Full Text CA-93-022 NATIONAL DES EDUCATIONAL PROGRAM FOR HEALTH PROFESSIONALS AND THE PUBLIC NIH Guide, Volume 22, Number 15, April 16, 1993 RFA: CA-93-022 P.T. 34 Keywords: Cancer/Carcinogenesis Health and Safety Education Hormones National Cancer Institute National Institute of Child Health and Human Development Letter of Intent Receipt Date: May 7, 1993 Application Receipt Date: June 16, 1993 PURPOSE The Public Health Applications Research Branch (PHARB), Division of Cancer Prevention and Control (DCPC), National Cancer Institute (NCI) and the National Institute of Child Health and Human Development (NICHD) invite cooperative agreement applications to support research and education to develop a National program to inform health professionals and the public on the adverse effects of the drug diethylstilbestrol (DES). Applicants are encouraged to design, implement, and evaluate health education strategies in their geographic regions for increasing health information and improving the early detection, diagnosis, and treatment for several medical conditions associated with exposure to DES. On October 9, 1992, the 102nd Congress of the United States of America passed an Act, HR4178, cited as the DES Education and Research Amendments of 1992 stating that the Director of NIH shall establish a program for the conduct and support of research and training, the dissemination of health information, and other programs with respect to the diagnosis and treatment of conditions associated with exposure to the drug diethylstilbestrol. In carrying out this program, the Director of NIH, after consultation with nonprofit private entities representing individuals who have been exposed to DES, shall conduct or support programs to educate health professionals and the public on the drug, including the importance of identifying and treating individuals who have been exposed to the drug. The proposed DES educational projects should focus on the development, implementation, and evaluation of interventions aimed at DES exposed mothers, daughters and sons, and grandchildren. In addition, DES educational programs should be designed for health care professionals, including primary care physicians, oncologists, pediatricians, nurses, nurse practitioners, and other relevant allied health personnel. HEALTHY PEOPLE 2000 The Public Health Service (PHS) is committed to achieving the health promotion and disease prevention objectives of "Healthy People 2000," a PHS-led national activity for setting priority areas. This Request for Applications (RFA), National DES Educational Program for Health Professionals and the Public, is related to the priority area of cancer. Potential applicants may obtain a copy of "Healthy People 2000" (Full Report: Stock No. 017-001-00474-0 or Summary Report: Stock No. 017-001-00473-1) through the Superintendent of Documents, Government Printing Office, Washington, DC 20402-9325 (telephone: 202-783-3238). ELIGIBILITY REQUIREMENTS Applications may be submitted by domestic non-profit and for-profit organizations, public and private, such as universities, public health departments, hospitals, voluntary organizations, units of state and local governments, and eligible agencies of the Federal government. Applications from minority and women investigators are encouraged. Investigators should be capable of assembling a multidisciplinary team including health education specialists responsible for DES public education interventions, trained medical personnel knowledgeable in DES-associated health risks for professional education interventions, and associated statisticians, research designers, communication specialists, etc., for the successful implementation and reporting of a full-scale research project. Applications must contain a health professional intervention and a DES-exposed population intervention. MECHANISM OF SUPPORT Support for this program will be through the NIH cooperative agreement (U01). The cooperative agreement is an assistance mechanism in which substantial NCI and NICHD programmatic involvement with the recipients during performance of the planned activity is anticipated. The nature of NCI staff involvement is described in the SPECIAL REQUIREMENTS section below. Awardees will be responsible for the planning, direction, and execution of the proposed project. The total project period for applications submitted in response to the present RFA may not exceed three years. Except as otherwise stated in this RFA, awards will be administered under PHS grants policy as stated in the PHS Grants Policy Statement, DHHS publication No. (OASH) 90-50,000 (rev. 10/01/90). It is anticipated that the average direct costs for each award will be approximately $165,000 per year. This is a one-time solicitation. Future unsolicited competing continuation applications will compete with investigator-initiated applications and will be reviewed according to customary NIH peer review procedures. The anticipated start date for the initial awards will be September 30, 1993. FUNDS AVAILABLE It is anticipated that up to five awards will be made under this RFA, and that the total NCI expenditures for these awards will not exceed $1.5 million (total costs) for the first year. In years two and three, NICHD will contribute an additional $250,000 per year. Thus, a total commitment of $5 million for the entire project period is anticipated. The project period for studies funded through this RFA may not exceed three years. This level of support is dependent on the receipt of a sufficient number of applications of high scientific merit. However, an attempt will be made to achieve funding for the number of awards noted. Although this RFA is provided for in the financial plans of the NCI and the NICHD, awards are contingent on the availability of funds. RESEARCH OBJECTIVES The following partial review of studies on the medical conditions associated with DES exposure is provided as background. These studies are limited in many cases by small sample sizes of cases, incomplete follow-up, the lack of recent investigations, and the tendency for women to delay pregnancy. Cancer Risks DES Mothers. A technical review of studies assessing the risk of breast cancer in mothers prescribed DES during pregnancy was undertaken by the 1985 DHHS DES Task Force (DES Task Force Report, 1985); four studies were reviewed in detail (Beral & Colwell, 1980; Vessey et al, 1983; Hadjimichael et al, 1984; Greenberg et al, 1984). At this time the weight of data was felt to support an increased risk of breast cancer among exposed mothers. With more than 30 years follow-up, the increased risk for breast cancer among DES-exposed mothers has persisted; the adjusted relative risk of 1.35 (95% confidence interval [CI]=1.05-1.74) for exposed women compared with the unexposed (NIH Workshop, 1992). DES Daughters. The link between in utero DES exposure and clear cell vaginal and cervical cancer was first published in 1972 (Herbst et al, 1972). The risk of developing clear cell adenocarcinoma of the vagina and cervix is approximately 1 in 1,000 from birth through age 34 among women exposed to DES in utero (Melnich et al, 1987); the risk of vaginal adenocarcinoma increases rapidly from the onset of puberty until the late teens and early twenties. Subsequently, this risk appears to drop, although cases continue to be reported in women into their forties (Herbst & Anderson, 1990). A worldwide registry of clear cell cases, located at the University of Chicago, was established in 1971. The registry has documented 589 cases of clear cell adenocarcinoma since 1971, but the acquisition of information has been limited by passive reporting (Herbst, 1991). A recent incidence study in Connecticut demonstrated that (1) previously estimated incidence rates for clear cell adenocarcinoma were low, and as many as half of incident cases were not correctly reported to the local cancer registry; and (2) incidence rates for clear cell adenocarcinoma have not declined but have been stable since 1975. This emphasizes the need for continued clinical and epidemiological studies of the etiology and clinical course of clear cell adenocarcinoma (Horowitz et al, 1988). An increased frequency of vaginal adenosis and/or squamous metaplasia has also been reported in these women (Robboy et al, 1981; Helmerhorst et al, 1989). Robboy et al (1979) reported finding vaginal adenosis and/or squamous metaplasia in 34 percent of DESAD participants identified through medical record review. These pathologic changes were more common in women exposed to high DES doses and in those with early gestational exposure. However, the risk of dysplasia and progression to squamous cell carcinoma of the cervix and vagina associated with DES exposure in utero requires more investigation. While initial data seemed to indicate no relationship (O'Brien et al, 1979; Robboy et al, 1979; Robboy et al, 1981), a more recent study from the DESAD project indicated a twofold risk of dysplasia and squamous cell carcinoma in situ of the cervix and vagina among the DES daughters (Robboy et al, 1984), and a case of invasive squamous cell carcinoma of the vagina in a woman exposed in utero to DES has recently been reported (Faber, Jones & Tarraza, 1990). Most DES-exposed daughters are now in their early forties. Thus, these women are just entering the at-risk age for many hormonally related tumors (e.g., cancers of the breast, ovary, and endometrium). Increased cancer risk for these sites among DES-exposed daughters has not been documented. Continued investigations will determine whether the risk of vaginal clear cell adenocarcinoma will increase as exposed daughters approach the age at which this cancer normally occurs in the unexposed population. A pattern of late recurrences, 8-17 years after original cancer, has been recently reported (Herbst, 1992). In addition, several complications have been reported among women treated for clear cell adenocarcinoma of the vagina or cervix, including vaginal and cervical stenosis, ulceration, necrosis, cystitis, hematometra, and lymphedema. These findings have led to the need to reassess radical surgery, to minimize chronic morbidity and to conserve function of the bladder, rectum, and vagina (Wharton, 1992). DES Sons. The association between in utero DES exposure and the development of testicular cancer remains controversial. While several cases of testicular cancer have been reported in DES-exposed men (Gill et al, 1979; Conley et al, 1983; Vessey et al, 1983), subsequent case-control studies have failed to show a significant association (Schottenfeld et al, 1980; Brown, Pottern & Hoover, 1986; Moss et al, 1986; Gershman & Stolley, 1988). While an association between DES exposure and testicular cancer comparable to that which exists for vaginal clear cell cancer appears unlikely, the small number of cases studied may preclude the detection of a low to moderate increase in relative risk associated with in utero exposure. No other increased cancer risk has been observed in exposed males. The recently funded follow-up studies will determine whether the risk of testicular and prostate cancer will increase as exposed sons approach the age at which these cancers normally occur in the unexposed population. Reproductive Risks DES Daughters. DES exposure in utero has long been associated with abnormalities of the male and female reproductive tract. Among DESAD participants at the Baylor College of Medicine identified through medical record review, 50/282 (18 percent) were found to have gross anatomical changes of the cervix (e.g., absent pars vaginalis, coxcomb, hypoplastic cervix collar, or pseudopolyp) (Kaufman & Adam, 1978). Among DESAD participants originally identified by record review at Baylor and the Mayo Clinic, and recruited for a fertility study, 154/293 (53 percent) were found to have abnormal hysterosalpingography. Abnormalities observed included T-shaped and hypoplastic uteri, constriction of the upper, middle, or cornual regions, and irregular uterine margins (Kaufman et al, 1986). While an early study suggested decreased fertility among DES daughters (Bibbo et al, 1977), this observation was not confirmed in the DESAD cohort (Barnes, et al, 1980) where exposed and unexposed daughters were found to be comparable in the number achieving pregnancy, the number of pregnancies, and age at first pregnancy. Individuals exposed prenatally to DES are at increased risk for poor pregnancy outcome (Rosenfeld & Bronson, 1980; Stillman, 1982; DeCherney & Naftolin, 1988). This risk is better documented for females than it is for males. Congenital abnormalities of the uterine cavity can be demonstrated in 35-69 percent of women who were exposed to DES in utero, (vanGils, et al., 1989). These structural abnormalities are associated with an increased risk of ectopic pregnancy, miscarriage, and pre-term birth. Overall, 4.4 percent of pregnancies in DES-exposed women resulted in ectopic pregnancy compared with 0.5 percent among control women (Barnes, 1980; Cousins, 1980; Herbst, 1980, 1981; Kaufman, 1980; Liberman, 1988; Mangan, 1982). Spontaneous abortion occurred in 23 percent of DES-exposed women compared with 13 percent of control women. Virtually all of the available studies have demonstrated a tendency toward premature labor with a corresponding increased incidence of perinatal morbidity and mortality (Barnes, et al, 1980; Berger & Goldstein, 1980). In addition, it appears that implantation and pregnancy outcome are impaired in DES-exposed women after IVF (Jones, 1990). DES Sons. The effects on in utero DES exposure on the male urogenital system include epididymal cysts, hypoplastic testis, and cryptorchidism (Gill et al, 1979; Driscoll, & Taylor, 1980; Leary et al, 1984). Studies reviewing sperm abnormalities and infertility have been inconsistent (Andonian & Kessler, 1979; Gill et al, 1979; Beral & Colwell, 1981; Stenchever et al, 1981; Whitehead & Leiter, 1981). Although the effects on fertility among DES-exposed males are not well defined, urologists and infertility specialists should be aware of the need to ascertain whether the patient has a history of DES exposure. Other Risks Animal studies have demonstrated altered T and B cell function in mice following perinatal exposure to DES. This has resulted in speculation that prenatal exposure to DES may have immune sequelae. Few human studies have been done. Two small studies have shown altered T cell and natural killer cell function in women exposed in utero to DES (Ways et al, 1987; Ford, Johnson & Smith, 1983). In review of data from the DESAD cohort, Noller and colleagues (1988) observed an increased reporting of lifetime history of autoimmune diseases among record-reviewed in utero DES-exposed cases compared with unexposed controls. While numbers in the subgroup analyses were small, a lifetime history of Hashimoto's thyroiditis was reported significantly more often among the DES-exposed than among controls. Eating disorders have also been reported more commonly among DES-exposed (Gustavson et al, 1991). Animal models have, however, suggested a potential effect of in utero exposure to DES on the development of the human musculoskeletal system and in psychosexual development. These are active areas of human research. Need for Education of Health Professionals Given the numerous debilitating and life threatening conditions that research indicates are associated with exposure to DES, it is of grave concern that only half of these exposed individuals may even be aware of their exposure and possible need for increased surveillance (Wingard,1993). One of the reasons for this lack of awareness is that DES was prescribed under different names, and that DES was prescribed in many different forms, i.e., pills, shots, suppositories and mixed with vitamins. It is not certain whether physicians contacted all of their DES-exposed clients. In some cases records were lost. Other patients had changed their names or moved. Some physicians did not contact their patients because they did not believe the early evidence that DES could be harmful, or they were concerned about liability. Most lawsuits, however, have been against the drug companies, not physicians (Wingard, 1993). Another area of concern is that many health professionals are unaware of the complications of DES exposure. This may reflect their failure to keep up with the medical literature, a reluctance to consider iatrogenic effects of treatment, or fears of liability. This is compounded by the slowness or failure of science to identify the best treatment for DES-associated conditions, or to determine whether standard health care practices (for example, oral contraceptive use or postmenopausal estrogen replacement) are appropriate for the DES-exposed. Finally, there is the ongoing concern that insurance companies will fail to cover the increased medical costs of DES-exposed individuals and that drug companies will not be held accountable for the effects of their product (Wingard, 1993). Medical care for the DES-exposed needs improvement in three major areas; screening,education of health professionals and availability of appropriate treatment information. Given that only half of all DES-exposed individuals are aware of their exposure, better DES screening needs to be instituted. Since most physicians who prescribed DES between 1941 and 1971 may be retired, one cannot rely on physician efforts to contact former patients. However, all active health professionals should be encouraged to include questions on personal and maternal use of DES in their medical history taking, including indications for such use (i.e. history of or threatened miscarriage). This information should be collected on all persons born after 1941 and all women who were of childbearing age between 1941 and 1971 (Wingard, 1993). The geographic pattern of DES administration is important to consider in determining the educational needs of physicians. Heavy concentrations of DES administration were found in the Boston, New York, Detroit, Los Angeles, Chicago SMSAs, etc. Physicians in some areas ceased administration of DES before November of 1991 when it was taken off the market for the treatment of miscarriages. Other physicians continue to prescribe DES until this date. Thus some DES-exposed daughters and sons in their 20's are only now appearing with DES-associated medical conditions. Educational efforts for physicians need to stress the fact that new cases of clear cell carcinoadinoma may be appearing now, in addition to recurrent clear cell cases. Physicians, particularly urologists, need to be alerted to potential problems in their younger male patients, alerting them to the fact that new cases of DES-associated medical conditions may be occurring. In addition older men should be examined for other cancer related conditions. Identifying the DES-exposed is only the first step in improving medical care for this population. Health professionals need to be educated about the known problems associated with DES exposure. This information should be updated on a regular basis as new medical findings become published. Known information gaps include misunderstandings about the upper age limit for the development of vaginal clear cell carcinoma and whether DES-exposed women should use oral contraceptives or postmenopausal estrogens. Ongoing education is needed as well in medical schools, nursing schools, and continuing medical education courses. This education could include information on medical risk of several conditions as well as appropriate treatment and care for the DES exposed. Physicians treating DES cancer patients need to have standardized treatments and procedures incorporated into patient care. Once standards for care are developed, then currently existing physician data bases, such as the NCI funded Physician Data Query system, can be used to disseminate the standards to physicians treating DES cancer patients. Since the presence of vaginal clear cell cancer leads to isolation and psychosocial distress in many patients, physicians, nurses, and other health care professionals need to integrate quality of life concerns into total patient care. Knowledge and referral to community sources of social support for DES cancer patients should be an integral part of health care, along with treatment of the entire DES affected family. These efforts should be designed to improve the sensitivity of health professionals to the psychosocial concerns of DES-exposed families. Specific attention should be paid to the encouragement and compliance of health professionals and their patients with public health recommendations for the DES-exposed women related to breast cancer screening, vaginal and cervical cancer screening (pelvic examinations, pap smears, and colposcopies). For DES-exposed men, testicular self-examination, and colorectal and prostate screening are recommended (Public Health Recommendations, 1992). Because women prenatally exposed to DES are at increased risk for infertility and poor pregnancy outcome, respondents to this RFA need to include reproductive issues in any health education materials developed. The message to these women may stress the importance of pre-conception counseling and early entry into and continued participation in prenatal care in order to increase the probability of their delivering full-term, healthy babies. Likewise, information about these risks and the need for careful pregnancy monitoring should be conveyed to obstetricians, gynecologists, family practitioners, and other health care professionals involved in providing family planning, gynecological, or obstetrical services to DES-exposed women and their daughters. Since many of the women who were prenatally exposed to DES are themselves now parents of children approaching puberty or childbearing age, messages should be developed for pediatricians, family practitioners, and other health professionals urging them to ascertain if there is a history of DES-exposure in children seeking care for abnormalities in onset of puberty or gynecological concerns. For those patients for whom a positive history of DES-exposure in their mothers is known, appropriate screening or surveillance should be followed. A wide variety of educational materials are needed for health professionals including an updated Atlas of Findings for persons exposed to DES, publications on health risks, clear cell cancer, psychological concerns, quarterly bulletins on DES research and clear cell cancer, and videotapes and conferences for health professionals on the subject (Renick and Sherman, 1993). Updated materials are also needed for pathologists, cytopathologists, cytologists, and cytotechnologists since there are only a handful of specialists familiar with the procedures for identifying and typing tissue from DES-associated cancer conditions. Need for Education of the DES-Exposed The history of DES education is primarily that of independent, nonprofit consumer groups carrying out efforts to disseminate information and provide support to DES-exposed public and health professionals. The DES Action and DES Cancer Network have been the only organizations consistently carrying out formal programs of education (Braun, 1993). Although the Massachusetts Cancer Information Service launched a successful public and professional educational campaign in 1982 and 1984, attention to the problem has waned in recent years (Mazan, 1992; Haynes, 1992). Currently, three sources of information on DES exposure are available; information booklets and lecture materials from the two DES consumer groups and information sheets from the National Cancer Institute, Office of Cancer Communications. More effort is needed to expand these important efforts and to reach the DES-exposed public through a wide variety of efforts. Based upon the thousands of calls from DES mothers, daughters, and sons, there is enormous frustration from these individuals of not being able to find the simplest information about DES and in many cases knowing more about DES than their doctors (Braun, 1993). Their concerns appear to be minimized or ignored. The unavailability of adequate information on screening protocols for DES and treatment recommendations leads to anxiety and psychological stress. The current crisis of information on the medical effects of DES must be corrected. There must be close coordination between research and education so that the most current research knowledge is included in the educational initiatives targeting the DES-exposed and health care providers. For DES cancer populations, there are special needs to increase knowledge on the whole range of DES cancer effects, treatment options, and outcomes. Support groups for DES-exposed cancer populations are encouraged to create an environment where patient concerns can be validated, physician referrals can be facilitated, and new medical information can be shared. Promotion of recommended early detection guidelines for breast cancer, cervical cancer, and the like is needed for all DES-exposed mothers and daughters, and for testicular, prostate, and colorectal screening for DES-exposed sons. The following topics are considered priority for health information to be developed for the DES-exposed public: reproductive problems of daughters and sons; breast cancer risk for DES-exposed mothers; cancer risks for DES-exposed daughters; and other known health risks for DES-exposed daughters and sons. As new scientific information becomes available, health information must also be developed for the DES-exposed public on clear cell adenocarcinoma recurrence, treatment, and follow-up and rehabilitation; use of oral contraceptives and hormone replacement therapy in DES-exposed mothers and daughters; future reproductive tract abnormalities or dysfunction as DES-exposed daughters and sons age (Cody, 1992); and immune system disorders among DES-exposed offspring. At the current time, a wide spectrum of educational materials are thought to be needed for the DES general public, including pamphlets on DES Health Risks, Clear Cell Cancer, DES Exposure, Fertility and Pregnancy, etc.(Renick and Sherman,1993). In addition, an 800 hotline and physician resource directory can be considered. The creation of a national DES education program would include production of a wide range of materials, written and electronic. Awardees will be expected to participate actively in the development of a National DES Educational Program whose objectives are to: 1. Document the barriers and test strategies to improve the appropriate identification, diagnosis, and treatment of DES-associated medical conditions among primary care physicians, oncologists, urologists, other health professionals, and DES-exposed target populations in defined geographic areas. 2. Design, implement, and evaluate the DES Educational Program in several regions of the U.S., to increase health information about DES exposure and to improve the early detection, diagnosis, and treatment of several medical conditions associated with DES exposure for the relevant target populations. 3. Participate in a working group of medical experts and consumer representatives to present papers, for publication in a peer-reviewed journal, on standards for diagnosis and treatment of DES related medical conditions related to vaginal and cervical cancer, breast cancer, reproductive problems and issues, infertility, congenital malformations, and developmental abnormalities. For the purpose of this RFA, primary care physicians are defined as family practitioners, internal medicine physicians, obstetricians and gynecologists, and pediatricians. Health professionals include physicians as well as nurse practitioners, physician assistants, nurses, allied health personnel. The DES target populations include DES-exposed mothers, daughters, and sons. Grandchildren may also be included as a target population for the physician education programs. Program Implementation The goal of this RFA for cooperative agreement is to access as many DES-exposed families and their health care providers as possible. With this goal in mind, interventions should target large, geographically defined populations with significant numbers of DES-exposed families. Applicants will be selected for funding based primarily on their technical merit. However, an attempt will be made to achieve a balanced geographic distribution of the three to four awards funded under this RFA to access the broadest coverage of the DES-exposed population in the U.S. Investigators will be required to document that they have access to and can recruit the targeted population of DES-exposed persons and their health care providers. Access to DES-exposed persons can be obtained through a number of channels, such as, DES consumer organizations and support groups, DES registries, infertility clinics, family planning clinics, hotlines, cancer centers, physician's offices, cancer support groups, health departments, hospitals, etc. Access to DES health care providers can be obtained through medical intermediary organizations. A medical or nursing intermediary organization is defined as an organization employing, reimbursing, training, licensing, and/or certifying physicians or nursing professionals, or an established health professional association. Examples include ACOG, AAFP, ANA, AHA, etc. It is of crucial importance that state-of-the-art knowledge about the detection, diagnosis, and treatment of DES associated conditions be established by a working group of medical experts and consumer representatives. The working group will be convened by NCI during the first year of the award, so that recommendations for the DES-exposed and their health care providers can be designed and disseminated during the subsequent two years. Applicants will participate in the meeting. Applicants are encouraged to propose interventions that build creatively upon the existing research base on DES, on successful physician/office based education, and on community based health education programs for women and their families. Applicants may design separate but complementary interventions for DES-exposed target populations and the health care providers who treat these families. Health professional and community targeted intervention approaches used in the areas of child health, breast cancer screening, information hotlines, reproductive health, and the like may be appropriate for this program. Experiences from state or local DES educational projects can be used to justify the approaches taken to reach DES-exposed families and their health care providers. Considerable attention should be given to innovative approaches for reaching the DES-exposed who are currently unaware of their exposure status. In addition, interventions previously demonstrated to be efficacious in changing health professionals' behavior (e.g., training, practice consultation, hospital grand rounds, incentives and reimbursements, visual chart reminders, articles in professional journals, presentations at professional conferences, patient education, and the addition of DES queries into health history and patient intake forms) may be considered. Since there are a significant number of medical specialties responsible for the detection, diagnosis, and treatment of DES-associated medical conditions, the use of medical intermediary organizations are crucial for the education of health care providers currently in practice. Primary care physicians, oncologists, pediatricians, and other health professionals can be the focal point for the provider education program. Barriers that may prevent full participation of health professionals in the educational program should be addressed by the intervention to increase participation. These barriers may include liability concerns,psychosocial stress of patients, unfamiliar state-of-the-art treatments, lack of knowledge about DES support groups, unaware of any DES-exposed patients, etc. Some persons who are DES-exposed may not have established sources for health care. In these cases, special attention should be given to expediting their access to early detection, diagnosis, or treatment services. No funds in the award are to be used to offset the cost of detection, diagnosis, or treatment. However, award funds can be used to stimulate plans for lowering costs. Comparison of interventions using different innovative strategies is encouraged, including the effectiveness of different intervention channels. A comparison group may be proposed as a means of evaluating the impact of a particular intervention strategy. Comparison populations could receive a standard, less intensive, intervention rather than no intervention due to ethical considerations inherent in the health information gap among DES-exposed and their health care provider. Applicants may wish to consider testing multiple interventions, striking the balances between two factors: low intensity, low cost intervention and a higher-intensity, higher-cost intervention. Randomization of the target populations to intervention and comparison groups is the preferred design, although other well justified designs will be considered. If possible a common low intensity intervention could be used in each geographic area for the comparison populations. This will be decided by collaborative agreement between the NCI Program Director and the Principal Investigators. High priority will be given to research designs that ensure continuation of the intervention beyond the funded period. This includes the establishment of an infrastructure that can continue to inform the DES-exposed public and their health care providers with new medical findings as they become available. Applicants should include a description of the resources and facilities that will enable their project to continue the educational program after the funding period is over. Project Evaluation Before interventions are developed, gaps in health information about DES among health care providers and the public should be assessed using standard survey methodology. Documentation of barriers to the appropriate identification, diagnosis, and treatment of DES-associated medical conditions should be made for both the DES-exposed target populations and their relevant health care providers. An evaluation of the effectiveness of the educational interventions can be undertaken by the applicant organization or by subcontractors to the applicant organization. During the baseline period, before any educational intervention is undertaken, survey or medical audit data should permit an assessment of barriers. Comparable survey or medical audit data should be collected at the end of the intervention period. SPECIAL REQUIREMENTS Terms and Conditions of Award The National DES Education Program will be viewed as a partnership between the NCI, the NICHD, and the several participating institutions, with the goal of gaining understanding of this DES-associated medical problem. Awardees will be responsible for the planning, direction, and execution of the proposed project. Nature of Participation of NIH Staff The Program Director will be the Chief, Health Education Section, Public Health Applications Research Branch, CCSP, DCPC, NCI, or assignee. The NICHD representative will be the Chief, Office of Research Reporting, or assignee. The NCI Program Director and NICHD representative will: o Participate in the Steering Committee that oversees study conduct; o Assist in the development of educational materials and the evaluation instrument; o Serve as liaison, helping to coordinate activities among the awardees; o Assist in the preparation of questionnaires, medical record abstracts, and other data recording forms; o Assist in the monitoring of field data collection, helping to ensure standardization in evaluation methods across study centers; o Assist in the analysis of the pooled data; o Assist in the interpretation and reporting of the collected information; o Approve all key personnel recruitment and changes during the project period. Key personnel are the Principal Investigator and principal project staff who will be identified in the Notice of Grant Award; o Provide the awardee with specialized technical assistance essential to the development and testing of program communication messages and materials. These will be common across all four sites; o Monitor study progress. This may include periodic site visits for discussions with awardee research teams, observation of field data collection and management techniques, fiscal review, and other matters. Decisions for continued funding will be based on overall study progress, as well as sufficient patient and/or data accrual, cooperation in carrying out the research (i.e., attendance at Steering Committee meetings, implementation of group decisions, compliance with reporting requirements), and maintenance of a high quality of research that will allow pooling of data and comparisons across Cooperative Agreements for common data elements. The inability of a cooperative agreement recipient to meet the performance requirements, or significant changes in the level of performance, may result in an adjustment of funding, withholding of support, suspension or termination of the award; o Provide linkages with other NIH programs and grants that are involved in educational outreach activities, such as the NCI Cancer Information Service, the Physician Data Query Network, and the DES follow-up cohort studies; Nature of Participation of Cooperative Agreement Recipients The recipients of Cooperative Agreement awards will cooperate with each other with the assistance of the NCI and the NICHD in the conduct of this research. Each awardee will: o Designate the Principal Investigator or assignee to participate in the Steering Committee to oversee conduct of this study. This committee will meet periodically during the course of the study. The first meeting will be called by the NCI Program Director shortly after award of agreements. Subsequent meetings will be planned and scheduled at this meeting; o Cooperate in the development of educational materials and evaluation strategies. The study documents may include questionnaires, medical record abstract forms and field procedures manuals. Additional elements could be appended by individual institutions to address issues of unique interest or capabilities in each center; o Organize a working group of medical experts and consumer representatives during year 1 to develop recommendations for the detection, diagnosis, and treatment of DES-associated medical conditions; o Establish and maintain quality control in all data and materials collection and management procedures. Strategies for the analyses of the pooled data will be developed jointly by the awardees, and the NCI Program Director and the NICHD representative; o Submit semi-annual progress reports to the NCI Program Director; o Cooperate in the reporting of the study findings. Collaborative publications among awardees, the NCI, and the NICHD are anticipated, with plans for joint publication of pooled data to be coordinated by the Steering Committee prior to the end of year two of the award. Copies of reports, publications, and major presentations are to be provided to the NCI Program Director. o The NCI Program Director and the NICHD representative will have rights of access to the data and program materials under this cooperative agreement. The awardees will retain custody and primary rights to the data consistent with current HHS, PHS and NIH policies. Other A Steering Committee will be the main oversight body of the study and will be composed of the Principal Investigators or assignees from the awardee institutions, the NCI Program Director or assignee, and an NICHD ex officio representative. The Committee likely will meet three times the first year and approximately twice yearly thereafter in the Washington, DC area. Major scientific decisions regarding the core data will be determined by the Steering Committee. All investigators selected will need to be able and willing to implement the core data collection method and educational strategy collaboratively decided upon by the Steering Committee. Additionally, the investigators must be able to implement the strategy specifically designed for their study population. An organizational meeting of the Steering Committee will be convened early after award by the NCI Program Director to design the educational intervention and evaluation instruments. A Chairperson, other than the NCI Program Director or NICHD representative, will be selected by a vote of the members. Research results will be disseminated by means of peer-reviewed publications that will be planned and prepared by award recipients, with assistance as needed from NCI and NICHD program staff. Arbitration Procedures In the event of a major scientific/programmatic disagreement between NCI, NICHD, and the awardees that cannot be resolved by appropriate negotiations, an ad hoc arbitration panel will be assembled to consist of one awardee nominee, one NIH nominee, and a third member with appropriate expertise chosen by the other two. This NIH arbitration process in no way affects the awardees' right to appeal an adverse determination under the terms of 42 CFR Part 50, Subpart D, and 45 CFR Part 16. STUDY POPULATIONS SPECIAL INSTRUCTIONS TO APPLICANTS REGARDING IMPLEMENTATION OF NIH POLICIES CONCERNING INCLUSION OF WOMEN AND MINORITIES IN CLINICAL RESEARCH STUDY POPULATIONS NIH policy is that applicants for NIH clinical research grants and cooperative agreements will be required to include minorities and women in study populations so that research findings can be of benefit to all people at risk of the disease, disorder, or condition under study. Special emphasis should be placed on the need for inclusion of minorities in studies of diseases that disproportionately affect them. This policy is intended to apply to males and females of all ages. If women or minorities are excluded or inadequately represented in clinical research, particularly in proposed population-based studies, a clear and compelling rationale should be provided. The composition of the proposed study population must be described in terms of gender and racial or ethnic group. In addition, gender and racial or ethnic issues should be addressed in developing a research design and sample size appropriate for the scientific objectives of the study. This information must be included on grant application form PHS 398 (rev.9/91) in Sections 1-4 of the Research Plan AND summarized in Section 5 (Human Subjects). Applicants are urged to carefully assess the feasibility of including the broadest possible representation of minority groups. However, NIH recognizes that it may not be feasible or appropriate in all research projects to include representation of the full array of United States racial or ethnic minority populations (i.e., Native Americans [including American Indians or Alaskan Natives], Asian/Pacific Islanders, Blacks, Hispanics). The rationale for studies on single minority population groups should be provided. For the purpose of this policy, clinical research includes human biomedical and behavioral studies or etiology, epidemiology, prevention (and preventive strategies), diagnosis, or treatment of diseases, disorders or conditions, including but not limited to clinical trials. The usual NIH policies concerning research on human subjects also apply. Basic research or clinical studies in which human tissues cannot be identified or linked to individuals are excluded. However, every effort should be made to include human tissues from women and racial/ethnic minorities to enable results of the study to be applied broadly. If the required information is not contained within the application, the application will be returned. Peer reviewers will specifically address whether the research plan in the application conforms to these policies. If the representation of women or minorities in a study design is inadequate to answer the scientific question(s) addressed AND the justification for the selected study population is inadequate, it will be considered a scientific weakness or deficiency in the study design and will be reflected in assigning a priority score to the application. All applications for clinical research submitted to NIH are required to address these policies. NIH funding components will not award grants that do not comply with these policies. LETTER OF INTENT Prospective applicants are requested to submit, by May 7, 1993, a letter of intent that includes a descriptive title of the proposed research, the name, address, and telephone number of the Principal Investigator, the identities of other key personnel and participating institutions, and the number and title of this RFA. Although a letter of intent is not required, is not binding, and does not enter into the review of the subsequent application, the information that it contains is helpful in planning for the review of applications. It allows NCI staff to estimate the potential review workload, and helps to avoid conflict of interest among reviewers. The letter of intent is to be sent to Dr. Suzanne G. Haynes at the address listed under INQUIRIES. APPLICATION PROCEDURES The research grant application form PHS 398 (rev. 9/91) is to be used in applying to this RFA. These forms are available at most institutional offices of sponsored research and may be obtained from the Office of Grant Inquires, Division of Research Grants, National Institutes of Health, Westwood Building, Room 449, Bethesda, MD 20892, telephone 301/710-0267. The RFA label available in the PHS 398 application kit must be affixed to the bottom of the face page of the application. Omission of this label could result in delayed processing of the application and its failure to reach the review committee in time for review. In addition, the number and title of this RFA must be typed on Line 2a on the face page of the application, and the YES box must be marked. Respondents must request sufficient travel funds within the submitted budgets to accommodate expenses for two to three participants at these meetings. A signed, typewritten original of the application, including the Checklist, and three signed copies must be sent or delivered in one package to: Division of Research Grants National Institutes of Health Westwood Building, Room 240 Bethesda, MD 20892** At the time of submission, two additional copies of the application must also be sent to: Ms. Toby Friedberg Division of Extramural Activities National Cancer Institute Executive Plaza North, Room 626 Bethesda, MD 20892 Applications must be received by June 16, 1993. An application received after that will be returned to the sender. The Division of Research Grants (DRG) will not accept any application in response to this RFA that is essentially the same as one currently pending initial review, unless the applicant withdraws the pending application. The DRG will not accept any application that is essentially the same as one already reviewed. This does not preclude the submission of substantial revisions of applications already reviewed, but such applications must include an introduction addressing the previous critique. REVIEW CONSIDERATIONS Upon receipt, applications will be reviewed by the NCI and the NICHD staff for completeness and responsiveness. Incomplete applications will be returned to the sender without further consideration. If the application is not responsive to the RFA, NCI staff return the application to the applicant. Applications may undergo triage by an NCI peer review group on the basis of relative competitiveness. The NCI will withdraw from further competition those applications judged to be non- competitive for award and notify the application's Principal Investigator and institutional official. Those applications that are judged to be complete and responsive will be evaluated in accordance with the criteria stated below for scientific or technical merit by an appropriate peer review group convened by the NIH. The second level of review will be provided by the National Cancer Advisory Board and the National Advisory Child Health and Human Development Council. The applications will be evaluated on the basis of the following criteria: 1. Extent to which the overall goals and objectives of the RFA are addressed by the applicant; 2. Scientific merit of the research design and intervention approach: o Soundness of the rationale for the choice of interventions, target populations (mothers, daughters, sons, health professionals) and approaches, o Quality and rigor of outcome evaluation designs, o Quality of methods for identifying DES-exposed persons, particularly those unaware of their exposure; 3. Feasibility of interventions chosen and commitment of intervention communities/health professional organizations: o Feasibility of the proposed interventions, o Commitment of communities/health professional organizations with adequate sample sizes to attain the proposed statistical power, o Extent of interaction with nonprofit DES groups involved in the planning and implementation of interventions, o Adequacy of plans for building capacity within the community, o Transferability of the interventions to other geographic areas; 4. Qualifications and time commitment of the proposed research team: o Qualifications and competence of the proposed research team for the intervention components chosen, o Demonstrated previous relevant experience of the research team in DES health education, physician interventions, community interventions, and the like, o Adequacy of time commitments of key personnel, o Adequacy of the plans to cooperate with other awardees with NCI's assistance; 5. Adequacy of resources and facilities: o Adequacy of well-described target populations (demographics, data on DES-exposed populations in geographic area, health education programs available for the DES-exposed in geographic area), o Adequacy of resources available to implement the interventions including personnel, equipment, and data processing capacity, o Adequacy of data management and data quality control, o Adequacy of the capacity of the lead organization for managing the project; o Inclusion of minority subjects. The review group will also critically examine the submitted budget and will recommend an appropriate budget and period of support for each approved application. AWARD CRITERIA The anticipated date of award is September 30, 1993. Availability of funds, geographic distribution of awards, characteristics of study populations, and other programmatic priorities are important criteria in making grant awards. INQUIRIES The NCI Program Director and the NICHD representative welcome the opportunity to clarify any issues or questions from potential applicants. Written and telephone inquiries concerning the objectives and scope of this RFA, whether or not specific proposed research is responsive, the scientific content and objectives of an application, the size and focus of a research program, and the organization of an application, are strongly encouraged and may be directed to: Suzanne G. Haynes, Ph.D. Health Education Section National Cancer Institute Executive Plaza North, Room 218 Bethesda, MD 20892 Telephone: (301) 496-8577 Michaela P. Richardson Office of Research Reporting National Institute of Child Health and Human Development Building 31, Room 2A32 Bethesda, MD 20892 Telephone: (301) 496-5133 Requests for information on NCI fiscal policies may be directed to: Eileen Natoli Grants Administration Branch National Cancer Institute Executive Plaza South, Room 242 Bethesda, MD 20892 Telephone: (301) 496-7800, Ext 56 AUTHORITY AND REGULATIONS This program is described in the Catalog of Federal Domestic Assistance No. 93.399. Grants will be awarded under the authority of the Public Health Service Act, Title IV, Part A (Public Law 78-410, as amended by Public Law 99-158, 42 USC 241 and 285) and administered under PHS grants policies and Federal Regulations 42 CFR Part 52 and 45 CFR Parts 74 and 92. This program is not subject to the intergovernmental review requirements of Executive Order 12372 or Health Systems Agency review. REFERENCES Adonian RW, Kessler R: Transplacental exposure to diethylstilbestrol in men. Urology 13:276-279, 1979. Apfel RJ: Long-Term Emotional Effects of DES Exposure. NIH Workshop, Long-Terms Effects of Exposure to Diethylstilbestrol (DES). ORWH, NCI, NICHD, NIEHS, April 22-24, 1992:60-62. Barnes AB, Colton T, Gunderson J, Noller KL, Tilley BC, Strama T, Townsend DE, Hatab P, O'Brien PC: Fertility and outcome of pregnancy in women exposed in utero to diethylstilbestrol. N Engl J Med 302:609-613, 1980. Beral V, Colwell L: Randomized trial of high doses of stilboestrol and ethisterone therapy in pregnancy: long-term follow-up of the mothers. Br Med J 280:1098-1101, 1980. Beral V, Colwell L: Randomized trial of high doses of stilbestrol and ethisterone therapy in pregnancy: long-term follow-up of the children. J Epidemiol commun health 35:155-160, 1981. Berger MJ, Goldstein DP: Impaired reproductive performance in DES-exposed women. Obstet Gynecol 55:25-27, 1980. Bibbo M. Gill WB, Azizi F, Blough R, Fang VS, Rosenfield RL, Schumacher GFB, Sleeper DK, Sonek MG, Wied GL: Follow-up study of male and female offspring of DES-exposed mothers. Obstet Gynecol 49:1-8, 1977. Braun ML: Educational/Outreach Research and Implementation. DES Cancer Network. Personal Communication, 1993. Brown LM, Pottern LM, Hoover RN: Prenatal and perinatal risk factors for testicular cancer. Cancer Res 46:4812-4816, 1986. Cloitre M, Ernhardt NP, Meyer-Bahlbury V, and Meyer-Bahlburg HFL: The psychological impact of prenatal DES exposure in women: A comparison of short-term and long-term effects. J Psychosom Obstetrics and Gyn 8:149-168, 1988. Cody, N. DES Action. Personal Communication, 1992. Conley MD, Grannum R, Sant MD, Ucci AA, Mitcheson HD: Seminoma andepididymal cysts in a young man with known diethylstilbestrol exposure in utero. J Am Med Assoc 249:1325-1326, 1983. Cusins L, Karp W, Lacy C, Lucas WE: Reproductive outcome of women exposed to diethylstilbestrol in utero. Obstet Gynecol 56:70-76, 1980. DeCherney AH, Noftolin F: Diethylstilbestrol--Effect on fertility. In Behrman SJ, Kistner RW and Patton CW (eds). Progress in Infertility, 3rd edn. Little, Brown, and Co., Boston, pp. 227-236. Driscoll SG, Taylor SH: Effects of prenatal maternal estrogen on the male urogenital system. Obstet Gynecol 56:537-542, 1980. Ford CD, Johnson GH, Smith WG: Natural killer cells in in utero diethylstilbestrol-exposed patients. Gynecol Oncol 16:400-404, 1983. Gill WB, Schumacher GFB, Bibbo M, Straus FH II, Schoenberg HW: Association of diethylstilbestrol exposure in utero with cryptorchidism, testicular hypoplasia and semen abnormalities. J Urol 122:36-39, 1979. Greenberg ER, Barnes AB, Resseguie L, Barrett JA, Burnside S, Lanza LL, Neff RK, Stevens M, Young RH, Colton T: Breast cancer in mothers given diethylstilbestrol in pregnancy. N Engl J Med 311:1393-1398, 1984. Gustavson CR, Gustavson JC, Noller KL, O'Brien P KL, O'Brien P KL,, Melton LJ, Pumariega AJ, Kaufman RH, Colton T: Increased risk of profound weight loss among women exposed to diethylstilbestrol in utero. Behav Neural Biol 55:307-312, 1991. Hadjimichael OC, Meigs JW, Falcier FW, Thompson WB, Flannery JT: Cancer risk among women exposed to exogenous estrogens during pregnancy. J Natl Cancer Inst 73:831-834, 1984. Haynes SG: Demographic characteristics to the NCI Cancer Information Service, 1983-1990, NIH Workshop, Long-Terms Effects of Exoisure to Di(DES). ORWH, NCI, NICHD, NIEHS, April 22-24, 1992:56-58. Helmerhorst TJM, Wijnen HJA, Kenemans P, Tijoe GSTD, Dijkhuizen HH, Calame JJ, Stolk HG: Colposcopic findings and intraepithelial neoplasia in diethylstilbestrol-exposed offspring. The Dutch experience. Am J Obstet Gynecol 161:1191-1194, 1989. Herbst AL, Anderson D: Clear cell adenocarcinoma of the vagina and cervix secondary to intrauterine exposure to diethylstilbestrol. Semin Surg Oncol 6:343-346, 1990. Herbst AL, Kerman RJ, Scully RE, Poskanzer DC: Clear cell adenocarcinoma of the genital tract in young females. N Eng J Med 287:1259-1264, 1972. Herbst AL, Scully RE: Adenocarcinoma of the vagina in adolescence. A report of seven cases including six clear cell carcinomas (so-called mesonephromas). Cancer 25:745-757, 1970. Herbst AL, et al: A comparison of pregnancy experience in DES-exposed and DES0-unexposed daughters. J Reprod Med 24:62-69, 1980. Horowitz RI, Viscolli CM, Merino M, Brennan TA, Flannery JT, Bobbay SJ: Clear cell adenocarcinoma of the vagina and cervix: Incidence, undetected diseases, and DES. J Clin Epid 44:593-597, 1988. Jones HW, et al: Are implantation and pregnancy outcome impaired in diethylstilbestrol-exposed women after in vitro fertilization and embryo transfer? Fertility and Sterility 54:287-291, 1990. Kaufman RH, Adam E: Genital tract anomalies associated with in utero exposure to diethylstilbestrol. Israel J Med Sci 14:353-362, 1978. Kaufman RH, Adam E, Noller K, Irwin JF, Gray M: Upper genital tract changes and infertility in diethylstilbestrol-exposed women. Am J Obstet Gynecol 154:1312-1318, 1986. Kaufman RH, Adam E, Binder G, Gerthoffer E: Upper genital tract changes and pregnancy outcome in offspring exposed in utero to diethylstilbestrol. Am J Obstet Gynecol 137:299-308, 1980. Leary FJ, Ressenguie LJ, Kurland LT, O'Brien PC, Emslander RF, Noller KL: Males exposed in utero to diethylstilbestrol. J Am Med Assoc 252:2984-2989, 1984. Linn S, Lieberman E, et al: Adverse outcomes of pregnancy in women exposed to diethylstilbestrol in utero. J Reprod Med 33:3-7, 1988. Long-Term Health Effects of Exposure to DES--Background. Office of Cancer Communications, National Cancer Institute, August, 1992. Mangan EE, et al: Pregnancy outcome in 98 women exposed to diethylstilbestrol in utero, their mothers, and unexposed siblings. Obstet Gynecol 59:315-319, 1982. Mazan KD: The Role of Massachusettes Cancer Information Service in the Massachusetts DES Educational Program. NIH Workshop, Long-Terms Effects of Exoisure to Diethylstilbestrol (DES). ORWH, NCI, NICHD, NIEHS, April 22-24, 1992:55-56. Melnick S, Cole P, Anderson D, Herbst AL: Rates and risks of diethylstilbestrol-related clear cell adenocarcinoma of the vagina and cervix. N Engl J Med 316:514-516, 1987. NIH Workshop: Long-term effects of exposure to Diethylstilbestrol (DES).ORWH, NCI, NICHD, NIEHS, April 22-24, 1992. Noller KL, Blair PB, O'Brien PC, Melton LJ, Offord JR, Kaufman RH, Colton T: Increased occurrence of autoimmune disease among women exposed in utero to diethylstilbestrol. Fertil Steril 49:1080-1082, 1988. O'Brien PC, Noller KL, Robboy SJ, Barnes AB, Kaufman RH, Tilley BC, Townsend DE: Vaginal epithelial changes in young women enrolled in the National Cooperative Diethylstilbestrol Adenosis (DESAD) Project. Obstet Gynecol 53:300-308, 1979. Public Health Recommendations for the DES-Exposed. NIH Workshop: Long-term effects of exposure to Diethylstilbestrol (DES). ORWH, NCI, NICHD, NIEHS, April 22-24, 1992;93. Questions and Answers about DES. Office of Cancer Communications, National Cancer Institute. August, 1992. Renick K and Sherman A: Proposed Budget for DES Education and Outreach to Health Professionals and the General Public. Personal Communication, 1993. Robboy SJ, Kaufman RH, Prat J, Welch WR, Gaffey T, Scully RE, Richart R, Fenoglio CM, Virata R, Tilley BC: Pathologic findings in your women enrolled in the National Cooperative Diethylstilbestrol Adenosis (DESAD) Project. Obstet Gynecol 53:309-317, 1979. Robboy SJ, Szyfelbein WM, Goellner JR, Kaufman RH, Taft PD, Richart RM, Gaffey TA, Prat J, Virata R, Hatab Pa, McGorray SP, Noller KL, Townsend D, Labarthe D, Barnes AB: Dysplasia and cytologic findings in 4,589 young women enrolled in Diethylstilbestrol-Adenosis (DESAD) Project. Am J Obstet Gynecol 140:579-586, 1981. Robboy SJ, Welch WR, Young RH, Truslow GY, Herbst AL, Scully RE: Topographic relation of cervical ectropion and vaginal adenosis to clear cell adenocarcinoma Obstet Gynecol 60:546-551, 1982. Rosenfeld DL, Bronson RA: Reproductive Problems in the DES-exposed Female. Obstetrics and Gynecology 55:453-456, 1980. Schottenfeld D, Warshauer ME, Sherlock S, Zauber AG, Leder M, Payne R: The epidemiology of testicular cancer in young adults. Am J Epidemiol 112:232-246, 1980. Stenchever MA, Williamson RA, Leonard J, Karp LE, Ley B, Shy K, Smith D: Possible relationship between in utero diethylstilbestrol exposure and male fertility. Am J Obstet Gynecol 140:186-191, 1981. Stillman RJ: In utero exposure to diethylstilbestrol: Adverse effects on the reproductive tract and reproductive performance in male and female offspring. American Journal of Obstetrics and Gynecology 142:905-921, 1982. Tedeschi C: Communicating Epidemiologic Risk to the DES-Exposed Population. NIH Workshop, Long-Terms Effects of Exoisure to Diethylstilbestrol (DES). ORWH, NCI, NICHD, NIEHS, April 22-24, 1992:58-59. vanGils A, Tham R, Falke T, Peters A: Abnormalities of the Uterus and Cervix after Diethylstilbestrol Exposure: Correlations with Findings on MR and Hysterosalpingography. American Journal of Radiology 153:1235-1238, 1989. Vessey MP, Fairweather DVL, Norman-Smith B, Buckley J: A randomized double-blind controlled trial of the value of stilbestrol therapy in pregnancy: long-term follow-up of mothers and their offspring. Br J Obstet Gynaecol 90:1007-1017, 1983. Ways SC, Mortola JF, Zvaifler NJ, Weiss RJ, Yen SSC: Alternations in immune responsiveness in women exposed to diethylstilbestrol in utero. Fertil Steril 48:193-197, 1987. Whitehead ED, Leiter E: Genital abnormalities and abnormal semen analyses in male patients exposed to diethylstilbestrol in utero. J Urol 125:47-50, 1981. Wingard DL: DES Policy Paper. Personal Communication, 1993. Wingard, DL: Educating Health Professionals about DES Exposure. In NIH Workshop: Long Term Effects of Exposure to Diethylstilbestrol (DES). ORWH, NCI, NICHD, NIEHS, 1992. .
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