This notice has expired. Check the NIH Guide for active opportunities and notices.

EXPIRED

RESTORATION OF OROFACIAL TISSUES: A BIOMIMETIC/TISSUE ENGINEERING 
APPROACH 
 
RELEASE DATE:  August 22, 2002
 
RFA: DE-03-004
 
National Institute of Dental and Craniofacial Research (NIDCR) 
 (http://www.nidr.nih.gov/)

LETTER OF INTENT RECEIPT DATE:  October 20, 2002

APPLICATION RECEIPT DATE:  November 20, 2002    
 
THIS RFA CONTAINS THE FOLLOWING INFORMATION

o Purpose of this RFA
o Research Objectives
o Mechanisms of Support 
o Funds Available
o Eligible Institutions
o Individuals Eligible to Become Principal Investigators
o Where to Send Inquiries
o Letter of Intent
o Submitting an Application
o Peer Review Process
o Review Criteria
o Receipt and Review Schedule
o Award Criteria
o Required Federal Citations:

PURPOSE OF THIS RFA

The purpose of this RFA is to encourage biomimetics and tissue 
engineering research in the areas of orofacial tissue and organ repair 
and regeneration. The ultimate goal of this initiative is a systems 
approach to the design and development of new biocompatible/inductive 
materials that can stimulate cells and tissues to regenerate and/or 
materials that can become integrated into the body.  In particular, 
this initiative encourages: 

o biomimetic/tissue engineering approaches for the 
restoration/regeneration of tooth and periodontal structures; 
o tissue engineering and stem/progenitor cell approaches for the 
construction of an artificial salivary gland and for the 
repair/regeneration of Temporomandibular Joint (TMJ) structure; and
o use of new diagnostic imaging technologies and novel molecular 
imaging probes to monitor key events during tissue repair/regeneration.

In the context of this initiative, integrative, 
multidisciplinary/interdisciplinary research approaches from several 
different scientific disciplines such as cell and molecular biology, 
genetics, physics, engineering, computer and clinical sciences and 
other relevant systems are encouraged. Applicants may propose 
hypothesis-driven, discovery-driven, developmental, or design-directed 
research.  

RESEARCH OBJECTIVES
  
Background

The orofacial tissues and organs pose particularly interesting 
challenges in repair/regeneration because of: i) a complex nerve supply 
fine-tuned to serve special and general senses and to control muscles 
of speech, respiration, mastication, and emotional expression; ii) a 
rich blood supply to support high energy demands; iii) the presence of 
the most complex joint in the body; and iv) a number of unique organs 
and tissues: salivary glands, tongue, teeth and periodontal tissues.  
Moreover, any interventions to restore these tissues must contend with 
aesthetics and the importance of the face as the projected image of the 
individual to the world. As we enter the 21st century, the field of 
biomaterials is becoming one of the most exciting areas of materials 
science and engineering. There is currently "fresh energy" in this 
subject brought about by the availability of information from the 
genome project, and the availability of human adult and embryonic stem 
cells. Such advantages allow scientists to design and fabricate new 
materials following and even improving, the work of nature to meet the 
challenges of repairing and restoring orofacial tissues and organs. 

This initiative encourages applications that make use of the recent 
advances in biology, chemistry, physics and engineering to design 
functional materials that simulate the natural biological environment 
in order to facilitate: 

i) restoration/regeneration of tooth and periodontal structures; ii) 
construction of an artificial salivary gland; and iii) 
repair/regeneration of TMJ structure. This initiative also encourages 
the use of new imaging technologies and novel molecular imaging probes 
that can provide in vivo imaging of the biological processes during 
tissue repair and monitor treatment outcomes. 

i. Restoration/regeneration of tooth and periodontal structures. 

About 30% of the population age 65 and older is completely 
edentulous (toothless). Standard treatment of tooth loss involves 
prosthetic devices (dentures). Although these devices are initially 
functional and restore the ability to chew, as the individual becomes 
older they present problems with fit and aesthetics due to the loss of 
underlying bone. Replacement of teeth by dental implants provides more 
natural and stable function than dentures, but implants are not fully 
biocompatible and must be periodically replaced by surgical procedures.  
In addition, many Americans suffer from periodontal disease and missing 
teeth.  For example, by the age of 35 nearly every person has some 
degree of gingival inflammation or periodontal disease, and 15% of the 
total U.S. population has severe periodontal disease. At present, 
periodontal diseases are treated primarily by surgical methods, but 
restoration of normal function is generally slow, imperfect, and 
temporary.  Therefore, there are major clinical problems in the long-
term management of these disorders. 
 
In the area of tooth structure, development and formation, the 
NIDCR has supported years of research that now promise new strategies 
for tooth repair and regeneration. Significant progress has been 
achieved in our understanding of tooth formation.  A major advance has 
been the identification of specific signals required for development of 
the tooth at the mechanistic level.  A hierarchy of reciprocal tissue 
signals has been identified, and the consequences of loss or excess 
function are now recognized for several genes in critical pathways. 
Breakthroughs in understanding enamel, dentin and cementum formation 
have also occurred. Moreover, new relevant genes and structural 
proteins have been discovered, and research has been accelerated by 
information from the human and mouse genome projects. Besides 
identifying crucial genes and their expression at different times of 
tooth structure development, scientists are starting to decipher the 
mechanisms of inorganic templating that direct mineral crystal 
formation and the final form of natural composites.  To mimic the 
properties or structures of these natural materials for efficient 
repair or replacement of teeth and bone, scientists will need to 
develop efficient biomimetics-based designs. 

Effective repair/restoration of teeth and periodontal tissues 
requires balanced connective tissue growth, coverage by epithelium, and 
formation of an effective tissue seal with teeth at the gum line. 
Substantial advances in our understanding of cell adhesion and the 
extracellular matrix molecules that support and regulate nearly all 
cells provide many potential approaches to designing biomimetics.
Examples include scaffolds that mimic extracellular matrix
architecture, adhesives and anti-adhesives specific for individual 
tissues, and controlled-release depots for molecules that regulate 
growth, tissue rearrangement, and differentiated function. 

ii. Construction of an Artificial Salivary Gland

Loss of salivary gland parenchyma and consequent inability to 
make saliva affects an individual's quality of life.  Currently, there 
is no effective treatment for this condition. Saliva is a remarkable, 
multipurpose fluid whose presence most of us take for granted.  Yet 
each year, it is estimated that about 40,000 people suffer a loss of 
salivary gland function as a result of radiation treatment for head and 
neck cancer.  Although the treatment may save and prolong life, it can 
permanently damage salivary glands located in the field of radiation.  
In addition, it is estimated that more than one million Americans 
(primarily women) are afflicted with Sj gren's syndrome, an autoimmune 
disease whose symptoms include dry mouth and dry eyes.  Whether 
salivary glands are irreparably damaged by a disease such as Sj gren's 
syndrome, or by treatment such as radiation for head and neck cancer, 
the resulting loss of saliva flow markedly impairs the quality of life.  
Without adequate saliva, patients may experience difficulty speaking, 
chewing and swallowing.  They may also experience rampant tooth decay, 
mucosal infections such as candidiasis, loss of taste, and considerable 
oral discomfort.  This initiative encourages the application of state-
of-the-art methodologies including the use of adult and embryonic stem 
cells for the regeneration of the salivary gland parenchyma and 
restoration of its secretory function.

iii. Development of New Therapeutic Strategies for TMJ Repair and 
Regeneration. 

Epidemiological data suggest that approximately 10.8 million 
American adults experience symptoms associated with Temporomandibular 
Joint Disorders (TMJDs). Anatomically, the TMJ consists of the 
mandibular condyle, the mandibular fossa and articular eminence of the 
temporal bone, the muscles of mastication and the associated connective 
tissues, including the articular disk.  Abnormalities of each of these 
structures have been implicated with TMJDs and, in many cases, these 
structures need to be repaired or regenerated. Bone, connective tissue, 
and muscle are potentially repairable through the use of mesenchymal 
stem cells. Pluripotential stem cells have the inherent ability to be 
transformed into many different types of tissue, depending on the 
growth environment to which they are subjected.  Current evidence 
suggests that stem cell-mediated repair of a damaged structure is best 
performed relatively soon after the initiating event.  Presumably, the 
differentiation of stem cells into the phenotype(s) of the injured 
tissues is due to the presence of soluble factors (e.g., growth 
factors, chemokines, etc) that are released from the injured tissues.  
Recent work with autologous mesenchymal stem cells in animal models, 
both with and without scaffolds, has demonstrated the ability of these 
cells to transform into the component tissues of a joint to effect 
repair of experimentally induced defects. Mesenchymal stem cells can be 
harvested from bone marrow as well as from fat via liposuction. The 
latter represents an easily obtainable source of autologous stem cells 
for therapeutic needs.  
 
As mentioned earlier, muscles not only control facial expressions 
but are also key components of the TMJ. Muscle is a highly ordered 
structure, composed of tubes of basal lamina in which differentiated 
myocytes reside.  Through a complex system of neuromuscular junctions, 
each myocyte is synaptically connected to the central nervous system to 
effect volitional motor control. The matrix scaffolding of a skeletal 
muscle is extraordinarily complex and crucially important if functional 
neuromuscular junctions are to be replicated. In order to design 
synthetic or naturally derived matrices that promote formation of 
functional facial musculature, advances in understanding muscle matrix 
formation are necessary.  Therefore, research should be directed toward 
understanding the basal lamina of skeletal muscle, followed by 
engineering a matrix that allows regeneration of normal muscle fibers 
from the stem cells that exist in adult skeletal muscle.  

Imaging technologies and novel molecular imaging probes could 
provide in vivo imaging of the biological processes (e.g., cell 
movements, enzymatic activity and gene expression patterns) from stem 
cells to the formation of the tissue. The use of such technologies 
together with fluidics, optics and electronics could enable development 
of noninvasive sensing systems to pinpoint key events that mark the 
onset of TMJDs and could also be used to monitor treatment outcomes, 
and key events in stem cell treatment.   

Scope

The objectives and scope of this initiative are to support basic and 
applied research for the design and development of new 
biocompatible/inductive materials for the repair and regeneration of 
tooth and periodontal tissues, salivary glands and TMJ structures.  
Research topics might include but are not limited to the following: 

o Design of biodegradable scaffolds to serve as platforms for cells to 
organize tissues for repair and regeneration of teeth and periodontal 
tissues. Biomimetic replacements for various collagens, fibronectin, 
laminin, or proteoglycans could be created that combine activities from 
several molecules, have specificity for anchoring only certain cells, 
and possess inherent resistance to proteolytic enzymes. 

o Definition of the structural architecture and molecular interactions 
that specify organic-inorganic (biological-mineral) interfaces at all 
hierarchical levels (i.e., from nanoscale to tissue scale).  For 
example, it is essential to establish how enamel, dentin, and cementum 
proteins serve as templates for mineral deposition and the different 
steps involved in the processes of biomineralization and strengthening 
of tooth structures.

o Design of bio-inspired dental composite/ceramic materials through 
biomimetic principles of hierarchical self-assembly. For example, 
development of tooth restorative materials with nanoscale-oriented 
deposition of materials, and biomimetic polymers that regulate form and 
provide protection against fracture, which can mimic or surpass the 
properties of tooth enamel.

o Use of biological principles to design and fabricate materials which 
will accelerate connective tissue regrowth while restraining epithelial 
overgrowth during repair of diseased periodontal tissues.  
Subsequently, these materials should accelerate the later phases of 
periodontal tissue restoration; i.e., closing the epithelial gap to the 
tooth surface and subsequently forming an anti-bacterial seal.

o Application of principles of self-assembly and cell adhesion to 
modify the surface chemistry of synthetic tooth replacements.  For 
example, development of adhesive surfaces using peptides or mimetics 
that mediate selective adhesion to connective tissue or oral 
epithelium, which can provide fully biocompatible attachment surfaces 
for implantable materials.

o Use of biomimetic principles to develop anti-fouling and self-
cleaning coatings for oral biomaterial surfaces to prevent or disrupt 
formation of biofilms and to enhance defenses against bacteria. 

o Develop methods (e.g., scaffolds incorporating gradients of 
regulatory factors and bioreactor control of biochemical and physical 
signals) to induce salivary stem/progenitor cell differentiation and in 
vitro assembly of a functional acinar unit prior to transplantation.

o  Develop biodegradable synthetic polymers for gene transfer and for 
continuous release of fully active molecules that function to stabilize 
the salivary nascent tissue at the implant site.

o  Develop effective drug delivery systems using biomimetic principles 
based on salivary proteins. For example, mucins with their highly 
branching oligosaccharide moieties, reminiscent of dentritic polymers 
might be engineered to serve as effective drug delivery systems for 
anticancer and other drugs.  

o Identify, isolate, culture and characterize multipotent stem cells 
from adult tissue types for repair of TMJ associated structures (i.e., 
bone, cartilage, muscle).
 
o Determine factors that drive individual stem cells into different 
cellular phenotypes relevant to TMJ reconstruction (e.g., muscle, bone, 
cartilage etc.). 

o Conduct comparative studies between adult somatic cells with 
pluripotential properties with the aim of defining a rigorous phenotype 
of somatic stem cells that can be used in joint reconstruction. 

o  Develop clinically relevant small and large animal models to make 
use of the concept of stem cell plasticity for TMJ reconstruction.

o  Develop "smart" polymers that mimic the extracellular matrix in 
serving as scaffolds for stem cell transplantation. These polymers 
could also serve as reservoirs and delivery systems for regulatory 
molecules such as growth factors, with the capability of releasing 
precise amounts of these molecules only when subjected to local 
pressure from TMJ movements.

o Use in vivo molecular imaging technologies for characterizing 
molecular processes and screening drugs in genetically engineered 
animal models of TMJDs, and for determining the interactions of 
implantable materials with biological systems (e.g., material 
biocompatibility and bioactivity in the host environment).

o Develop imaging agents, probes, and radiopharmaceuticals that 
identify TMJ defects at the cellular and molecular level.
Because of the nature of the research required to stimulate the design 
and development of a new generation of biomaterials, it is expected 
that potential applicants will include investigators with expertise in 
biology, bioengineering, physics, chemistry, bioimaging, bioinformatics 
and clinical sciences. 

MECHANISM OF SUPPORT
 
This RFA will use the NIH Research Project Grant (R01) and the 
Exploratory/Developmental research grant (R21) mechanisms.  As an 
applicant you will be solely responsible for planning, directing, and 
executing the proposed project.  This RFA is a one-time solicitation. 
Future unsolicited, competing-continuation applications based on this 
project will compete with all investigator-initiated applications and 
will be reviewed according to the customary peer review procedures.  
The anticipated award date is July 30, 2003. 

This RFA uses just-in-time concepts.  Applications for the R01 and R21 
mechanisms use the modular as well as the non-modular budgeting formats 
(see http://grants.nih.gov/grants/funding/modular/modular.htm).
Specifically, for this RFA, use the modular format. 

The R21 proposals should have the potential for truly groundbreaking 
impact. Use of this mechanism by investigators with expertise in fields 
(e.g., tissue engineering, biomimetics, imaging) other than dental, 
oral and craniofacial research experience who wish to explore new 
biomedical approaches to address basic and applied research questions 
is encouraged. Applicants are encouraged to contact program staff for 
advice about choosing the appropriate grant mechanism. 

FUNDS AVAILABLE 
 
The NIDCR intends to commit approximately $3,000,000 in FY 2003 to fund 
8-10 new grants in response to this RFA. An R01 applicant may request a 
project period of up to 4 years and a budget for direct costs of up to 
$250,000 per year. 

An R21 applicant may request a project period of up to 2 years and a 
budget for direct costs of up to $125,000 per year. The R21 application 
must include milestones that will be used to judge the success of the 
proposed exploratory research. An R21 application should not exceed 10 
pages for the research plan. 

Because the nature and scope of the proposed research will vary from 
application to application, it is anticipated that the size and 
duration of each award will also vary.  

Although the FY 2003 financial plans of the NIDCR provide support for 
this program, awards pursuant to the RFA are contingent upon the 
availability of funds and the receipt of a sufficient number of 
meritorious applications.  At this time, it is not known if this RFA 
will be reissued. 

ELIGIBLE INSTITUTIONS
 
You may submit an application if your institution has any of the 
following characteristics:

o For-profit or non-profit organization
o Public or private institutions such as universities, colleges, 
hospitals, and laboratories
o National laboratories
o Units of state and local governments
o Eligible agencies of the Federal government
o Domestic or foreign
 
INDIVIDUALS ELIGIBLE TO BECOME PRINCIPAL INVESTIGATORS   

Any individual with the skills, knowledge, and resources necessary to 
carry out the proposed research is invited to work with their 
institution to develop an application for support.  Individuals from 
underrepresented racial and ethnic groups as well as individuals with 
disabilities are always encouraged to apply for NIH programs.   

WHERE TO SEND INQUIRIES

We encourage inquiries concerning this RFA and welcome the opportunity 
to answer questions from potential applicants.  Inquiries may fall into 
three areas:  scientific/research, peer review, and financial or grants 
management issues:

o Direct your questions about scientific/research issues to:

Eleni Kousvelari, DDS, D.Sc.,
Cellular & Molecular Biology, Physiology 
& Biotechnology Branch
National Institute of Dental and Craniofacial Research
National Institutes of Health
Building 45 Room 4AN-18A
Bethesda, MD  20892
Telephone:  (301) 594-2427
FAX:  (301) 480-8318
Email:  kousvelari@de45.nidr.nih.gov

o Direct your questions about peer review issues to:

H. George Hausch, Ph.D. 
Acting Director, Division of Extramural Activities
National Institute of Dental and Craniofacial Research
National Institutes of Health 
45 Center Drive, Room 4AN-44F 
Bethesda, MD 20892-6402 
Telephone: (301) 594-2904 
FAX: (301) 480-8303 
Email: George.Hausch@nih.gov 

o Direct your questions about financial or grants management matters 
to: 

Mr. Hoai Doan 
Grant Management Specialist  
National Institutes of Dental and Craniofacial Research
National Institutes of Health  
45 Center Drive, Room 4AN-32J  
Bethesda, MD 20892-6402  
P: (301)594-4800  
F: (301)480-8301  
Email: hoai.doan@nih.gov  
 
LETTER OF INTENT
 
Prospective applicants are asked to submit a letter of intent that 
includes the following information:

o Descriptive title of the proposed research
o Name, address, and telephone number of the Principal Investigator
o Names of other key personnel 
o Participating institutions
o 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 a subsequent application, the information 
that it contains allows NIDCR and CSR staff to estimate the potential 
review workload and plan the review.
 
The letter of intent is to be sent by the date listed at the beginning 
of this document.  It is preferred that the letter of intent be sent 
electronically to kousvelari@de45.nidr.nih.gov
If necessary, the letter of intent can be sent by regular mail to Dr. 
Eleni Kousvelari, listed in the WHERE TO SEND INQUIRIES section of this 
announcement.

SUBMITTING AN APPLICATION

Applications must be prepared using the PHS 398 research grant 
application instructions and forms (rev. 5/2001).  The PHS 398 is 
available at http://grants.nih.gov/grants/funding/phs398/phs398.html in 
an interactive format.  For further assistance contact GrantsInfo, 
Telephone (301) 710-0267, 
Email:  GrantsInfo@nih.gov.
  
SPECIFIC INSTRUCTIONS FOR MODULAR GRANT APPLICATIONS: Applications 
requesting up to $250,000 per year in direct costs must be submitted in 
a modular grant format.  The modular grant format simplifies the 
preparation of the budget in these applications by limiting the level 
of budgetary detail.  Applicants request direct costs in $25,000 
modules.  Section C of the research grant application instructions for 
the PHS 398 (rev. 5/2001) at 
http://grants.nih.gov/grants/funding/phs398/phs398.html includes
step-by-step guidance for preparing modular grants.  Additional information 
on modular grants is available at 
http://grants.nih.gov/grants/funding/modular/modular.htm.

USING THE RFA LABEL: The RFA label available in the PHS 398 (rev. 
5/2001) application form must be affixed to the bottom of the face page 
of the application.  Type the RFA number on the label.  Failure to use 
this label could result in delayed processing of the application such 
that it may not reach the review committee in time for review.  In 
addition, the RFA title and number must be typed on line 2 of the face 
page of the application form and the YES box must be marked. The RFA 
label is also available at: 
http://grants.nih.gov/grants/funding/phs398/label-bk.pdf.
 
SENDING AN APPLICATION TO THE NIH: Submit a signed, typewritten 
original of the application, including the Checklist, and three signed, 
photocopies, in one package to:
 
Center For Scientific Review
National Institutes of Health
6701 Rockledge Drive, Room 1040, MSC 7710
Bethesda, MD  20892-7710
Bethesda, MD  20817 (for express/courier service)

At the time of submission, two additional copies of the application 
must be sent to:

Dr. H. George Hausch 
Division of Extramural Activities
National Institute of Dental and Craniofacial Research
National Institutes of Health 
45 Center Drive, Room 4AN-44F 
Bethesda, MD 20892-6402 
  
APPLICATION PROCESSING: Applications must be received by the 
application receipt date listed in the heading of this RFA.  If an 
application is received after that date, it will be returned to the 
applicant without review.
 
The Center for Scientific Review (CSR) 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 CSR 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.

PEER REVIEW PROCESS  
 
Upon receipt, applications will be reviewed for completeness by the CSR 
and responsiveness by the NIDCR.  Incomplete applications will be 
returned to the applicant without further consideration.  And, if the 
application is not responsive to the RFA, CSR staff may contact the 
applicant to determine whether to return the application to the 
applicant or submit it for review in competition with unsolicited 
applications at the next appropriate NIH review cycle.

Applications that are complete and responsive to the RFA will be 
evaluated for scientific and technical merit by an appropriate peer 
review group convened by the CSR in accordance with the review criteria 
stated below.  As part of the initial merit review, all applications 
will:

o Receive a written critique
o Undergo a process in which only those applications deemed to have the 
highest scientific merit, generally the top half of the applications 
under review, will be discussed and assigned a priority score
o Receive a second level review by the appropriate Institute Advisory 
Council. 
 
REVIEW CRITERIA

The goals of NIH-supported research are to advance our understanding of 
biological systems, improve the control of disease, and enhance health.  
In the written comments, reviewers will be asked to discuss the 
following aspects of your application in order to judge the likelihood 
that the proposed research will have a substantial impact on the 
pursuit of these goals: 

o Significance 
o Approach 
o Innovation
o Investigator
o Environment
  
The scientific review group will address and consider each of these 
criteria in assigning your application's overall score, weighting them 
as appropriate for each application.  Your application does not need to 
be strong in all categories to be judged likely to have major 
scientific impact and thus deserve a high priority score.  For example, 
you may propose to carry out important work that by its nature is not 
innovative but is essential to move a field forward.

(1) SIGNIFICANCE:  Does your study address an important problem? If the 
aims of your application are achieved, how do they advance scientific 
knowledge?  What will be the effect of these studies on the concepts or 
methods that drive this field?  To what degree does the technology 
support the needs for research on biological or disease processes?

(2) APPROACH:  Are the conceptual framework, design, and methods 
adequately developed, well integrated, and appropriate for the design 
and development of new materials? Does the applicant acknowledge 
potential problem areas and consider alternative tactics?  If 
appropriate, what is the time frame for developing the proposed new 
materials and what is the suitability of this time frame for meeting 
the community's needs?  How easy will it be to use the proposed 
materials?  If industrial partnerships are proposed, how will they 
facilitate and complement the development of new biomaterials?

(3) INNOVATION:  Does the project address discovery or technology 
development that represents innovation for the field of orofacial 
tissue repair?  Does the project challenge existing paradigms or employ 
novel concepts, approaches, or methods?  What are the innovative 
applications of the proposed fundamental discovery, technology, or 
tools?

(4) INVESTIGATOR:  Does the principal investigator possess appropriate 
experience and capabilities to direct and carry out this work?  Is the 
experience level of the principal investigator, other researchers, or 
collaborators appropriate for the proposed effort?

(5) ENVIRONMENT:  Does the scientific environment in which your work 
will be done contribute to the probability of success?  Do the proposed 
experiments take advantage of unique features of the scientific 
environment or employ useful collaborative arrangements?  Is there 
evidence of institutional support or collaborative agreements?

ADDITIONAL REVIEW CRITERIA: In addition to the above criteria, your 
application will also be reviewed with respect to the following: 

o PROTECTIONS:  The adequacy of the proposed protection for humans, 
animals, or the environment, to the extent they may be adversely 
affected by the project proposed in the application.

o INCLUSION:  The adequacy of plans to include subjects from both 
genders, all racial and ethnic groups (and subgroups), and children as 
appropriate for the scientific goals of the research.  Plans for the 
recruitment and retention of subjects will also be evaluated. (See 
Inclusion Criteria included in the section on Federal Citations, below)

o BUDGET:  The reasonableness of the proposed budget and the requested 
period of support in relation to the proposed research. 
 
For R21 applications, the scientific review group will evaluate the 
feasibility milestones that would justify progression to a future R01. 

RECEIPT AND REVIEW SCHEDULE

Letter of Intent Receipt Date:          October 20, 2002
Application Receipt Date:               November 20, 2002
Peer Review Date:                       February/March 2003
Council Review:                         May/June 2003
Earliest Anticipated Start Date:        July 30, 2003

AWARD CRITERIA

Award criteria that will be used to make award decisions include:

o Scientific merit (as determined by peer review)
o Availability of funds
o Programmatic priorities.
 
REQUIRED FEDERAL CITATIONS 

INCLUSION OF WOMEN AND MINORITIES IN CLINICAL RESEARCH: It is the 
policy of the NIH that women and members of minority groups and their 
sub-populations must be included in all NIH-supported clinical research 
projects unless a clear and compelling justification is provided 
indicating that inclusion is inappropriate with respect to the health 
of the subjects or the purpose of the research. This policy results 
from the NIH Revitalization Act of 1993 (Section 492B of Public Law 
103-43).

All investigators proposing clinical research should read the AMENDMENT 
"NIH Guidelines for Inclusion of Women and Minorities as Subjects in 
Clinical Research - Amended, October, 2001," published in the NIH Guide 
for Grants and Contracts on October 9, 2001 
(http://grants.nih.gov/grants/guide/notice-files/NOT-OD-02-001.html);
a complete copy of the updated Guidelines are available at 
http://grants.nih.gov/grants/funding/women_min/guidelines_amended_10_2001.htm.

The amended policy incorporates: the use of an NIH definition of 
clinical research; updated racial and ethnic categories in compliance 
with the new OMB standards; clarification of language governing NIH-
defined Phase III clinical trials consistent with the new PHS Form 398; 
and updated roles and responsibilities of NIH staff and the extramural 
community.  The policy continues to require for all NIH-defined Phase 
III clinical trials that: a) all applications or proposals and/or 
protocols must provide a description of plans to conduct analyses, as 
appropriate, to address differences by sex/gender and/or racial/ethnic 
groups, including subgroups if applicable; and b) investigators must 
report annual accrual and progress in conducting analyses, as 
appropriate, by sex/gender and/or racial/ethnic group differences.

INCLUSION OF CHILDREN AS PARTICIPANTS IN RESEARCH INVOLVING HUMAN 
SUBJECTS: The NIH maintains a policy that children (i.e., individuals 
under the age of 21) must be included in all human subjects research, 
conducted or supported by the NIH, unless there are scientific and 
ethical reasons not to include them. This policy applies to all initial 
(Type 1) applications submitted for receipt dates after October 1, 
1998.

All investigators proposing research involving human subjects should 
read the "NIH Policy and Guidelines" on the inclusion of children as 
participants in research involving human subjects that is available at 
http://grants.nih.gov/grants/funding/children/children.htm.

REQUIRED EDUCATION ON THE PROTECTION OF HUMAN SUBJECT PARTICIPANTS: NIH 
policy requires education on the protection of human subject 
participants for all investigators submitting NIH proposals for 
research involving human subjects.  You will find this policy 
announcement in the NIH Guide for Grants and Contracts Announcement, 
dated June 5, 2000, at 
http://grants.nih.gov/grants/guide/notice-files/NOT-OD-00-039.html.

HUMAN EMBRYONIC STEM CELLS (hESC):  Criteria for federal funding of 
research on hESCs can be found at 
http://grants.nih.gov/grants/stem_cells.htm and at 
http://grants.nih.gov/grants/guide/notice-files/NOT-OD-02-005.html.
Only research using hESC lines that are registered in the NIH Human 
Embryonic Stem Cell Registry will be eligible for Federal funding (see 
http://escr.nih.gov).   It is the responsibility of the
applicant to provide the official NIH identifier(s)for the hESC line(s)to be
used in the proposed research.  Applications that do not provide this 
information will be returned without review.

PUBLIC ACCESS TO RESEARCH DATA THROUGH THE FREEDOM OF INFORMATION ACT: 
The Office of Management and Budget (OMB) Circular A-110 has been 
revised to provide public access to research data through the Freedom 
of Information Act (FOIA) under some circumstances.  Data that are (1) 
first produced in a project that is supported in whole or in part with 
Federal funds and (2) cited publicly and officially by a Federal agency 
in support of an action that has the force and effect of law (i.e., a 
regulation) may be accessed through FOIA.  It is important for 
applicants to understand the basic scope of this amendment.  NIH has 
provided guidance at 
http://grants.nih.gov/grants/policy/a110/a110_guidance_dec1999.htm.

Applicants may wish to place data collected under this initiative in a 
public archive, which can provide protections for the data and manage 
the distribution for an indefinite period of time.  If so, the 
application should include a description of the archiving plan in the 
study design and include information about this in the budget 
justification section of the application. In addition, applicants 
should think about how to structure informed consent statements and 
other human subjects procedures given the potential for wider use of 
data collected under this award.

URLs IN NIH GRANT APPLICATIONS OR APPENDICES: All applications and 
proposals for NIH funding must be self-contained within specified page 
limitations. Unless otherwise specified in an NIH solicitation, 
Internet addresses (URLs) should not be used to provide information 
necessary to the review because reviewers are under no obligation to 
view the Internet sites.  Furthermore, we caution reviewers that their 
anonymity may be compromised when they directly access an Internet 
site.

HEALTHY PEOPLE 2010: The Public Health Service (PHS) is committed to 
achieving the health promotion and disease prevention objectives of  
"Healthy People 2010," a PHS-led national activity for setting priority 
areas.  This RFA is related to one or more of the priority areas.  
Potential applicants may obtain a copy of "Healthy People 2010" at 
http://www.health.gov/healthypeople.

AUTHORITY AND REGULATIONS: This program is described in the Catalog of 
Federal Domestic Assistance No. 93.121 (NIDCR) and is not subject to 
the intergovernmental review requirements of Executive Order 12372 or 
Health Systems Agency review.  Awards are made under authorization of 
Sections 301 and 405 of the Public Health Service Act as amended (42 
USC 241 and 284) and administered under NIH grants policies described 
at  http://grants.nih.gov/grants/policy/policy.htm and
under Federal Regulations 42 CFR 52 and 45 CFR Parts 74 and 92. 

The PHS strongly encourages all grant recipients to provide a smoke-
free workplace and discourage the use of all tobacco products.  In 
addition, Public Law 103-227, the Pro-Children Act of 1994, prohibits 
smoking in certain facilities (or in some cases, any portion of a 
facility) in which regular or routine education, library, day care, 
health care, or early childhood development services are provided to 
children.  This is consistent with the PHS mission to protect and 
advance the physical and mental health of the American people.



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