About this file

This is a Request for Applications (RFA) announcement for the Neural Ensembles & Used Substances (NExUS) Collaboratory, a cooperative agreement opportunity issued by the National Institute on Drug Abuse (NIDA) under the Department of Health and Human Services. The funding opportunity (RFA-DA-28-013) seeks to support collaborative research decoding how substance use experiences and addictive neurobehavioral states are represented in the brain at the level of cell populations. Applications are due January 8, 2027 by 5:00 PM local time, with scientific merit review scheduled for February 8, 2027, advisory council review in July 2027, and earliest start date of December 2027. NIDA intends to commit $4 million in fiscal year 2027 to fund multiple projects, with individual awards not exceeding $700,000 in direct costs annually over a maximum five-year project period. The program is restricted to non-clinical trial research and utilizes the cooperative agreement funding instrument, which entails substantial NIH programmatic involvement including ongoing coordination through the NExUS Program Steering Committee and collaboration with NIH Project Scientists.

Projects must systematically identify, map, and analyze groups of neurons responding to used substances across all drug classes (opioids, psychostimulants, cannabinoids, depressants, psychedelics, alcohol) and address all five core objectives: collecting and sharing granular datasets of neural cell ensembles, integrating physiological readouts with multimodal data, developing quantitative metrics and visualization tools, developing mechanistic models, and facilitating synergies among funded projects and BRAIN Initiative efforts. Eligible applicants include higher education institutions, nonprofits, for-profit organizations, state and local governments, tribal governments, federal agencies, and non-domestic entities; however, foreign subawards or subcontracts are prohibited. Applications must include a Data Management and Sharing Plan with data deposited in specified NIH repositories (NEMO-SCORCH for omics data, DANDI for neurophysiology, EMBER for multimodal data, and others). All PD/PIs must have eRA Commons accounts linked to valid ORCID IDs, and applicant organizations must maintain active registrations in SAM, eRA Commons, and Grants.gov. Linked U01 applications from separate project sites are permitted with overlapping research strategies, provided each application clearly delineates its unique contributions.

RFA-DA-28-013-Full-Announcement.html

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Department of Health and Human Services

Part 1. Overview Information

Participating Organization(s)

National Institutes of Health (NIH)

Components of Participating Organizations

National Institute on Drug Abuse (NIDA)

Note: Not all NIH Institutes, Centers, and Offices (ICOs) participate in Announcements. Applicants should carefully note which ICOs participate in this announcement and view their respective areas of research interest at the ICO-Specific Scientific Interests website. ICOs that do not participate in this announcement will not consider applications for funding.

Funding Opportunity Title

Neural Ensembles & Used Substances (NExUS) Collaboratory: Building a Multimodal Inventory of Cell Ensembles Encoding the Effects of Addictive Substances (U01 Clinical Trial Not Allowed)

Activity Code

U01 Research Project – Cooperative Agreements

Announcement Type

Reissue of

RFA-DA-25-023

Related Notices

Check for any recent Notices of NIH Policy Changes that may impact application requirements.

Funding Opportunity Number (FON)

RFA-DA-28-013

Companion Funding Opportunity

None

Number of Applications

See Section III. 3. Additional Information on Eligibility.

Assistance Listing Number(s)

93.279

Funding Opportunity Purpose

The National Institute on Drug Abuse (NIDA) invites applications to renew and expand the Collaboratory on Neural Ensembles and Used Substances (NExUS).

NExUS is a collaborative research program to decode how substance use experiences and addictive neurobehavioral states are represented in the brain at the level of cell populations.

This funding opportunity seeks applications that propose systematic and scalable methods to identify, map, and analyze groups of neurons that respond to used substances. The goal is to create a comprehensive, multimodal database and use it to test hypotheses about how specific neural population activity patterns relate to behavioral states associated with substance use and substance use disorders (SUD), including intoxication, craving, and dependence.

Funding Opportunity Goal(s)

To support basic, clinical, translational, and implementation research in the field of substance use disorders. To develop new knowledge and approaches for the prevention, diagnosis, and treatment of drug use, misuse, and addiction, drug overdose, and related health outcomes, including HIV/AIDS.

Key Dates

Posted Date

October 09, 2026

Open Date (Earliest Submission Date)

January 08, 2027

Application Due Dates
Review and Award Cycles
New
Renewal / Resubmission / Revision (as allowed)
AIDS - New/Renewal/Resubmission/Revision, as allowed
Scientific Merit Review
Advisory Council Review
Earliest Start Date

February 08, 2027

February 08, 2027

Not Applicable

July 2027
October 2027

December 2027

All applications are due by 5:00 PM local time of applicant organization.

Applicants are encouraged to apply early to allow adequate time to make any corrections to errors found in the application during the submission process by the due date.

Due Dates for E.O. 12372

Not Applicable

Expiration Date

February 09, 2027

Required Application Instructions

It is critical that applicants follow the instructions in the Research (R) Instructions in the How to Apply - Application Guide, except where instructed to do otherwise (in this NOFO or in a Notice from NIH Guide for Grants and Contracts).

Conformance to all requirements (both in the Application Guide and the NOFO) is required and strictly enforced. Applicants must read and follow all application instructions in the Application Guide as well as any program-specific instructions noted in Section IV. When the program-specific instructions deviate from those in the Application Guide, follow the program-specific instructions.

Applications that do not comply with these instructions may be delayed or not accepted for review.

There are several options available to submit your application through Grants.gov to NIH and Department of Health and Human Services partners. You must use one of these submission options to access the application forms for this opportunity.
Use the NIH ASSIST system to prepare, submit and track your application online.
Use an institutional system-to-system (S2S) solution to prepare and submit your application to Grants.gov and eRA Commons to track your application. Check with your institutional officials regarding availability.
Use Grants.gov Workspace to prepare and submit your application and eRA Commons to track your application.

Table of Contents

Part 1. Overview Information Key Dates Part 2. Full Text of Announcement Section I. Notice of Funding Opportunity Description Section II. Award Information Section III. Eligibility Information Section IV. Application and Submission Information Section V. Application Review Information Section VI. Award Administration Information Section VII. Agency Contacts Section VIII. Other Information

Part 2. Full Text of Announcement

Section I. Notice of Funding Opportunity Description

Background When drugs enter the brain, they act in complex ways on diverse groups of neurons distributed across multiple brain regions. These neurons differ in their molecular expression patterns, electrophysiological properties, and other functionally relevant features. A major challenge is understanding how specific cell types and the functional groups (ensembles) they form encode drug-induced states, and how these patterns relate to measurable behaviors like intoxication, craving, and dependence across different drugs and exposure conditions.

New technologies now allow us to map drug-responsive cell ensembles with unprecedented detail. These include tools to record live neural activity, tag active cells across the whole brain, identify individual cell types, and create comprehensive brain atlases. The NExUS (Neural Ensembles and Used Substances) program will use these tools over the next 5 years to build at least one prototype database that combines cell activity maps across different drugs and allows researchers to compare data across multiple measurement types.

By making these brain-wide datasets more findable, comparable, and reusable, NExUS will enable biologically-grounded models of the computations and subsystems that drive or predict addiction-related states, while advancing NIH priorities in transparency, reproducibility, and new approach methodologies (NAMs).

Since 2021, NIDA has supported pilot projects using single-cell transcriptomics to annotate maps of pharmacologic target engagement and drug-induced neural activity. Initially focused on opioids, the program expanded in 2024 to include all classes of used substances.

In this next phase, NIDA seeks to scale multimodal data collection; formalize collaborative and governance structures; align with Brain Research Through Advancing Innovative Neurotechnologies (BRAIN) Initiative reference cell taxonomies and atlases; and develop the NExUS knowledge base, including its informatics infrastructure and analytic tools.Details of projects currently active under the pilot phase of NExUS Collaboratory program can be consulted here:

https://reporter.nih.gov/search/vjo0r5f-d0yNP-dpEMcQvg/projects?shared=true Scope and Objectives:

All classes of substances or comparisons across classes may be investigated (e.g. opioids, psychostimulants, cannabinoids, depressants, psychedelics, alcohol). Mechanistic hypotheses that relate cell population activity codes must be tested to rigorously track neurobehavioral aspects relevant to substance use and SUD, such as intoxication, craving, or dependence.

Projects are expected to illustrate an applicant's overarching vision for a multimodal inventory, coordinated across multiple sites, and scalability towards an integrated knowledge base resource.

Methodological and integrative objectives include:

1) Collecting and sharing granular datasets describing neural cell ensembles responsive to tractable features of substance-related experiences.

2) Integrating physiological or biochemical readouts of neural activity (cell-resolved, population-scale) with other granular data modalities collected from the same individual cells or cell populations (such as molecular identity, neurophysiological features, connectivity, etc.).

3) Developing and/or applying quantitative metrics and visualization tools to characterize cell-type composition, architecture and geometry of ensembles.

4) Developing and testing mechanistic models (in vivo or in silico) for how particular subsets of cells, cell types or motifs are recruited into coding ensembles.

5) Facilitating synergies among NExUS-funded projects and enabling harmonization with other cell atlasing efforts, such as cell taxonomies supported by the NIH BRAIN initiative.

Key research questions include, but are not limited to:

What is the cellular composition and architecture of functional cell ensembles engaged by defined aspects of a drug experience?
Are specific neural cell codes predictive of misuse liability of a substance? Do they provide a signature for the SUD vulnerability or resilience of an individual?
How do drug-associated cell ensembles activity relate to pharmacological target distribution and engagement?
How do drug-associated cell ensembles differ within and across drug classes, route, and regimens?
Can a common coordinate/anatomical framework be adopted across projects to aggregate and compare distributed ensembles engaged by drug experiences?
How do drug-associated cell ensemble organization and dynamics evolve with use, repetition, learning, and expectation?
What are the mechanisms for the recruitment of subsets of cells or motifs into coding ensembles.

Examples of project objectives that apply, harmonize and integrate the methods described below include:

Advancing live experimental data collection capabilities, including:high-resolution neurobehavioral monitoring and annotation;
scalable in vivo activity labeling and capture methods, including genetic reporters or photo-tagging technologies; and
large-scale live optophysiology or electrophysiology.
Integrating in vivo experimental pipelines with scalable downstream ex vivo cell annotation approaches, including:tissue clearing and/or histological labeling;
spatially resolved or single-cell transcriptomic profiling;
biophysical characterization using slice physiology; and
analyses of ultrastructure and connectomics.
Developing or applying data analytic approaches to support mechanistic investigation, including:biologically constrained computational models of coding ensembles; and
data mining and visualization platforms, decoders, or in silico ablation methods.
Establishing and coordinating cross-cutting engagement, governance, and informatics infrastructure, including:social engagement and governance structures;
coordination of data standards and FAIR data access;
coordination of sample collection processes;
shared spatial registration frameworks;
informatics infrastructure for data deposition and archiving; and
interoperability across data repositories.

Data Harmonization for Substance Use and Addiction via the PhenX Toolkit NIDA strongly encourages investigators involved in human-subjects studies to employ a common set of tools and resources that will promote the collection of comparable data across studies and to do so by incorporating the measures from the Core and Specialty collections, which are available in the Substance Abuse and Addiction Collection of the PhenX Toolkit. Please see NOT-DA-12-008 for further details.

For further information on special considerations for NIDA applicants, please see the Resources section on the NIDA Grants and Funding page.

Applications Not Responsive to this NOFO The following types of studies are not responsive to the NOFO and will not be reviewed:

Applications that do not investigate exposure to one or multiple used/addictive substances in a rigorously parameterized and resolved exposure setting.
Applications that do not capture substance-related ensemble activity in a rigorously parameterized in-vivo exposure setting or that lack tractable behavior readouts.
Applications using averaged population activity signal across circuit/region as the sole live functional endpoint, and lacking cell-resolved readouts.
Applications solely proposing to perform omics profiling on an entire region, without characterizing ensemble activity from the same cells.
Applications that restrict investigations of cell ensemble composition to binary cell populations defined by a single marker.

See Section VIII. Other Information for award authorities and regulations.

Section II. Award Information

Funding Instrument

Cooperative Agreement: A financial assistance mechanism used when there will be substantial Federal scientific or programmatic involvement. Substantial involvement means that, after award, NIH scientific or program staff will assist, guide, coordinate, or participate in project activities. See Section VI.2 for additional information about the substantial involvement for this NOFO.

Application Types Allowed

New

Renewal

Resubmission

The OER Glossary and the How to Apply Application Guide provide details on these application types. Only those application types listed here are allowed for this NOFO.

Clinical Trial?

Not Allowed: This NOFO only accepts applications that do not propose clinical trials. Note: Applications may propose activities involving human subjects that are not deemed clinical trials.

Need help determining whether you are doing a clinical trial?

Funds Available and Anticipated Number of Awards

NIDA intends to commit $4M in FY2027 to fund multiple projects, including at least one project emphasizing informatics, data integration and consortium coordination goals.

Award Budget

Applications may not request more than $700,000 direct costs for any one year.

Award Project Period

The maximum project period is five years.

NIH grants policies as described in the NIH Grants Policy Statement will apply to the applications submitted and awards made from this NOFO.

Section III. Eligibility Information

1. Eligible Applicants

Eligible Organizations

Higher Education Institutions - Includes all types
Public/State Controlled Institutions of Higher Education
Private Institutions of Higher Education

Nonprofits Other Than Institutions of Higher Education

Nonprofits with 501(c)(3) IRS Status (Other than Institutions of Higher Education)
Nonprofits without 501(c)(3) IRS Status (Other than Institutions of Higher Education)

For-Profit Organizations

Small Businesses
For-Profit Organizations (Other than Small Businesses)

Local Governments

State Governments
County Governments
City or Township Governments
Special District Governments
Indian/Native American Tribal Governments (Federally Recognized)
Indian/Native American Tribal Governments (Other than Federally Recognized).

Federal Governments

Eligible Agencies of the Federal Government

U.S. Territory or Possession

Other

Independent School Districts

Public Housing Authorities/Indian Housing Authorities

Native American Tribal Organizations (other than Federally recognized tribal governments)

Faith-based or Community-based Organizations

Regional Organizations

Non-domestic (non-U.S.) Entities (Foreign Organizations)

Foreign Organizations/International Collaborations

Non-domestic (non-U.S.) Entities (Foreign Organizations) are eligible to apply.

Non-domestic (non-U.S.) components of U.S. Organizations are eligible to apply.

Foreign components, as defined in the NIH Grants Policy Statement, are allowed.

NIH will no longer issue awards (i.e., new, renewal, or non-competing continuation) to domestic or foreign entities that involve foreign subawards/subcontracts. All NIH-funded research involving foreign subawards/subcontracts must be submitted in response to a NOFO that is specifically designated for funded international collaborations. See NIH Grants Policy Statement 16.8 Collaborative International Research Awards.

Applications involving foreign subawards/subcontracts submitted in response to this NOFO will be deemed noncompliant and will not be considered for funding. This policy applies to all monetary international collaborations resulting in foreign subawards/subcontracts, however, it does not preclude unfunded international collaborations or foreign components, funding for foreign consultants, or procurement of unique equipment or supplies from foreign vendors.

Required Registrations

Applicant Organizations Applicant organizations must complete and maintain the following registrations as described in the How to Apply- Application Guide to be eligible to apply for or receive an award. All registrations must be completed prior to the application being submitted. Registration can take 6 weeks or more, so applicants should begin the registration process as soon as possible. Failure to complete registrations in advance of a due date is not a valid reason for a late submission, please reference the NIH Grants Policy Statement Section 2.3.9.2 Electronically Submitted Applications for additional information.

System for Award Management (SAM) – Applicants must complete and maintain an active registration, which requires renewal at least annually. The renewal process may require as much time as the initial registration. SAM registration includes the assignment of a Commercial and Government Entity (CAGE) Code for domestic organizations which have not already been assigned a CAGE Code. Foreign organizations must obtain a NATO Commercial and Government Entity (NCAGE) Code (in lieu of a CAGE code) in order to register in SAM. Unique Entity Identifier (UEI)- A UEI is issued as part of the SAM.gov registration process. The same UEI must be used for all registrations, as well as on the grant application.

eRA Commons - Once the unique organization identifier is established, organizations can register with eRA Commons in tandem with completing their Grants.gov registrations; all registrations must be in place by time of submission. eRA Commons requires organizations to identify at least one Signing Official (SO) and at least one Program Director/Principal Investigator (PD/PI) account in order to submit an application.
Grants.gov – Applicants must have an active SAM registration in order to complete the Grants.gov registration.

Program Directors/Principal Investigators (PD(s)/PI(s)) All PD(s)/PI(s) must have an eRA Commons account. PD(s)/PI(s) should work with their organizational officials to either create a new account or to affiliate their existing account with the applicant organization in eRA Commons. Obtaining an eRA Commons account can take up to 2 weeks.

All PD(s)/PI(s) must be registered with ORCID. The personal profile associated with the PD(s)/PI(s) eRA Commons account must be linked to a valid ORCID ID. For more information on linking an ORCID ID to an eRA Commons personal profile see the ORCID topic in our eRA Commons online help.

Eligible Individuals (Program Director/Principal Investigator)

Any individual(s) with the skills, knowledge, and resources necessary to carry out the proposed research as the Program Director(s)/Principal Investigator(s) (PD(s)/PI(s)) is invited to work with their organization to develop an application for support.

For institutions/organizations proposing multiple PDs/PIs, visit the Multiple Program Director/Principal Investigator Policy and submission details in the Senior/Key Person Profile (Expanded) Component of the How to Apply-Application Guide.

2. Cost Sharing This NOFO does not require cost sharing as defined in the NIH Grants Policy Statement Section 1.2 Definition of Terms.

3. Additional Information on Eligibility Number of Applications

Applicant organizations may submit more than one application, provided that each application is scientifically distinct.

The NIH will not accept duplicate or highly overlapping applications under review at the same time, per NIH Grants Policy Statement Section 2.3.7.4 Submission of Resubmission Application. This means that the NIH will not accept:

A new (A0) application that is submitted before issuance of the summary statement from the review of an overlapping new (A0) or resubmission (A1) application.

A resubmission (A1) application that is submitted before issuance of the summary statement from the review of the previous new (A0) application.

An application that has substantial overlap with another application pending appeal of initial peer review (see NIH Grants Policy Statement 2.3.9.4 Similar, Essentially Identical, or Identical Applications).

This NOFO accepts linked U01 applications from separate project sites where research strategy, hypothesis and specific aims may be duplicated or significantly overlap.

Applicants may elect to address subsets and/or specific components of the five NOFO objectives more extensively through a structured collaboration (refer to objectives listed under Section I Scope and Objectives). NIDA encourages linked applications from teams across domains such as data science and experimental data collection. A section titled "Features Unique to this Site" should be used to describe how respective efforts will be allocated across objectives and why.

Section IV. Application and Submission Information

1. Requesting an Application Package The application forms package specific to this opportunity must be accessed through ASSIST, Grants.gov Workspace or an institutional system-to-system solution. Links to apply using ASSIST or Grants.gov Workspace are available in Part 1 of this NOFO. See your administrative office for instructions if you plan to use an institutional system-to-system solution.

2. Content and Form of Application Submission It is critical that applicants follow the instructions in the Research (R) Instructions in the How to Apply - Application Guide except where instructed in this notice of funding opportunity to do otherwise (in this NOFO, in a policy notice, or other notice from NIH Guide for Grants and Contracts). Conformance to the requirements in the Application Guide is required and strictly enforced. Applications that are out of compliance with these instructions may be delayed or not accepted for review.

Page Limitations All page limitations described in the How to Apply- Application Guide and the Table of Page Limits must be followed.

Instructions for Application Submission

The following section supplements the instructions found in the How to Apply- Application Guide and should be used for preparing an application to this NOFO.

SF424(R&R) Cover All instructions in the How to Apply - Application Guide must be followed.

SF424(R&R) Project/Performance Site Locations All instructions in the How to Apply- Application Guide must be followed.

SF424(R&R) Other Project Information

SF424(R&R) Senior/Key Person Profile

R&R or Modular Budget

R&R Subaward Budget

PHS 398 Cover Page Supplement

PHS 398 Research Plan All instructions in the How to Apply - Application Guide must be followed, with the following additional instructions:

The projects must test a neural coding hypothesis and address each of the following five objectives:

1) Collect and share granular datasets descriptive of neural cell ensembles encoding tractable features of substance-related experiences.

2) Integrate physiological or biochemical readouts of neural activity (cell-resolved, population-scale) with other granular data modalities collected from the same individual cells or cell clusters

3) Develop and/or apply quantitative metrics and visualization tools to characterize cell-type composition, architecture and geometry .

4) Develop and test mechanistic models(in vivoor in silico, for how particular subsets of cells, cell types or motifs are recruited into coding ensembles.

5) Facilitate synergies among NExUS-funded projects and with other cell atlasing efforts such as BRAIN initiative-supported atlases and taxonomies.

Although all five objectives listed above must be addressed within an application, applicants may elect to describe their plans to address a subset of the five goals more extensively and share other goals with (an)other linked U01application(s), through structured collaborations. Applications must describe how efforts will be allocated across all five objectives and explain how their specific aims will synergize with those of other linked and independent projects to achieve the objective of delivering a prototype of a knowledge base resource.

Specific Aims:

Describe the aims of the project in priority order.
Define the biological/mechanistic hypothesis being tested as it relates to neural coding.
Articulate how this circumscribed test-case will establish the validity and scalability of the piloted approaches and processes for a more extensive cell inventory/knowledge base resource.
In the Specific Aims, address all Objectives. You may describe a subset in greater detail and propose to meet the requirements through structured collaboration with one or more linked U01 applications. If funded, investigators will be expected to work collaboratively with NIH scientific staff to help guide, coordinate, and participate in project activities

Research Strategy:

Use standard sections (Significance, Innovation, and Approach) to present the applicants' overarching vision, unique expertise and proposed approaches to advance the general goal of the NExUS collaboratory, and to address the five specific objectives listed above. These sections together should support the feasibility, novelty, impact and scalability of the proposed approaches.
In addressingobjective 1 Collect and share granular datasets descriptive of neural cell ensembles encoding tractable features of substance-related experiences proposals should pay particular attention to how drug-associated neural ensembles are operationally defined, by systematically controlling parameters of drug-related experiencesExamples of parameters of interest include: behavior readouts for motivational, hedonic, sensorimotor states, exteroceptive/interoceptive cues, sociospatial contexts and instrumental contingencies.
Choice of a model system and volitional or experimenter-delivered mode of substance exposure should be carefully considered..
Describe the neuroanatomical scope of the project and justify why the focus on a particular circumscribed brain structure(s), circuit(s), or distributed systems are significant and address an important gap in current knowledge and/or provide a timely opportunity for progress.
Define the state of knowledge and gaps regarding the heterogeneity of cell types and populations within target regions. Justifyhow state-of-the-art tools, public datasets and infrastructure, such as cell atlas resources or cell-access reagents, will be leveraged and integrated for annotation when available.
Define how the proposal's team organization, administrative structure and project design will factor in and promote interactions and synergies among several NExUS-funded projects and/or with other cell-atlasing or functional survey efforts.
Define how implemented methods and pipelines will be quality controlled (QCed) and what procedures are implemented to integrate across in vivo and ex-vivo data modalities.
Provide a timeline and quantitative annual milestones for the entire funding period. As a part of the quantitative milestones, estimate the total number of cells and subjects completed and disseminated for each year of the project period and by the end of the project period. Describe how power estimates will be used to justify numbers of individuals and cells being tested.
When scientifically justified, applicants are encouraged to leverage human- and/or primate-derived data, cellular models, in silico approaches such as in silico ablation approaches (also referred to as NAMs) in place of traditional in vivo animal testing.
Key personnel supported by NExUS awards should plan to take part in NExUS Collaboratory cross-projects activities (e.g., attend regular PI meetings, give project presentations, propose or evaluate directions for consortium activities and policies) and abide by consensus policies and practices active at the time of the award. Although most NExUS governing policies are still being defined, policies under discussion may include pre-registration of experimental designs, notification of pre-print submission, dissemination of protocols or reagents, and sharing of pre-publication data restricted to Collaboratory members, according to specified embargo schedules, to enable QC, combined analyses and preparation of joint publications

Resource Sharing Plan: Individuals are required to comply with the instructions for the Resource Sharing Plans as provided in the How to Apply - Application Guide.

Other Plan(s):

All instructions in the How to Apply - Application Guide must be followed, with the following additional instructions:

A Data Management and Sharing Plan (DMS Plan) is required for any NIH-funded or conducted research that will generate scientific data. Applicants must submit the DMS Plan at the time of application using the NIH DMS Plan Format Page. The DMS Plan must address the elements in the structured format. Where the DMS Plan Format Page requires a "Yes or No" response, no additional narrative is allowed.

Data generated will be deposited and released to the scientific community through appropriate public repositories in accordance with NIH DMS policy. NExUS applicants should use the NIDA and BRAIN initiative co-funded NEMO-SCORCH repository for archiving/deposition of single cell/nucleus omics data and are encouraged to use other BRAIN initiative archives listed below for other relevant data modalities:

EMBER for multi-modal neurophysiological and behavioral data The DANDI archive to hold neurophysiology data including electrophysiology, optophysiology, and behavioral time-series, and images from immunostaining experiments.

The Brain Image Library to hold microscopy data).

Block and Object Storage Service to hold electron microscopy data

Appendix: Only limited Appendix materials are allowed. Follow all instructions for the Appendix as described in the How to Apply - Application Guide.
No publications or other material, with the exception of blank questionnaires or blank surveys, may be included in the Appendix.

PHS Human Subjects and Clinical Trials Information When involving human subjects research, clinical research, and/or NIH-defined clinical trials (and when applicable, clinical trials research experience) follow all instructions for the PHS Human Subjects and Clinical Trials Information form in the How to Apply- Application Guide, with the following additional instructions:

If you answered "Yes" to the question "Are Human Subjects Involved?" on the R&R Other Project Information form, you must include at least one human subjects study record using the Study Record: PHS Human Subjects and Clinical Trials Information form or Delayed Onset Study record.

Study Record: PHS Human Subjects and Clinical Trials Information

Delayed Onset Study Note: Delayed onset does NOT apply to a study that can be described but will not start immediately (i.e., delayed start). All instructions in the How to Apply- Application Guide must be followed.

PHS Assignment Request Form

Foreign Organizations Foreign (non-U.S.) organizations must follow policies described in the NIH Grants Policy Statement, and procedures for foreign organizations described throughout the How to Apply- Application Guide.

3. Unique Entity Identifier and System for Award Management (SAM) See Part 2. Section III.1 for information regarding the requirement for obtaining a unique entity identifier and for completing and maintaining active registrations in System for Award Management (SAM), NATO Commercial and Government Entity (NCAGE) Code (if applicable), eRA Commons, and Grants.gov

4. Submission Dates and Times Part I. contains information about Key Dates and times. Applicants are encouraged to submit applications before the due date to ensure they have time to make any application corrections that might be necessary for successful submission. When a submission date falls on a weekend or Federal holiday, the application deadline is automatically extended to the next business day.

Organizations must submit applications to Grants.gov (the online portal to find and apply for grants across all Federal agencies). Applicants must then complete the submission process by tracking the status of the application in the eRA Commons, NIH's electronic system for grants administration. NIH and Grants.gov systems check the application against many of the application instructions upon submission. Errors must be corrected and a changed/corrected application must be submitted to Grants.gov on or before the application due date and time. If a Changed/Corrected application is submitted after the deadline, the application will be considered late. Applications that miss the due date and time are subjected to the NIH Grants Policy Statement Section 2.3.9.2 Electronically Submitted Applications.

Applicants are responsible for viewing their application before the due date in the eRA Commons to ensure accurate and successful submission.

Information on the submission process and a definition of on-time submission are provided in the How to Apply-Application Guide.

5. Intergovernmental Review (E.O. 12372) This initiative is not subject to intergovernmental review.

6. Funding Restrictions All NIH awards are subject to the terms and conditions, cost principles, and other considerations described in the NIH Grants Policy Statement.

Pre-award costs are allowable only as described in the NIH Grants Policy Statement Section 7.9.1 Selected Items of Cost.

7. Other Submission Requirements and Information

Applications must be submitted electronically following the instructions described in the How to Apply – Application Guide. Paper applications will not be accepted.

Applicants must complete all required registrations before the application due date. Section III. Eligibility Information contains information about registration.

For assistance with your electronic application or for more information on the electronic submission process, visit How to Apply – Application Guide. If you encounter a system issue beyond your control that threatens your ability to complete the submission process on-time, you must follow the Dealing with System Issues guidance. For assistance with application submission, contact the Application Submission Contacts in Section VII.

Important reminders:

All PD(s)/PI(s) must include their eRA Commons ID in the Credential field of the Senior/Key Person Profile form. Failure to register in the Commons and to include a valid PD/PI Commons ID in the credential field will prevent the successful submission of an electronic application to NIH. See Section III of this NOFO for information on registration requirements.

The applicant organization must ensure that the unique entity identifier provided on the application is the same identifier used in the organization's profile in the eRA Commons and for the System for Award Management. Additional information may be found in the How to Apply – Application Guide.

See more tips for avoiding common errors.

Upon receipt, applications will be evaluated for completeness and compliance with application instructions by the Center for Scientific Review and responsiveness by components of participating organizations, NIH. Applications that are incomplete, non-compliant and/or nonresponsive will not be reviewed.

Mandatory Disclosure

Recipients or subrecipients must submit any information related to violations of federal criminal law involving fraud, bribery, or gratuity violations potentially affecting the federal award. See Mandatory Disclosures, 2 CFR 200.113 and NIH Grants Policy Statement Section 4.1.35.

Send written disclosures to the NIH Chief Grants Management Officer listed on the Notice of Award for the IC that funded the award and to the HHS Office of Inspector Grant Self Disclosure Program at grantdisclosures@oig.hhs.gov.

Post Submission Materials Applicants are required to follow the instructions for post-submission materials, as described in the policy

Section V. Application Review Information

1. Criteria Only the review criteria described below will be considered in the review process. Applications submitted to the NIH in support of the NIH mission are evaluated for scientific and technical merit through the NIH peer review system.

Overall Impact

Reviewers will provide an overall impact score to reflect their assessment of the likelihood for the project to exert a sustained, powerful influence on the research field(s) involved, in consideration of the following scored review criteria and additional review criteria (as applicable for the project proposed). An application does not need to be strong in all categories to be judged likely to have a major scientific impact.

Scored Review Criteria

Reviewers will consider Factors 1, 2 and 3 in the determination of scientific merit, and in providing an overall impact score. In addition, Factors 1 and 2 will each receive a separate factor score.

Factor 1. Importance of the Research (Significance and Innovation)

Significance
Evaluate the importance of the proposed research in the context of current scientific challenges and opportunities, either for advancing knowledge within the field, or more broadly. Assess whether the application addresses an important gap in knowledge in the field, would solve a critical problem, or create a valuable conceptual or technical advance.
Evaluate the rationale for undertaking the study, the rigor of the scientific background for the work (e.g., prior literature and/or preliminary data) and whether the scientific background justifies the proposed study.

Innovation

Evaluate the extent to which innovation influences the importance of undertaking the proposed research. Note that while technical or conceptual innovation can influence the importance of the proposed research, a project that is not applying novel concepts or approaches may be of critical importance for the field.
Evaluate whether the proposed work applies novel concepts, methods or technologies or uses existing concepts, methods, technologies in novel ways, to enhance the overall impact of the project.
Specific to this NOFO:
Evaluate whether the five objectives listed undersection I (Scope and Objectives) are addressed in a compelling manner by the aims and approaches and/or through rigorously structured collaborations.
Evaluate whether the overall visionproposed for an inventory and illustrated in the project is compelling and likely to deliver a scableknowledgebase resource.
Evaluate whether the focused demonstration experiments test a compelling hypothesis regarding neural coding, by substance-associated neural ensembles.

Factor 2. Rigor and Feasibility (Approach)

Approach
Evaluate the scientific quality of the proposed work. Evaluate the likelihood that compelling, reproducible findings will result (rigor) and assess whether the proposed studies can be done well and within the timeframes proposed (feasibility).

Rigor:

Evaluate the potential to produce unbiased, reproducible, robust data.
Evaluate the rigor of experimental design and whether appropriate controls are in place.
Evaluate whether the sample size is sufficient and well-justified.
Assess the quality of the plans for analysis, interpretation, and reporting of results.
Evaluate whether the investigators presented adequate plans to address relevant biological variables, such as sex or age, in the design, analysis, and reporting.
For applications involving human subjects or vertebrate animals, also evaluate:the rigor of the intervention or study manipulation (if applicable to the study design).
whether outcome variables are justified.
whether the results will be generalizable or, in the case of a rare disease/special group, relevant to the particular subgroup.
whether the study population appropriately models the target population.

For applications involving human subjects, including clinical trials, assess the adequacy of inclusion plans as appropriate for the scientific goals of the research. Considerations of appropriateness may include disease/condition/behavior incidence, prevalence, or population burden, population representation, and/or current state of the science.

Feasibility:

Evaluate whether the proposed approach is sound and achievable, including plans to address problems or new challenges that emerge in the work. For proposed studies in which feasibility may be less certain, evaluate whether the uncertainty is balanced by the potential for major advances.
For applications involving human subjects, including clinical trials, evaluate the adequacy and feasibility of the plan to recruit and retain a study population that appropriately models the target population. Additionally, evaluate the likelihood of successfully achieving the proposed enrollment based on age, race, ethnicity, and sex.
For clinical trial applications, evaluate whether the study timeline and milestones are feasible.
Specific to this NOFO:
Assess whether the organization, infrastructures and approaches proposed for coordination across projects are likely to enable multi-modal data integration and achieve transparency and replicability.

Factor 3. Expertise and Resources (Investigator(s) and Environment)

Investigator(s)
Evaluate whether the investigator(s) have demonstrated background, training, and expertise, as appropriate for their career stage, to conduct the proposed work.
For Multiple Principal Investigator (MPI) applications, assess the quality of the leadership plan to facilitate coordination and collaboration.

Environment Evaluate whether the institutional resources are appropriate to ensure the successful execution of the proposed work.

Additional Review Criteria

As applicable for the project proposed, reviewers will consider the following additional items while determining scientific and technical merit, but will not give criterion scores for these items, and should consider them in providing an overall impact score.

Protections for Human Subjects

For research that involves human subjects but does not involve one of the categories of research that are exempt under 45 CFR Part 46, evaluate the justification for involvement of human subjects and the proposed protections from research risk relating to their participation according to the following five review criteria: 1) risk to subjects; 2) adequacy of protection against risks; 3) potential benefits to the subjects and others; 4) importance of the knowledge to be gained; and 5) data and safety monitoring for clinical trials.

For research that involves human subjects and meets the criteria for one or more of the categories of research that are exempt under 45 CFR Part 46, evaluate: 1) the justification for the exemption; 2) human subjects involvement and characteristics; and 3) sources of materials. For additional information on review of the Human Subjects section, please refer to the Guidelines for the Review of Human Subjects.

This NOFO only accepts applications that do not propose clinical trials. Note: Applications may propose activities involving human subjects that are not deemed clinical trials.

Vertebrate Animals

When the proposed research includes Vertebrate Animals, evaluate the involvement of live vertebrate animals according to the following criteria: (1) description of proposed procedures involving animals, including species, strains, ages, sex, and total number to be used; (2) justifications for the use of animals versus alternative models and for the appropriateness of the species proposed; (3) interventions to minimize discomfort, distress, pain and injury; and (4) justification for euthanasia method if NOT consistent with the AVMA Guidelines for the Euthanasia of Animals. For additional information on review of the Vertebrate Animals section, please refer to the Worksheet for Review of the Vertebrate Animals Section.

Biohazards

When the proposed research includes Biohazards, evaluate whether specific materials or procedures that will be used are significantly hazardous to research personnel and/or the environment, and whether adequate protection is proposed.

Resubmissions

As applicable, evaluate the full application as now presented.

Renewals

As applicable, evaluate the progress made in the last funding period.

Revisions

As applicable, evaluate the appropriateness of the proposed expansion of the scope of the project.

Additional Review Considerations

As applicable for the project proposed, reviewers will consider each of the following items, but will not give scores for these items, and should not consider them in providing an overall impact score.

Authentication of Key Biological and/or Chemical Resources

For projects involving key biological and/or chemical resources, evaluate the brief plans proposed for identifying and ensuring the validity of those resources.

Budget and Period of Support

Evaluate whether the budget and the requested period of support are fully justified and reasonable in relation to the proposed research.

2. Review and Selection Process

Applications will be evaluated for scientific and technical merit by (an) appropriate Scientific Review Group(s) convened by the Center for Scientific Review (CSR), in accordance with NIH peer review policy and procedures, using the stated review criteria. Assignment to a Scientific Review Group will be shown in the eRA Commons.

As part of the scientific peer review, all applications will receive a written critique.

Applications may undergo a selection process in which only those applications deemed to have the highest scientific and technical merit (generally the top half of applications under review) will be discussed and assigned an overall impact score.

Requests for reconsideration of initial peer review will not be accepted for applications submitted in response to this NOFO.

Applications will be assigned to the appropriate NIH Institute or Center. Applications will compete for available funds with all other recommended applications submitted in response to this NOFO. Following initial peer review, recommended applications will receive a second level of review by the appropriate national Advisory Council on Drug Abuse. The following will be considered in making funding decisions:
Scientific and technical merit of the proposed project as determined by scientific peer review.
Availability of funds.
Relevance of the proposed project to program priorities.

If the application is under consideration for funding, NIH will request "just-in-time" information from the applicant as described in the NIH Grants Policy Statement Section 2.5.1. Just-in-Time Procedures. This request is not a Notice of Award nor should it be construed to be an indicator of possible funding.

Prior to making an award, NIH reviews an applicant's federal award history in SAM.gov to ensure sound business practices. An applicant can review and comment on any information in the Responsibility/Qualification records available in SAM.gov. NIH will consider any comments by the applicant in the Responsibility/Qualification records in SAM.gov to ascertain the applicant's integrity, business ethics, and performance record of managing Federal awards per 2 CFR Part 200.206 "Federal awarding agency review of risk posed by applicants." This provision will apply to all NIH grants and cooperative agreements except fellowships.

3. Anticipated Announcement and Award Dates After the peer review of the application is completed, the PD/PI will be able to access his or her Summary Statement (written critique) via the eRA Commons. Refer to Part 1 for dates for peer review, advisory council review, and earliest start date.

Information regarding the disposition of applications is available in the NIH Grants Policy Statement Section 2.4.4 Disposition of Applications.

Section VI. Award Administration Information

1. Award Notices A Notice of Award (NoA) is the official authorizing document notifying the applicant that an award has been made and that funds may be requested from the designated HHS payment system or office. The NoA is signed by the Grants Management Officer and emailed to the recipient's business official.

In accepting the award, the recipient agrees that any activities under the award are subject to all provisions currently in effect or implemented during the period of the award, other Department regulations and policies in effect at the time of the award, and applicable statutory provisions.

Recipients must comply with any funding restrictions described in Section IV.6. Funding Restrictions. Any pre-award costs incurred before receipt of the NoA are at the applicant's own risk. For more information on the Notice of Award, please refer to the NIH Grants Policy Statement Section 5. The Notice of Award and NIH Grants & Funding website, see Award Process.

Institutional Review Board or Independent Ethics Committee Approval: Recipient institutions must ensure that protocols are reviewed by their IRB or IEC. To help ensure the safety of participants enrolled in NIH-funded studies, the recipient must provide NIH copies of documents related to all major changes in the status of ongoing protocols.

2. Administrative and National Policy Requirements The following Federal wide and HHS-specific policy requirements apply to awards funded through NIH:

The rules listed at 2 CFR Part 200, Uniform Administrative Requirements, Cost Principles, and Audit Requirements for Federal Awards.
All NIH grant and cooperative agreement awards include the NIH Grants Policy Statement as part of the terms and conditions in the Notice of Award (NoA). The NoA includes the requirements of this NOFO. For these terms of award, see the NIH Grants Policy Statement Part II: Terms and Conditions of NIH Grant Awards, Subpart A: General and Part II: Terms and Conditions of NIH Grant Awards, Subpart B: Terms and Conditions for Specific Types of Grants, Recipients, and Activities.

All federal statutes and regulations relevant to federal financial assistance, including those highlighted in NIH Grants Policy Statement Section 4 Public Policy Requirements, Objectives…

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