Active Solicitation · DEPARTMENT OF HEALTH AND HUMAN SERVICES

    Critical Illness Immunological Reprogramming and Control Point Learning Engine (CIRCLE) Innovative Solutions Opening (ISO)

    Sol. ARPA-H-SOL-26-139SolicitationSet-aside: No Set aside usedWashington, DC
    Open · 35d remaining
    DAYS TO CLOSE
    35
    closes May 28, 2026
    POSTED
    Mar 23, 2026
    Publication date
    NAICS CODE
    541715
    Primary industry classification
    PSC CODE
    AN13
    Product & service classification

    AI Summary

    The Advanced Research Projects Agency for Health (ARPA-H) is soliciting proposals for the Critical Illness Immunological Reprogramming and Control Point Learning Engine (CIRCLE) Program. This initiative aims to enhance ICU health outcomes by addressing immuno-inflammatory dysregulation. Proposals are due by May 28, 2026, with a Proposer's Day on March 11, 2026.

    Contract details

    Solicitation No.
    ARPA-H-SOL-26-139
    Notice Type
    Solicitation
    Set-Aside
    No Set aside used
    Posted Date
    March 23, 2026
    Response Deadline
    May 28, 2026
    NAICS Code
    541715AI guide
    PSC / Class Code
    AN13
    Contract Code
    7529
    State
    DC
    ZIP Code
    20005
    AI Product/Service
    service

    Description

    The Advanced Research Projects Agency for Health (ARPA-H) is posting this Innovative Solutions Opening (ISO) solicitation in support of the Critical Illness Immunological Reprogramming and Control Point Learning Engine (CIRCLE) Program. ARPA-H anticipates that multiple Other Transaction (OT) Agreements will result from this announcement. CIRCLE seeks to create a critical illness Control Point Validation Engine that leads to improvements in intensive care unit (ICU) health outcomes, coupled to reduced stay time and associated costs, by assessing, predicting, and treating immuno-inflammatory dysregulation before it causes organ failure. Interested parties are invited to review the attached CIRCLE ISO ARPA-H-SOL-26-139 and its Attachments A – F. Proposer's Day: Wednesday, March 11, 2026 (ARPA-H-SN-26-149) Solution Summaries Due: Monday, March 30, 2026, 1 PM ET (to https://solutions.arpa-h.gov) Questions Due: Friday, May 22, 2026, 1 PM ET (to https://solutions.arpa-h.gov/Ask-A-Question/) Full Proposals Due: Thursday, May 28, 2026, 1 PM ET (to https://solutions.arpa-h.gov) ARPA-H will not reimburse potential proposers for time and effort related to submission of solution summaries or proposals. When planning a response to this notice, proposers should consider that some parts of the submission process may take from one business day to one month to complete. -------------------------- Amendment 1 -------------------------- The purpose of this amendment is to: change the proposal submission date to Thursday, May 28, 2026 and replace Office of Commercialization (OC) with ARPA-H. -------------------------- Amendment 2 -------------------------- The purpose of this amendment is to provide revisions as highlighted in yellow in the attached documents.

    Key dates

    1. March 23, 2026Posted Date
    2. May 28, 2026Proposals / Responses Due

    AI search tags

    Frequently asked questions

    Critical Illness Immunological Reprogramming and Control Point Learning Engine (CIRCLE) Innovative Solutions Opening (ISO) is a federal acquisition solicitation issued by DEPARTMENT OF HEALTH AND HUMAN SERVICES. Review the full description, attachments, and submission requirements on SamSearch before the response deadline.

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