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Rolling·Ingested 5 days ago, not re-verified since. Deadlines can change; confirm on the official page.

Preclinical Assessment of Naloxone Adequacy to Reverse Polysubstance Use-Induced Respiratory Depression - In Vivo Validation

HEALTH AND HUMAN SERVICES, DEPARTMENT OF

Presolicitation · not yet biddable. There is nothing to bid on yet: agencies use this notice type for market research or information. You can respond to get on their radar, but do not budget proposal time for it.
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Posted
Aug 27, 2026
Closes
Rolling, no fixed deadline

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At a glance

This is a government contract opportunity posted by HEALTH AND HUMAN SERVICES, DEPARTMENT OF in the research and development in biotechnology (except nanobiotechnology) category. Applications are accepted on a rolling basis.

Classification and identifiers

Industry (NAICS)
Research and Development in Biotechnology (except Nanobiotechnology) (541714)
Product or service (PSC)
Health R&D Services; Health Care Services; Applied Research (AN12)
Solicitation number
75F40126Q00382
Contracting office
FDA OFFICE OF ACQ GRANT SVCS

Who can apply

Location not specified

About this opportunity

Title: Preclinical Assessment of Naloxone Adequacy to Reverse Polysubstance Use-Induced Respiratory Depression — In Vivo Validation Agency: U.S. Food and Drug Administration (FDA) Notice Type: Presolicitation: Firm-Fixed Price DEA surveillance data show that street fentanyl is frequently adulterated with xylazine, d-methamphetamine, or alprazolam — each of which induces respiratory depression through a distinct mechanism. Approximately 80% of opioid overdose cases involve multiple drugs, yet naloxone — the primary FDA-approved reversal agent — was developed and tested for opioid-only scenarios. This mechanistic complexity creates uncertainty about naloxone's efficacy in polysubstance overdose and raises the question of what alternative or adjunct therapies may be needed. Drug-induced respi...

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