COMPANY

ReacX Pharmaceuticals

HQ: South San Francisco, CA source · reacxpharma.com ↗ · West Coast

ReacX's drug delivery platform is designed to release drug continuously for six months or longer, depending on the drug. From company website Source · Oct 12, 2026

Keywords: drug delivery opioid use disorder Opioid Abuse and Addiction

Location: South San Francisco, CA · source · Oct 15, 2026

Profile checked Oct 10, 2026

1Trials (company is sponsor)2NIH grants

Funding and NIH signals

NIH award NIH awarded $3.45M (NIH grant 5UH3DA047707-04, continuation, notice Mar 4, 2026). NIH RePORTER 5UH3DA047707-04 (Mar 4, 2026)
Evidence (1 event)
- Mar 4, 2026 · NIH RePORTER 5UH3DA047707-04
  Organization: REACX PHARMACEUTICALS, INC.; City/State: SOUTH SAN FRANCISCO, CA; Project number: 5UH3DA047707-04; Activity code: UH3; Fiscal year: 2026; Award notice date: 2026-03-04; FY total cost (award amount): 3450000; Administering IC: National Institute on Drug Abuse; Project title: Nalmefene Implant for the Long-Term Treatment of Opioid Use Disorder; Organization type: Domestic For-Profits

Job counts as of Oct 18, 2026. All funding and NIH signals

Timeline

Feb 23, 2026 Trial start Phase 1: Nalmefene Implant in Healthy Subjects source ↗

Upcoming milestones

2026-12 (ESTIMATED) · Phase 1 · Nalmefene Implant in Healthy Subjects · NCT07325279

Estimated primary completion per ClinicalTrials.gov. Dates move.

Clinical trials (lead sponsor) 1

Record	Title	Phase	Status	Start	Primary completion
NCT07325279	Nalmefene Implant in Healthy Subjects	Phase 1	Recruiting	Feb 23, 2026	2026-12 (estimated)

NIH awards 2

Annual award amounts. Total $6.9M.

Mar 4, 2026 NIH award 5UH3DA047707-04 FY2026: $3,450,000 awarded for that fiscal year; activity UH3 (OTHER_NIH); PI PATEL, RAJESH A; recipient as written: REACX PHARMACEUTICALS, INC., SOUTH SAN FRANCISCO, CA. Nalmefene Implant f source ↗
Jan 23, 2025 NIH award 4UH3DA047707-03 FY2025: $3,450,000 awarded for that fiscal year; activity UH3 (OTHER_NIH); PI PATEL, RAJESH A; recipient as written: REACX PHARMACEUTICALS, INC., SOUTH SAN FRANCISCO, CA. Nalmefene Implant f source ↗