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Special NoticeAmendment 2

Area of Interest under PHO ISO: ASCENT-IBO

ADVANCED RESEARCH PROJECTS AGENCY FOR HEALTH (ARPA-H)

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Response status

Due in 48 days

Oct 15, 2026, 9:00 PM UTC

Responses remain open.

Posted
Aug 5, 2026
Archive date
Oct 16, 2026
SAM status
Active

Answer-first brief

What the source record says

  • ADVANCED RESEARCH PROJECTS AGENCY FOR HEALTH (ARPA-H) published this special notice.
  • The notice uses NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)).

Procurement identity

Notice ID
844c5c24112a40299cf403ea8fc083c2
Solicitation
ARPA-H-SN-26-158
Base type
Solicitation
Version
2 of 2

Solicitation facts

Structured fields from the current SAM notice version. A dash means the source did not publish a value.

Notice type
Special Notice
Solicitation number
ARPA-H-SN-26-158
NAICS
541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
PSC
AN13 — HEALTH R&D SERVICES; HEALTH CARE SERVICES; EXPERIMENTAL DEVELOPMENT
Set-aside
—
Set-aside code
—
Posted
Aug 5, 2026
Responses due
Oct 15, 2026, 9:00 PM UTC
Archive date
Oct 16, 2026
Archive type
autocustom
Base type
Solicitation
Organization type
OFFICE
Benchmark category
—
Category confidence
—
Category source
—
Last seen
Aug 29, 2026

Buyer and place

Office hierarchy and place of performance as published.

Department
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
Department code
—
Subagency
National Institutes of Health
Subagency code
—
Office
ADVANCED RESEARCH PROJECTS AGENCY FOR HEALTH (ARPA-H)
Organization path
—
Organization path codes
—
Office address
Washington, DC, 20005, USA
Place of performance
—
City code
—
State
—
State code
—
Postal code
—
Country
—

Points of contact

Contact details from the current notice version.

Notice description

Source text reproduced without an AI summary.

See attached Special Notice ARPA-H-SN-26-158: Accelerating Safe Clinical Evaluation of Novel Treatments: Ibogaine for Better outcomes in OUD (ASCENT-IBO) This Special Notice builds upon ARPA-H-SN-26-156 and includes details related to a Proposers� Day event.

Comparable award range

Historical award values for work matched by the fixed rubric—not an estimate of this opportunity.

No past awards scored highly enough to form a comparable range.

Comparable awards

The match score is decomposed so each comparison can be challenged.

No comparable awards are attached to this notice.

Amendment history

A version is preserved whenever the normalized notice contents change.

VersionNotice typeObservedResponses dueContent hash
1Special NoticeAug 10, 2026Oct 15, 2026, 9:00 PM UTC7641d03c6804876f
2Special NoticeAug 28, 2026Oct 15, 2026, 9:00 PM UTC25d63c585cd09c2b

Record provenance

Field-level lineage for the current opportunity version.

FieldSourceSource as ofParserTransform
agency_nameSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
archive_dateSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
archive_typeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
base_typeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
contactsSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
country_codeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
descriptionSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
naics_codeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
notice_idSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
notice_typeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
office_citySAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
office_country_codeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
office_nameSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
office_postal_codeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
office_state_codeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
organization_typeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
posted_dateSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
psc_codeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
response_deadlineSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
sam_urlSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
solicitation_numberSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
subagency_nameSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
titleSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
upstream_activeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3

Sources and method

Figures on this page are computed from public federal award records. Numbers are never estimated or generated; where a figure is withheld, the reason is stated rather than filled in.

  1. 1Notice fields come from the SAM.gov contract opportunities record last seen Aug 29, 2026. SAM.gov remains authoritative.

Note 1 covers the solicitation record. No synthetic FAQ or inferred solicitation value is published.

Area of Interest under PHO ISO: ASCENT-IBO — federal contract opportunity · BidBenchmark