Drug

Osavampator clinical trials

Also written TAK-653 and NBI-1065845.

studies test it: 9
open now: 5
in phase 3: 5
first study started: 2015

How each study uses osavampator is sorted by a rule, right about nine times in ten. Readers can ask us to read every study one by one.Ask us to read each study

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Approvals

The first approval found in each region, with its record

United States: Not in FDA's approval records
European Union: Not in EMA's list of EU-wide authorisations

From FDA's Drugs@FDA and Purple Book (through openFDA) and the European Medicines Agency, files of Sept 2026 and 27 Oct 2026. National approvals in Europe and other countries are not included. How this is worked out

How studies write it

Studies that test it under each name

Name

Osavampator: 1

Development codes

TAK-653: 8
NBI-1065845: 6

Studies by the year they started

9 studies that test it; most in 2025 (5)

Studies that test osavampator, by start year
Year	Studies
2015	1
2018	1
2019	1
2022	1
2025	5

By phase

A phase 1/2 study counts in both.

Phase 1: 2
Phase 2: 2
Phase 3: 5

What it is tested for

Each study’s main condition, where its own words name it, so a study counts once.

Depressive Disorder, Major: 6
Depressive Disorder: 1
Depressive Disorder, Treatment-Resistant: 1

Who runs them

Industry 9 · Other 0

Neurocrine Biosciences (8) · Millennium Pharmaceuticals, Inc. (1)

Coming up

From the study records. Dates are the sponsors’ own estimates and often move.

Reaching primary completion within a year · 3, 3 in phase 3

Studies that test osavampator, phase 3 first.

Jul 2027NBI-1065845-MDD3025: Study to Assess the Efficacy and Safety of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)Phase 3 · Neurocrine Biosciences
Jul 2027NBI-1065845-MDD3026: Study to Assess the Efficacy and Safety of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)Phase 3 · Neurocrine Biosciences
Jul 2027Study to Assess the Efficacy and Safety of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)Phase 3 · Neurocrine Biosciences

Studies

Open first, then newest update. How each study uses osavampator is read from its arms, and is right about nine times in ten. Ask us to read each study. These are the studies that list it as an intervention; a search of ClinicalTrials.gov also finds studies that mention it only in a description, such as earlier treatment.

Testing it · 9

Codes

What other systems call osavampator · ClinicalTrials.gg INT015851

UNII (FDA) 9E3TOE5RIZOSAVAMPATOROne source FDA
NCI Thesaurus C203197OsavampatorOne source FDA

System	Code	Name there	Checked by
UNII (FDA)	9E3TOE5RIZ	OSAVAMPATOR	One source FDA
NCI Thesaurus	C203197	Osavampator	One source FDA

“Confirmed” means two independent publishers link the code to this drug; “one source”, one does and its name agrees.