Extension Study of Pimavanserin in Subjects With Major Depressive Disorder and Inadequate Response to Antidepressant Treatment
A 52-Week Open-Label Extension Study of Pimavanserin in Subjects With Major Depressive Disorder and Inadequate Response to Antidepressant Treatment
Sponsor: ACADIA Pharmaceuticals Inc.
Terminated
The study was terminated for business reasons and not due to safety concerns.
Other terminated trials from ACADIA Pharmaceuticals Inc.
- Irritability Associated With Autism Spectrum Disorder · Phase PHASE2/PHASE3 · Feb 2025
- Schizophrenia · Phase PHASE3 · May 2024
- Rett Syndrome · Phase PHASE3 · Jun 2023
- Rett Syndrome · Phase PHASE2/PHASE3 · May 2023
- Osteoarthritis Pain · Phase PHASE2 · Nov 2022
More terminations from ACADIA Pharmaceuticals Inc.
A PHASE3 clinical study on Adjunctive Treatment of Major Depressive Disorder, this trial is terminated or withdrawn. The trial is conducted by ACADIA Pharmaceuticals Inc. and has accumulated 20 data snapshots since 2019. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.
Status Flow
Change History
20 versions recorded-
Sep 2025 — Present [monthly]
Terminated PHASE3
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Sep 2024 — Sep 2025 [monthly]
Terminated PHASE3
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Jul 2024 — Sep 2024 [monthly]
Terminated PHASE3
-
May 2022 — Jul 2024 [monthly]
Terminated PHASE3
-
Apr 2021 — May 2022 [monthly]
Terminated PHASE3
Status: Active Not Recruiting → Terminated
▶ Show 15 earlier versions
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Mar 2021 — Apr 2021 [monthly]
Active Not Recruiting PHASE3
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Jan 2021 — Mar 2021 [monthly]
Active Not Recruiting PHASE3
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Nov 2020 — Jan 2021 [monthly]
Active Not Recruiting PHASE3
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Sep 2020 — Nov 2020 [monthly]
Active Not Recruiting PHASE3
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Aug 2020 — Sep 2020 [monthly]
Active Not Recruiting PHASE3
Status: Recruiting → Active Not Recruiting
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May 2020 — Aug 2020 [monthly]
Recruiting PHASE3
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Apr 2020 — May 2020 [monthly]
Recruiting PHASE3
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Mar 2020 — Apr 2020 [monthly]
Recruiting PHASE3
-
Feb 2020 — Mar 2020 [monthly]
Recruiting PHASE3
-
Dec 2019 — Feb 2020 [monthly]
Recruiting PHASE3
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Nov 2019 — Dec 2019 [monthly]
Recruiting PHASE3
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Oct 2019 — Nov 2019 [monthly]
Recruiting PHASE3
-
Sep 2019 — Oct 2019 [monthly]
Recruiting PHASE3
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Aug 2019 — Sep 2019 [monthly]
Recruiting PHASE3
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Jul 2019 — Aug 2019 [monthly]
Recruiting PHASE3
First recorded
Jun 2019
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- ACADIA Pharmaceuticals Inc.
For direct contact, visit the study record on ClinicalTrials.gov .