Clinical trialNCT03437668TerminatedPhase 2/PHASE3Interventional

Adjunctive Withania Somnifera (Ashwagandha) for Persistent Symptoms in People With Schizophrenia

SponsorChengappa, K.N. Roy, MDEnrollment47Schizophrenia

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

To determine whether a standardized extract of Withania somnifera will reduce psychopathology scores (PANSS total score) in persons with schizophrenia. A secondary aim is to determine whether WSE reduces measures of positive and negative symptoms (PANSS subscales) and stress scores on the Perceived Stress Scale (PSS).

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Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

Stephen Marder, MD
Semel Inst at UCLA
Study ChairKOL profile →
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A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

2 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

Ucla
Los Angeles, California, United States
Maryland Psychiatric Research Center
Catonsville, Maryland, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

PlaceboWSE

Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 1 Dec 2018
Primary completion: 12 Jun 2023
Completion: 12 Jun 2023
Last update posted: 8 Oct 2024
Registered enrollment: 47
Registry id: NCT03437668

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.