NCT05258123

Brief Summary

We investigated the effects of Ginkgo biloba extract on the symptoms and cognitive functioning in patients with schizophrenia

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
100

participants targeted

Target at P50-P75 for not_applicable schizophrenia

Timeline
Completed

Started May 2017

Shorter than P25 for not_applicable schizophrenia

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 15, 2017

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 12, 2018

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 15, 2018

Completed
3.5 years until next milestone

First Submitted

Initial submission to the registry

February 24, 2022

Completed
4 days until next milestone

First Posted

Study publicly available on registry

February 28, 2022

Completed
Last Updated

February 28, 2022

Status Verified

February 1, 2022

Enrollment Period

1.1 years

First QC Date

February 24, 2022

Last Update Submit

February 24, 2022

Conditions

Keywords

schizophreniaGinkgo biloba extractcognition

Outcome Measures

Primary Outcomes (2)

  • clinical symptoms

    symptoms assessed on PANSS

    12 weeks

  • cognitive functioning

    cognitive functioning assessed on RBANS

    12 weeks

Secondary Outcomes (1)

  • Side effects

    12 weeks

Study Arms (2)

active drug

ACTIVE COMPARATOR

A fixed titration to 360mg (or nine tables) daily of Ginkgo biloba extract was administered with three times daily dosage throughout the study

Drug: Ginkgo Biloba Extract

placebo

PLACEBO COMPARATOR

A nine tables of placebo were administered with three times daily dosage throughout the study

Drug: Placebo oral tablet

Interventions

Ginkgo biloba extract with 360mg was administered

active drug

Placebo with nine tables was administered

placebo

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Diagnosis of schizophrenia by two senior psychiatrists
  • Between 18 and 60 years and Han Chinese
  • Duration of symptoms at least 12 months
  • Current psychotic symptoms of moderate severity

You may not qualify if:

  • A Diagnostic and Statistical Manual of Mental Disorders IV Axis I diagnosis other than schizophrenia
  • Documented disease of physical diseases including, but not limited to stroke, tumor, Parkinson's disease, Huntington's disease, seizure, epilepsy, history of brain trauma;
  • Pregnant or breast-feeding female'
  • Subjects who suffered from alcohol or illegal durg abuse/dependence

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Beijing HuiLongGuan Hospital

Beijing, 100096, China

Location

Related Publications (3)

  • Montes P, Ruiz-Sanchez E, Rojas C, Rojas P. Ginkgo biloba Extract 761: A Review of Basic Studies and Potential Clinical Use in Psychiatric Disorders. CNS Neurol Disord Drug Targets. 2015;14(1):132-49. doi: 10.2174/1871527314666150202151440.

    PMID: 25642989BACKGROUND
  • Zheng W, Xiang YQ, Ng CH, Ungvari GS, Chiu HF, Xiang YT. Extract of Ginkgo biloba for Tardive Dyskinesia: Meta-analysis of Randomized Controlled Trials. Pharmacopsychiatry. 2016 May;49(3):107-11. doi: 10.1055/s-0042-102884. Epub 2016 Mar 15.

    PMID: 26979525BACKGROUND
  • Zhang WF, Tan YL, Zhang XY, Chan RC, Wu HR, Zhou DF. Extract of Ginkgo biloba treatment for tardive dyskinesia in schizophrenia: a randomized, double-blind, placebo-controlled trial. J Clin Psychiatry. 2011 May;72(5):615-21. doi: 10.4088/JCP.09m05125yel. Epub 2010 Sep 21.

    PMID: 20868638BACKGROUND

MeSH Terms

Conditions

Schizophrenia

Interventions

Ginkgo biloba extract

Condition Hierarchy (Ancestors)

Schizophrenia Spectrum and Other Psychotic DisordersMental Disorders

Study Officials

  • Xiang Y Zhang, M.D, Ph.D

    Institute of Psychology, Chinese Academy of Sciences

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

February 24, 2022

First Posted

February 28, 2022

Study Start

May 15, 2017

Primary Completion

June 12, 2018

Study Completion

August 15, 2018

Last Updated

February 28, 2022

Record last verified: 2022-02

Data Sharing

IPD Sharing
Will not share

Data with be available on request

Locations