Study Stopped
Difficult to obtain informed consent
Efficacy and Safety of Metformin in Preventing Patients With Risperidone From Weight Gain and Amenorrhea
1 other identifier
interventional
N/A
1 country
1
Brief Summary
Some previous studies has demonstrated that Metformin can improve the weight gain which caused by antipsychotics. An our study, which will be published, also found that Metformin can improve the amenorrhea for patients with antipsychotics, approximately 60% patients recovery period. So the present study was designed to investigate the efficacy and safety of Metformin in preventing patients with Risperidone from weight gain and amenorrhea.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
Started Aug 2011
Typical duration for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 1, 2011
CompletedFirst Submitted
Initial submission to the registry
August 18, 2011
CompletedFirst Posted
Study publicly available on registry
August 26, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2013
CompletedStudy Completion
Last participant's last visit for all outcomes
August 1, 2013
CompletedAugust 2, 2012
July 1, 2012
1.5 years
August 18, 2011
July 31, 2012
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change from Baseline in weight at 24 weeks
The data will be presented
baseline, 8 week, 16 week, 24 week
Secondary Outcomes (1)
Change from Baseline in menstruation at 24 weeks
baseline, 4 week, 8 week, 12 week, 16 week, 20 week, 24 week
Study Arms (2)
efficacy and safety
EXPERIMENTALTo investigate the efficacy and safety of Metformin in preventing patients with Risperidone from weight gain and amenorrhea.
placebo comparator
PLACEBO COMPARATORTo investigate whether plcebo also could preventing patients with Risperidone from weight gain and amenorrhea.
Interventions
Eligibility Criteria
You may qualify if:
- age 18-40 years.
- diagnosis of schizophrenia (naive first-episode) as defined in DSM-IV axis I.
- At screening, patients were required to have total score ≥60 on Positive and Negative Syndrome Scale (PANSS) and ≥4 on the Clinical Global Impression-severity scale (CGI-S).
- treat with Risperidone.
- Never participate in a diet control nor in other weight loss programs, and have a normal Period.
- Written informed consents could be obtained from patients(or their Legal guardian).
You may not qualify if:
- Female patients, those who were in the period of pregnancy and lactation, or plan pregnancy, were excluded.
- Patients with serious physical disease patients, just like Epilepsy, liver and kidney dysfunction, diabetes, blood diseases, etc were excluded.
- At screening, patients with abnormal results in physical examination, laboratory test, or electrocardiogram (ECG) were excluded.
- Patients were also excluded if they met primary DSM-IV axis I psychiatric disorders other than schizophrenia, or ever used psychoactive substance.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Mental Health Institute of The Second Xiangya Hospital
Changsha, Hunan, 410011, China
Related Publications (1)
Wu RR, Zhao JP, Jin H, Shao P, Fang MS, Guo XF, He YQ, Liu YJ, Chen JD, Li LH. Lifestyle intervention and metformin for treatment of antipsychotic-induced weight gain: a randomized controlled trial. JAMA. 2008 Jan 9;299(2):185-93. doi: 10.1001/jama.2007.56-b.
PMID: 18182600BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
Jing-Ping Zhao, Dr., Ph.D.
Mental Health Institute of The Second Xiangya Hospital, Central South University
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor,Deputy Director of Mental Health Institute of The Second Xiangya Hospital
Study Record Dates
First Submitted
August 18, 2011
First Posted
August 26, 2011
Study Start
August 1, 2011
Primary Completion
February 1, 2013
Study Completion
August 1, 2013
Last Updated
August 2, 2012
Record last verified: 2012-07