- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03418831
Adjunctive Selective Estrogen Receptor Modulators on Negative and Cognitive Symptoms of Schizophrenia in Women
Selective Estrogen Receptor Modulators - Adjunctive Treatment for Negative and Cognitive Symptoms of Schizophrenia in Postmenopausal Women
The aim of the project is to assess the efficacy of Adjunctive Selective Estrogen Receptor Modulators (Raloxifene) on Negative and Cognitive symptoms of Schizophrenia in Postmenopausal Women.
For postmenopausal women with schizophrenia, current research suggests that these people can be treated with estrogen, which can reduce cardiovascular and reproductive tissue problems, help sleep and improve mood. In addition, cognitive problems in this group of people can also be helped. Raloxifene is a Selective Estrogen Receptor Modulator (SERM), which means that it can affect the central nervous system (CNS) effects of estrogen (eg. improving emotional symptoms, memory, information processing and concentration), without adversely affecting reproductive tissue/organs such as breast, uterus and ovaries. The investigators are conducting a double-blind, placebo controlled, 12 weeks study comparing the negative symptoms and cognitive functions in postmenopausal women with schizophrenia in both groups. One group will receive clozapine plus 60mg Raloxifene (Usage: take 60mg Raloxifene tablets half an hour after breakfast every day, that is, take 1 tablet a day), while the second group will receive clozapine plus oral placebo (Usage: take 1 placebo half an hour after breakfast every day).
Hypothesis 1: Adjuvant raloxifene therapy in postmenopausal women with schizophrenia can improve negative symptoms, as measured on the rating scales, compared with the women receiving adjunctive placebo.
Hypothesis 2: The cognitive function of postmenopausal female schizophrenic patients treated with raloxifene would be better than that of the placebo group.
Hypothesis 3: That the Raloxifene group has less adverse reactions in postmenopausal women with schizophrenia.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Schizophrenia is a mental illness with unknown cause and difficult treatment which the global lifetime prevalence rate of about 1%. The core symptoms of schizophrenia include positive symptoms, negative symptoms, and impairment of cognitive function. Positive symptoms in most patients after antipsychotic treatment can significantly alleviate after antipsychotic treatment, but negative symptoms and cognitive deficits persist. Unfortunately, the long-term prognosis and social function of patients mainly depend on the degree of the rehabilitation of negative symptoms and cognitive function. At present, clinical research domestic and overseas on the negative symptoms and cognitive function gradually increased, but end up with the poor consistency of research results. The reason is various, but in any case, improving the treatment strategy is still very important.
Epidemiological data suggest that the age of onset of female schizophrenia is later than men, most of which are onset abruptly, and females have higher susceptibility to mental illness and relapse during the two important periods with hormonal changes. The first is in the postpartum, menopause is the second. It may be related to the lack of estrogen function. Therefore, we believe that the onset and symptoms of some female patients with schizophrenia are related to the dysfunction of estrogen. Many studies abroad have found that estrogen and selective estrogen receptor modulators have significant effects on female patients with schizophrenia, especially on negative symptoms and cognitive functions, but the clinical application is limited due to the potential side effects of estrogen.
Raloxifene is the second generation of selective estrogen receptor modulator, for the prevention and treatment of osteoporosis in postmenopausal women, which can significantly reduce the incidence of vertebral fractures. The common adverse drug reaction is slight increase in hot flash and leg cramps, and the most serious adverse drug reaction is venous thromboembolism. Past research has found that raloxifene can reduce the risk of decline in memory and attention, and taking raloxifene helps sleep. Current research suggests that as an adjuvant therapy, it can improve symptoms of menopausal women with schizophrenia (emotional symptoms, memory, information processing and storage), and will not negatively affect reproductive tissues or organs, such as breast, uterus and ovary.
According to the domestic and overseas research results, and based on the theoretical background of schizophrenia in estrogen insufficiency, we proposed randomized double-blind placebo-controlled study, in order to understand the effect of raloxifene on negative symptoms and cognitive function in adjuvant treatment of menopausal female patients with schizophrenia, meanwhile assess the adverse reactions after the treatment, provide the basis for clinical treatment of schizophrenia patients with negative symptoms and cognitive impairment.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
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Minhang
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Shanghai, Minhang, China, 201108
- China
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Outpatient or inpatient, aged more than 45 years, postmenopausal female (menopause for more than one year)
- International Classification of Diseases, Tenth Revision, diagnosis of schizophrenia
- Continue to receive antipsychotic clozapine for more than 2 years with a stable dose of at least one month
- Negative symptoms scale >20 in PANSS, and a score of 4 (moderate) or more on one or more of N1-N7, and within two weeks before intervention, the total score of negative symptom factors improved by no more than 10%
- Able to give informed consent
Exclusion Criteria:
- Participating in other clinical studies
- Previous use of raloxifene intolerable
- Hormone related endocrine disease
- Acute liver disease
- thrombotic disease
- Estrogen dependent tumor
- Hyperthyreosis
- Severe cardiac dysfunction or renal disease
- Diabetes mellitus
- Abnormal uterine bleeding or cerebrovascular accident
- Hormone replacement therapy
- using mood stabilizer
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: DOUBLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
ACTIVE_COMPARATOR: Raloxifene
Raloxifene Hydrochloride
|
60 mg per capsule (1 tablet daily) for 12 weeks
Other Names:
|
PLACEBO_COMPARATOR: Placebo
placebo tablet
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1 tablet daily for 12 weeks
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Response in negative symptoms
Time Frame: baseline, week 4, 8, 12
|
A response in negative symptoms was defined as improvement of ≥20% compared with baseline PANSS negative score (12 weeks)
|
baseline, week 4, 8, 12
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Clinical Assessment Interview for Negative Symptoms(CAINS)
Time Frame: baseline, week 4, 8, 12
|
The CAINS is a scale of the clinical assessment interview for negative symptoms of schizophrenia.The CAINS includes 16 items covering motivation and pleasure across social (five items), vocational (three items), and recreational life (three items) domains, as well as emotion expression and speech (five items).All items were rated on a scale of 0-4, with higher scores reflecting greater impairment.
|
baseline, week 4, 8, 12
|
Scale for the Assessment of Negative Symptoms (SANS)
Time Frame: baseline, week 4, 8, 12
|
The SANS are the most widely used symptom rating scales in schizophrenia research.
SANS Total (Composite) score = sum(of SANS items 1-7, 9-12, 14-16, 18-21, and 23-24).The total range is from 0-120 scores.
|
baseline, week 4, 8, 12
|
Repeatable Battery for the Assessment of Neuropsychological Status(RBANS)
Time Frame: baseline, week 12
|
The RBANS is a brief cognitive screening battery consisting of 12 subtests which are used to create Index scores in the following five cognitive domains: Immediate Memory, Visuospatial/Constructional Skills, Language, Attention, and Delayed Memory.
A total score is created by summing the five index cores which are thought to represent one's current neuropsychological status.
|
baseline, week 12
|
Hormone level change
Time Frame: baseline, week 4, 8, 12
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Hormone level change over study duration (12 weeks)
|
baseline, week 4, 8, 12
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Mental Disorders
- Nervous System Diseases
- Neurologic Manifestations
- Schizophrenia Spectrum and Other Psychotic Disorders
- Schizophrenia
- Neurobehavioral Manifestations
- Physiological Effects of Drugs
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Hormone Antagonists
- Bone Density Conservation Agents
- Estrogen Antagonists
- Selective Estrogen Receptor Modulators
- Estrogen Receptor Modulators
- Raloxifene Hydrochloride
Other Study ID Numbers
- 2017-YJ-01
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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