Efficacy, Safety, and Tolerability of SPD489 in Adults With Schizophrenia and Predominant Negative Symptoms
2021年5月25日 更新者:Shire
A Phase 2, Multicenter Study With Open-label & Randomized Double-blind Placebo-controlled Withdrawal Phases to Evaluate the Efficacy, Safety, & Tolerability of SPD489 in Adults With Schizophrenia & Predominant Negative Symptoms Who Are Clinically Stable & Taking Stable Doses of Atypical Antipsychotic Medication
To explore the efficacy of SPD489, as adjunctive therapy to a stable dose of atypical antipsychotic medication, on negative symptoms in adult subjects with clinically stable schizophrenia and predominant negative symptoms, as measured by the Scale for the Assessment of Negative Symptoms (SANS).
研究概览
地位
完全的
条件
研究类型
介入性
注册 (实际的)
92
阶段
- 阶段2
联系人和位置
本节提供了进行研究的人员的详细联系信息,以及有关进行该研究的地点的信息。
学习地点
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Arkansas
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Little Rock、Arkansas、美国、72201
- K&S Professional Research Services
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California
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Anaheim、California、美国、92805
- Omega Clinical Trials
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Anaheim、California、美国、92804
- South Coast Clinical Trials
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Costa Mesa、California、美国、92626
- Clinical Innovations
-
Garden Grove、California、美国、92845
- Collaborative Neuroscience Network, Inc.
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Long Beach、California、美国、90813
- Apostle Clinical Trials, Inc.
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Oceanside、California、美国、92056
- Excell Research, Inc.
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San Bernardino、California、美国、92405
- Southcoast Clinical Trials
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San Diego、California、美国、92123
- Artemis Institute for Clinical Research
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San Diego、California、美国、92108
- Affiliated Research Institute
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San Diego、California、美国、92102
- CNRI San Diego & Los Angeles
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Santa Ana、California、美国、92701
- Neuropsychiatric Research Center of Orange County
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Florida
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Kissimmee、Florida、美国、34741
- Accurate Clinical Trials
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Lauderhill、Florida、美国、33319
- Behavioral Clinical Research, Inc
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North Miami、Florida、美国、33161
- Segal Institute for Clinical Research (Miami)
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Orange City、Florida、美国、32763
- Medical Research Group of Central Florida
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Tampa、Florida、美国、33613
- Stedman Clinical Trials
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Georgia
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Atlanta、Georgia、美国、30328
- Comprehensive Neuroscience
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Illinois
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Chicago、Illinois、美国、60640
- Uptown Research Institute
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Louisiana
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Shreveport、Louisiana、美国、71104
- J. Gary Booker, MD, APMC
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New Jersey
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Willingboro、New Jersey、美国、08046
- CRI Worldwide, LLC.
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New York
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Elmsford、New York、美国、10523
- Advanced Bio-Behavioral Sciences
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Hollis、New York、美国、11423
- Comprehensive NeuroScience, Inc.
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Ohio
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Cincinnati、Ohio、美国、45219
- University of Cincinnati
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Pennsylvania
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Philadelphia、Pennsylvania、美国、19139
- CRI Worldwide
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Texas
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Austin、Texas、美国、78756
- Community Clinical Research, Inc.
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Irving、Texas、美国、75062
- University Hills Clinical Research
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参与标准
研究人员寻找符合特定描述的人,称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。
资格标准
适合学习的年龄
18年 至 55年 (成人)
接受健康志愿者
不
有资格学习的性别
全部
描述
Inclusion Criteria:
- Adults aged 18-55
- Clinically stable Schizophrenia and predominant negative symptoms
- Taking a stable dose of antipsychotic medication
Exclusion Criteria:
- Clinically notable positive symptoms defined by PANSS
学习计划
本节提供研究计划的详细信息,包括研究的设计方式和研究的衡量标准。
研究是如何设计的?
设计细节
- 主要用途:治疗
- 分配:随机化
- 介入模型:并行分配
- 屏蔽:四人间
武器和干预
参与者组/臂 |
干预/治疗 |
|---|---|
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安慰剂比较:安慰剂
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oral, once daily
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实验性的:SPD489(Lisdexamfetamine dimesylate)
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oral, 20, 30, 40, 50, 60, or 70 mg once daily
其他名称:
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研究衡量的是什么?
主要结果指标
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Change From Open-label Baseline in Modified Scale for the Assessment of Negative Symptoms (SANS-18) Total Score at Week 10 Open-label Phase, Last Observation Carried Forward (LOCF)
大体时间:Open-label Baseline and Week 10 Open-label Phase
|
The SANS was modified by eliminating the global and attention items; the score of the remaining non-global items is referred to as the SANS-18 total score.
Each of the 18-items is scored on a scale from 0 (not at all) to 5 (severe) with a total scoring range of 0 to 90.
Higher scores indicate more impairment.
|
Open-label Baseline and Week 10 Open-label Phase
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|
Change From Double-blind Randomization Baseline in SANS-18 Total Score at Week 4 Double-blind Phase, Termination Observation Carried Forward (TOCF)
大体时间:Double-blind Randomization Baseline and Week 4 Double-blind Phase
|
The SANS was modified by eliminating the global and attention items; the score of the remaining non-global items is referred to as the SANS-18 total score.
Each of the 18-items is scored on a scale from 0 (not at all) to 5 (severe) with a total scoring range of 0 to 90.
Higher scores indicate more impairment.
|
Double-blind Randomization Baseline and Week 4 Double-blind Phase
|
次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Percent of Participants In Open-label Phase Who Were SANS-18 Responders at Week 10 Open-label Phase
大体时间:Week 10 Open-label Phase
|
Response is defined as reduction in total SANS score of greater than or equal to 20%.
The SANS was modified by eliminating the global and attention items; the score of the remaining non-global items is referred to as the SANS-18 total score.
Each of the 18-items is scored on a scale from 0 (not at all) to 5 (severe) with a total scoring range of 0 to 90.
Higher scores indicate more impairment.
|
Week 10 Open-label Phase
|
|
Percent of Participants In Double-blind Phase Who Maintained SANS-18 Response at Week 4 Double-blind Phase
大体时间:Week 4 Double-blind Phase
|
Response is defined as reduction in total SANS score of greater than or equal to 20%.
The SANS was modified by eliminating the global and attention items; the score of the remaining non-global items is referred to as the SANS-18 total score.
Each of the 18-items is scored on a scale from 0 (not at all) to 5 (severe) with a total scoring range of 0 to 90.
Higher scores indicate more impairment.
|
Week 4 Double-blind Phase
|
|
Change From Open-label Baseline in SANS Global Scores at Week 10 Open-label Phase
大体时间:Open-label Baseline and Week 10 Open-label Phase
|
The SANS assesses 5 symptom complexes to rate the negative symptoms of subjects.
Each of the 18-items is scored on a scale from 0 (not at all) to 5 (severe) with a total scoring range of 0 to 90.
Higher scores indicate more impairment.
|
Open-label Baseline and Week 10 Open-label Phase
|
|
Change From Double-blind Randomization Baseline in SANS Global Scores at Week 4 Double-blind Phase
大体时间:Double-blind Randomization Baseline and Week 4 Double-blind Phase
|
The SANS assesses 5 symptom complexes to rate the negative symptoms of subjects.
Each of the 18-items is scored on a scale from 0 (not at all) to 5 (severe) with a total scoring range of 0 to 90.
Higher scores indicate more impairment.
|
Double-blind Randomization Baseline and Week 4 Double-blind Phase
|
|
Change From Open-label Baseline in Positive and Negative Syndrome Scale (PANSS) Scores at Week 10 Open-label Phase, LOCF
大体时间:Open-label Baseline and Week 10 Open-label Phase
|
The PANSS is a validated measure that evaluates the presence, absence, and severity of 30 symptoms of schizophrenia including both positive and negative symptoms and general psychopathology.
Each of the 30-items are rated on a scale of 1 (absent) to 7 (extreme) with a total scoring range of 30 to 210.
Higher scores indicate more impairment.
|
Open-label Baseline and Week 10 Open-label Phase
|
|
Change From Double-blind Randomization Baseline in PANSS Scores at Week 4 Double-blind Phase, TOCF
大体时间:Double-blind Randomization Baseline and Week 4 Double-blind Phase
|
The PANSS is a validated measure that evaluates the presence, absence, and severity of 30 symptoms of schizophrenia including both positive and negative symptoms and general psychopathology.
Each of the 30-items are rated on a scale of 1 (absent) to 7 (extreme) with a total scoring range of 30 to 210.
Higher scores indicate more impairment.
|
Double-blind Randomization Baseline and Week 4 Double-blind Phase
|
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Percent of Participants With Clinical Global Impression - Severity of Illness (CGI-S) at Open-label Baseline
大体时间:Open-label Baseline
|
CGI-S assesses the severity of the subject's condition on a 7-point scale ranging from 1 (normal, not at all ill) to 7 (among the most extremely ill)
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Open-label Baseline
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Percent of Participants With CGI-S at Week 10 Open-label Phase
大体时间:Week 10 Open-label Phase
|
CGI-S assesses the severity of the subject's condition on a 7-point scale ranging from 1 (normal, not at all ill) to 7 (among the most extremely ill)
|
Week 10 Open-label Phase
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Percent of Participants With CGI-S at Double-blind Randomization Baseline
大体时间:Double-blind Randomization Baseline
|
CGI-S assesses the severity of the subject's condition on a 7-point scale ranging from 1 (normal, not at all ill) to 7 (among the most extremely ill)
|
Double-blind Randomization Baseline
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Percent of Participants With CGI-S at Week 4 Double-blind Phase
大体时间:Week 4 Double-blind Phase
|
CGI-S assesses the severity of the subject's condition on a 7-point scale ranging from 1 (normal, not at all ill) to 7 (among the most extremely ill)
|
Week 4 Double-blind Phase
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Percent of Participants With Improvement on Clinical Global Impression - Change (CGI-C) at Week 10 Open-label Phase
大体时间:Open-label Phase Week 10
|
CGI-C permits a global evaluation of the change of the subject's overall schizophrenia condition over time.
It consists of a 7-point scale ranging from 1 (very much improved) to 7 (very much worse).
Improvement is defined as a score of 1 (very much improved) or 2 (much improved) on the scale.
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Open-label Phase Week 10
|
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Percent of Participants With Improvement on CGI-C at Week 4 Double-blind Phase
大体时间:Double-blind Phase Week 4
|
CGI-C permits a global evaluation of the change of the subject's overall schizophrenia condition over time.
It consists of a 7-point scale ranging from 1 (very much improved) to 7 (very much worse).
Improvement is defined as a score of 1 (very much improved) or 2 (much improved) on the scale.
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Double-blind Phase Week 4
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Change From Open-label Baseline in the Brief Assessment of Cognition in Schizophrenia (BACS) Total Score at Week 10 Open-label Phase
大体时间:Open-label Baseline and week 10 Open-label Phase
|
BACS measures attention and speed of processing, and the test score is the total number correct.
The measure of the test is the number of correct numerals where subjects write numerals 1-9 as matches to nonmeaningful symbols on a response sheet for 90 seconds, based upon a key provided to them.
|
Open-label Baseline and week 10 Open-label Phase
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Change From Double-blind Randomization Baseline in BACS Total Score at Week 4 Double-blind Phase
大体时间:Double-blind Randomization Baseline and Week 4
|
BACS measures attention and speed of processing, and the test score is the total number correct.
The measure of the test is the number of correct numerals where subjects write numerals 1-9 as matches to nonmeaningful symbols on a response sheet for 90 seconds, based upon a key provided to them.
|
Double-blind Randomization Baseline and Week 4
|
|
Change From Open-label Baseline in Letter-Number Span Test (LNS) Total Score at Week 10 Open-label Phase
大体时间:Open-label Baseline and week 10 Open-label Phase
|
LNS is a test of verbal working memory.
Subjects are presented with a sequence of numbers and letters aurally and then asked to tell the rater the numbers first from lowest to highest followed by the letters in alphabetical sequence.
The measure is the number of correct sequences.
|
Open-label Baseline and week 10 Open-label Phase
|
|
Change From Double-blind Randomization Baseline in LNS Total Score at Week 4 Double-blind Phase
大体时间:Double-blind Randomization Baseline and Week 4
|
LNS is a test of verbal working memory.
Subjects are presented with a sequence of numbers and letters aurally and then asked to tell the rater the numbers first from lowest to highest followed by the letters in alphabetical sequence.
The measure is the number of correct sequences.
|
Double-blind Randomization Baseline and Week 4
|
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Change From Open-label Baseline in Hopkins Verbal Learning Test - Revised (HVLT-R) Total Score at Week 10 Open-label Phase
大体时间:Open-label Baseline and Week 10
|
HVLT-R measures verbal learning.
Test scores are the total number of words recalled correctly over 3 trials.
The test consists of 12 nouns read aloud for 3 consecutive trials and each trial is followed by a recall test.
|
Open-label Baseline and Week 10
|
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Change From Double-blind Randomization Baseline in HVLT-R Total Scores at Week 4 Double-blind Phase
大体时间:Double-blind Randomization Baseline and week 4 Double-blind Phase
|
HVLT-R measures verbal learning.
Test scores are the total number of words recalled correctly over 3 trials.
The test consists of 12 nouns read aloud for 3 consecutive trials and each trial is followed by a recall test.
|
Double-blind Randomization Baseline and week 4 Double-blind Phase
|
|
Change From Open-label Baseline in University of California Performance-Based Skills Assessment, Brief Version (UPSA-B) Scores at Week 10 Open-label Phase, LOCF
大体时间:Open-label Baseline and week 10 Open-label Phase
|
UPSA-B assesses skills in 5 areas of life functioning.
It contains 2 subscales.
Percentages correct on these 2 subscales are multiplied by 50.
Thus, scores can range from 0 to 50 on each of these 2 subscales, and total scores can range from 0 to 100.
Scores of 75 or higher are associated with independent living.
|
Open-label Baseline and week 10 Open-label Phase
|
|
Change From Double-blind Randomization Baseline in UPSA-B Scores at Week 4 Double-blind Phase
大体时间:Double-blind Randomization Baseline and Week 4 Double-blind Phase
|
UPSA-B assesses skills in 5 areas of life functioning.
It contains 2 subscales.
Percentages correct on these 2 subscales are multiplied by 50.
Thus, scores can range from 0 to 50 on each of these 2 subscales, and total scores can range from 0 to 100.
Scores of 75 or higher are associated with independent living.
|
Double-blind Randomization Baseline and Week 4 Double-blind Phase
|
|
Change From Open-label Baseline in Behavioral Rating Inventory of Executive Function - Adult Version (BRIEF-A) T-scores at Week 10 Open-label Phase
大体时间:Open-label Baseline and Week 10 Open-label Phase
|
BRIEF-A is a validated 75-item questionnaire composed of three indexes (Global Executive Composite, Behavioral Recognition Index, and Metacognition Index).
Items are rated 1 (never), 2 (sometimes), and 3 (often).
Raw scale scores are used to generate T-scores.
A reduction in score indicates less impairment.
|
Open-label Baseline and Week 10 Open-label Phase
|
|
Change From Double-blind Randomization Baseline in BRIEF-A T-Scores at Week 4 Double-blind Phase
大体时间:Double-blind Randomization Baseline and Week 4 Double-blind Phase
|
BRIEF-A is a validated 75-item questionnaire composed of three indexes (Global Executive Composite, Behavioral Recognition Index, and Metacognition Index).
Items are rated 1 (never), 2 (sometimes), and 3 (often).
Raw scale scores are used to generate T-scores.
A reduction in score indicates less impairment.
|
Double-blind Randomization Baseline and Week 4 Double-blind Phase
|
|
Change From Open-label Baseline in Simpson Angus Scale (SAS) Total Score at Week 10 Open-label Phase
大体时间:Open-label Baseline and Week 10 Open-label Phase
|
SAS is a 10-item scale used to evaluate the presence and severity of extrapyramidal symptoms.
The items are scored on a scale from 0 to 4 with item-specific definitions given for each point.
Total scores range from 0 to 40.
Lower scores indicate less impairment.
|
Open-label Baseline and Week 10 Open-label Phase
|
|
Change From Open-label Baseline in SAS Total Score at Week 4 of Double-blind Phase
大体时间:Open-label Baseline and Week 4 Double-blind Phase
|
SAS is a 10-item scale used to evaluate the presence and severity of extrapyramidal symptoms.
The items are scored on a scale from 0 to 4 with item-specific definitions given for each point.
Total scores range from 0 to 40.
Lower scores indicate less impairment.
|
Open-label Baseline and Week 4 Double-blind Phase
|
|
Change From Open-label Baseline in Barnes Akathisia Scale (BAS) Scores at Week 10 Open-label Phase
大体时间:Open-label Baseline and week 10 Open-label Phase
|
BAS scale has objective, subjective, and global impression components of akathisia (motor restlessness that manifests itself with an inability to sit still or remain motionless).
Objective and subjective components are rated on a scale from 0 (normal/absence) to 3 (severe) and are summed yielding a total score of 0 to 9. Global impression is rated on a scale from 0 (absent) to 5 (severe) with a total score ranging from 0 to 5. Lower scores indicate reduced restlessness.
|
Open-label Baseline and week 10 Open-label Phase
|
|
Change From Open-label Baseline in BAS Scores at Week 4 of Double-blind Phase
大体时间:Open-label Baseline and Week 4 Double-blind Phase
|
BAS scale has objective, subjective, and global impression components of akathisia (motor restlessness that manifests itself with an inability to sit still or remain motionless).
Objective and subjective components are rated on a scale from 0 (normal/absence) to 3 (severe) and are summed yielding a total score of 0 to 9. Global impression is rated on a scale from 0 (absent) to 5 (severe) with a total score ranging from 0 to 5. Lower scores indicate reduced restlessness.
|
Open-label Baseline and Week 4 Double-blind Phase
|
|
Change From Open-label Baseline in Amphetamine Cessation Symptom Assessment (ACSA) Total Score at Week 10 Open-label Phase
大体时间:Open-label Baseline and Week 10 Open-label Phase
|
ACSA scale has 16 symptom items rated on a scale from 0 (not at all) to 4 (extremely) with a possible total score range of 0 to 64.
Higher scores indicate greater withdrawal symptom severity.
|
Open-label Baseline and Week 10 Open-label Phase
|
|
Change From Double-blind Randomization Baseline in ACSA Total Score at Week 4 Double-blind Phase
大体时间:Double-blind Randomization Baseline and Week 4 Double-blind Phase
|
ACSA scale has 16 symptom items rated on a scale from 0 (not at all) to 4 (extremely) with a possible total score range of 0 to 64.
Higher scores indicate greater withdrawal symptom severity.
|
Double-blind Randomization Baseline and Week 4 Double-blind Phase
|
|
Change From Open-label Baseline in Pittsburgh Sleep Quality Index (PSQI) Total Global Score at Week 10 Open-label Phase
大体时间:Open-label Baseline and Week 10 Open-label Phase
|
PSQI evaluates 7 areas of quality and pattern of sleep.
Each area is rated on a scale from 0 (better) to 3 (worse) with a total score ranging from 0 to 21. Reduction in total scores are associated with better sleep quality.
|
Open-label Baseline and Week 10 Open-label Phase
|
|
Change From Open-label Baseline in PSQI Total Global Score at Week 4 of Double-blind Phase
大体时间:Open-label Baseline and Week 4 Double-blind Phase
|
PSQI evaluates 7 areas of quality and pattern of sleep.
Each area is rated on a scale from 0 (better) to 3 (worse) with a total score ranging from 0 to 21. Reduction in total scores are associated with better sleep quality.
|
Open-label Baseline and Week 4 Double-blind Phase
|
|
Change From Open-label Baseline in Calgary Depression Scale for Schizophrenia (CDSS) at Week 10 Open-label Phase
大体时间:Open-label Baseline and Week 10 Open-label Phase
|
CDSS is a 9-item scale to evaluate depression in subjects who have schizophrenia rated from 0 (absence of symptoms) to 3 (severe symptoms) with a total score range of 0 to 27.
Lower scores indicate less depression.
|
Open-label Baseline and Week 10 Open-label Phase
|
|
Change From Open-label Baseline in CDSS at Week 4 of Double-blind Phase
大体时间:Open-label Baseline and Week 4 of Double-blind Phase
|
CDSS is a 9-item scale to evaluate depression in subjects who have schizophrenia rated from 0 (absence of symptoms) to 3 (severe symptoms) with a total score range of 0 to 27.
Lower scores indicate less depression.
|
Open-label Baseline and Week 4 of Double-blind Phase
|
合作者和调查者
在这里您可以找到参与这项研究的人员和组织。
赞助
出版物和有用的链接
负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。
研究记录日期
这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查,以确保它们在发布到公共网站之前符合特定的质量控制标准。
研究主要日期
学习开始 (实际的)
2009年9月14日
初级完成 (实际的)
2011年1月20日
研究完成 (实际的)
2011年1月20日
研究注册日期
首次提交
2009年6月15日
首先提交符合 QC 标准的
2009年6月16日
首次发布 (估计)
2009年6月17日
研究记录更新
最后更新发布 (实际的)
2021年6月9日
上次提交的符合 QC 标准的更新
2021年5月25日
最后验证
2021年5月1日
更多信息
此信息直接从 clinicaltrials.gov 网站检索,没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求,请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改,我们的网站上也会自动更新.