Prader-Willi 症候群 (PWS) の 30 歳までの小児および成人における CBDV とプラセボの比較
Prader-Willi症候群(PWS)の30歳までの小児および成人におけるカンナビジバリン(CBDV)とプラセボの比較
調査の概要
詳細な説明
研究の種類
入学 (実際)
段階
- フェーズ2
連絡先と場所
研究場所
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New York
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The Bronx、New York、アメリカ、10467
- Montefiore Medical Center, Albert Einstein College of Medicine
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参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
説明
包含基準
- 5歳から30歳までの男性または女性の外来患者。
- 遺伝子検査および患者の医療記録と病歴によって確認された PWS の診断。
- -研究開始前の4週間、および研究期間中の安定した薬理学的、教育的、行動的、および/または食事介入。
- PWSの基準内にある身体検査と検査結果を持っている
- -参加に同意し、研究全体の患者の発達と行動に関する完全な評価を行うことができる親/介護者/保護者の存在。 子供の同意は、対象者が 7 歳以上であり、書面による同意書を理解して署名する、および/または口頭で同意する精神的能力がある場合に取得されます。
- -ベースラインでのClinical Global Impression Scale Severity(CGI-S)≥4(中程度の重症度)のスコア。
- -ベースラインでの異常行動チェックリスト-過敏性(ABC-I)のスコアが18以上。
- 機械を運転したり操作したりしないことに同意します。
除外基準
- -無作為化前の30日間の治験薬への曝露。
- -CBDまたはCBDVによる以前の慢性治療。
- -スクリーニング訪問時の尿検査または繰り返し確認検査時のベースライン訪問によるTHCまたは他の乱用薬物の陽性検査。
- 大麻使用障害を含む薬物乱用障害の病歴
- 双極性障害、精神病、統合失調症、PTSDまたはMDDを含む、PWS以外の主要な精神医学的診断。 これらの患者は、潜在的な交絡結果のために除外されます。
- -被験者の研究への参加能力に深刻な影響を与える、研究の実施を妨害する、研究結果の解釈を混乱させる、または被験者の健康を危険にさらす病状(肝臓または腎臓の障害および心血管疾患を含むがこれらに限定されない)。
- -CBDVまたは製剤に使用される賦形剤に対する既知または疑われるアレルギー(すなわち、 ごま)。
- -BUN /クレアチニンの正常上限を超える値、血清リパーゼおよびアミラーゼ、血小板の正常上限の2倍の値によって証明される、腎、膵臓、または血液機能障害の臨床的徴候
- -ベースラインスクリーニング時のECG異常、またはスクリーニング時の収縮期血圧の臨床的に有意な姿勢低下。 最初のスクリーニング ECG が 460 ミリ秒を超える QTcB を示した場合、5 分間隔で同じ場所に 2 つの追加の ECG が実施されます。 スクリーニングで認識されない場合、すべての包含/除外基準を満たすために、平均QTcBが460ミリ秒以下であることを示す完全な3回繰り返し
- 妊娠中の女性被験者は研究から除外されます。 女性被験者が妊娠できる場合、研究に参加する前に妊娠検査を受けます。 女性被験者は、CBDV を服用している間は妊娠しないように通知されます。 女性被験者は、研究中に妊娠した場合、研究者に伝え、産科医または母体胎児専門医に相談する必要があります。
研究計画
研究はどのように設計されていますか?
デザインの詳細
- 主な目的:処理
- 割り当て:ランダム化
- 介入モデル:並列代入
- マスキング:4倍
武器と介入
参加者グループ / アーム |
介入・治療 |
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実験的:カンナビジバリン (CBDV)
CBDV 10 mg/kg/日の体重ベースの投与量を 12 週間
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CBDV is obtained from the Cannabis sativa L. plant and contains a negligible quantity (less than 0.2%) of Tetrahydrocannabinol (THC).
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プラセボコンパレーター:一致したプラセボ
プラセボ 10 mg/kg/日の体重ベースの投与を 12 週間
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プラセボ経口溶液には、対応する賦形剤が含まれています。
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この研究は何を測定していますか?
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
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Irritability Based on Aberrant Behavior Checklist-Irritability (ABC-I) Subscale
時間枠:Baseline, Week 4, Week 8, Week 12
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Irritability will be assessed using the Aberrant Behavior Checklist-Irritability Subscale (ABC-I).
The ABC-I is a well-characterized outcome that is accepted by the FDA for the purpose of labeling and is one of the best and most validated outcome measures in the developmental disabilities.
The ABC-Irritability subscale consists of 15 questions that address the presence of irritability, aggression, tantrums and/or self-injury.
Each item is rated on a scale ranging from 0 ("Not at all a problem") to 3 ("Severe problem"), resulting in a total score range of 0-45, such that higher ABC-I scores are indicative of more severe behavioral problems.
Subjects must score an 18 or higher at screening to be included in the study.
ABC-I scores for Week 4, Week 8, and Week 12 are summarized in the table by study arm using descriptive statistics.
Baseline results for this outcome can be found in the Baseline Characteristics module.
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Baseline, Week 4, Week 8, Week 12
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二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
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Repetitive Behavior Based on the Repetitive Behavior Scale-Revised (RBS-R).
時間枠:Baseline, Week 4, Week 8, Week 12
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Repetitive behavior will be evaluated using the RBS-R.
RBS-R is a 43-item self-report questionnaire used to measure the breadth or repetitive behaviors in children, adolescents, and adults with ASD.
The RBS-R consists of 6 subscales: Stereotyped Behavior, Self-injurious Behavior, Compulsive Behavior, Ritualistic Behavior, Sameness Behavior, and Restricted Behavior that have no overlap of item content.
Each of the 43 items are rated on a 4-point Likert scale ranging from 0 ("Behavior does not occur") to 3 ("Behavior occurs and is a severe problem"), yielding an overall scoring range of 0-129, such that higher scores are associated with increased severity of the problem behavior.
RBS-R scores for Week 4, Week 8, and Week 12 are summarized in the table by study arm using descriptive statistics.
Baseline results for this outcome can be found in the Baseline Characteristics module.
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Baseline, Week 4, Week 8, Week 12
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Repetitive Behaviors Based on Children's Yale-Brown Obsessive Compulsive Scale (CY-BOCS)
時間枠:Baseline, Week 4, Week 8, Week 12
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Obsessive-compulsive symptoms will be assessed using the CY-BOCS.
The CY-BOCS is 10-item clinician-rated measure designed to assess the severity of obsessive-compulsive symptoms in children/adolescents over the prior week.
It consists of 5 primary sections: Time, Distress, Interference, Resistance, and Control of Symptoms.
The 10 items are rated on a scale from 0 ("No symptoms") to 4 ("Extreme symptoms"), for an overall possible range of 0-40, with higher scores indicative of greater severity of symptoms.
CY-BOCS scores for Week 4, Week 8, and Week 12 are summarized by study arm using descriptive statistics.
Baseline results for this outcome can be found in the Baseline Characteristics module.
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Baseline, Week 4, Week 8, Week 12
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Hyperphagia
時間枠:Baseline, Week 4, Week 8, Week 12
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Hyperphagia will be assessed using the Hyperphagia Questionnaire for Clinical Trials (HQ-CT).
The HQ-CT is a 9-item caregiver-reported measure of the frequency and intensity of food-seeking behaviors in participants with Prader-Willi Syndrome (PWS) over the prior two-week period.
The 9 items are graded on a Likert scale ranging from 0 ("No Hyperphagia") to 4 ("Most severe hyperphagia"), yielding an overall possible scoring range of 0-36, with higher scores indicating greater, more severe hyperphagia.
HQ-CT scores for Week 4, Week 8, and Week 12 are summarized by study arm using descriptive statistics.
Baseline results for this outcome can be found in the Baseline Characteristics module.
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Baseline, Week 4, Week 8, Week 12
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Global Functioning
時間枠:Week 4, Week 8, Week 12
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Global Functioning will be assessed using the Clinical Global Impression Scale - Improvement (CGI-I).
The CGI-I is a global assessment which measures the change in a participant's illness severity, relative to a baseline, considering all symptoms, behaviors, and functional impairment.
It consists of a 7-point clinician-rated scale as follows: 1 = very much improved, 2 = much improved, 3 = minimally improved, 4 = no change, 5 = minimally worse, 6 = much worse, 7 = very much worse.
such that higher scores are indicative of worsening global function.
CGI-I scores for Week 4, Week 8, and Week 12 are summarized by study arm using basic descriptive statistics.
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Week 4, Week 8, Week 12
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Caregiver Strain
時間枠:Baseline, Week 4, Week 8, Week 12
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Caregiver Strain will be evaluated using the Caregiver Strain Questionnaire (CSQ).
The CSQ is a 21-item self-report questionnaire, consisting of 3 subscales, developed to assess caregiver strain/stress for families with a child living with an emotional or behavioral disorder.
Items 1-11 assess Objective Strain.
Items 12, 16-18, and 20-21 assess Subjective Internalized Strain.
Items 13-15, and 19 assess Subjective Externalize Strain.
All CSQ items are rated from 1 ("Not at all a problem") to 5 ("Very much a problem").
Scores are calculated by averaging items within each subscale to handle missing data and calculating a Global Score by summing the 3 subscale means for a total possible scale range of 3-15.
Higher Global Scores are associated with increased Caregiver Strain.
Global results scores for Week 4, Week 8, and Week 12 are summarized by study arm using descriptive statistics.
Baseline results for this outcome can be found in the Baseline Characteristics module.
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Baseline, Week 4, Week 8, Week 12
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Rigid Behavior - Based on the Montefiore-Einstein Rigidity Scale-Revised-Prader-Willi Syndrome Scale (MERS-R-PWS)
時間枠:Week 12
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Rigid behavior will be assessed based using the MERS-R-PWS. The MERS-R-PWS is a clinician-rated scale designed to assess 3 domains of rigid behavior in individuals with PWS: Behavioral Rigidity (e.g., Insistence on sameness, things must be done in his/her way, etc.) Cognitive Rigidity (e.g., Special interests, inflexible adherence to rules, etc.) Protest (in response to deviation from rigidity; e.g., tantrum, irritability, arguing) Each domain consists of 4 items rated on a 5-point scale ranging from 0 ("No/None/Not difficult") to 4 ("Extreme/Extremely Difficult"), yielding a range of 0-16. Scores at Week 12 will only be completed for subjects who display rigid behaviors at baseline, week 4, week 8 and week 12. A total MERS-R-PWS score (0-48) is obtained by summing subscale score. Individual subscale scores (0-16) are also summarized. Higher MERS-R-PWS scores are indicative of greater rigidity within each domain and overall rigidity. |
Week 12
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Aberrant Behavior
時間枠:Baseline, Week 4, Week 8, Week 12
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Aberrant Behavior will be assessed using the Aberrant Behavior Checklist (ABC).
The ABC is a 58-item informative rating instrument used to measure maladaptive behaviors in individuals with developmental disabilities and ASD which resolves into 5 subscales: Irritability (15 items); Lethargy/Social withdrawal (16 items); Stereotypic behavior (7 items); Hyperactivity/noncompliance (16 items); and Inappropriate speech (4 items).
The ABC is completed by a parent/caregiver who knows the participant well.
The ABC measures behavior on a 4-point Likert severity scale: (0 = "Not all a problem," 1 = "Slight problem," 2 = "Moderately serious problem," and 3 = "Severe problem").
Scores for 4 of the 5 subscales are reported below (ABC-I results reported as part of the primary outcome).
Higher ABC subscale scores indicate greater behavioral severity/dysfunction of that subscale.
Week 4, Week 8, and Week 12 scores are summarized by study arm.
See Baseline Characteristics module for baseline data.
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Baseline, Week 4, Week 8, Week 12
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Sleep Quality
時間枠:Baseline through Week 12
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Sleep quality will be assessed using ActiGraph GT9X-BT® activity monitors.
Successfully screened patients will receive the actigraphy device prior to the onsite baseline visit and will record a minimum of three days of baseline activity data prior to study initiation.
The ActiGraph GT9X-BT activity monitors are a well validated activity and sleep monitoring device widely utilized in clinical trials and health research.
For this study the ActiGraph monitors will measure: Sleep Latency (the time it takes to fall asleep), Total Sleep Time (the total amount of time spent asleep), and sleep efficiency (percentage of time in bed actually spent sleeping).
Sleep data is captured automatically via cloud service.
All parameters will be reported in hours/minutes and summarized by study arm.
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Baseline through Week 12
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協力者と研究者
スポンサー
捜査官
- 主任研究者:Eric Hollander, MD、Montefiore Medical Center/Albert Einstein College of Medicine
出版物と役立つリンク
一般刊行物
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研究記録日
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研究開始 (実際)
一次修了 (実際)
研究の完了 (実際)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
キーワード
追加の関連 MeSH 用語
その他の研究ID番号
- 2019-9914
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