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A Long-Term Extension Trial From Late Phase II of SPM 962 in Patients With Restless Legs Syndrome (RLS)

2014年3月26日 更新者:Otsuka Pharmaceutical Co., Ltd.

An Open-label Long-term Extension Trial From Late Phase II of SPM 962 (243-07-003) in Patients With Restless Legs Syndrome

The aims of the trial are to assess the safety and the efficacy of SPM 962 following once-a-daily transdermal administration within a range of 2.25 to 6.75 mg/day in Japanese patients with restless legs syndrome (RLS) in a multi-center, open-label trial. The maximum treatment period is 53 weeks. The trial is an extension trial from the precedent 6-week, double-blind, randomized, placebo-controlled, parallel-group comparative trial(243-07-003). The trial is also for an exploratory investigation of incidence of augmentation, the most problematic complications in dopaminergic treatment.

調査の概要

状態

完了

介入・治療

研究の種類

介入

入学 (実際)

185

段階

  • フェーズ2

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

20年~79年 (大人、高齢者)

健康ボランティアの受け入れ

いいえ

受講資格のある性別

全て

説明

Inclusion Criteria:

  • Subject completed the preceding trial 243-07-003 (NCT00666965)

Exclusion Criteria:

  • Subject discontinued from the preceding trial 243-07-003 (NCT00666965)
  • Subject had a serious adverse event which association with the investigational drug is not ruled out during trial 243-07-003
  • Subject had a persistent serious adverse event at the baseline, which was observed and association with the investigational drug is ruled out during trial 243-07-003.
  • Subject had persistent hallucination or delusion during trial 243-07-003.
  • Subject had psychiatric conditions such as confusion, excitation, delirium, abnormal behaviour at the baseline.
  • Subject had orthostatic hypotension or a systolic blood pressure (SBP) ≤ 100 mmHg and had a decrease of SBP from spine to standing position ≥ 30 mmHg at baseline.
  • Subject had a history of epilepsy, convulsion etc. during trial 243-07-003.
  • Subject developed serious ECG abnormality at the baseline.
  • Subject had QTc-interval ≥ 500 msec at the baseline or subject had an increase of QTc-interval ≥ 60 msec from the baseline in the trial 243-07-003 and had a QTc-interval > 470 msec in female or > 450 msec in male at the baseline.
  • Subject had a serum potassium level < 3.5 mEq/L at the end of the taper period in trial 243-07-003.
  • Subject had a total bilirubin ≥ 3.0 mg/dL or AST(GOT) or ALT(GPT) greater than 2.5 times of the upper limit of the reference range (or ≥ 100 IU/L) at the end of the period in trial 243-07-003.
  • Subject had BUN ≥ 30 mg/dL or serum creatinine ≥ 2.0 mg/dl at the end of the taper period in trial 243-07-003.
  • Subject who planned pregnancy during the trial.
  • Subject was judged to be inappropriate for this trial by the investigator for the reasons other than above.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

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:なし
  • 介入モデル:単一グループの割り当て
  • マスキング:なし(オープンラベル)

武器と介入

参加者グループ / アーム
介入・治療
実験的:SPM 962
Rotigotine transdermal patch
Tansdermal patch
他の名前:
  • ロチゴチン

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
The Incidence and Severity of Adverse Events (AEs), Vital Signs, and Laboratory Parameters
時間枠:Up to 54 weeks

The safety of the long-term SPM 962 treatment was examined based on the incidence and severity of adverse events, vital signs, and laboratory parameters.

AEs of special interest (1-3) are defined as below:

  1. sudden onset of sleep
  2. obsessive-compulsive disorder or impulse-control disorder
  3. hallucination, delusion
Up to 54 weeks
Augmentation
時間枠:Up to 53 weeks

Augmentation is the main complication during long-term dopaminergic treatment of restless legs syndrome (RLS) and reflects an overall increase in RLS severity.

Augmentation is clinically significant when at least one of the following occurs:

  1. Change in daily activities and/or behavior (e.g., the patient stops riding in cars in the afternoon) due to augmentation;
  2. Negative impact on the patient's quality of life (sleep, mood, etc.) due to augmentation;
  3. Need to change the treatment dose or the patient needs to take the dose earlier in the day (e.g., dividing the dose);
  4. Adjustments in concomitant medication are made to compensate for augmented RLS symptoms (e.g., an increased intake of analgesics or hypnotics to cover an increase in symptom intensity);
  5. Any other aspect as judged by the evaluator (should be specified).
Up to 53 weeks
Change of the Pittsburgh Sleep Quality Index (PSQI) From Baseline to Each Visit
時間枠:Baseline, Up to 53 weeks
PSQI is a scale for assessing severity of sleep disorders. The score ranges from 0 to 21. 0 indicates "no difficulty" and 21 indicates "severe difficulty". A decrease in the scores means improvement.
Baseline, Up to 53 weeks

二次結果の測定

結果測定
メジャーの説明
時間枠
Change of IRLS Sum Score From the Baseline to Each Visit
時間枠:Baseline, Up to 53 weeks

IRLS is a scale for assessing severity of restless legs syndrome symptoms. IRLS consists of ten questions. Each question is scored from 4 for the first (top) answer (usually 'very severe') to 0 for the last answer (usually none).

The sum of the score of each question serves as the scale score. The scale scoring criteria are: Mild (score 1-10); Moderate (score 11-20); Severe (score 21-30); Very severe (score 31-40). A decrease in the scores means improvement.

Baseline, Up to 53 weeks
Efficacy Rate in IRLS Sum Score
時間枠:Baseline, Up to 53 weeks
Efficacy rate (percentage of subjects with 50% decrease) (LOCF) in IRLS sum score.
Baseline, Up to 53 weeks
Change of Augmentation Severity Rating Scale (ASRS) Sum Score From Baseline to Each Visit
時間枠:Baseline, Up to 52 weeks

ASRS is a scale for assessing severity of augmentation. ASRS consists of 3 items (one item containing 4 sub-items). The sum of the score of each question serves as the scale score (each question score: 0-3, sum score 0-24).

A higher score indicates a greater severity of symptoms. Thus a decrease in the scores means improvement.

Baseline, Up to 52 weeks
Change of Short-Form 36-Item Health Survey (SF-36) From Baseline to Each Visit
時間枠:Baseline, Up to 53 weeks
SF-36 is a scale for assessing health status in clinical practice and research. The scores of 36 questions are summarized into 7 sub-scales. In each sub-scale which range is 0-100, a higher score indicates a better health status. Thus a increase in the scores means improvement.
Baseline, Up to 53 weeks

協力者と研究者

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出版物と役立つリンク

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研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始

2008年8月1日

一次修了 (実際)

2010年10月1日

研究の完了 (実際)

2010年10月1日

試験登録日

最初に提出

2012年3月22日

QC基準を満たした最初の提出物

2012年3月22日

最初の投稿 (見積もり)

2012年3月26日

学習記録の更新

投稿された最後の更新 (見積もり)

2014年4月23日

QC基準を満たした最後の更新が送信されました

2014年3月26日

最終確認日

2014年3月1日

詳しくは

この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。

SPM 962の臨床試験

3
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