Dose-Ranging Study of Sofosbuvir in Combination With Pegylated Interferon and Ribavirin in Treatment Naïve GT 1 HCV Patients
A Multi-center, Double-Blind, Parallel Group, Randomized, Placebo-Controlled, Dose Ranging Study to Investigate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics Following Oral Administration of PSI-7977 in Combination With Standard of Care (Pegylated Interferon and Ribavirin) in Treatment-Naïve Patients With Chronic HCV Infection Genotype 1
調査の概要
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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California
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San Francisco、California、アメリカ、94115
- Quest Clinical Research
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Florida
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Gainesville、Florida、アメリカ、32610
- University of Florida
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Orlando、Florida、アメリカ、32803
- Orlando Immunology Center
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North Carolina
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Durham、North Carolina、アメリカ、27710
- Duke University
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Texas
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San Antonio、Texas、アメリカ、78215
- Alamo Medical Research Center
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Washington
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Seattle、Washington、アメリカ、98101
- Virginia Mason Medical Center
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Santurce、プエルトリコ、00909
- Fundacion De Investigacion de Diego
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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
受講資格のある性別
説明
Inclusion Criteria:
- Treatment-naive males and females, 18-65 years of age
- Genotype 1 HCV infection
- Negative pregnancy test for females of childbearing age
- Females of childbearing age and males with female partners of childbearing age must use two forms of contraception during treatment and following the last dose of ribavirin in accordance with locally approved label for ribavirin
Exclusion Criteria:
- Hepatitis B or HIV infection
- Pregnant or breast feeding females or male partners of pregnant females
- Previous interferon or ribavirin-based therapy or investigational anti-HCV agent
- History or evidence of medical condition associated with chronic liver disease other than HCV
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:単一グループの割り当て
- マスキング:ダブル
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:Sofosbuvir 100 mg+PEG+RBV
Participants received sofosbuvir 100 mg (1 x 100 mg tablet) and placebo to match sofosbuvir (3 tablets) for 28 days (baseline to Day 28), plus PEG+RBV (baseline to Week 48)
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ペグ化インターフェロンアルファ-2a (PEG) 180 μg を週 1 回皮下注射で投与しました。
他の名前:
Sofosbuvir tablet(s) administered orally once daily
他の名前:
Ribavirin (RBV) tablets were administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75kg = 1000 mg and ≥ 75 kg = 1200 mg).
他の名前:
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実験的:Sofosbuvir 200 mg+PEG+RBV
Participants received sofosbuvir 200 mg (2 x 100 mg tablets) and placebo to match sofosbuvir (2 tablets) for 28 days (baseline to Day 28), plus PEG+RBV (baseline to Week 48)
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ペグ化インターフェロンアルファ-2a (PEG) 180 μg を週 1 回皮下注射で投与しました。
他の名前:
Sofosbuvir tablet(s) administered orally once daily
他の名前:
Ribavirin (RBV) tablets were administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75kg = 1000 mg and ≥ 75 kg = 1200 mg).
他の名前:
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実験的:Sofosbuvir 400 mg+PEG+RBV
Participants received sofosbuvir 400 mg (4 x 100 mg tablets) for 28 days (baseline to Day 28), plus PEG+RBV (baseline to Week 48)
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ペグ化インターフェロンアルファ-2a (PEG) 180 μg を週 1 回皮下注射で投与しました。
他の名前:
Sofosbuvir tablet(s) administered orally once daily
他の名前:
Ribavirin (RBV) tablets were administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75kg = 1000 mg and ≥ 75 kg = 1200 mg).
他の名前:
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アクティブコンパレータ:Placebo+PEG+RBV
Participants received placebo to match sofosbuvir (4 tablets) for 28 days (baseline to Day 28), plus PEG+RBV (baseline to Week 48)
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ペグ化インターフェロンアルファ-2a (PEG) 180 μg を週 1 回皮下注射で投与しました。
他の名前:
Ribavirin (RBV) tablets were administered orally in a divided daily dose according to package insert weight-based dosing recommendations (< 75kg = 1000 mg and ≥ 75 kg = 1200 mg).
他の名前:
Placebo to match sofosbuvir administered orally once daily
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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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Percentage of Participants Who Experienced Adverse Events During the Sofosbuvir Treatment Period
時間枠:Baseline to Week 4
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Adverse events (AEs) occurring during the sofosbuvir treatment period were summarized across the participant population.
A participant was counted once if they had a qualifying event.
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Baseline to Week 4
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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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Change in Circulating HCV RNA at Week 4
時間枠:Baseline to Week 4
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Baseline to Week 4
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Percentage of Participants With Rapid Virologic Response at Week 4
時間枠:Week 4
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Rapid virologic response (RVR) was defined as HCV RNA below the limit of detection (LOD [15 IU/mL]) at Week 4.
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Week 4
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Percentage of Participants With Sustained Virologic Response (SVR) at 12 and 24 Weeks After Last Dose of PEG+RBV Following Completion of 48 Weeks of Treatment
時間枠:Post-treatment Weeks 12 and 24
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SVR at 12 weeks (SVR12) and 24 weeks (SVR24) was defined as HCV RNA < LOD 12 and 24 weeks after last dose of PEG+RBV, respectively, following completion of 48 weeks of treatment (4 weeks of sofosbuvir or matching placebo and PEG+RBV, followed by an additional 44 weeks of PEG+RBV).
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Post-treatment Weeks 12 and 24
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Plasma Pharmacokinetics of Sofosbuvir: Cmax at Day 0
時間枠:Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, and 12 hours postdose
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The Cmax of sofosbuvir was measured at Day 0 following a single dose of sofosbuvir. Cmax is defined as the maximum concentration of drug. |
Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, and 12 hours postdose
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Plasma Pharmacokinetics of Sofosbuvir: Cmax at Day 27
時間枠:Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 24 hours postdose)
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The Cmax of sofosbuvir was measured at Day 27 following continuous dosing of sofosbuvir.
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Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 24 hours postdose)
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Plasma Pharmacokinetics of Sofosbuvir: AUCinf at Day 0
時間枠:Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, and 12 hours postdose
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The AUCinf of sofosbuvir was analyzed at Day 0 (following a single dose of sofosbuvir). AUCinf is defined as the concentration of drug (area under the plasma concentration versus time curve) extrapolated to infinite time. |
Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, and 12 hours postdose
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Plasma Pharmacokinetics of Sofosbuvir: AUCtau at Day 27
時間枠:Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 24 hours postdose)
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The AUCtau of sofosbuvir was analyzed at Day 27 (following continuous dosing of sofosbuvir). AUCtau is defined as the concentration of drug (area under the plasma concentration versus time curve) over the dosing interval. |
Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 24 hours postdose)
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Plasma Pharmacokinetics of GS-331007: Cmax at Day 0
時間枠:Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, and 12 hours postdose
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The Cmax of GS-331007 was measured at Day 0 following a single dose of sofosbuvir.
GS-331007 is the predominant circulating metabolite of sofosbuvir.
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Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, and 12 hours postdose
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Plasma Pharmacokinetics of GS-331007: Cmax at Day 27
時間枠:Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 24 hours postdose)
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The Cmax of GS-331007 was measured at Day 27 following continuous dosing of sofosbuvir.
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Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 24 hours postdose)
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Plasma Pharmacokinetics of GS-331007: AUCinf at Day 0
時間枠:Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, and 12 hours postdose
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The AUCinf of GS-331007 was analyzed at Day 0 (following a single dose of sofosbuvir).
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Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, and 12 hours postdose
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Plasma Pharmacokinetics of GS-331007: AUCtau at Day 27
時間枠:Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 24 hours postdose)
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The AUCtau of GS-331007 was analyzed at Day 27 (following continuous dosing of sofosbuvir).
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Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 24 hours postdose)
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Plasma Pharmacokinetics of GS-566500: Cmax at Day 0
時間枠:Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, and 12 hours postdose
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The Cmax of GS-566500 was measured at Day 0 following a single dose of sofosbuvir.
GS-566500 is one of the major metabolites of sofosbuvir.
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Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, and 12 hours postdose
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Plasma Pharmacokinetics of GS-566500: Cmax at Day 27
時間枠:Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 24 hours postdose)
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The Cmax of GS-566500 was measured at Day 27 following continuous dosing of sofosbuvir.
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Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 24 hours postdose)
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Plasma Pharmacokinetics of GS-566500: AUCinf at Day 0
時間枠:Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, and 12 hours postdose
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The AUCinf of GS-566500 was analyzed at Day 0 (following a single dose of sofosbuvir).
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Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, and 12 hours postdose
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Plasma Pharmacokinetics of GS-566500: AUCtau at Day 27
時間枠:Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 24 hours postdose)
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The AUCtau of GS-566500 was analyzed at Day 27 (following continuous dosing of sofosbuvir).
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Predose, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 24 hours postdose)
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Percentage of Participants Who Developed Resistance to Sofosbuvir
時間枠:Baseline to Week 4
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Baseline to Week 4
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協力者と研究者
スポンサー
研究記録日
主要日程の研究
研究開始
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 (見積もり)
学習記録の更新
投稿された最後の更新 (見積もり)
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
追加の関連 MeSH 用語
その他の研究ID番号
- P7977-0221
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