Safety and Efficacy Study of Topical Methyaminlevulinate (MAL) in Subjects With Facial Acne
A Study of Safety and Efficacy of Topical Methylaminolevulinate 80mg/g With and Without Occlusion Followed by Red Light Exposure in Subjects With Facial Acne
調査の概要
詳細な説明
Photocure ASA has developed a cream formulation containing methyl aminolevulinate (MAL), an ester of ALA. There is extensive experience with the safety of MAL-PDT in humans.
This study will assess safety and efficacy of four treatments with methylaminolevulinate (MAL) at 80 mg/g performed with and without occlusion and followed by red light exposure 90 minutes later in subjects with facial acne vulgaris. Subjects will be randomized to one of two groups of 20 subjects: Group 1 will receive 25 J/cm2 of red light (45 mW/cm2) and group 2 will receive 37 J/cm2 of red light (90 mW/cm2). For each subject one side of the face will be randomized to receive MAL for 90 minutes without occlusion and the other side of the face will receive MAL for 90 minutes with occlusion.
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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Quebec
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Laval、Quebec、カナダ、H7S 2C6
- Innovaderm Research Inc
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Montreal、Quebec、カナダ、H2K 4L5
- Innovaderm Research Inc.
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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:
- Subject willing to use an adequate contraceptive method or is surgically sterile, post menopausal, abstinent or with a same-sex partner. Adequate means of contraception include; IUD in use 30 days prior to day 0, barrier methods and spermicide in use atleast 14 days prior to day 0 or oral contraceptive in use for at least 6 months prior to day 0
- Age 18 or older
- Capable of giving informed consent
- Diagnosis of acne vulgaris on the face with at least 10 inflammatory lesions on both sides of the face at screening and day 0
- Global acne severity assessment score ≥ 3 at the screening and day 0 visit.
Exclusion Criteria:
- Allergy to methylaminolevulinate or any component of the vehicle
- Acne fulminans or conglobata on the face
- Clinical significant sensitivity to visible light, porphyria or porphyrin sensitivity
- Use of any topical treatment for acne on the face within the previous 2 weeks before day 0
- Any use of systemic antibiotics within 1 month prior to day 0 or use of isotretinoin within 1 year prior to Day 0
- Exposure to ultraviolet radiation (UVB phototherapy, sun tanning salons) within 4 weeks of Day 0
- Use of any investigational drug within 4 weeks of Day 0
- Alcoholism or drug abuse in the past year
- Any unstable or serious medical condition at the discretion of the investigator
- Current pregnancy or lactation
- Use of hormonal contraceptives solely for control of acne
- Current use of oral contraceptives (unless subject is on a stable dose e.i. at least six months of treatment prior Day 0), testosterone or any other systemic hormonal treatment
- Any serious dermatological disorder, including malignancies that would either put the subject at risk or interfere with efficacy or safety evaluations
- Fitzpatrick phototype V or VI (inadequate penetration of red light in dark skin subjects)
- Subjects with extensive facial hair (e.g. beard) that would either impair red light exposure or interfere with lesion evaluation.
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:独身
武器と介入
参加者グループ / アーム |
介入・治療 |
|---|---|
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アクティブコンパレータ:25 J/cm2, with occlusion on right side
Subjects will receive MAL cream in a thin layer on both sides of the face (except nose and peri-ocular area) at a concentration of 80 mg/g).
Occlusion will be applied to one half of the face.
After an incubation time of 90 minutes both sides of the face will be exposed to either 25 J/cm2 of red light starting with the occluded side first.
|
80 mg/g cream one administration with incubation for 90 minutes
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|
アクティブコンパレータ:37 J/cm2, with occlusion on right side
Subjects will receive MAL cream in a thin layer on both sides of the face (except nose and peri-ocular area) at a concentration of 80 mg/g).
Occlusion will be applied to one half of the face.
After an incubation time of 90 minutes both sides of the face will be exposed to 37 J/cm2 of red light starting with the occluded side first.
|
80 mg/g cream one administration with incubation for 90 minutes
|
|
アクティブコンパレータ:25 J/cm2 , with occlusion on left side
Subjects will receive MAL cream in a thin layer on both sides of the face (except nose and peri-ocular area) at a concentration of 80 mg/g).
Occlusion will be applied to one half of the face.
After an incubation time of 90 minutes both sides of the face will be exposed to either 25 J/cm2 of red light starting with the occluded side first.
|
80 mg/g cream one administration with incubation for 90 minutes
|
|
アクティブコンパレータ:37 J/cm2 , with occlusion on left side
Subjects will receive MAL cream in a thin layer on both sides of the face (except nose and peri-ocular area) at a concentration of 80 mg/g).
Occlusion will be applied to one half of the face.
After an incubation time of 90 minutes both sides of the face will be exposed to 37 J/cm2 of red light starting with the occluded side first.
|
80 mg/g cream one administration with incubation for 90 minutes
|
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 |
時間枠 |
|---|---|
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To compare the number of inflammatory acne lesions according to time on the side with occlusion and the side without occlusion for subjects with facial acne vulgaris exposed to 25 J/cm2 and 37 J/cm2 of red light.
時間枠:4 and 12 weeks after last PDT session.
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4 and 12 weeks after last PDT session.
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二次結果の測定
結果測定 |
時間枠 |
|---|---|
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Exposed to 25 J/cm2 and 37 J/cm2 of red light and with and withut occlusion :-Compare number of non-inflammatory acne lesions. -Safety assesment of MAL-PDT. -Evaluate PAP photobleaching.
時間枠:At each treatment visit and 2 and 7 days after first PDT treatment visit.
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At each treatment visit and 2 and 7 days after first PDT treatment visit.
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協力者と研究者
スポンサー
捜査官
- 主任研究者:Robert Bissonnette, MD MSC FRCPC、Innovaderm Research Inc.
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
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。
MALの臨床試験
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Pacific DermaestheticsLEO Pharmaわからない
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Norwegian University of Science and TechnologyOslo University Hospital; Helse Stavanger HF; Haukeland University Hospital; Førde Central Hospital と他の協力者完了