Radiation Therapy in Treating Women With Invasive Breast Cancer
The Relationship Between Plasma Transforming Growth Factor-beta 1 (TGF-β) and Fractionation in Radiotherapy for Breast Cancer: A Randomized Study
RATIONALE: Radiation therapy uses high-energy x-rays to kill tumor cells. Giving radiation therapy in different ways may kill more tumor cells.
PURPOSE: This randomized clinical trial is studying the side effects and best way to give radiation therapy and to see how well it works in treating patients with invasive breast cancer.
調査の概要
詳細な説明
OBJECTIVES:
Primary
- Compare the ratio between post- and pre-treatment plasma transforming growth factor-beta 1 (TGF-β) in women with invasive breast cancer undergoing hypofractionated radiotherapy vs standard-fractionated external-beam radiotherapy.
Secondary
- Establish longitudinal serum and plasma biorepository for retrospective evaluation of TGF-β and other biomarkers with special relevance to radiation response.
- Correlate pre-treatment plasma TGF-β levels with clinical fibrosis development.
OUTLINE: This is a randomized study. Patients are randomized to 1 of 2 treatment arms.
- Arm I (hypofractionated radiotherapy): Patients undergo external-beam radiotherapy once daily 5 days a week for up to 3.5 weeks (16 fractions total).
- Arm II (standard fractionated radiotherapy): Patients undergo radiotherapy as in arm I at a lower dose for up to 5 weeks (25 fractions total).
After completion of study treatment, patients are followed every 6 months for 2 years and then annually for 3 years.
PROJECTED ACCRUAL: A total of 100 patients will be accrued for this study.
研究の種類
入学 (実際)
段階
- 初期フェーズ 1
連絡先と場所
研究場所
-
-
California
-
San Francisco、California、アメリカ、94115
- UCSF Helen Diller Family Comprehensive Cancer Center
-
-
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
DISEASE CHARACTERISTICS:
- Histologically confirmed invasive breast cancer
Underwent lumpectomy (breast-preserving surgery) with or without adjuvant chemotherapy within the past 12 weeks
- Histologically negative surgical margins (i.e., no tumor on ink)
Candidates for postoperative breast radiotherapy
- Determined not to need radiotherapy to regional nodes (e.g., third supraclavicular field)
- Hormone receptor status not specified
PATIENT CHARACTERISTICS:
- Female
- Menopausal status not specified
- Not pregnant or nursing
- Negative pregnancy test
- Fertile patients must use effective contraception
- No history of scleroderma or systemic lupus erythematosis
- No other prior or concurrent malignancy except nonmelanoma skin cancer or carcinoma in situ of the cervix
PRIOR CONCURRENT THERAPY:
- See Disease Characteristics
- No prior breast radiotherapy
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：なし（オープンラベル）
協力者と研究者
捜査官
- 主任研究者：Catherine C. Park, MD、University of California, San Francisco
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。