このページは自動翻訳されたものであり、翻訳の正確性は保証されていません。を参照してください。 英語版 ソーステキスト用。

Single FrAction Interstitial BreaSt BracHytherApy (SASHA)

2026年6月16日 更新者：Virginia Commonwealth University

Single FrAction Interstitial BreaSt BracHytherApy (SASHA)

This phase 2, single arm prospective study has been designed to determine the safety of delivering accelerated partial breast irradiation (APBI) with a multicatheter interstitial implant in a single fraction over 1 day. This is a method of delivering radiation therapy directly into or close to a tumor.

調査の概要

状態

まだ募集していません

条件

介入・治療

研究の種類

介入

入学 (推定)

134

段階

  • フェーズ2

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究連絡先

  • 名前：Massey IIT Research Operations
  • 電話番号：804-628-6430
  • メール：masseyepd@vcu.edu

研究場所

  • アメリカ
    • Virginia
      • Richmond、Virginia、アメリカ、23298
        • Virginia Commonwealth University
        • コンタクト：
        • 主任研究者：
          • Bridget Quinn, MD

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

  • 大人
  • 高齢者

健康ボランティアの受け入れ

いいえ

説明

Inclusion Criteria:

  • Female
  • New diagnosis of Ductal Carcinoma in Situ (DCIS) and/or invasive breast carcinoma per histologic evaluation
  • Age 40-85 at diagnosis
  • Previous lumpectomy with surgical margins histologically free of invasive tumor and DCIS as determined by the pathologist
  • T stage of Tis, T1, or T2
  • T2 tumors must be ≤3 cm in maximum diameter
  • If the tumor is human epidermal growth factor receptor (HER2)-positive, the patient is planning to receive or has already received HER2-directed therapy
  • For patients with invasive breast cancer, an axillary staging procedure must be performed (either sentinel node biopsy alone or axillary dissection [with a minimum of 6 axillary nodes removed]) and the axillary node(s) must be pathologically negative Note: N0(i+) is not an exclusion criterion

Note: Patients meeting all of the following criteria are not required to undergo the axillary staging procedure:

  • ≥70 years of age
  • Estrogen receptor (ER)+, progesterone receptor (PR)+/-, HER2-
  • Grade 1-2 breast cancer
  • Tumor ≤2 cm in size

Note: If patients meet all the following criteria, the decision to avoid sentinel lymph node biopsy can be at the discretion of the breast surgeon:

  • 50-69 years of age
  • Grade 1-2 breast cancer
  • Clinically negative axilla by ultrasound and/or magnetic resonance imaging (MRI)
  • ER+, PR+, HER2-
  • Tumor ≤2 cm in size
  • Agrees to comply with aromatase inhibitor recommendation
  • Ability to begin brachytherapy within 12 weeks following lumpectomy, re- excision of margins, or completion of chemotherapy
  • Ability to understand and the willingness to sign a written informed consent document

Exclusion Criteria:

  • Pregnant or breastfeeding
  • Active collagen-vascular disease
  • Paget's disease of the breast
  • Any prior history of DCIS or invasive breast cancer prior to the current diagnosis
  • Any prior history of breast radiation therapy (RT) or thoracic RT for any condition
  • Multicentric carcinoma (DCIS or invasive)
  • Synchronous bilateral invasive or non-invasive breast cancer
  • Surgical margins that cannot be microscopically assessed or that are positive
  • Treatment with neoadjuvant chemotherapy
  • Excision cavity that cannot be clearly delineated or is not amenable to implant per the treating investigator
  • Medical, psychological, or social condition that, in the opinion of the investigator, may increase the patient's risk or limit the patient's adherence with study requirements

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：Partial Breast Irradiation
Brachytherapy delivered with multiple interstitial catheters, given in a single fraction over 1 day
薬：Partial Breast Irradiation
16 Gy × 1 fraction via multicatheter brachytherapy delivered over 1 day
他の名前：
  • 小線源治療

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
Assess and compare the toxicity of a 1-day course of accelerated partial breast irradiation (APBI) to that of clinical trials: NSABP-B-39 (NCT00103181), RTOG-0413, TRIUMPH-T (NCT02526498), and ASHBY (NCT06185205)
時間枠：Baseline through 30 days following treatment, up to 5 years.
Incidence of accelerated partial breast irradiation (APBI) related toxicities of interest occurring at grade ≥3 at 1, 3, and 5 years after APBI. The descriptions and grading scales found in the The National Cancer Institutes' (NCI) Common Terminology Criteria for Adverse Events is a descriptive terminology (CTCAE), a list of standardized definitions for adverse events, revised v6.0 will be utilized for adverse (AE) (toxicity) reporting.
Baseline through 30 days following treatment, up to 5 years.

二次結果の測定

結果測定
メジャーの説明
時間枠
Assess the rate of excellent or good cosmesis at 1, 3, and 5 years after a 1-day course of APBI utilizing the Breast Cancer Treatment Outcome Scale (BCTOS-12)
時間枠：Baseline, 6 months, 1 year, 3 years, up to 5 years following treatment
Cosmetic results at 1, 3, and 5 years after APBI, as assessed by The Breast Cancer Treatment Outcome Scale (BCTOS-12), a shortened, validated patient-reported outcome measure designed to assess aesthetic and functional outcomes after breast-conserving surgery. This is scored on a scale of 1-4 ("no difference" to "large difference"), where lower scores indicate better outcomes of satisfaction
Baseline, 6 months, 1 year, 3 years, up to 5 years following treatment
Assess the rate of excellent or good cosmesis at 1, 3, and 5 years after a 1-day course of APBI utilizing the breast cancer core checklist (postoperative) (BREAST-Q)
時間枠：Baseline, 6 months, 1 year, 3 years, up to 5 years following treatment
The BREAST-Q radiation-specific module patient-reported outcome measure (PROM) that evaluates patient satisfaction with the cosmetic effects of radiation The Breast-Q is 6 questions and scored on a scale of 1-3 ("not at all" to "a lot") with lower scores indicating better outcomes of satisfaction.
Baseline, 6 months, 1 year, 3 years, up to 5 years following treatment
Assess the rate of excellent or good cosmesis after a 1-day course of APBI utilizing the Harvard Cosmesis Scale
時間枠：Baseline, 6 months, then annually up to 5 years following treatment

The Harvard Cosmesis Scale is a physician-rated form will be used by the radiation oncologist to score cosmesis with the following criteria:

  • Excellent: treated breast looks essentially the same as the contralateral breast as it relates to radiation effects. This includes patients with grade 1 punctate scarring.
  • Good: minimal but identifiable radiation effects of the treated breast. This includes patients with grade 2 punctate scarring.
  • Fair: significant radiation effects readily observable.
  • Poor: severe sequelae of breast tissue secondary to radiation effect.
Baseline, 6 months, then annually up to 5 years following treatment
Assess the rate of excellent or good cosmesis at 1, 3, and 5 years after a 1-day course of APBI assessed by Digital Photographs
時間枠：Baseline, 5 weeks, 6 months, annually up to 5 years following treatment

Digital photographs will be taken to visualize any potential changes in breast shape or contour. These will be taken by study staff utilizing the Radiation Oncology Department's designated camera. blindly analyzed by 2-3 radiation oncologists using the following 4-point numerical scale:

  • 4 (Excellent): the treated breast looks essentially the same as the contralateral breast as it relates to radiation effects. This includes patients with grade 1 punctate scarring.
  • 3 (Good): minimal but identifiable radiation effects of the treated breast. This includes patients with grade 2 punctate scarring.
  • 2 (Fair): significant radiation effects readily observable.
  • 1 (Poor): severe sequelae of breast tissue secondary to radiation effect. Photos will be uploaded to the digital study record.

Analysis will be batched as study progresses. Each individual score as well as the average score will be entered into the electronic case report form (eCRF).
Baseline, 5 weeks, 6 months, annually up to 5 years following treatment
Assess cumulative treatment-related breast toxicities for up to 5 years after a 1-day course of accelerated partial breast irradiation (APBI)
時間枠：Baseline, up to 5 years following treatment
Incidence of treatment-related breast toxicities of interest occurring at any grade within 5 years after APBI. Toxicities will be graded using the National Cancer Institute's (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 6.
Baseline, up to 5 years following treatment
Determine the percentage of patients who remain free of local disease progression (e.g., tumor recurrence or local spread) of breast cancer when treated with a 1-day course of APBI
時間枠：1 year, 3 years, and up to 5 years following treatment

Disease control will be assessed by physical examination and mammography. All cases of local failure must be confirmed using pathologic criteria established by Recht et al will be used to help classify the type of local in-breast recurrence as follows:

  • True Recurrence/Marginal Miss (TR/MM) Failure: a recurrence of the treated cancer within or immediately adjacent to the primary tumor site.
  • Elsewhere (E) Failure: local recurrence several centimeters from the primary site and is generally believed to be a new primary cancer.

Classification of the failure type is at the discretion of the treating investigator.
1 year, 3 years, and up to 5 years following treatment

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

Virginia Commonwealth University

捜査官

  • 主任研究者：Bridget Quinn, MD、Virginia Commonwealth University

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 (推定)

2026年9月1日

一次修了 (推定)

2036年9月30日

研究の完了 (推定)

2036年9月30日

試験登録日

最初に提出

2026年6月11日

QC基準を満たした最初の提出物

2026年6月11日

最初の投稿 (実際)

2026年6月17日

学習記録の更新

投稿された最後の更新 (実際)

2026年6月18日

QC基準を満たした最後の更新が送信されました

2026年6月16日

最終確認日

2026年6月1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

  • MCC-25-22764
  • HM300001026 (その他の識別子：Virginia Commonwealth University)

個々の参加者データ (IPD) の計画

個々の参加者データ (IPD) を共有する予定はありますか?

いいえ

医薬品およびデバイス情報、研究文書

米国FDA規制医薬品の研究

はい

米国FDA規制機器製品の研究

いいえ

米国で製造され、米国から輸出された製品。

はい

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。

購読する