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Single FrAction Interstitial BreaSt BracHytherApy (SASHA)

16. Juni 2026 aktualisiert von: 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.

Studienübersicht

Status

Noch keine Rekrutierung

Bedingungen

Intervention / Behandlung

Studientyp

Interventionell

Einschreibung (Geschätzt)

134

Phase

  • Phase 2

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

  • Name: Massey IIT Research Operations
  • Telefonnummer: 804-628-6430
  • E-Mail: masseyepd@vcu.edu

Studienorte

  • Vereinigte Staaten
    • Virginia
      • Richmond, Virginia, Vereinigte Staaten, 23298
        • Virginia Commonwealth University
        • Kontakt:
        • Hauptermittler:
          • Bridget Quinn, MD

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

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

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: N / A
  • Interventionsmodell: Einzelgruppenzuweisung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Partial Breast Irradiation
Brachytherapy delivered with multiple interstitial catheters, given in a single fraction over 1 day
Arzneimittel: Partial Breast Irradiation
16 Gy × 1 fraction via multicatheter brachytherapy delivered over 1 day
Andere Namen:
  • Brachytherapie

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
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)
Zeitfenster: 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.

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
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)
Zeitfenster: 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)
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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)
Zeitfenster: 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
Zeitfenster: 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

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Virginia Commonwealth University

Ermittler

  • Hauptermittler: Bridget Quinn, MD, Virginia Commonwealth University

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

1. September 2026

Primärer Abschluss (Geschätzt)

30. September 2036

Studienabschluss (Geschätzt)

30. September 2036

Studienanmeldedaten

Zuerst eingereicht

11. Juni 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

11. Juni 2026

Zuerst gepostet (Tatsächlich)

17. Juni 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

18. Juni 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

16. Juni 2026

Zuletzt verifiziert

1. Juni 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • MCC-25-22764
  • HM300001026 (Andere Kennung: Virginia Commonwealth University)

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Ja

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Produkt, das in den USA hergestellt und aus den USA exportiert wird

Ja

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

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