Cette page a été traduite automatiquement et l'exactitude de la traduction n'est pas garantie. Veuillez vous référer au version anglaise pour un texte source.

Single FrAction Interstitial BreaSt BracHytherApy (SASHA)

16 juin 2026 mis à jour par: 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.

Aperçu de l'étude

Statut

Pas encore de recrutement

Les conditions

Intervention / Traitement

Type d'étude

Interventionnel

Inscription (Estimé)

134

Phase

  • Phase 2

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Coordonnées de l'étude

  • Nom: Massey IIT Research Operations
  • Numéro de téléphone: 804-628-6430
  • E-mail: masseyepd@vcu.edu

Lieux d'étude

  • États-Unis
    • Virginia
      • Richmond, Virginia, États-Unis, 23298
        • Virginia Commonwealth University
        • Contact:
        • Chercheur principal:
          • Bridget Quinn, MD

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

  • Adulte
  • Adulte plus âgé

Accepte les volontaires sains

Non

La description

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

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: Traitement
  • Répartition: N / A
  • Modèle interventionnel: Affectation à un seul groupe
  • Masquage: Aucun (étiquette ouverte)

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: Partial Breast Irradiation
Brachytherapy delivered with multiple interstitial catheters, given in a single fraction over 1 day
Médicament: Partial Breast Irradiation
16 Gy × 1 fraction via multicatheter brachytherapy delivered over 1 day
Autres noms:
  • Curiethérapie

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
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)
Délai: 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.

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
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)
Délai: 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)
Délai: 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
Délai: 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
Délai: 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)
Délai: 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
Délai: 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

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

Virginia Commonwealth University

Les enquêteurs

  • Chercheur principal: Bridget Quinn, MD, Virginia Commonwealth University

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Estimé)

1 septembre 2026

Achèvement primaire (Estimé)

30 septembre 2036

Achèvement de l'étude (Estimé)

30 septembre 2036

Dates d'inscription aux études

Première soumission

11 juin 2026

Première soumission répondant aux critères de contrôle qualité

11 juin 2026

Première publication (Réel)

17 juin 2026

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

18 juin 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

16 juin 2026

Dernière vérification

1 juin 2026

Plus d'information

Termes liés à cette étude

Mots clés

Termes MeSH pertinents supplémentaires

Autres numéros d'identification d'étude

  • MCC-25-22764
  • HM300001026 (Autre identifiant: Virginia Commonwealth University)

Plan pour les données individuelles des participants (IPD)

Prévoyez-vous de partager les données individuelles des participants (DPI) ?

NON

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Oui

Étudie un produit d'appareil réglementé par la FDA américaine

Non

produit fabriqué et exporté des États-Unis.

Oui

Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .

S'abonner