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Clinical trial · no report yet · Phase 3

OFSET

Evaluating the Addition of Adjuvant Chemotherapy to Ovarian Function Suppression Plus Endocrine Therapy in Premenopausal Patients With pN0-1, ER-Positive/HER2-Negative Breast Cancer and an Oncotype Recurrence Score Less Than or Equal to 25

We haven't built a report for this trial yet. This page shows the registry record and the public commentary we found that names the trial. A report reads that commentary and sets out what clinicians said about the trial, each point linked to its source. How reports are made.

Commentary we found

Podcasts, YouTube videos and X posts in our index that name this trial. A report screens them, searches for more and cites what clinicians said when it is built.

ChannelFound
X threads12
YouTube9
Podcasts5

The trial

ClinicalTrials.gov
Official title
A Phase III Adjuvant Trial Evaluating the Addition of Adjuvant Chemotherapy to Ovarian Function Suppression Plus Endocrine Therapy in Premenopausal Patients With pN0-1, ER-Positive/HER2-Negative Breast Cancer and an Oncotype Recurrence Score Less Than or Equal to 25 (OFSET)
Phase
Phase 3
Status
Recruiting
Conditions
Breast Cancer
Interventions
Ovarian Function Suppression + Aromatase Inhibitor; Adjuvant Chemotherapy + Ovarian Function Suppression
Arms
  • Arm 1: Ovarian Function Suppression + Aromatase Inhibitor · Active comparator
  • Arm 2 Adjuvant Chemotherapy + Ovarian Function Suppression + Aromatase Inhibitor · Active comparator
Enrollment
3,960 (estimated)
Primary outcomes
  • Invasive breast cancer-free survival (IBCFS)
Sponsor
NRG Oncology with National Cancer Institute (NCI)
Start
Oct 18, 2023
Primary completion
Jan 2032 (estimated)
Results posted
No
Registry record
NCT05879926 · updated Sep 2, 2026