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RecruitingEarly Breast Cancer

Phase IIIb Study of Ribociclib + ET in Early Breast Cancer

Eligible age

18–100 yrs

Accepts

All genders

Locations

37 states

Healthy volunteers

No

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About this study

The purpose of this open-label, multicenter, phase IIIb, single-arm study is to characterize the efficacy and safety of the combination of ribociclib and standard adjuvant endocrine therapy (ET) on invasive breast cancer-free survival (iBCFS), in a close to clinical practice patient population with HR-positive (HR+), HER2-negative (HER2-), Anatomic Stage Group III, IIB, and a subset of Stage IIA Early Breast Cancer (EBC).

Sponsor: Novartis Pharmaceuticals

Where it's recruiting

Alabama

Birmingham

Alaska

Anchorage

Arizona

Goodyear

Arkansas

Little Rock

California

Beverly Hills · Cerritos · Duarte · Fullerton

Colorado

Denver

District of Columbia

Washington D.C.

Florida

Altamonte Springs · Fort Lauderdale · Hialeah · Hollywood

Georgia

Athens · Savannah

Hawaii

Honolulu

Illinois

Chicago · Hinsdale · Zion

Indiana

Indianapolis

Source: ClinicalTrials.gov · NCT05827081 · last updated 2026-06-22