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OncoMatch/Clinical Trials/NCT07647328

A Phase IIIb Study to Evaluate Camizestrant Plus Ribociclib in ER-positive, HER2-negative Advanced Breast Cancer

Is NCT07647328 recruiting? Yes, currently enrolling (Jul 2026). This Phase 3 trial studies multiple treatments including Camizestrant and Ribociclib for er-positive her2-negative breast cancer.

Phase 3RecruitingAstraZenecaNCT07647328Data as of Jul 2026Location: International · 8 countries

Treatment: Camizestrant · RibociclibThe purpose of this study is to investigate the efficacy, safety, and tolerability of camizestrant in combination with ribociclib in patients with ER+ HER2- BC who have not received any other systemic treatment for advanced disease. Participants will be treated within the trial until they discontinue the study treatment for any reason.

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Extracted eligibility criteria

Treatments studied

Targeted therapy

Ribociclib

Endocrine / hormonal

Camizestrant

Cancer type

Breast Carcinoma

Biomarker criteria

Required: ESR1 expression (positive)

ER+

Required: HER2 (ERBB2) wild-type (negative)

HER2-

Disease stage

Required: Stage STAGE 4

not amenable to resection or radiation therapy with curative intent; de novo Stage 4 disease, or recurrence from early CD stage breast cancer

Performance status

ECOG 0–1(Restricted strenuous activity)

ECOG performance status of 0 or 1

Demographics

Ages ≤ 130

Prior therapy

Max 0 prior lines

Lab requirements

Blood counts

Adequate organ and marrow function

Kidney function

Adequate organ and marrow function

Liver function

Adequate organ and marrow function

Adequate organ and marrow function

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • Research Site · Duarte, California
  • Research Site · Palo Alto, California
  • Research Site · Marietta, Georgia
  • Research Site · Evanston, Illinois
  • Research Site · Edgewood, Kentucky

Showing up to 5 US sites.

See all sites on ClinicalTrials.gov →

Frequently asked questions

Is NCT07647328 currently recruiting?

Yes, this trial is currently recruiting patients.

Does this trial require ESR1?

Yes, ESR1 expression is a required biomarker for enrollment.

Does this trial require ERBB2?

Yes, ERBB2 wild-type is a required biomarker for enrollment.

What disease stage is eligible?

Stage STAGE 4 is required.

Is there an age limit?

Yes. Patients must be 130 years or younger.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

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