Fulvestrant With Ribociclib Versus Physician's Choice Treatments Recurred After Completion of Adjuvant Cyclin-Dependent Kinase 4/6 Inhibitors in HR+, HER2- Metastatic Breast Cancer

Trial statusNot yet recruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age19+
SponsorYeon Hee Park

About this trial

▪ Fulvestrant With Ribociclib versus Physician's choice treatments for the patients who recurred after completion of Adjuvant Cyclin-Dependent Kinase 4/6 Inhibitors in HR+, HER2- Metastatic Breast Cancer as first line treatment

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Participants must be at least 19 years of age at the time of signing the informed consent.

Patient has advanced (locoregionally recurrent or metastatic) breast cancer not amenable to curative therapy.

Patient has HR-positive/HER2-negative invasive breast cancer (based on most recently analyzed biopsy)

HER2 status is defined as a negative in situ hybridization test or an IHC status of 0, 1+ or 2+. If IHC is 2+, a negative in situ hybridization (FISH, CISH, or SISH) test is required by local laboratory testing, according to ASCO/CAP guidelines for HER2 testing (Wolff et al. 2018).

Disqualifiers

Patients whose cancer recurs one year or later after completing adjuvant endocrine therapy

Patients who have been free from endocrine therapy for at least 2 years

Patient whose disease recurred during or within 1 year from adjuvant CDK4/6 inhibitor treatment.

Patient who did receive adjuvant palbociclib irrespective of disease-free interval.

Trial design

Design model

Parallel

Treatments tested in this trial

  • Ribociclib with fulvestrant

    Drug

    ▪ Ribociclib group \- Ribociclib (600 mg orally once daily on days 1 to 21 in a 28 day cycle) + Fulvestrant (500mg intramuscular injection on day 1 in a 28 day cycle and day 15 of Cycle 1) ± Leuprorelin (3.75 mg subcutaneously every 28 days in premenopausal or perimenopausal women)

  • Physician's choice treatments group

    Drug

    ▪Fulvestrant or exemestane group 1. Fulvestrant (500mg intramuscular injection on day 1 in a 28 day cycle and day15 of Cycle 1) ± Leuprorelin (3.75 mg subcutaneously every 28 days in premenopausal or periomenopausal women) OR, 2. Exemestane (25 mg orally once daily on day 1 to 28 in a 28 day cycle) + Everolimus (10 mg orally once daily on day 1 to 28 in a 28 day cycle) ± Leuprorelin (3.75 mg subcutaneously every 28 days in premenopausal or perimenopausal women)

Treatment groups

272 Participants
are divided into 2 treatment groups
Group A: Ribociclib groupExperimental treatment 1 intervention
Group B: Physician's choice treatments groupActive comparator 1 intervention

Trial outcomes

Primary outcomes

1

Progression Free Survival

From the time from randomization to first documented progression or death, whichever occurs first

Time frame
Up to 5 years

Secondary outcomes

1

Overall survival

From date of randomization to date of death due to any cause.

Time frame
Up to 5 years
2

Objective Response Rate

Assessed by RECIST 1.1. Cinical benefit rate defined as percentage of patients with CR, PR per RECIST 1.1 or SD lasting 24 weeks or longer

Time frame
Up to 5 years
3

Adverse Events

Incidence/severity of adverse events, lab abnormalities based on CTCAE4.03

Time frame
Up to 5 years

Other outcomes

Locations

This trial has no locations.

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Yeon Hee Park

Lead sponsor

Samsung Medical Center

Sponsor institution

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