Ribociclib
Last Updated: 04/28/2026
A Phase 3 Randomized, Double-Blind, Active-Controlled Study of Palazestrant With Ribociclib Versus Letrozole With Ribociclib for the First-Line Treatment of ER+, HER2- Advanced Breast Cancer (OPERA-02)
Summary: This phase 3 clinical trial compares the efficacy and safety of palazestrant with ribociclib to letrozole and ribociclib in women and men who have not received prior systemic anti-cancer treatment for advanced breast cancer.
Real-world Evaluation of Patient Outcomes and Experiences With Ribociclib Early Adopters: A Hybrid Study With Prospective Patient-reported Outcomes and Retrospective Clinical Chart Review.
Summary: This non-interventional study (NIS) aims to evaluate effectiveness, persistence, treatment patterns, adverse events (AEs), and patient-reported experience (including adherence, treatment satisfaction, health-related quality of life \[HRQoL\], work productivity, and etc.), among HR+/HER2- stage II and III eBC patients treated with ribociclib + ET, and to evaluate AEs and patients-reported experienc...
Ribociclib Plus Aromatase Inhibitor Versus Aromatase Inhibitor Alone in Hormone Receptor-positive, HER2-negative Early Breast Cancer With Residual Disease After Neoadjuvant Chemotherapy: an Open-label, Multicenter, Randomized, Phase III Trial
Summary: This is a multi-center, open-lable, prospective, randomized phase III clinical trial to investigate the efficacy and safety of adjuvant ribociclib combined with aromatase inhibitor in hormone receptor-positive, HER2-negative early breast cancer with residual disease after neoadjuvant chemotherapy
A Phase IIIb Study to Characterize the Efficacy and Safety of Adjuvant Ribociclib Plus Endocrine Therapy in a Close-to-clinical Practice Patient Population With HR+ HER2- Early Breast Cancer (Adjuvant WIDER)
Summary: 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 E...
A Phase 1, Open-Label, Multicenter Study of INCB123667 as Monotherapy and in Combination With Anticancer Therapies in Participants With Selected Advanced Solid Tumors
Summary: This is an open-label, dose-escalation and dose-expansion study to determine the safety, tolerability, PK, pharmacodynamics, and preliminary efficacy of INCB123667 when administered as monotherapy and in combination with anticancer therapies in participants with selected advanced or metastatic solid tumors. This study will consist of 2 parts. In Part 1, INCB123667 will be administered as monothera...
A Randomised, Open-Label, Phase III Study of Saruparib (AZD5305) Plus Camizestrant Compared With Physician's Choice CDK4/6 Inhibitor Plus Endocrine Therapy or Plus Camizestrant for the First-Line Treatment of Patients With BRCA1, BRCA2, or PALB2 Mutations and Hormone Receptor Positive, HER2-Negative (IHC 0, 1+, 2+/ ISH Non-amplified) Advanced Breast Cancer (EvoPAR-Breast01)
Summary: The primary objective of the study is to measure efficacy of saruparib (AZD5305) plus camizestrant compared with physician's choice CDK4/6i plus ET in patients with BRCA1, BRCA2, or PALB2m, HR-positive, HER2-negative (defined as IHC 0, 1+, 2+/ ISH non-amplified) advanced breast cancer
A Phase 1a/1b Open-Label Study Evaluating the Safety, Tolerability, Pharmacokinetics, and Efficacy of BBO-10203 in Subjects With Advanced Solid Tumors (The BREAKER-101 Study)
Summary: First in human study to evaluate the safety, tolerability, and pharmacokinetics (PK) of BBO-10203, a PI3Kα:RAS breaker, alone and in combination with other anti-cancer agents in patients with advanced solid tumors.
Phase Ib/II Trial of Ribociclib Plus Anastrozole in Patients With Hormone Receptor-Positive, HER2-Negative Metastatic or Recurrent Breast Cancer
Summary: This document outlines an investigator-initiated Phase Ib/II clinical trial in Japan, focusing on the combination therapy of ribociclib and anastrozole for patients with hormone receptor-positive (HR-positive), HER2-negative metastatic or recurrent breast cancer. The trial aims to evaluate the efficacy (specifically, overall response rate) and safety of this combination in the Japanese patient pop...
A Phase Ib/II, Open-Label, Multicenter, Randomized Umbrella Study Evaluating the Efficacy and Safety of Multiple Treatment Combinations in Patients With Breast Cancer (MORPHEUS-BREAST CANCER)
Summary: This is a Phase Ib/II, open-label, multicenter, randomized umbrella study in participants with breast cancer. The study is designed with the flexibility to open new treatment arms as new treatments become available, close existing treatment arms that demonstrate minimal clinical activity or unacceptable toxicity, or modify the patient population. Cohort 1 will focus on participants with inoperable...
A Phase I/IIa, First-in-human, Open-label, Dose Escalation and Expansion Study to Evaluate the Safety, Pharmacokinetics, Pharmacodynamics and Preliminary Efficacy of AZD8421 Alone or in Combination in Participants With Selected Advanced or Metastatic Solid Tumors
Summary: This study is designed to evaluate AZD8421 alone and in combination with selected targeted anti-cancer drugs in patients with ER+HER2- advanced breast cancer, and patients with metastatic high-grade serious ovarian cancer.
SIgnatera-Guided Initiation of Adjuvant CDK4/6 Inhibitor in Intermediate Risk HR+ HER2- Breast Cancer
Summary: The purpose of this study is to evaluate the efficacy and safety of ctDNA-guided initiation of CDK4/6 inhibitor therapy using the Signatera™ Designed on Genome test (referred to as Signatera Genome) in participants with intermediate-risk HR+/HER2- early-stage breast cancer. Based on ctDNA test results, participants will either start CDK4/6 inhibitor therapy in addition to hormone therapy or contin...
A Phase II Study of Ribociclib And Endocrine Treatment of Physician's Choice for Locoregional Recurrent, Resected Hormone Receptor Positive HER2 Negative Breast Cancer
Summary: This is an open label, multicenter, single arm phase II study to evaluate the efficacy and safety of ribociclib and ET in patients with locoregional recurrence of HR-positive, HER2-negative breast cancer.
Last Updated: 04/28/2026