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Ribociclib clinical trials

Directory of U.S. ClinicalTrials.gov public records that list Ribociclib as a study intervention. Browse Ribociclib recruiting trials, filter by phase, sponsor, or location, and open the official ClinicalTrials.gov study record for each result.

ClinicalTrials.gov public records Last synced Oct 17, 2026, 9:00 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official matching trials
138
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Ribociclib
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Showing 37–48 of 138 matching trials for Ribociclib.
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Recruiting Phase 1Phase 2 Interventional

A First-in-human Dose Escalation and Expansion Study to Evaluate the Safety, and Tolerability of AZD8421 Alone or in Combination in Participants With Selected Advanced or Metastatic Solid Tumors

NCT06188520
View directory record Official record
Conditions
ER+ HER2- Advanced Breast Cancer, High-grade Serous Ovarian Cancer (HGSOC)
Interventions
AZD8421, Camizestrant, Ribociclib, Palbociclib, Abemaciclib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older · Female only
Enrollment
564 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
4
States / cities
St Louis, Missouri • Providence, Rhode Island • Nashville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 17, 2026, 9:00 AM EDT
Active, not recruiting Phase 1 Interventional

Study of INCB123667 in Subjects With Advanced Solid Tumors

NCT05238922
View directory record Official record
Conditions
Solid Tumors
Interventions
INCB0123667, Palbociclib, Bevacizumab, Olaparib, Paclitaxel, Ribociclib, Fulvestrant
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
18
States / cities
Duarte, California • Irvine, California • Los Angeles, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 17, 2026, 9:00 AM EDT
Recruiting Phase 2 Interventional

Ribociclib And Endocrine Treatment of Physician's Choice for Locoregional Recurrent, Resected Hormone Receptor Positive HER2 Negative Breast Cancer

NCT05467891
View directory record Official record
Conditions
Locoregional Recurrence, Hormone Receptor-positive Breast Cancer, HER2-negative Breast Cancer
Interventions
Ribociclib, Fulvestrant, Anastrozole, Letrozole, Exemestane
Drug
Lead sponsor
Oana Danciu
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
21
States / cities
Birmingham, Alabama • Phoenix, Arizona • Washington D.C., District of Columbia + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 17, 2026, 9:00 AM EDT
Recruiting Phase 1Phase 2 Interventional

First-in-Human Study of Tersolisib (STX-478) as Monotherapy and in Combination With Other Antineoplastic Agents in Participants With Advanced Solid Tumors

NCT05768139
View directory record Official record
Conditions
Breast Cancer, Solid Tumors, Adult
Interventions
STX-478, Fulvestrant, Ribociclib, Palbociclib, Letrozole, Anastrozole, Exemestane, Tamoxifen, Abemaciclib, Imlunestrant, Metformin
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
880 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
28
States / cities
Los Angeles, California • San Francisco, California • Aurora, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 17, 2026, 9:00 AM EDT
Active, not recruiting Phase 1 Interventional

First-in-Human Study of OKI-219 in Advanced Solid Tumors and Advanced Breast Cancer

NCT06239467
View directory record Official record
Conditions
Advanced Cancer, Breast Cancer, Advanced Solid Tumors, PI3K Gene Mutation
Interventions
OKI-219, Fulvestrant, Trastuzumab, Tucatinib, Atirmociclib, Ribociclib
Drug
Lead sponsor
OnKure, Inc.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
12
States / cities
Encinitas, California • La Jolla, California • Los Angeles, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 17, 2026, 9:00 AM EDT
Terminated Phase 3 Interventional

Ribociclib vs. Palbociclib in Patients With Advanced Breast Cancer Within the HER2-Enriched Intrinsic Subtype

NCT05207709
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Ribociclib + Letrozole OR Fulvestrant, Palbociclib + Letrozole OR Fulvestrant, Paclitaxel +/- Tislelizumab
Drug
Lead sponsor
SOLTI Breast Cancer Research Group
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
26
States / cities
Clearwater, Florida • Coral Gables, Florida • Hollywood, Florida + 22 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Oct 17, 2026, 9:00 AM EDT
Recruiting Phase 3 Interventional

Evaluation of Lasofoxifene Combined With Abemaciclib Compared With Fulvestrant Combined With Abemaciclib in Locally Advanced or Metastatic ER+/HER2- Breast Cancer With an ESR1 Mutation

NCT05696626
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Lasofoxifene in combination with abemaciclib, Fulvestrant in combination with abemaciclib
Drug
Lead sponsor
LeonaBio
Industry
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
36
States / cities
Scottsdale, Arizona • Tucson, Arizona • Santa Rosa, California + 25 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 17, 2026, 9:00 AM EDT
Completed No phase listed Observational

A Real-World Study of Early Breast Cancer Patients Eligible for Treatment With CDK4/6 Inhibitors

NCT07647042
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 17, 2026, 9:00 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Platform Study of JDQ443 in Combinations in Patients With Advanced Solid Tumors Harboring the KRAS G12C Mutation

NCT05358249
View directory record Official record
Conditions
KRAS G12C Mutant Solid Tumors, Carcinoma, Non-Small Cell Lung, Carcinoma, Non-Small-Cell Lung, Non-Small Cell Lung Cancer, Non-Small Cell Lung Carcinoma, Nonsmall Cell Lung Cancer, Colorectal Cancer, Colorectal Carcinoma, Colorectal Neoplasms, Colorectal Tumors, Neoplasms, Colorectal
Interventions
JDQ443, trametinib, Ribociclib, cetuximab
Drug · Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
3
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 17, 2026, 9:00 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Open-Label Umbrella Study To Evaluate Safety And Efficacy Of Elacestrant In Various Combination In Participants With Metastatic Breast Cancer

NCT05563220
View directory record Official record
Conditions
Breast Cancer, Metastatic Breast Cancer
Interventions
Elacestrant, Alpelisib, Everolimus, Ribociclib, Palbociclib, Capivasertib, Abemaciclib
Drug
Lead sponsor
Stemline Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
435 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
35
States / cities
Dothan, Alabama • Phoenix, Arizona • Springdale, Arkansas + 30 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 17, 2026, 9:00 AM EDT
Recruiting No phase listed Observational

DiviTum®TKa: A Biomarker Assay for Efficacy in HR+ Breast Cancer Patients

NCT06388122
View directory record Official record
Conditions
HER2-negative Breast Cancer, Hormone-receptor-positive Breast Cancer, Metastatic Breast Cancer, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, HER2 Negative Breast Carcinoma, Hormone Receptor Positive Breast Carcinoma, Metastatic Breast Carcinoma
Interventions
Biospecimen Collection
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 17, 2026, 9:00 AM EDT
Recruiting Phase 2 Interventional

Study of Ribociclib and Everolimus in HGG and DIPG or Ribociclib and Temozolomide in DHG, H3G34-mutant

NCT05843253
View directory record Official record
Conditions
High Grade Glioma, Diffuse Intrinsic Pontine Glioma, Anaplastic Astrocytoma, Glioblastoma, Glioblastoma Multiforme, Diffuse Midline Glioma, H3 K27M-Mutant, Metastatic Brain Tumor, WHO Grade III Glioma, WHO Grade IV Glioma, Diffuse Hemispheric Glioma, H3 G34-Mutant
Interventions
Ribociclib, Everolimus, Temozolomide (TMZ)
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
12 Months to 39 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2034
U.S. locations
11
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 17, 2026, 9:00 AM EDT

About this Ribociclib clinical trials directory page

What this page lists
U.S. ClinicalTrials.gov public records that list Ribociclib as a study intervention, including recruiting, not yet recruiting, and active not recruiting trials.
How to narrow results
Use the filters above to scope by condition, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, age, or NCT ID within Ribociclib.
Where the data comes from
Records are sourced from the official ClinicalTrials.gov public API. Each result links back to the official study page, which is the source of truth for eligibility, enrollment, and contact information.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, ranking of trials by quality, or AI-generated medical summaries.

Related: all therapy pages, browse by condition, browse by U.S. city, browse by sponsor, or open the full search for Ribociclib.