Clinical Trials

HER2-positive Metastatic Breast Cancer

NCT03006172 2026-03-11

To Evaluate the Safety, Tolerability, and Pharmacokinetics of Inavolisib Single Agent in Participants With Solid Tumors and in Combination With Endocrine and Targeted Therapies in Participants With Breast Cancer

200 enrolled

Breast Neoplasms

NCT04572295 2026-03-11

A Study of E7090 as Monotherapy and in Combination With Other Anticancer Agents in Participants With Estrogen Receptor Positive (ER+) and Human Epidermal Growth Receptor 2 Negative (HER2-) Recurrent/Metastatic Breast Cancer

51 enrolled

Acrocephalosyndactylia, Breast Neoplasms

NCT03531645 2026-03-05

Fulvestrant Plus Abemaciclib in Women With Advanced Low Grade Serous Carcinoma

18 enrolled

Other neoplasm

Malignant Neoplasms of Female Genital Organs

NCT05154487 2026-03-03

A Study of Alpelisib and Fulvestrant to Treat Endometrial Cancer

51 enrolled

Recurrence

NCT02778685 2026-02-24

Pembrolizumab, Endocrine Therapy, and Palbociclib in Treating Postmenopausal Patients With Newly Diagnosed Metastatic Stage IV Estrogen Receptor Positive Breast Cancer

47 enrolled 17 charts

Breast Neoplasms

NCT06105632 2026-02-13

A Study to Learn About the Study Medicine Called PF-07220060 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment

333 enrolled

Breast Neoplasms, Recurrence

NCT02947685 2026-02-12

PATINA

518 enrolled 15 charts

Breast Neoplasms

NCT05501886 2026-02-10

VIKTORIA-1

701 enrolled

Breast Neoplasms, Neoplasm Metastasis

NCT02763566 2026-02-05

MONARCH plus

463 enrolled 20 charts

Breast Neoplasms

NCT02057133 2026-01-26

A Study of LY2835219 (Abemaciclib) in Combination With Therapies for Breast Cancer That Has Spread

198 enrolled

Breast Neoplasms

NCT01953588 2026-01-22

Fulvestrant and/or Anastrozole in Treating Postmenopausal Patients With Stage II-III Breast Cancer Undergoing Surgery

1,473 enrolled

Breast Neoplasms, Carcinoma, Ductal, Breast, Carcinoma, Lobular

NCT05169567 2026-01-16

postMONARCH

368 enrolled 14 charts

Breast Neoplasms, Neoplasm Metastasis

NCT05826964 2026-01-13

Levels of Circulating Tumor DNA as a Predictive Marker for Early Switch in Treatment for Patients With Metastatic (Stage IV) Breast Cancer

24 enrolled

Breast Neoplasms

NCT05365178 2026-01-07

To Evaluate the Efficacy and Safety of TQB3616 in Combination With Fulvestrant Versus Placebo in Combination With Fulvestrant in Previously Untreated Hormone-receptor (HR)-Positive, Human Epidermal Growth Factor Receptor 2 (HER2)-Negative Advanced Breast Cancer

432 enrolled

HR-positive, HER2-negative Breast Neoplasms

NCT03393845 2026-01-02

Study of Pembrolizumab Plus Fulvestrant in Hormone Receptor Positive, HER-2 Negative Advanced/Metastatic Breast Cancer Patients

47 enrolled

Breast Neoplasms

NCT04762979 2026-01-02

Alpelisib (BYL719) in Combination With Continued Endocrine Therapy Following Progression on Endocrine Therapy in Hormone Receptor Positive, HER2 Negative, PIK3CA Mutant Metastatic Breast Cancer

44 enrolled

Hormone Receptor Positive Breast Carcinoma

NCT04579380 2025-12-19

Basket Study of Tucatinib and Trastuzumab in Solid Tumors With HER2 Alterations

BreastGastrointestinalGenitourinaryGynecologicThoracic

217 enrolled 19 charts

Biliary Tract Neoplasms, Breast Neoplasms, Carcinoma, Non-Small-Cell Lung, Uterine Cervical Neoplasms, Urologic Neoplasms, Uterine Neoplasms, Colorectal Neoplasms

NCT04556773 2025-12-17

DB-08

138 enrolled

Breast Neoplasms, Triple Negative Breast Neoplasms

NCT02738866 2025-12-10

Palbociclib With Fulvestrant for Metastatic Breast Cancer After Treatment With Palbociclib and an Aromatase Inhibitor

60 enrolled

Phase 1/2 Active not recruiting

Breast Neoplasms

NCT01992952 2025-11-26

FAKTION

149 enrolled

Estrogen Receptor Positive Breast Cancer

NCT05226871 2025-11-25

Study for Participants Continuing From Pfizer-sponsored Palbociclib (a Study Medicine) Studies

35 enrolled

BreastHead & Neck

Squamous Cell Carcinoma of Head and Neck, Breast Neoplasms, Head and Neck Neoplasms

NCT04214288 2025-11-20

SERENA-2

240 enrolled 16 charts

Tumor-Agnostic

Neoplasm Metastasis

NCT05090358 2025-10-27

Preventing High Blood Sugar in People Being Treated for Metastatic Breast Cancer

15 enrolled

Breast Neoplasms

NCT02107703 2025-10-21

MONARCH 2

669 enrolled 22 charts