Clinical Trials Browser

Phase 1 × INDUSTRY × Fulvestrant × Clear all

NCT05683418 2026-04-22

A Study to Evaluate the Safety and Tolerability of TOS-358 in Women With HR+ HER2- Breast Cancer

Phase 1 Recruiting

Breast Neoplasms, Hereditary Sensory and Autonomic Neuropathies

NCT06257264 2026-04-22

A Study to Examine the Safety of Different Doses of BG-68501 Given to Participants With Advanced-Stage Tumors

Phase 1 Recruiting

BreastGastrointestinalGenitourinaryGynecologicThoracic

Urinary Bladder Neoplasms, Breast Neoplasms, Ovarian Neoplasms, Prostatic Neoplasms, Stomach Neoplasms, Endometrial Neoplasms, Small Cell Lung Carcinoma, Triple Negative Breast Neoplasms

NCT06997029 2026-04-21

A Phase 1 Study of BMS-986500 as Monotherapy or Combination Therapy in Advanced Solid Tumors

Phase 1 Recruiting

Neoplasms

NCT05307705 2026-04-20

PIKASSO-01

Phase 1 Active not recruiting

Breast Neoplasms

NCT07318805 2026-04-20

A Study to Learn About the Study Medicine Called PF-08032562 in People With Advanced or Metastatic Solid Tumors

Phase 1 Recruiting

BreastGastrointestinal

Breast Neoplasms, Colonic Neoplasms, Colorectal Neoplasms, Triple Negative Breast Neoplasms

NCT06120283 2026-04-15

BGB-43395 Alone or as Part of Combination Therapies in Participants With Breast Cancer and Other Advanced Solid Tumors

Phase 1 Recruiting

Breast Neoplasms, Carcinoma, Non-Small-Cell Lung

NCT07226349 2026-04-15

A Study of BG-75098 Alone and in Combination With Other Agents in Adults With Advanced Solid Tumors

Phase 1 Recruiting

Other solid neoplasm

Advanced Solid Tumor

NCT05238922 2026-04-14

Study of INCB123667 in Subjects With Advanced Solid Tumors

Phase 1 Recruiting

BreastGastrointestinalGynecologic

Carcinoma, Ovarian Epithelial, Breast Neoplasms, Digestive System Neoplasms

NCT06625775 2026-04-13

Open-Label Study of BBO-10203 in Subjects With Advanced Solid Tumors

Phase 1 Recruiting

BreastGastrointestinalThoracic

Breast Neoplasms, Carcinoma, Non-Small-Cell Lung, Lung Neoplasms, Neoplasm Metastasis, Colorectal Neoplasms

NCT07408089 2026-04-13

KOMODO-1

Phase 1 Recruiting

Breast Neoplasms

NCT07480681 2026-03-18

Phase I Clinical Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of HLX97 (a KAT6A/B Inhibitor) in Patients With Advanced/Metastatic Solid Tumor

Phase 1 Not yet recruiting

Other solid neoplasm

Advanced/Metastatic Solid Tumors

NCT07038369 2026-03-17

A Phase 1 Study of ATV-1601 in Patients With Advanced Cancer That Have AKT1 E17K Mutations

Phase 1 Active not recruiting

BreastGenitourinaryGynecologic

Breast Diseases, Breast Neoplasms, Uterine Cervical Neoplasms, Genital Neoplasms, Female, Neoplasms, Neoplasms by Site, Ovarian Neoplasms, Prostatic Neoplasms, Urogenital Neoplasms, Uterine Neoplasms, Endometrial Neoplasms, Triple Negative Breast Neoplasms

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

Phase 1 Active not recruiting

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

Phase 1 Active not recruiting

Acrocephalosyndactylia, Breast Neoplasms

NCT01597388 2026-02-24

AZD2014 and Fulvestrant in Patients With ER+ Advanced Metastatic Breast Cancer

Phase 1 Completed

99 enrolled 61 charts

Advanced Metastatic Breast Cancer

NCT02057133 2026-01-26

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

Phase 1 Active not recruiting

Breast Neoplasms

NCT04556773 2025-12-17

DB-08

Phase 1 Active not recruiting

Breast Neoplasms, Triple Negative Breast Neoplasms

NCT05252416 2025-11-28

(VELA) Study of BLU-222 in Advanced Solid Tumors

Phase 1 Terminated

GastrointestinalGynecologicSarcoma

Adenocarcinoma Of Esophagus, Carcinosarcoma, Ovarian Neoplasms, Stomach Neoplasms, Endometrial Neoplasms

NCT06756932 2025-11-10

BGB-21447 (Bcl-2 Inhibitor) Combinations for Adults With Hormone-Receptor Positive (HR+)/Human Epidermal Growth Factor Receptor 2 Negative (HER2-) Metastatic Breast Cancer

Phase 1 Recruiting

Breast Neoplasms

NCT06784193 2025-10-10

Phase 1 Study of OP-3136 in Advanced or Metastatic Solid Tumors

Phase 1 Recruiting

Breast Neoplasms, Carcinoma, Non-Small-Cell Lung

NCT05216432 2025-09-22

First-in-Human Study of Mutant-selective PI3Kα Inhibitor, RLY-2608, as a Single Agent in Patients With Advanced Solid Tumors and in Combination With Endocrine Therapy +/- a CDK4/6 or CDK4 Inhibitor in Patients With Advanced Solid Tumors or Advanced Breast Cancer

Phase 1 Recruiting

Breast Neoplasms

NCT06239467 2025-09-09

PIKture-01

Phase 1 Recruiting

Breast Neoplasms

NCT05870579 2025-08-21

[177Lu]Lu-NeoB in Combination With Ribociclib and Fulvestrant in Participants With ER+, HER2- and GRPR+ Advanced Breast Cancer

Phase 1 Recruiting

Breast Neoplasms

NCT03767335 2025-06-26

B-PRECISE-01

Phase 1 Completed

62 enrolled 18 charts

Breast Neoplasms

NCT03099174 2025-06-24

This Study in Patients With Different Types of Cancer (Solid Tumours) Aims to Find a Safe Dose of Xentuzumab in Combination With Abemaciclib With or Without Hormonal Therapies. The Study Also Tests How Effective These Medicines Are in Patients With Lung and Breast Cancer

Phase 1 Completed

133 enrolled 26 charts

Breast Neoplasms, Neoplasms

NCT06515470 2025-06-06

Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of BTX-9341 in Advanced and/or Metastatic Breast Cancer

Phase 1 Recruiting

Breast Neoplasms

NCT06253195 2025-06-05

BGB-43395 Alone or as Part of Combination Therapies in Chinese Participants With HR+/HER2- Breast Cancer and Other Advanced Solid Tumors

Phase 1 Active not recruiting

Breast Neoplasms, Neoplasm Metastasis

NCT05759949 2025-05-16

First-in-Human Study of RLY-5836 in Advanced Breast Cancer and Other Solid Tumors

Phase 1 Completed

Breast Neoplasms

NCT06941142 2025-04-23

A Study of Sirolimus (Albumin-Bound) in Combination With Palbociclib and Fulvestrant for the Treatment of Advanced Breast Cancer

Phase 1 Not yet recruiting

Advanced Breast Cancer

NCT05384119 2025-02-21

Phase 1b/2 Study of TTI-101 in Combination for Patients With Metastatic Hormone Receptor-Positive and HER2-Negative Breast Cancer

Phase 1 Terminated

Breast Neoplasms

NCT04060862 2024-11-08

IPATunity150

Phase 1 Terminated

20 enrolled 11 charts

Breast Neoplasms

NCT01394016 2024-09-19

A Phase 1 Study of LY2835219 In Participants With Advanced Cancer

Phase 1 Completed

225 enrolled 31 charts

Advanced Cancer

NCT02964507 2024-08-29

Dose Escalation and Expansion Study of GSK525762 in Combination With Fulvestrant in Participants With Hormone Receptor-positive (HR+)/Human Epidermal Growth Factor Receptor 2 Negative (HER2-) Advanced or Metastatic Breast Cancer

Phase 1 Terminated

124 enrolled 23 charts

Breast Neoplasms, Neoplasms

NCT01296555 2024-07-31

A Dose Escalation Study Evaluating the Safety and Tolerability of GDC-0032 in Participants With Locally Advanced or Metastatic Solid Tumors or Non-Hodgkin's Lymphoma (NHL) and in Combination With Endocrine Therapy in Locally Advanced or Metastatic Hormone Receptor-Positive Breast Cancer

Phase 1 Terminated

674 enrolled 55 charts

Lymphoma, Non-Hodgkin

NCT02599714 2024-06-06

PASTOR

Phase 1 Completed

Breast Neoplasms

NCT04726332 2024-05-14

Study of XL102 as Single-Agent and Combination Therapy in Subjects With Solid Tumors (QUARTZ-101)

Phase 1 Terminated

BreastGynecologic

Carcinoma, Ovarian Epithelial, Neoplasms, Triple Negative Breast Neoplasms

NCT06172322 2024-04-23

A Phase Ib/Ⅱ Study of NTQ1062 in Combination With Fulvestrant in Patients With Advanced HR Positive /HER-2 Negative Breast Cancer

Phase 1 Unknown

HR Positive/HER-2 Negative Breast Cancer

NCT05905341 2023-11-08

Study of PF-07224826, as a Single Agent or in Combination With Endocrine Therapy in Participants With Breast Cancer and Other Advanced Solid Tumors.

Phase 1 Withdrawn

BreastGynecologicSarcomaThoracic

Breast Neoplasms, Carcinoma, Non-Small-Cell Lung, Liposarcoma, Ovarian Neoplasms

NCT04247126 2023-10-27

A Study of SY 5609, a Selective CDK7 Inhibitor, in Advanced Solid Tumors

Phase 1 Completed

BreastGastrointestinalThoracic

Breast Neoplasms, Pancreatic Neoplasms, Small Cell Lung Carcinoma

NCT06074757 2023-10-10

Open Label, Sequential Dosing , Single Ascending Dose and Multiple Dose Safety Tolerability and Pharmacokinetic Study

Phase 1 Completed

Breast Neoplasms

NCT06047184 2023-09-21

Phase I Study of BEBT-209 in Women With Advanced Breast Cancer

Phase 1 Unknown

Advanced Breast Cancer

NCT02333370 2023-06-08

A Phase Ib Dose Escalation Study of the Combination of LEE011 With Letrozole and Dose Expansion of LEE011 With Hormonal Therapy for the Treatment of Pre-(With Goserelin) and Postmenopausal Women With Hormone Receptor Positive, HER2-negative, Advanced Breast Cancer

Phase 1 Completed

Hormone Receptor Positive, HER2-negative, Advanced Breast Cancer

NCT02761694 2023-05-06

MK-4440-001

Phase 1 Terminated

78 enrolled 28 charts

Neoplasms

NCT05504213 2022-08-17

A Phase Ib Study of HS-10352 Plus Fulvestrant in Patients With Advanced Breast Cancer

Phase 1 Unknown

Breast Neoplasms

NCT02684032 2022-07-27

A Study To Assess The Tolerability And Clinical Activity Of Gedatolisib In Combination With Palbociclib/Letrozole Or Palbociclib/Fulvestrant In Women With Metastatic Breast Cancer

Phase 1 Completed

Breast Neoplasms, Hereditary Sensory and Autonomic Neuropathies

NCT01655225 2022-04-08

A Study of LY3023414 in Participants With Advanced Cancer

Phase 1 Completed

BreastLymphoidOther solid neoplasmThoracic

Mesothelioma, Malignant, Breast Neoplasms, Carcinoma, Non-Small-Cell Lung, Lymphoma, Lymphoma, Non-Hodgkin, Mesothelioma, Neoplasm Metastasis

NCT04856371 2021-04-23

Study of CYH33 in Combination With Endocrine Therapy With or Without Palbociclib in Patients With HR+, HER2- Advanced Breast Cancer

Phase 1 Unknown

Advanced Breast Cancer

NCT03134638 2021-03-09

A Study of SY-1365 in Adult Patients With Advanced Solid Tumors

Phase 1 Terminated

BreastGynecologic

Breast Neoplasms, Ovarian Neoplasms

NCT02392611 2020-12-29

Study to Evaluate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Alobresib (Formerly GS-5829) in Adults With Advanced Solid Tumors and Lymphomas and in Combination With Exemestane or Fulvestrant in Adults With Estrogen Receptor Positive Breast Cancer

Phase 1 Completed

33 enrolled 23 charts

Lymphoma

NCT02088684 2020-12-17

Study of LEE011 With Fulvestrant and BYL719 or BKM120 in Advanced Breast Cancer

Phase 1 Completed

Breast Neoplasms