Clinical Trials

200 enrolled

Polycystic Ovary Syndrome

NCT06671912 2026-06-02

LoTam

Phase 3 Suspended

1,156 enrolled

Breast Carcinoma In Situ

NCT07616973 2026-06-01

LET-CC-TAM

240 enrolled

Anovulation, Infertility, Polycystic Ovary Syndrome

NCT06507618 2026-05-08

POWER II

354 enrolled

Breast Neoplasms

NCT02918084 2026-05-06

GIM10-CONSENT

1,000 enrolled

Breast Neoplasms

NCT04852887 2026-04-23

DEBRA

1,670 enrolled

Breast Neoplasms

NCT03625531 2026-04-14

A Trial of Personalized Acupuncture, Fixed Acupuncture, Letrozole and Placebo on Live Birth in Women With PCOS

1,103 enrolled

Polycystic Ovary Syndrome

NCT04095364 2026-03-24

Letrozole With or Without Paclitaxel and Carboplatin in Treating Patients With Stage II-IV Ovarian, Fallopian Tube, or Primary Peritoneal Cancer

450 enrolled

Gynecologic

Fallopian Tube Neoplasms, Ovarian Neoplasms

NCT00893061 2026-03-17

MNEMOSYNE

44 enrolled

Breast Neoplasms

NCT02767661 2026-02-27

MECCA

263 enrolled

Breast Neoplasms

NCT02947685 2026-02-12

PATINA

518 enrolled 15 charts

Breast Neoplasms

NCT07019363 2026-01-21

CDK4/6 Inhibitors Combined With Standard Adjuvant Endocrine Therapy in High-Risk, HR+/HER2+ Early Breast Cancer Patients(CHESS)

1,903 enrolled

Breast Neoplasms

NCT04584853 2026-01-14

POETIC-A

123 enrolled

Breast Cancer Female

NCT07143682 2025-12-16

Letrozole Step up Protocol for Ovulation Induction in Infertile Women With Polycystic Ovary Syndrome

70 enrolled

Infertility, Polycystic Ovary Syndrome

NCT03079011 2025-11-18

PADA-1

1,017 enrolled

Breast Neoplasms

NCT04158362 2025-09-22

AMBRE

180 enrolled

Phase 3 Not yet recruiting

Breast Neoplasms, Neoplasm Metastasis

NCT07061717 2025-07-11

Comparing Endocrine Therapy Combined With High-Dose Palbociclib and Hydroxychloroquine to Endocrine Therapy Combined With Standard-Dose Palbociclib for Hormone Receptor-Positive and HER2-Negative Advanced Breast Cancer

474 enrolled

Hormone Receptor-Positive and HER2-Negative Advanced Breast Cancer

NCT05207709 2025-04-29

HARMONIA

456 enrolled

Breast Neoplasms

NCT00265759 2025-04-23

Exemestane, Letrozole, or Anastrozole in Treating Postmenopausal Women Who Are Undergoing Surgery for Stage II or Stage III Breast Cancer

622 enrolled 18 charts

Phase 3 Not yet recruiting

Breast Neoplasms

NCT06223698 2025-04-20

SWE-Switch

3,832 enrolled

Breast Neoplasms

NCT04421547 2025-03-07

MITO32

Phase 3 Terminated

86 enrolled

Gynecologic

Carcinoma, Ovarian Epithelial

NCT06418347 2025-02-24

Effect of ALA Combined With Letrozole on Polycystic Ovary Syndrome Clinical Outcome in Infertile Females

150 enrolled

Infertility, Infertility, Female, Polycystic Ovary Syndrome

NCT00949598 2025-02-13

Letrozole or Tamoxifen Citrate in Treating Older Postmenopausal Women Undergoing Surgery for Breast Cancer

177 enrolled

Breast Neoplasms

NCT05601700 2025-01-27

LEPRE

132 enrolled

Gynecologic

Carcinoma, Ovarian Epithelial

NCT06486870 2024-07-05

Comparison Between Two Ovulation Induction Therapies and LOD on Clinical Outcomes in CC-Resistant PCOS Women

183 enrolled

Polycystic Ovary Syndrome

NCT00673335 2024-07-01

LIBER

170 enrolled

BreastGynecologic

Breast Neoplasms, Hereditary Breast and Ovarian Cancer Syndrome

NCT02344472 2024-06-04

Detect V / CHEVENDO (Chemo vs. Endo)

271 enrolled

Breast Neoplasms

NCT01064635 2024-05-08

GIM4

2,056 enrolled

Breast Neoplasms

NCT06403488 2024-05-08

Letrozole Dose Increments in PCOS Patients Resistant to Letrozole

102 enrolled

Polycystic Ovary Syndrome

NCT06405243 2024-05-08

Myoinositol, L-arginine and Chromium With Letrozole for Ovulation Induction in Polycystic Ovarian Syndrome Patients

100 enrolled

Polycystic Ovary Syndrome

NCT05891093 2024-02-08

Efficacy and Safety of Fluzoparib Combined With Adjuvant Endocrine Therapy for HR+/HER2- SNF3-subtype Early Breast Cancer (BCTOP-L-A01)

766 enrolled

Breast Neoplasms

NCT00545077 2023-03-31

Bevacizumab + Endocrine Treatment vs Endocrine Treatment as First Line in Postmenopausal Women

380 enrolled 21 charts

Breast Neoplasms

NCT00412022 2023-03-24

HOBOE

1,294 enrolled

Breast Neoplasms

NCT05439499 2022-07-06

This is a Multicenter, Randomized, Double-blind, Placebo-controlled Phase III Clinical Study Evaluating the Efficacy and Safety of FCN-437c Versus Placebo in Combination With Letrozole or Anastrozole ± Goserelin in Women With HR+ and HER2- Advanced Breast Cancer.

434 enrolled

Advanced Breast Cancer

NCT05429684 2022-06-23

Precise Therapy for Refractory HER2 Positive Advanced Breast Cancer

120 enrolled

HER2+ Breast Cancer

NCT04047758 2021-07-20

Palbociclib Combined With an Aromatase Inhibitor in Breast Cancer

420 enrolled

Breast Neoplasms

NCT02491320 2021-06-23

PCOSAPct

384 enrolled

Polycystic Ovary Syndrome

NCT02730091 2021-02-01

VICTORIANE

Phase 3 Terminated

98 enrolled

Breast Neoplasms

NCT02511639 2020-12-03

MAIN-A

110 enrolled

Breast Cancer Metastatic

NCT01758146 2020-03-04

Impact of Obesity on the Efficacy of Endocrine Therapy With Aromatase Inhibitors

412 enrolled

BreastOther

Breast Neoplasms, Obesity

NCT02338310 2020-02-17

POETIC

4,486 enrolled

Breast Neoplasms

NCT00541086 2020-02-07

Study of Anastrozole, Letrozole, or Exemestane With or Without Tamoxifen in Treating Postmenopausal Women With Hormone-Responsive Breast Cancer That Has Been Completely Removed By Surgery

3,697 enrolled

Breast Neoplasms

NCT00908531 2019-04-29

REAL

Phase 3 Terminated

123 enrolled

Breast Neoplasms

NCT00719186 2018-06-14

PPCOSII

750 enrolled 12 charts

Infertility, Polycystic Ovary Syndrome

NCT02769104 2018-01-09

ACCN

120 enrolled

Breast Neoplasms

NCT02980965 2017-11-13

Neoadjuvant Chemo-endocrine Therapy Versus Chemotherapy Alone in ER-positive, HER2-negative Breast Cancer

249 enrolled

Breast Neoplasms

NCT00107263 2016-12-06

Zoledronate in Preventing Bone Loss in Postmenopausal Women Who Are Receiving Letrozole for Stage I, Stage II, or Stage IIIA Breast Cancer

558 enrolled

Breast Neoplasms, Osteoporosis

NCT01577017 2012-06-14

The Effects of Letrozole And Clomiphene Citrate For Induction of Ovulation In Polycystic Ovarian Syndrome(PCOS)

150 enrolled

Polycystic Ovary Syndrome

NCT00403182 2012-06-01

Chemotherapy and Hormone Therapy as First-Line Therapy in Treating Postmenopausal Women With Metastatic or Locally Advanced Breast Cancer

Phase 3 Withdrawn