Clinical trials: Letrozole, active
Breast Cancer
Study of LEE011, BYL719 and Letrozole in Advanced ER+ Breast Cancer
The purpose of this trial is to inform the future clinical development of the two investigational agents in ER+ breast cancer, LEE011 (CDK4/6 inhibitor) and BYL719 (PI3K-alpha inhibitor).
- Trial name
- NCT01872260
- Testing
- LEE011, Letrozole, BYL719
- Where
- 25 sites in United States, Australia and 6 more
- Volunteers
- 259 people
- Sponsor
- Novartis Pharmaceuticals
Metastatic Breast Cancer
Roll-over Study to Allow Continued Access to Ribociclib
The purpose of this study is to assess the long-term safety of ribociclib (LEE011) in combination with other drugs and provide post-trial access (PTA) to participants who are currently receiving treatment with ribociclib in…
- Trial name
- NCT05161195
- Testing
- Ribociclib, Letrozole, Anastrozole
- Where
- 73 sites in United States, Argentina and 20 more
- Volunteers
- 134 people
- Sponsor
- Novartis Pharmaceuticals
HR+/HER2+ Early Breast Cancer
Fovinaciclib Plus Aromatase Inhibitors and Dual HER2 Blockade in a Response-Adapted Neoadjuvant Strategy for HR-Positive/HER2-Positive Early Breast Cancer
This prospective, response-adapted phase II study evaluates the efficacy and safety of neoadjuvant fovinaciclib in combination with aromatase inhibitors and dual HER2 blockade in patients with HR-positive/HER2-positive early…
- Trial name
- TAYLOR-003 (NCT07616427)
- Testing
- Fovinaciclib, Aromatase Inhibitors, Trastuzumab + Pertuzumab
- Where
- 3 sites in China
- Volunteers
- 100 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Breast Cancer
Stage I HER2 Positive Invasive Breast Cancer De-escalation Study(IRIS)
This is an open label, phase II study evaluating the efficacy and safety of trastuzumab combined with oral chemotherapy or endocrine therapy in patients with HER-2 positive stage I breast cancer.
- Trial name
- IRIS (NCT04383275)
- Testing
- capecitabine and trastuzumab, endocrine therapy and trastuzumab
- Where
- China
- Volunteers
- 367 people
- Sponsor
- Fudan University
Luteinised Follicular Cyst
Effects of Letrozole During the Luteal Phase After Controlled Ovarian Stimulation in Oocyte Donors.
The objective of this trial is to determine whether the use of letrozole during the luteal phase in oocyte donors diminishes the ovarian volume, as well as to evaluate its effect on the duration of the luteal phase, taking into…
- Trial name
- LETRODON (NCT06244745)
- Testing
- Administration of letrozole
- Where
- Spain
- Volunteers
- 152 people, healthy volunteers welcome
- Sponsor
- IVI Madrid
Breast Cancer Stage IV, Radiotherapy
Locoregional Treatment and Palbociclib in de Novo, Treatment Naive, Stage IV ER+, HER2- Breast Cancer Patients
Approximately 3.5% to 6% of newly diagnosed breast cancer patients are stage IV metastatic. De novo metastatic breast cancer accounts for 20% to 25% of these cases.
- Conditions
- Breast Cancer Stage IV, Radiotherapy, Surgery
- Trial name
- PALATINE (NCT03870919)
- Testing
- Palbociclib, locoregional treatment
- Where
- 26 sites in France
- Volunteers
- 200 people
- Sponsor
- UNICANCER
Breast Cancer
Pyrotinib Combined With Trastuzumab, Dalpiciclib, Letrozole Versus TCbHP (Trastuzumab Plus Pertuzumab With Docetaxel and Carboplatin) as Neoadjuvant Treatment in HR +/HER2 + Breast Cancer
This is an investigator-initiated randomized controlled, open-label, multicenter, prospective Phase 2 clinical study. Patients with stage II-III HR +/HER2 + breast cancer were randomly divided into two groups at a ratio of 1:1.
- Trial name
- NCT05638594
- Testing
- Pyrotinib, Trastuzumab, Dalpiciclib
- Where
- China
- Volunteers
- 236 people
- Sponsor
- Shengjing Hospital
HR+ / HER2- Advanced Breast Cancer
Dalpiciclib Combined With Aromatase Inhibitors and Olmesartan as the First-line Treatment for HR+/HER2- Advanced Breast Cancer
This study is a prospective, single-arm, multicenter phase II clinical trial. The study plans to enroll 40 patients with HR+/HER2- advanced breast cancer to explore the efficacy and safety of patients receiving olmesartan…
- Trial name
- NCT07810088
- Testing
- Treatment
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Salivary Gland Carcinoma, Precision Therapy
Precision Treatment of Recurrent/Metastatic Salivary Gland Carcinoma Guided by Molecular Typing
Patients with salivary gland carcinoma were divided into groups according to HER2, NTRK, AR, TROP-2, etc. Patients in different groups were given precision targeted therapy or chemotherapy to evaluate the efficacy (ORR rate) and…
- Trial name
- NCT06145308
- Testing
- Cohort 1 (HER2-positive, RC48-ADC), Cohort 2 (NTRK-fusion or NTRK-mutant), Cohort 3 (AR-positive, leuprolide + bicalutamide + abiraterone)
- Where
- 2 sites in China
- Volunteers
- 39 people
- Sponsor
- Peking Union Medical College
Hormone Receptor-Positive, HER2-Negative, Node Positive Breast Cancer
Neoadjuvant Letrozole in Postmenopausal Women With Hormone Receptor-Positive, HER2-Negative, Node Positive, Early-Stage Breast Cancer.
The goal of this clinical trial is to learn whether letrozole, a hormone therapy drug, is effective in treating early-stage, hormone receptor-positive, HER2-negative breast cancer that has spread to nearby lymph nodes in…
- Trial name
- NELOPHER (NCT07394946)
- Testing
- Letrozole
- Where
- Pakistan
- Volunteers
- 126 people
- Sponsor
- Cancer Care Hospital & Research Centre Foundation, Lahore
Hormone Receptor-Positive HER2-Negative Advanced Breast Cancer
Phase II Lenvatinib and Pembrolizumab in Endocrine Resistant Breast Cancer With Letrozole
This is a phase II study testing the combination of Pembrolizumab with Lenvatinib, a multi-kinase inhibitor that has activity against vascular endothelial growth factor receptors 1-3 (VEGFR1-3), fibroblast growth factor receptors…
- Trial name
- LaPemERLA (NCT05286437)
- Testing
- Oral Lenvatinib + Intravenous (IV) Pembrolizumab + Oral Letrozole
- Where
- Singapore
- Volunteers
- 40 people
- Sponsor
- National Cancer Centre, Singapore
Abortion Induced Complicated, Abortion
Second Trimester Abortion With Letrozole and Misoprostol Compared to Misoprostol Alone
Termination of Second trimester Abortion with Letrozole and Misoprostol Compared to Misoprostol Alone
- Trial name
- NCT07767435
- Testing
- · Misoprostol + letrozole, misoprostol alone
- Volunteers
- 80 people
- Sponsor
- Sohag University
Breast Cancer, Stage IV Breast Cancer
Surgery vs. No Surgery for Primary Tumor in De Novo Stage IV Breast Cancer With Solitary Bone Metastases
This is a national multicenter, prospective, randomized controlled trial. The study aims to compare the 5-year overall survival (OS) between patients receiving primary tumor surgery followed by systemic therapy (surgery group)…
- Conditions
- Breast Cancer, Stage IV Breast Cancer, Bone Metastases
- Trial name
- POSITIVE-Bone (NCT07687225)
- Testing
- Primary Tumor Resection, Standard systemic therapy
- Volunteers
- 216 people
- Sponsor
- West China Hospital
Malignant Neoplasm
A Study of MK-5684 in People With Certain Solid Tumors (MK-5684-015/OMAHA-015)
Researchers want to learn if MK-5684 (the study medicine) can treat breast cancer, ovarian cancer, and endometrial cancer. MK-5684, the study medicine, is designed to treat cancer by blocking the body from making steroid…
- Trial name
- NCT06979596
- Testing
- Opevesostat, Fludrocortisone/ Fludrocortisone acetate, Dexamethasone/Dexamethasone acetate
- Where
- 60 sites in United States, Argentina and 11 more
- Volunteers
- 250 people
- Sponsor
- Merck Sharp & Dohme LLC
Breast Cancer Female
Pre-Operative Window of Adjuvant Endocrine Therapy to Inform RT Decisions in Older Women With Early-Stage Breast Cancer
This is a prospective multisite exploratory study for women ≥ 65 years of age with early stage estrogen receptor positive (ER+) breast cancer.
- Trial name
- POWER (NCT04272801)
- Testing
- tamoxifen, letrozole, anastrozole, or exemestane, Patient reported outcomes
- Where
- 2 sites in United States
- Volunteers
- 84 people
- Sponsor
- Shayna Showalter, MD
Brain Tumor
Study of Letrozole in Recurrent Gliomas
The purpose of this study is to determine the ability of letrozole to penetrate the blood brain barrier and concentrate in gliomas.
- Trial name
- NCT03122197
- Testing
- Letrozole Oral Tablet, Temozolomide
- Where
- United States
- Volunteers
- 39 people
- Sponsor
- University of Cincinnati
Breast Cancer, HER2-positive
A Phase 2 Single-Arm Open-Label Pilot Trial Evaluating Zanidatamab (ZW25) in Patients With Early Stage HER2/Neu Positive (HER2+) Breast Cancer (BC)
This is a Phase 2, single-site, single-arm open-label trial of zanidatamab in patients with early stage, low risk HER2+ BC. The primary objective is to determine the efficacy of zanidatamab for patients with early stage HER2/neu…
- Trial name
- NCT05035836
- Testing
- Zanidatamab, Letrozole, Tamoxifen
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- M.D. Anderson Cancer Center
Advanced Breast Cancer, Treatment
Combination Followed by Maintenance Chemotherapy Versus CDK4/6 Inhibitor Combined With Endocrine Therapy for HR Low/HER2-negative Advanced Breast Cancer: a Prospective, Randomized, Open-label Phase Ⅱ Clinical Trial
To observe the differences in the efficacy of Combination followed by maintenance chemotherapy versus CDK4/6 inhibitor combined with endocrine therapy in HR low expression /HER2 negative advanced breast cancer, and to provide new…
- Conditions
- Advanced Breast Cancer, Treatment, HR Low/HER2 Negative
- Trial name
- NCT06176534
- Testing
- Experimental: chemotheyapy, Active Comparator: endocrine therapy
- Where
- China
- Volunteers
- 240 people
- Sponsor
- Henan Cancer Hospital
Recurrent Endometrial Carcinoma, Recurrent Fallopian Tube Carcinoma
Abemaciclib for the Treatment of Recurrent Ovarian or Endometrial Cancer
This phase II trial studies how well abemaciclib works in treating patients with ovarian or endometrial cancer that has an activation of the CDK4/6 pathway and that has come back (recurrent).
- Conditions
- Recurrent Endometrial Carcinoma, Recurrent Fallopian Tube Carcinoma, Recurrent Ovarian Carcinoma, Recurrent Primary Peritoneal Carcinoma
- Trial name
- NCT04469764
- Testing
- Abemaciclib, Anastrozole, Letrozole
- Where
- United States
- Volunteers
- 32 people
- Sponsor
- Jonsson Comprehensive Cancer Center
Endometriotic Cyst of Ovary
Letrozole in Preventing Recurrence of Endometrioma Following Laparoscopic Ovarian Cystectomy
Endometriosis is a chronic inflammatory disease that affects approximately 10-15% of women of reproductive age. Symptoms include dysmenorrhoea, chronic pelvic pain, dyspareunia and infertility.
- Trial name
- NCT05487092
- Testing
- Letrozole
- Where
- 5 sites in Hong Kong
- Volunteers
- 194 people
- Sponsor
- The University of Hong Kong