Clinical trials: Letrozole, completed
Breast Cancer
Letrozole in Preventing Cancer in Postmenopausal Women Who Have Received 4-6 Years of Hormone Therapy for Hormone Receptor-Positive, Lymph Node-Positive, Early-Stage Breast Cancer
RATIONALE: Estrogen can cause the growth of breast cancer cells. Letrozole may fight breast cancer by lowering the amount of estrogen the body makes.
- Trial name
- SOLE (NCT00553410)
- Testing
- Letrozole
- Where
- 164 sites in United States, Australia and 18 more
- Volunteers
- 4,884 people
- Sponsor
- ETOP IBCSG Partners Foundation
Breast Cancer, Estrogen Receptor Positive Tumor
To Reduce the Use of Chemotherapy in Postmenopausal Patients With ER-positive and HER2-positive Breast Cancer (TOUCH)
This is a phase II open-label, multicentre, randomized trial. The study assesses the treatment of postmenopausal patients with hormone receptor positive/HER2 positive early breast cancer with neoadjuvant palbociclib in…
- Conditions
- Breast Cancer, Estrogen Receptor Positive Tumor, HER2-positive Breast Cancer
- Trial name
- TOUCH (NCT03644186)
- Testing
- Paclitaxel, Trastuzumab, Pertuzumab
- Where
- 54 sites in Belgium, France and 2 more
- Volunteers
- 147 people
- Sponsor
- ETOP IBCSG Partners Foundation
Advanced Breast Carcinoma, HER2-Positive Breast Carcinoma
TVB-2640 and Trastuzumab With Paclitaxel or Endocrine Therapy for Treatment of HER2 Positive Metastatic Breast Cancer
This phase II trial studies how well FASN inhibitor TVB-2640, paclitaxel, and trastuzumab work in treating patients with HER2 positive breast cancer that has spread to other places in the body (metastatic).
- Conditions
- Advanced Breast Carcinoma, HER2-Positive Breast Carcinoma, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8
- Trial name
- NCT03179904
- Testing
- Anastrozole, Denifanstat, Exemestane
- Where
- 3 sites in United States
- Volunteers
- 17 people
- Sponsor
- Mayo Clinic
Estrogen Receptor-positive Breast Cancer, HER2/Neu Negative
Testing the Effects of Palbociclib and Fulvestrant or Letrozole for Patients 70 Years of Age of Older With Metastatic Breast Cancer
This phase II trial studies the side effects and how well palbociclib and letrozole or fulvestrant works in treating patients aged 70 years and older with estrogen receptor positive, HER2 negative breast cancer that has spread to…
- Conditions
- Estrogen Receptor-positive Breast Cancer, HER2/Neu Negative, Stage IV Breast Cancer AJCC v6 and v7
- Trial name
- NCT03633331
- Testing
- Palbociclib, Letrozole, Fulvestrant
- Where
- 447 sites in United States
- Volunteers
- 93 people
- Sponsor
- Alliance for Clinical Trials in Oncology
Metastatic Breast Cancer
ER Reactivation Therapy for Breast Cancer
Before anti-estrogens such as tamoxifen were developed to treat estrogen receptor (ER)-positive breast cancer, high-dose estrogen therapies were used.
- Trial name
- POLLY (NCT02188745)
- Testing
- 17B-estradiol, Letrozole, Anastrozole
- Where
- 3 sites in United States
- Volunteers
- 20 people
- Sponsor
- Dartmouth-Hitchcock Medical Center
Breast Cancer Invasive Nos
TRial on the Endocrine Activity of Neoadjuvant Degarelix
The purpose of the this study is to investigate the anti-tumor activity and tolerability of the study medications Degarelix and Triptorelin in premenopausal women receiving preoperative treatment with Letrozole.
- Trial name
- TREND (NCT02005887)
- Testing
- triptorelin, degarelix, letrozole
- Where
- 7 sites in Italy
- Volunteers
- 51 people
- Sponsor
- ETOP IBCSG Partners Foundation
Invasive Breast Carcinoma, Recurrent Breast Carcinoma
Tamoxifen Citrate or Letrozole With or Without Bevacizumab in Treating Women With Stage IIIB or Stage IV Breast Cancer
This randomized phase III trial studies tamoxifen citrate or letrozole together with bevacizumab to see how well it works compared with tamoxifen citrate or letrozole alone in treating women with stage IIIB or stage IV breast…
- Conditions
- Invasive Breast Carcinoma, Recurrent Breast Carcinoma, Stage III Breast Cancer AJCC v6, Stage IV Breast Cancer AJCC v6 and v7
- Trial name
- NCT00601900
- Testing
- Bevacizumab, Laboratory Biomarker Analysis, Letrozole
- Where
- 522 sites in United States, Puerto Rico
- Volunteers
- 394 people
- Sponsor
- National Cancer Institute (NCI)
Borderline Ovarian Serous Tumor, Micropapillary Serous Carcinoma
Trametinib in Treating Patients With Recurrent or Progressive Low-Grade Ovarian Cancer or Peritoneal Cavity Cancer
This phase II/III trial studies how well trametinib works and compares it to standard treatment with either letrozole, tamoxifen, paclitaxel, pegylated liposomal doxorubicin, or topotecan in treating patients with low-grade…
- Conditions
- Borderline Ovarian Serous Tumor, Micropapillary Serous Carcinoma, Ovarian Serous Adenocarcinoma, Primary Peritoneal Serous Adenocarcinoma
- Trial name
- NCT02101788
- Testing
- Letrozole, Paclitaxel, Pegylated Liposomal Doxorubicin Hydrochloride
- Where
- 501 sites in United States, United Kingdom
- Volunteers
- 260 people
- Sponsor
- National Cancer Institute (NCI)
Endometrial Cancer
A Phase II, Single-Arm Study of RAD001 (Everolimus), Letrozole, and Metformin in Patients With Advanced or Recurrent Endometrial Carcinoma
The goal of this clinical research study is to learn if the combination of everolimus, letrozole, and metformin can help to control recurrent or progressive endometrial cancer.
- Trial name
- NCT01797523
- Testing
- Metformin, Letrozole, Everolimus
- Where
- 6 sites in United States
- Volunteers
- 62 people
- Sponsor
- M.D. Anderson Cancer Center
Breast Cancer
A Study to Learn About the Study Medicine PF-07220060 Together With Letrozole Compared to Letrozole Alone in Women Post Menopause
The purpose of this study is to learn about the effects of the study medicine PF-07220060 plus letrozole, compared with the effects of taking letrozole alone without PF-07220060 for treatment of breast cancer.
- Trial name
- NCT06465368
- Testing
- PF-07220060, letrozole
- Where
- 51 sites in United States, Australia and 11 more
- Volunteers
- 121 people
- Sponsor
- Pfizer
Breast Cancer
Efficacy and Safety of Ribociclib in Pre- and Postmenopausal Chinese Women With HR Positive, HER2-negative, Advanced Breast Cancer.
This was a randomized, double-blind, placebo-controlled study conducted in Chinese women with hormone receptor positive (HR+), human epidermal growth factor receptor 2 negative (HER2-) advanced breast cancer, plus an open-label…
- Trial name
- NCT03671330
- Testing
- Ribociclib, NSAI: Letrozole or Anastrazole, Goserelin
- Where
- 24 sites in China
- Volunteers
- 327 people
- Sponsor
- Novartis Pharmaceuticals
Breast Neoplasms
A Study Of Palbociclib (PD-0332991) + Letrozole VS. Placebo+ Letrozole For 1st Line Treatment Of Asian Postmenopausal Women With ER+/HER2- Advanced Breast Cancer [PALOMA-4]
The study is designed to compare the clinical benefit following treatment with letrozole in combination with Palbociclib versus letrozole in combination with placebo in Asian postmenopausal women with ER(+)/HER2(-) advanced…
- Trial name
- NCT02297438
- Testing
- Palbociclib, Letrozole
- Where
- 54 sites in China, Hong Kong and 3 more
- Volunteers
- 340 people
- Sponsor
- Pfizer
Breast Cancer Female
Letrozole in Post-Menopausal Patients With Operable Hormone-Sensitive Breast Cancer
A short pre-surgical non-therapeutic trial involving postmenopausal women with newly diagnosed eR+, HeR2-negative operable breast cancers.
- Trial name
- NCT03747042
- Testing
- Letrozole
- Where
- United States
- Volunteers
- 61 people
- Sponsor
- University of Texas Southwestern Medical Center
Advanced Breast Cancer
Palbociclib Pharmacokinetics Study In Postmenopausal Chinese Women With ER (+), HER2 (-) Advanced Breast Cancer
As part of the global clinical development program for Palbociclib, studies are planned in cancer patients in China. An assessment of Palbociclib pharmacokinetics in Chinese patients, as required by the Chinese Health…
- Trial name
- NCT02499146
- Testing
- Palbociclib, Letrozole
- Where
- 7 sites in China
- Volunteers
- 26 people
- Sponsor
- Pfizer
Breast Cancer
Combination of Letrozole, Everolimus and TRC105 in Postmenopausal Women With Hormone-Receptor Positive and Her2 Negative Breast Cancer
This study will test how well a new combination of three drugs (Letrozole, Everolimus, and TRC105) is tolerated and how well it works in Stage 2 and 3 breast cancer when given prior to definitive surgery.
- Trial name
- NCT02520063
- Testing
- Letrozole, Everolimus, TRC105
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- University of Alabama at Birmingham
Endometriosis, Ovarian Hyperstimulation
Assessment and Prevention of Pain During Ovarian Stimulation in Patients With Endometriosis
Randomized double blinded placebo-controlled trial to evaluate the impact of ovarian hyperstimulation on endometriosis-related symptoms and to evaluate the impact of letrozole use during ovarian hyperstimulation with respect to…
- Trial name
- APPOSE (NCT04002141)
- Testing
- Letrozole
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Breast Cancer
Study Assessing the Efficacy and Safety of Alpelisib Plus Fulvestrant or Letrozole, Based on Prior Endocrine Therapy, in Patients With PIK3CA Mutant, HR+, HER2- Advanced Breast Cancer Who Have Progressed on or After Prior Treatments
This was a Phase II, multicenter, open-label, three-cohort, non-comparative study of alpelisib plus endocrine therapy (either fulvestrant or letrozole) in subjects (pre- and post-menopausal women and men) with HR-positive…
- Trial name
- BYLieve (NCT03056755)
- Testing
- Alpelisib, Fulvestrant, Letrozole
- Where
- 94 sites in United States, Argentina and 17 more
- Volunteers
- 383 people
- Sponsor
- Novartis Pharmaceuticals
Breast Cancer
Study to Evaluate Overall Survival in Japanese Patients With HR+/HER2- Advanced Breast Cancer Treated With Palbociclib Plus Letrozole
This is a retrospective, multicenter, observational study in Japan. The primary objective is to evaluate overall survival (OS) in Japanese patients with HR+/HER2- advanced breast cancer who have been treated with palbociclib plus…
- Trial name
- NCT04735367
- Testing
- palbociclib plus letrozole
- Where
- 13 sites in Japan
- Volunteers
- 42 people
- Sponsor
- Pfizer
Breast Cancer
Study to Compare Overall Survival in Medicare Patients With Metastatic Breast Cancer Treated With a Medicine Called Palbociclib in Combination With Aromatase Inhibitor and Aromatase Inhibitor by Itself.
A retrospective study of de-identified (to preserve patient privacy) patient information from the SEER-Medicare Database to compare overall survival of first line palbociclib + aromatase inhibitor (AI) therapy versus AI therapy…
- Trial name
- NCT06086340
- Testing
- Palbociclib, Aromatase Inhibitor
- Where
- United States
- Volunteers
- 779 people
- Sponsor
- Pfizer
Breast Cancer
Study of 2 Ribociclib Doses in Combination With Aromatase Inhibitors in Women With HR+, HER2- Advanced Breast Cancer
The purpose of the study was to evaluate the safety and efficacy of a reduced ribociclib starting dose of 400 mg in combination with a non-steroidal aromatase inhibitor (NSAI) (letrozole or anastrozole) for the treatment of pre…
- Trial name
- AMALEE (NCT03822468)
- Testing
- Ribociclib, Anastrozole, Letrozole
- Where
- 89 sites in United States, Argentina and 21 more
- Volunteers
- 376 people
- Sponsor
- Novartis Pharmaceuticals