Clinical trials: Letrozole
Leiomyoma, Uterine Fibroids
Pilot of Letrozole for Uterine Myomas
PLUM evaluates the drug letrozole as a treatment for uterine fibroids. This study is a randomized, blinded, placebo-controlled trial of oral letrozole among premenopausal women with symptomatic uterine fibroids.
- Trial name
- PLUM (NCT02470741)
- Testing
- Letrozole
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- University of California, San Francisco
Metastatic or Locally-advanced Unresectable Breast Cancer
BYL719 Plus Letrozole or Exemestane for Patients With Hormone-Receptor Positive Locally-Advanced Unresectable or Metastatic Breast Cancer
The purpose of this study is to test the safety of a drug called BYL719 at different dose levels. The investigators want to find out what effects, good and/or bad, BYL719 has on the patient and breast cancer.
- Trial name
- NCT01870505
- Testing
- BYL719, Letrozole, Exemestane
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- Memorial Sloan Kettering Cancer Center
Leiomyosarcoma
Letrozole in Women With Advanced Estrogen/Progesterone Receptor Positive Uterine Leiomyosarcoma
The purpose of this research study is to determine if letrozole is effective at controlling the growth or spread of estrogen and/or progesterone receptor positive uterine leiomyosarcoma.
- Trial name
- NCT00856050
- Testing
- letrozole
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- Dana-Farber Cancer Institute
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 Neoplasms, Neoplasm Metastasis
A Study of Abemaciclib in Indian Women With Advanced Breast Cancer
The main purpose of this study is to learn more about the safety and tolerability of abemaciclib when given in combination with hormone therapy in Indian women with advanced breast cancer.
- Trial name
- NCT04707196
- Testing
- Abemaciclib, Nonsteroidal Aromatase Inhibitor (NSAI), Fulvestrant
- Where
- 15 sites in India
- Volunteers
- 200 people
- Sponsor
- Eli Lilly and Company
Bone Loss, Breast Cancer
Zoledronic Acid in the Prevention of Cancer Treatment Related Bone Loss in Postmenopausal Women Receiving Letrozole for Breast Cancer.
Post-menopausal breast cancer patients will receive letrozole 2.5 mg daily for the treatment of breast cancer and will be randomized to a treatment group to receive either upfront zoledronic acid 4 mg IV 15-minute infusion every…
- Trial name
- NCT00171340
- Testing
- Zoledronic acid, Letrozole
- Where
- 106 sites in Argentina, Australia and 26 more
- Volunteers
- 1,065 people
- Sponsor
- Novartis Pharmaceuticals
Advanced Metastatic Breast Cancer
Study of Efficacy and Safety in Premenopausal Women With Hormone Receptor Positive, HER2-negative Advanced Breast Cancer
The purpose of this study was to determine whether treatment with tamoxifen or a non-steroidal aromatase inhibitors (NSAI) + goserelin + LEE011 prolonged progression-free survival (PFS) compared to treatment with tamoxifen or a…
- Trial name
- MONALEESA-7 (NCT02278120)
- Testing
- Ribociclib, Tamoxifen, Letrozole
- Where
- 183 sites in United States, Argentina and 28 more
- Volunteers
- 672 people
- Sponsor
- Novartis Pharmaceuticals
Osteoporosis, Postmenopausal
Safety/Efficacy of Letrozole Monotherapy or in Combination With Zoledronic Acid as Extended Adjuvant Treatment of Postmenopausal Patients With Primary Breast Cancer
This was a prospective, randomized, open-label, two arm phase III trial designed to evaluate the efficacy and safety of zoledronic acid in preventing bone loss in postmenopausal women with operable breast cancer who had received…
- Trial name
- NCT00332709
- Testing
- Letrozole, Zoledronic acid
- Where
- 23 sites in Germany
- Volunteers
- 83 people
- Sponsor
- Novartis
Breast Neoplasms
Aromatase Inhibitor Host Factors Study
The purpose of this study is to examine how key patient factors, including body size affect how well letrozole suppresses circulating estrogen levels.
- Trial name
- NCT01669343
- Testing
- Letrozole
- Where
- 3 sites in Canada
- Volunteers
- 121 people
- Sponsor
- Samuel Lunenfeld Research Institute, Mount Sinai Hospital
Hepatopulmonary Syndrome
Letrozole in Patients With Hepatopulmonary Syndrome
The purpose of this study is to assess the safety, tolerability and possible benefit of letrozole compared to placebo in patients with Hepatopulmonary Syndrome.
- Trial name
- NCT04577001
- Testing
- Letrozole
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Mayo Clinic
Early Breast Cancer (Phase 2), Advanced Breast Cancer (Phase 1b)
Pre-Operative Study of PF-4691502 With Letrozole Compared To Letrozole Alone In Patients With Early Breast Cancer
PF-04691502 is an inhibitor of PI3K and mTOR kinase. Published data support the hypothesis that a PI3K/mTOR antagonist in combination with letrozole might mitigate the intrinsic or acquired resistance to hormonal therapy and…
- Trial name
- NCT01430585
- Testing
- PF-04691502, PF-04691502 in combination with Letrozole, Letrozole
- Where
- 5 sites in Belgium, Italy and 2 more
- Volunteers
- 14 people
- Sponsor
- Pfizer
Metastatic ER+ Her2- Breast Cancer, Postmenopausal
A Study of Abiraterone Acetate Plus Prednisone With or Without Exemestane in Postmenopausal Women With Estrogen Receptor-Positive (ER+) Metastatic Breast Cancer Progressing After Letrozole or Anastrozole Therapy
The purpose of this study is to assess the safety and efficacy of oral abiraterone acetate plus oral prednisone and oral abiraterone acetate plus oral prednisone plus oral exemestane, each compared with oral exemestane alone, in…
- Trial name
- NCT01381874
- Testing
- Exemestane, Abiraterone acetate + Prednisone/ Prednisolone + Exemestane, Abiraterone acetate + Prednisone or Prednisolone
- Where
- 81 sites in United States, Belgium and 10 more
- Volunteers
- 297 people
- Sponsor
- Janssen Research & Development, LLC
Breast Cancer
Extended Endocrine Therapy for Premenopausal Women With Breast Cancer
The purpose of this study is to determine the safety and tolerability of the combination of two drugs (letrozole and leuprolide) in women who have already taken tamoxifen for at least 4.5 years.
- Trial name
- NCT00903162
- Testing
- leuprolide, letrozole, zoledronic acid
- Where
- 4 sites in United States
- Volunteers
- 17 people
- Sponsor
- Dana-Farber Cancer Institute
Breast Cancer
Exemestane, Letrozole, or Anastrozole in Treating Postmenopausal Women Who Are Undergoing Surgery for Stage II or Stage III Breast Cancer
RATIONALE: Estrogen can cause the growth of breast cancer cells. Hormone therapy using exemestane, letrozole, or anastrozole, may fight breast cancer by lowering the amount of estrogen the body makes.
- Trial name
- NCT00265759
- Testing
- anastrozole, exemestane, letrozole
- Where
- 3 sites in United States
- Volunteers
- 622 people
- Sponsor
- Alliance for Clinical Trials in Oncology
Endometrial Cancer
Letrozole and RAD001 With Advanced or Recurrent Endometrial Cancer
The goal of this clinical research study is to learn if the combination of RAD001 (everolimus) and Femara (letrozole) can help to control recurrent or progressive endometrial cancer.
- Trial name
- NCT01068249
- Testing
- Letrozole, RAD001 (Everolimus)
- Where
- 2 sites in United States
- Volunteers
- 42 people
- Sponsor
- M.D. Anderson Cancer Center
Ovarian Endometrioid Adenocarcinoma, Ovarian Seromucinous Carcinoma
Everolimus and Letrozole in Treating Patients With Recurrent Hormone Receptor Positive Ovarian, Fallopian Tube, or Primary Peritoneal Cavity Cancer
This pilot, phase II trial studies how well everolimus and letrozole work in treating patients with hormone receptor positive ovarian, fallopian tube, or primary peritoneal cavity cancer that has come back.
- Conditions
- Ovarian Endometrioid Adenocarcinoma, Ovarian Seromucinous Carcinoma, Ovarian Serous Cystadenocarcinoma, Ovarian Serous Surface Papillary Adenocarcinoma
- Trial name
- NCT02283658
- Testing
- Everolimus, Laboratory Biomarker Analysis, Letrozole
- Where
- 2 sites in United States
- Volunteers
- 20 people
- Sponsor
- Mayo Clinic
Breast Cancer
Comparison Trial of Letrozole to Anastrozole in the Adjuvant Treatment of Postmenopausal Women With Hormone Receptor and Node Positive Breast Cancer
Eligible patients will be post-menopausal hormone receptor- and lymph node-positive females who recently underwent primary surgery for breast cancer.
- Trial name
- FACE (NCT00248170)
- Testing
- Letrozole, Anastrozole
- Where
- 259 sites in United States, Australia and 18 more
- Volunteers
- 4,172 people
- Sponsor
- Novartis Pharmaceuticals
Breast Cancer
Letrozole in Treating Postmenopausal Women With Ductal Carcinoma in Situ
RATIONALE: Estrogen can cause the growth of breast cancer cells. Hormone therapy using letrozole may fight breast cancer by blocking the use of estrogen by the tumor cells or by lowering the amount of estrogen the body makes.
- Trial name
- NCT01439711
- Testing
- letrozole, MRI, conventional surgery
- Where
- 32 sites in United States
- Volunteers
- 108 people
- Sponsor
- Alliance for Clinical Trials in Oncology
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)
Pregnancy, Polycystic Ovary Syndrome
Pregnancy in Polycystic Ovary Syndrome II
The primary research hypothesis is that ovulation induction with an aromatase inhibitor (letrozole) is more likely to result in live birth than ovulation induction with a selective estrogen receptor modulator (clomiphene citrate)…
- Trial name
- PPCOSII (NCT00719186)
- Testing
- Clomiphene citrate, Letrozole
- Where
- 12 sites in United States
- Volunteers
- 750 people
- Sponsor
- Yale University