Clinical trials: Letrozole
Metastatic Breast Cancer
Palbociclib in Combination With Fulvestrant or Letrozole in Patients With ER+, HER2- Advanced Breast Cancer
This is an international, randomized, open-label, controlled, multicenter phase II clinical trial to investigate and compare the safety and efficacy of palbociclib combined with fulvestrant or letrozole in women with ER+, HER2…
- Trial name
- PARSIFAL (NCT02491983)
- Testing
- Palbociclib, Fulvestrant, Letrozole
- Where
- 48 sites in Czechia, France and 5 more
- Volunteers
- 486 people
- Sponsor
- MedSIR
Breast Cancer
Effect of Aromatase Inhibitors on Breast Magnetic Resonance Imaging (MRI)
This study is a primary investigation to determine the usefulness and safety of a short course of a relatively high dose of letrozole (a medication used to decrease the female hormone estrogen which is produced locally inside the…
- Trial name
- RFCLET2 (NCT01129622)
- Testing
- letrozole
- Where
- Canada
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Mount Sinai Hospital, Canada
Idiopathic Short Stature
Aromatase Inhibitors, Alone And In Combination With Growth Hormone In Adolescent Boys With Idiopathic Short Stature
When treating very short children in puberty we are time-limited, as sex hormones cause the growth plates to fuse and growth to end.
- Trial name
- ThrasherAI (NCT01248416)
- Testing
- Aromatase Inhibitor, Growth Hormone, Aromatase Inhibitor and Growth Hormone
- Where
- 4 sites in United States, Chile
- Volunteers
- 76 people
- Sponsor
- Nemours Children's Clinic
Breast Cancer, Pain
Pilot Study to Evaluate the Effect of Aromatase Inhibitor Therapy on Pain Threshold in Breast Cancer Patients
Postmenopausal women who have hormone receptor positive breast cancer are typically treated with aromatase inhibitor medications, which substantially decrease the amount of estrogen produced by their bodies.
- Conditions
- Breast Cancer, Pain, Arthralgia
- Trial name
- NCT01814397
- Testing
- Anastrozole, exemestane, letrozole
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University of Michigan Rogel Cancer Center
Atrophic Vaginitis, Breast Cancer
Serum Estradiol Levels In Postmenopausal Women With Breast Cancer Receiving Adjuvant Aromatase Inhibitors and Vaginal Estrogen
The purpose of this study is to see if Vagifem® 10mcg is safe for women who have had breast cancer. Vagifem is an estrogen product. It is a tiny tablet that is inserted into the vagina. It relieves vaginal dryness.
- Trial name
- NCT00984399
- Testing
- Vagifem® (vaginal 17β-estradiol) questionnaire & menopause symptom checklist
- Where
- 5 sites in United States
- Volunteers
- 31 people
- Sponsor
- Memorial Sloan Kettering Cancer Center
Early Breast Cancer
Neoadjuvant Study Chemotherapy vs Letrozole + Abemaciclib in HR+/HER2- High/Intermediate Risk Breast Cancer Patients
Phase II, randomized, open-label, international, multicenter study to compare efficacy of standard chemotherapy vs. letrozole plus abemaciclib as neoadjuvant therapy in HR-positive/HER2-negative high/intermediate risk breast…
- Trial name
- CARABELA (NCT04293393)
- Testing
- Doxorubicin, Cyclophosphamide, Taxane
- Where
- 28 sites in Spain
- Volunteers
- 200 people
- Sponsor
- Spanish Breast Cancer Research Group
Breast Cancer
Letrozole in Breast Cancer Who Have Received 5 Years of Aromatase Inhibitor Therapy
RATIONALE: Estrogen can cause the growth of breast cancer cells. Hormone therapy using letrozole may fight breast cancer by lowering the amount of estrogen the body makes.
- Trial name
- NCT00754845
- Testing
- letrozole
- Where
- 43 sites in Canada, United Kingdom
- Volunteers
- 1,918 people
- Sponsor
- Canadian Cancer Trials Group
Breast Cancer
Study of Changes in Estrogen Levels and Grip Strength in Postmenopausal Women Who Have Received 4 to 6 Years of Hormone Therapy for Breast Cancer and Are Currently Receiving Letrozole on Clinical Trial IBCSG-35-07
RATIONALE: Studying samples of blood in the laboratory from patients receiving treatment for cancer may help doctors learn more about changes that may occur in DNA and identify biomarkers related to cancer.
- Trial name
- SOLE-EST (NCT01281137)
- Testing
- polymorphism analysis, laboratory biomarker analysis, quality-of-life assessment
- Where
- 2 sites in Australia, Belgium
- Volunteers
- 104 people
- Sponsor
- ETOP IBCSG Partners Foundation
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, Invasive Breast Cancer
Neoadjuvant Endocrine Therapy in Hormone Receptor-Positive, Human Epidermal Growth Factor Receptor 2 (HER2)-Negative Node-Negative Breast Cancer
This is an exploratory interventional study that initiates standard-of-care anti-estrogen treatment preoperatively for four weeks.
- Trial name
- NCT03219476
- Testing
- Anastrozole, Letrozole, Exemestane
- Where
- United States
- Volunteers
- 37 people
- Sponsor
- Medical College of Wisconsin
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
Infertility
Use of High Cost Monitoring During Letrozole Ovulation Induction
The purpose of this study is to investigate monitoring methods during ovulation induction cycles with letrozole and their effect on pregnancy rates.
- Trial name
- NCT01279200
- Testing
- Midcycle ultrasound + hCG injection, Urinary LH kits
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Breast Cancer
Palbociclib in Combination With Adjuvant Endocrine Therapy for Hormone Receptor Positive, HER2 Negative Invasive Breast Cancer
This research study is evaluating a drug called Palbociclib in combination with endocrine therapy as a possible treatment for hormone receptor positive breast cancer. Palbociclib is a drug that may stop cancer cells from growing.
- Trial name
- NCT02040857
- Testing
- Palbociclib, Aromatase Inhibitor
- Where
- 10 sites in United States
- Volunteers
- 162 people
- Sponsor
- Dana-Farber Cancer Institute
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage IA Breast Cancer AJCC v8
Anastrozole and Letrozole After Surgery for the Treatment of Stage I-III Breast Cancer
This phase II trial studies how well anastrozole and letrozole after surgery work in treating patients with stage I-III breast cancer.
- Conditions
- Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage IA Breast Cancer AJCC v8, Anatomic Stage IB Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8
- Trial name
- NCT04294225
- Testing
- Anastrozole, Letrozole
- Where
- 3 sites in United States
- Volunteers
- 161 people
- Sponsor
- Mayo Clinic
Advanced, Metastatic Breast Cancer
Study of Efficacy and Safety of LEE011 in Postmenopausal Women With Advanced Breast Cancer
The primary purpose of this study was to assess the efficacy of ribociclib, as measured by progression free survival (PFS), in postmenopausal women with hormone receptor positive (HR+), human epidermal growth factor receptor 2…
- Trial name
- MONALEESA-2 (NCT01958021)
- Testing
- Ribociclib, Letrozole
- Where
- 221 sites in United States, Argentina and 27 more
- Volunteers
- 668 people
- Sponsor
- Novartis Pharmaceuticals
Metastatic Breast Cancer
A Study for Safety and Effectiveness of IMC-A12 by Itself or Combined With Antiestrogens to Treat Breast Cancer
The purpose of this study is to determine whether IMC-A12 offers increased progression-free survival (PFS) associated with IMC-A12 monotherapy and IMC-A12 in combination with an antiestrogen therapy in patients with hormone…
- Trial name
- NCT00728949
- Testing
- IMC-A12 (cixutumumab), tamoxifen, Anastrozole
- Where
- 9 sites in United States
- Volunteers
- 93 people
- Sponsor
- Eli Lilly and Company
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
Ovulation Disorder, Ovarian Cysts
The Role of Estrogen in Luteinizing Hormone Surge and Ovulation
The purpose of the study is to establish that sustained estrogen levels are the driving force for the LH surge, and are thereby necessary for ovulation to occur.
- Trial name
- NCT01999569
- Testing
- Letrozole
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Neoplasms, Breast
A Study to Compare the Safety and Efficacy of an Aromatase Inhibitor in Combination With Lapatinib, Trastuzumab or Both for the Treatment of Hormone Receptor Positive, HER2+ Metastatic Breast Cancer
A study to compare the safety and efficacy of an aromatase inhibitor in combination with lapatinib, trastuzumab or both for the treatment of hormone receptor positive, HER2+ metastatic breast cancer (MBC).
- Trial name
- NCT01160211
- Testing
- Lapatinib, Trastuzumab, Aromatase Inhibitor
- Where
- 110 sites in United States, Argentina and 27 more
- Volunteers
- 369 people
- Sponsor
- Novartis Pharmaceuticals
Breast Adenocarcinoma, Hormone Receptor Positive
Hormone Therapy With or Without Combination Chemotherapy in Treating Women Who Have Undergone Surgery for Node-Negative Breast Cancer (The TAILORx Trial)
This randomized phase III trial studies the best individual therapy for women who have node-negative, estrogen-receptor positive breast cancer by using a special test (Oncotype DX), and whether hormone therapy alone or hormone…
- Conditions
- Breast Adenocarcinoma, Hormone Receptor Positive, Stage IA Breast Cancer AJCC v7, Stage IB Breast Cancer AJCC v7
- Trial name
- TAILORx (NCT00310180)
- Testing
- Anastrozole, Exemestane, Laboratory Biomarker Analysis
- Where
- 1,222 sites in United States, Australia and 6 more
- Volunteers
- 10,273 people
- Sponsor
- National Cancer Institute (NCI)