Clinical trials: Letrozole
Breast Neoplasms, Osteoporosis
Zoledronic Acid - Letrozole Adjuvant Synergy Trial (ZFAST) - Cancer Treatment Related Bone Loss in Postmenopausal Women With Estrogen Receptor Positive and/or Progesterone Receptor Positive Breast Cancer Receiving Adjuvant Hormonal Therapy
This protocol is designed to compare the effect on bone of Zoledronic Acid 4 mg every 6 months when given upfront versus delayed start (based on a post-baseline BMD T- Score below -2.0 SD at either the lumbar spine or total hip…
- Trial name
- NCT00050011
- Testing
- Zoledronic Acid, Letrozole
- Where
- 44 sites in United States, Puerto Rico
- Volunteers
- 602 people
- Sponsor
- Novartis Pharmaceuticals
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
Study of Letrozole With or Without BYL719 or Buparlisib, for the Neoadjuvant Treatment of Postmenopausal Women
The purpose of the study was to determine whether treatment with a PI3K inhibitor plus letrozole led to an increase in pathologic clinical response and Objective Response Rate compared to treatment with placebo plus letrozole in…
- Trial name
- NCT01923168
- Testing
- alpelisib, buparlisib
- Where
- 86 sites in United States, Australia and 15 more
- Volunteers
- 340 people
- Sponsor
- Novartis Pharmaceuticals
Postmenopausal Women, Locally Advanced Metastatic Breast Cancer
Safety and Efficacy of RAD001 (Everolimus) in Combination With Letrozole in the Treatment of Postmenopausal Women With Locally Advanced or Metastatic Breast Cancer
This was a multi-center, Israeli phase II open label study evaluating treatment with RAD001 (10 mg daily) combined with letrozole (2.5 mg daily) in postmenopausal women after recurrence or progression on Tamoxifen, Anastrozole or…
- Conditions
- Postmenopausal Women, Locally Advanced Metastatic Breast Cancer, Metastatic Breast Cancer
- Trial name
- NCT01231659
- Testing
- Everolimus, Letrozole
- Where
- 7 sites in Israel
- Volunteers
- 72 people
- Sponsor
- Novartis Pharmaceuticals
Breast Cancer
A Study of R1507 in Combination With Letrozole in Postmenopausal Women With Advanced Breast Cancer
This study aim was to determine the safety and efficacy of R1507 in combination with letrozole in patients with advanced breast cancer.
- Trial name
- NCT00796107
- Testing
- RG1507, Letrozole
- Where
- 6 sites in United States
- Volunteers
- 6 people
- Sponsor
- Hoffmann-La Roche
Breast Neoplasms
Study Evaluating Temsirolimus (CCI-779) In Breast Neoplasms
To evaluate the preliminary activity and pharmacokinetics of 2 separate doses and schedules of orally administered Temsirolimus (CCI-779) given in combination with daily letrozole, compared to letrozole alone, in the treatment of…
- Trial name
- NCT00062751
- Testing
- Letrozole / Temsirolimus (CCI-779), Letrozole
- Volunteers
- 108 people
- Sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
Neoplasms, Breast
Letrozole In Combination With Lapatinib In Neoadjuvant Treatment Of Early Breast Cancer
Evaluate the percentage of clinical objective responses (cOR) in patients with HER2 negative early breast cancer treated with pre operative (neoadjuvant)lapatinib and letrozole
- Trial name
- NCT00422903
- Testing
- lapatinib, letrozole
- Where
- 14 sites in Italy, Spain
- Volunteers
- 92 people
- Sponsor
- GlaxoSmithKline
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
Phase 2 Window Study of SAR439859 (Amcenestrant) Versus Letrozole in Post-menopausal Patients With ER+, HER2- Pre-operative Post-menopausal Primary Breast Cancer
Primary Objective: To determine whether amcenestrant given at 2 different doses improved the antiproliferative activity when compared to letrozole.
- Trial name
- AMEERA-4 (NCT04191382)
- Testing
- Amcenestrant (SAR439859), Letrozole
- Where
- 32 sites in United States, Belgium and 7 more
- Volunteers
- 105 people
- Sponsor
- Sanofi
Early Breast Cancer
A Pharmacodynamics Pre-surgical Study of LEE011 in Early Breast Cancer Patients (MONALEESA-1)
This is a multi-center, open-label Phase II randomized pre-surgical pharmacodynamics study.
- Trial name
- MONALEESA-1 (NCT01919229)
- Testing
- LEE011 (ribociclib), letrozole
- Where
- 7 sites in United States, Singapore and 1 more
- Volunteers
- 14 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
Advanced Breast Cancer Female
Palbociclib Plus Letrozole For Postmenopausal Women With HR(+) HER2(-) Advanced Breast Cancer For Whom Letrozole Is Deemed Appropriate
The purpose of this study is to provide access to palbociclib in Mexico and in selected Latin American countries before it becomes commercially available to patients with HR positive/HER2-negative ABC who are appropriate…
- Trial name
- NCT02600923
- Testing
- Palbociclib, Letrozole
- Where
- 24 sites in Argentina, Brazil and 2 more
- Volunteers
- 131 people
- Sponsor
- Pfizer
Breast Cancer
Study to Assess the Safety and Efficacy of Ribociclib (LEE011) in Combination With Letrozole for the Treatment of Men and Pre/Postmenopausal Women With HR+ HER2- aBC
The purpose of this study is to collect additional safety and efficacy data for the combination of ribociclib + letrozole in men and pre/postmenopausal women with HR+HER2- advanced breast cancer and no prior hormonal treatment…
- Trial name
- COMPLEEMENT-1 (NCT02941926)
- Testing
- Ribociclib, Letrozole, Goserelin
- Where
- 495 sites in United States, Argentina and 36 more
- Volunteers
- 3,246 people
- Sponsor
- Novartis Pharmaceuticals
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
Amcenestrant (SAR439859) Plus Palbociclib as First Line Therapy for Patients With ER (+) HER2(-) Advanced Breast Cancer
Primary Objective: To determine whether Amcenestrant (SAR439859) in combination with palbociclib improves progression free survival (PFS) when compared with letrozole in combination with palbociclib in participants with estrogen…
- Trial name
- AMEERA-5 (NCT04478266)
- Testing
- SAR439859, Palbociclib, Letrozole
- Where
- 249 sites in United States, Argentina and 28 more
- Volunteers
- 1,068 people
- Sponsor
- Sanofi
Advanced Metastatic Breast Cancer
Study for Women and Men With Hormone-receptor Positive Locally Advanced or Metastatic Breast Cancer
This was a national, multi-center, open-label, phase IIIb trial to determine the efficacy and safety of treatment with ribociclib (LEE011) plus letrozole in patients with HR+, HER2-negative advanced (recurrent or metastatic)…
- Trial name
- NCT03096847
- Testing
- ribociclib, letrozole, goserelin
- Where
- 84 sites in Germany
- Volunteers
- 502 people
- Sponsor
- Novartis Pharmaceuticals
Breast Cancer
Rheumatological Evaluation of Anastrozole and Letrozole as Adjuvant Treatment in Post-menopausal Women With Breast Cancer
This study will evaluate whether patients who are intolerant and discontinue anastrozole due to grade 2-3 arthralgia-myalgia have a decrease in rheumatological symptoms while taking letrozole
- Trial name
- REAL (NCT00688909)
- Testing
- letrozole
- Where
- 48 sites in United States
- Volunteers
- 261 people
- Sponsor
- Novartis Pharmaceuticals
Breast Cancer
Study Of Letrozole With Or Without Palbociclib (PD-0332991) For The First-Line Treatment Of Hormone-Receptor Positive Advanced Breast Cancer
The study is aimed to confirm that letrozole + PD 0332991 is safe and tolerable and to assess the effect of the combination on advanced breast cancer
- Trial name
- NCT00721409
- Testing
- PD 0332991, letrozole
- Where
- 104 sites in United States, Canada and 10 more
- Volunteers
- 177 people
- Sponsor
- Pfizer
Breast Cancer
Study Evaluating Bosutinib-Letrozole Combination Versus Letrozole Alone In Post Menopausal Women With Breast Cancer
This is a phase 2 study of bosutinib administered in combination with letrozole versus letrozole alone in post-menopausal women with breast cancer. This is a 2-part study.
- Trial name
- NCT00880009
- Testing
- Bosutinib, Letrozole
- Where
- 11 sites in United States, Belgium and 5 more
- Volunteers
- 16 people
- Sponsor
- Pfizer
Neoplasms, Breast Neoplasms
A Study Of Oral Palbociclib (PD-0332991), A CDK4/6 Inhibitor, As Single Agent In Japanese Patients With Advanced Solid Tumors Or In Combination With Letrozole For The First-Line Treatment Of Postmenopausal Japanese Patients With ER (+) HER2 (-) Advanced Breast Cancer
This study is comprised of two portions: a Phase 1 portion and a Phase 2 portion. The Phase 1 portion is a single-country, non-randomized, open label, clinical trial which will evaluate the safety, tolerability, preliminary…
- Trial name
- NCT01684215
- Testing
- PD-0332991, letrozole
- Where
- 16 sites in Japan
- Volunteers
- 61 people
- Sponsor
- Pfizer