Clinical trials: Letrozole
Postmenopausal Women With Advanced Breast Cancer
Study of High-dose Letrozole Therapy in Postmenopausal Patients With Breast Cancer
To investigate the safety and efficacy of letrozole monotherapy at a dose of 2.5 mg/day in postmenopausal patients with breast cancer, and to determine the blood concentrations of letrozole and hormones.
- Trial name
- NCT00237211
- Testing
- Letrozole
- Where
- 12 sites in Japan
- Volunteers
- 31 people
- Sponsor
- Novartis Pharmaceuticals
Breast Neoplasms
GETNA2 Neoadj. TAX+Femara vs Femara in g I/II Breast Cancer
Primarily to evaluate the rates of clinical and radiological response in the 2 groups. Secondarily rate of histological response.
- Trial name
- NCT00617968
- Testing
- DOCETAXEL
- Where
- France
- Volunteers
- 5 people
- Sponsor
- Sanofi
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
Breast Cancer
Safety and Efficacy of Hormone Therapy With Letrozole in Postmenopausal Women With Breast Cancer
The aim of this study is to assess the safety and efficacy of neoadjuvant hormone therapy with letrozole in postmenopausal women with estrogen- and/or progesterone-receptor positive primary breast cancer on tumour regression to…
- Trial name
- NCT00330317
- Testing
- letrozole
- Where
- 20 sites in United Kingdom
- Volunteers
- 300 people
- Sponsor
- Novartis Pharmaceuticals
Advanced, Metastatic Breast Cancer
A Study to Investigate the Efficacy and Safety of Letrozole SIE Compared With Femara® (Both Combined With the CDK4/6 Inhibitor Ribociclib) in Postmenopausal Women With HR-Positive, HER2-Negative, Inoperable Locally Advanced or Metastatic Breast Cancer
The purpose of this study is to evaluate the efficacy and safety of Letrozole SIE (injectable) compared to Femara® (oral tablet), both given together with ribociclib, for the first-line treatment of postmenopausal women with…
- Trial name
- SIE-3 (NCT07340658)
- Volunteers
- 300 people
- Sponsor
- Rovi Pharmaceuticals Laboratories
Breast Neoplasms, Neoplasms, Hormone-Dependent
Treatment and Survival Continuation Study of Atamestane Plus Toremifene vs Letrozole in Advanced Breast Cancer
Protocol 777-CLP-32 is the treatment and survival continuation protocol of Biomed 777-CLP-29, and will continue to compare combined hormonal therapy using the experimental aromatase inhibitor (AI) atamestane combined with the…
- Trial name
- NCT00267553
- Testing
- Atamestane, toremifene, letrozole
- Where
- 35 sites in United States, Canada and 2 more
- Volunteers
- 200 people
- Sponsor
- Intarcia Therapeutics
Breast Neoplasm
Everolimus and Letrozole as Preoperative Therapy of Primary Breast Cancer in Post-menopausal Women
The purpose of this study is to examine the effect of the combination of everolimus and letrozole compared to placebo and letrozole as pre-surgical therapy in patients with newly diagnosed estrogen receptor positive breast cancer.
- Trial name
- NCT00107016
- Testing
- RAD001, Letrozole 2.5mg, Letrozole 2.5mg
- Where
- 46 sites in United States, Austria and 8 more
- Volunteers
- 267 people
- Sponsor
- Novartis Pharmaceuticals
ER-Positive HER2-Negative Breast Cancer
Phase III Study to Assess AZD9833+ CDK4/6 Inhibitor in HR+/HER2-MBC With Detectable ESR1m Before Progression (SERENA-6)
The study is intended to show superiority of AZD9833 in combination with CDK4/6 inhibitor (palbociclib, abemaciclib or ribociclib) versus aromatase inhibitors (anastrozole or letrozole) in combination with CDK4/6 inhibitor in…
- Trial name
- SERENA-6 (NCT04964934)
- Testing
- AZD9833, Anastrozole, Letrozole
- Where
- 264 sites in United States, Australia and 21 more
- Volunteers
- 315 people
- Sponsor
- AstraZeneca
Breast Cancer
Vepdegestrant (ARV-471/PF-07850327) + Palbociclib vs Letrozole + Palbociclib in ER(+)/HER2(-) Advanced Breast Cancer
The purpose of this study is to understand the safety and effects of the study medicine vepdegestrant (ARV-471/PF-07850327) given together with palbociclib in advanced breast cancer.
- Trial name
- VERITAC-3 (NCT05909397)
- Testing
- Vepdegestrant (ARV-471/PF-07850327), Palbociclib, Letrozole
- Where
- 29 sites in United States, Australia and 8 more
- Volunteers
- 59 people
- Sponsor
- Pfizer
Breast Cancer
A Study of PI3-Kinase Inhibitor GDC-0941 in Combination With Paclitaxel, With and Without Bevacizumab or Trastuzumab, and With Letrozole, in Participants With Locally Recurrent or Metastatic Breast Cancer
This is an open-label, multicenter, Phase Ib dose-escalation study to assess the safety, tolerability, and pharmacokinetics of oral (PO) pictilisib administered with letrozole or intravenous (IV) paclitaxel with and without IV…
- Trial name
- NCT00960960
- Testing
- Bevacizumab, Pictilisib, Letrozole
- Where
- 5 sites in United States, Belgium and 1 more
- Volunteers
- 71 people
- Sponsor
- Genentech, Inc.
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 Cancer, Solid Tumors, Adult
First-in-Human Study of Tersolisib (STX-478) as Monotherapy and in Combination With Other Antineoplastic Agents in Participants With Advanced Solid Tumors
Study STX-478-101 (LY4064809) is a multipart, open-label, phase 1/2 study evaluating the safety, tolerability, pharmacokinetics (PK), and preliminary antitumor activity of STX-478 (LY4064809) in participants with advanced solid…
- Trial name
- PIKALO-1 (NCT05768139)
- Testing
- STX-478, Fulvestrant, Ribociclib
- Where
- 65 sites in United States, Belgium and 7 more
- Volunteers
- 880 people
- Sponsor
- Eli Lilly and Company
Postmenopausal Women With Advanced Breast Cancer
Extension Study of 1.0mg Dose Letrozole Therapy in Postmenopausal Patients With Breast Cancer
To investigate the safety of letrozole monotherapy at a dose 1.0 mg/day or fadrozole monotherapy at a dose 2.0mg in Japanese postmenopausal patients with advanced breast cancer which participated in double blind study.
- Trial name
- NCT00247663
- Testing
- Letrozole
- Where
- 10 sites in Japan
- Volunteers
- 17 people
- Sponsor
- Novartis Pharmaceuticals
Breast Cancer
Safety, Tolerability, and Efficacy Study in Subjects With Advanced or Metastatic Breast Cancer
This study will determine the highest dose of KW-2450 in combination with lapatinib and letrozole that can be administered safely to subjects with advanced or metastatic breast cancer and to evaluate its effectiveness.
- Trial name
- NCT01199367
- Testing
- KW-2450 in combination with lapatinib and letrozole
- Where
- 5 sites in United States
- Volunteers
- 11 people
- Sponsor
- Kyowa Kirin Co., Ltd.
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
Polycystic Ovary Syndrome
Combination Letrozole and Clomiphene Citrate Versus Letrozole Alone
Clomiphene citrate is a non-steroidal triphenylethylene derivative distantly related to diethylstilbestrol. It acts as a selective estrogen receptor modulator (SERM), similar to tamoxifen and raloxifene.
- Trial name
- NCT06507332
- Testing
- Letrozole 2.5mg
- Where
- Egypt
- Volunteers
- 64 people
- Sponsor
- Egymedicalpedia