Clinical trials: Letrozole
Metastatic Breast Cancer, HER2-negative Breast Cancer
Trial of 225Ac-DOTATATE (RYZ101) in Subjects With ER+, HER2-negative Unresectable or Metastatic Breast Cancer Expressing SSTRs.
Phase 1b/2 open-label trial of 225Ac-DOTATATE (RYZ101) in subjects with ER+, HER2-negative unresectable or metastatic breast cancer expressing SSTRs.
- Conditions
- Metastatic Breast Cancer, HER2-negative Breast Cancer, ER+ Breast Cancer, Advanced Breast Cancer
- Trial name
- TRACY-1 (NCT06590857)
- Testing
- RYZ101, Standard of Care Endocrine Therapy
- Where
- 31 sites in United States, Canada and 1 more
- Volunteers
- 64 people
- Sponsor
- RayzeBio, Inc.
Breast Neoplasms
Study Comparing Lapatinib (GW572016) And Letrozole Versus Letrozole In Subjects With Advanced Or Metastatic Breast Cancer
This study evaluated and compared the efficacy and tolerability of lapatinib and letrozole, with letrozole and placebo in post-menopausal women with hormone receptor positive (ER positive and/or PgR positive) advanced or…
- Trial name
- NCT00073528
- Testing
- Lapatinib, Letrozole
- Where
- 278 sites in United States, Argentina and 27 more
- Volunteers
- 1,286 people
- Sponsor
- Novartis Pharmaceuticals
Healthy
Bioequivalence Study of Letrozole 2.5 mg Tablets
Bioequivalence
- Trial name
- NCT01084499
- Testing
- Femara (Sequence 1), Peratra (Sequence 1), Femara (Sequence 2)
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Yuhan Corporation
Early Breast Cancer
Phase IIIb Study of Ribociclib + ET in Early Breast Cancer
The purpose of this open-label, multicenter, phase IIIb, single-arm study is to characterize the efficacy and safety of the combination of ribociclib and standard adjuvant endocrine therapy (ET) on invasive breast cancer-free…
- Trial name
- Adjuvant WIDER (NCT05827081)
- Testing
- Ribociclib, Letrozole, Ansastrozole
- Where
- 214 sites in United States, Argentina and 14 more
- Volunteers
- 1,464 people
- Sponsor
- Novartis Pharmaceuticals
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
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
Hormone Receptor Positive Early Breast Cancer
A Study to Compare the Steady-State Bioavailability of Injectable Letrozole SIE and Oral Letrozole in Post-Menopausal Women With Hormone Receptor Positive Early Breast Cancer
The study aims to compare the amount of the drug letrozole that gets into the bloodstream after multiple doses of the quarterly injection Letrozole SIE, versus multiple doses of the standard oral daily tablet of letrozole…
- Trial name
- SIE-1 (NCT07401381)
- Testing
- US-sourced oral Femara® + Letrozole SIE, EU sourced oral Femara® + Letrozole SIE
- Where
- 21 sites in United States, Serbia and 1 more
- Volunteers
- 120 people
- Sponsor
- Rovi Pharmaceuticals Laboratories
ER+ Breast Cancer
Study of the Effect of the Addition of SNDX-275 (Entinostat) to Continued Aromatase Inhibitor (AI) Therapy in Postmenopausal Women With ER+ Breast Cancer Whose Disease is Progressing
The addition of entinostat to an AI will result in a maximal abrogation of estrogen receptor-α mediated activity and inhibit mechanisms of resistance to the aromatase inhibitor.
- Trial name
- NCT00828854
- Testing
- Entinostat, Aromatase Inhibitor (AI) Therapy
- Where
- 6 sites in Ireland, United Kingdom
- Volunteers
- 27 people
- Sponsor
- Syndax Pharmaceuticals
Breast Cancer, Letrozole
Safety and Efficacy Study of Femara(Letrozole) as an Extended Adjuvant Treatment in Breast Cancer Patients
Title of study: An observational, multicenter study on the safety and efficacy of Femara® (Letrozole) as an extended adjuvant treatment in breast cancer patients who completed adjuvant Tamoxifen or Toremifen treatment Objectives…
- Trial name
- NCT01249456
- Where
- South Korea
- Volunteers
- 392 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 Cancer
A Non-interventional Study for Women With HR-positive, HER2-negative Locally Advanced or Metastatic Breast Cancer to Evaluate the Real-world Effectiveness of Treatment Algorithms Beginning With Ribociclib + AI/FUL, or With Endocrine Therapy or Chemotherapy as First Line Treatment
This is a non-interventional observational study conducted in Germany to evaluate the real-world effectiveness, tolerability, safety, and quality of life in patients with locally advanced/metastatic HR+/HER2- breast cancer…
- Trial name
- RIBANNA (NCT06311383)
- Testing
- First-line Ribociclib + endocrine therapy, First-line endocrine therapy, First-line chemtherapy
- Where
- 265 sites in Germany
- Volunteers
- 2,610 people
- Sponsor
- Novartis Pharmaceuticals
Breast Cancer
A Study to Test Inavolisib Treatments in Participants With Early-Stage, PIK3CA-Mutated Breast Cancer
This study will evaluate the safety and efficacy of inavolisib combination therapies in participants with untreated, PIK3CA-mutated, Stage II-III, estrogen receptor (ER)-positive, Human Epidermal Growth Factor Receptor 2…
- Trial name
- NCT07054190
- Testing
- Inavolisib, Ribociclib, Letrozole
- Where
- 37 sites in United States, Argentina and 5 more
- Volunteers
- 120 people
- Sponsor
- Hoffmann-La Roche
Advanced Breast Cancer
Study of CYH33 in Combination With Endocrine Therapy With or Without Palbociclib in Patients With HR+, HER2- Advanced Breast Cancer
This is a multicenter, open-label, phase Ib study designed to evaluate the safety, tolerability, pharmacokinetics and preliminary efficacy of CYH33 administered orally in combination with standard-of-care ET ± CDK4/6 inhibitor…
- Trial name
- NCT04856371
- Testing
- CYH33, Fulvestrant, Letrozole
- Volunteers
- 228 people
- Sponsor
- Haihe Biopharma Co., Ltd.
Neoplasm Malignant
Open Label Treatment Extension Study With SAR245408 or SAR245409 as a Monotherapy or as a Combination Regimen
Primary Objective: The purpose of this study was to determine the long term safety and tolerability of SAR245408 and SAR245409 as a monotherapy or as part of a combination regimen in participants who were benefiting from…
- Trial name
- NCT01587040
- Testing
- SAR245408, SAR245409
- Where
- 21 sites in United States, Belgium and 2 more
- Volunteers
- 61 people
- Sponsor
- Sanofi
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
Small Cell Lung Cancer, Ovarian Cancer
PF-07104091 as a Single Agent and in Combination Therapy
To assess the safety and tolerability of increasing doses of PF-07104091 and to estimate the Maximum Tolerated Dose (MTD) and/or select the Recommended Phase 2 dose (RP2D) for PF-07104091 as a single agent in participants with…
- Conditions
- Small Cell Lung Cancer, Ovarian Cancer, Breast Cancer
- Trial name
- NCT04553133
- Testing
- PF-07104091 monotherapy dose escalation, PF-07104091 + palbociclib + fulvestrant, PF-07104091 + palbociclib + letrozole
- Where
- 22 sites in United States, Argentina and 2 more
- Volunteers
- 157 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
Neoplasms, Breast Neoplasms
This Study in Patients With Different Types of Cancer (Solid Tumours) Aims to Find a Safe Dose of Xentuzumab in Combination With Abemaciclib With or Without Hormonal Therapies. The Study Also Tests How Effective These Medicines Are in Patients With Lung and Breast Cancer
This is a study in adult patients with different types of cancer. The purpose of this study is to find a safe dose of: Xentuzumab in combination with abemaciclib Xentuzumab in combination with abemaciclib and hormonal therapies…
- Trial name
- NCT03099174
- Testing
- Xentuzumab, Abemaciclib, Letrozole
- Where
- 30 sites in United States, Denmark and 5 more
- Volunteers
- 133 people
- Sponsor
- Boehringer Ingelheim
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
Letrozole in Treating Postmenopausal Women With Metastatic Breast Cancer
RATIONALE: Estrogen can stimulate the growth of cancer cells. Letrozole may fight breast cancer by reducing the production of estrogen.
- Trial name
- NCT00014638
- Testing
- letrozole
- Where
- 20 sites in United States
- Sponsor
- Novartis