Clinical trials: Letrozole
Healthy
Evaluation of the Pharmacokinetics, Safety, and Tolerability of IM Letrozole LEBE in Healthy Post-menopausal Women
This is a Phase I, open label, sequential, single ascending dose (SAD) study to evaluate the pharmacokinetic (PK), safety, and tolerability of Letrozole LEBE in healthy post-menopausal women.
- Trial name
- LEILA-1 (NCT06315205)
- Testing
- Letrozole LEBE 75 mg, Letrozole LEBE 150 mg, Letrozole LEBE 225 mg
- Where
- Czechia
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Rovi Pharmaceuticals Laboratories
Breast Cancer
Letrozole as Early Adjuvant Treatment of Postmenopausal Patients With Primary Breast Cancer
This is a prospective open-label one-arm phase III trial designed to evaluate the safety and efficacy of letrozole 2.5 mg administered orally daily for 24 months as adjuvant therapy in postmenopausal patients with primary breast…
- Trial name
- NCT00332852
- Testing
- Letrozole
- Where
- 53 sites in Germany
- Volunteers
- 655 people
- Sponsor
- Novartis Pharmaceuticals
Postmenopausal Women With Advanced Breast Cancer
Study of Safety and Efficacy of Letrozole Monotherapy as Second-line Endocrine Therapy in Postmenopausal Patients With Advanced Breast Cancer Who Received Previous Anti-estrogen Treatment
Safety and efficacy of letrozole 2.5 mg/day monotherapy as second-line endocrine therapy in postmenopausal patients with advanced breast cancer who received previous anti-estrogen treatment To investigate changes in blood drug…
- Trial name
- NCT00237198
- Testing
- Letrozole
- Where
- 24 sites in Japan
- Volunteers
- 47 people
- Sponsor
- Novartis Pharmaceuticals
Infertility
Letrozole vs. Clomiphene Citrate in Patients With Anovulatory Infertility
OBJECTIVE: To compare the effectiveness of letrozole and clomiphene citrate (CC) in patients with anovulatory infertility. DESIGN: Open, prospective, randomized, parallel group, multicentric, comparative trial.
- Trial name
- NCT00610077
- Testing
- Letrozole, Clomiphene citrate
- Where
- India
- Volunteers
- 55 people
- Sponsor
- Sun Pharmaceutical Industries Limited
PCOS (Polycystic Ovary Syndrome) of Bilateral Ovaries
Letrozole Alone Protocol Versus Using Letrozole and HCG Protocol
Letrozole is a chemical compound, CGS 20267 which is a third-generation, nonsteroidal aromatase inhibitor. Letrozole blocks estrogen synthesis by directly affecting the hypothalamic-pituitary-ovarian axis, subsequently, increases…
- Trial name
- NCT06367712
- Testing
- Letrozole tablets
- Where
- Egypt
- Volunteers
- 132 people
- Sponsor
- Egymedicalpedia
Breast Cancer
RW Treatment Patterns and Outcomes in Postmenopausal HR+/HER2- mBC Patients Treated With Palbociclib Plus Letrozole as Initial Endocrine Therapy at Community Oncology Practices in the U.S.
This is a retrospective, observational study that will document treatment patterns and clinical outcomes of postmenopausal patients diagnosed with HR+/HER2- mBC who received Palbociclib plus Letrozole as initial endocrine-based…
- Trial name
- NCT04460898
- Where
- United States
- Volunteers
- 195 people
- Sponsor
- Pfizer
Breast Cancer
A Study Evaluating the Efficacy and Safety of Inavolisib Plus CDK4/6 Inhibitor and Letrozole vs Placebo + CDK4/6i and Letrozole in Participants With Endocrine-Sensitive PIK3CA-Mutated, Hormone Receptor-Positive, HER2-Negative Advanced Breast Cancer
This study will evaluate the efficacy and safety of the combination of inavolisib plus a cyclin-dependent kinase 4 and 6 inhibitor (CDK4/6i) and letrozole versus placebo plus a CDK4/6i and letrozole in the first-line setting in…
- Trial name
- INAVO123 (NCT06790693)
- Testing
- Inavolisib, CDK4/6i, Letrozole
- Where
- 242 sites in United States, Argentina and 18 more
- Volunteers
- 450 people
- Sponsor
- Hoffmann-La Roche
Recurrent and Metastatic Endometrial Cancer
A Study of Letrozole in the Treatment of Endometrial Cancer
Currently available treatments for endometrial cancer are associated with limited efficacy and significant toxicity. This study will assess the safety and efficacy of letrozole, an aromatase inhibitor, on endometrial cancer.
- Trial name
- NCT00333086
- Testing
- Letrozole
- Where
- Germany
- Volunteers
- 36 people
- Sponsor
- Novartis Pharmaceuticals
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
Breast Cancer
Study of XL147 (SAR245408) or XL765 (SAR245409) in Combination With Letrozole in Subjects With Breast Cancer
Phase 1 of this study will evaluate the maximum tolerated dose (MTD) of XL147 when given in combination with letrozole (Femara) and of XL765 when given in combination with letrozole.
- Trial name
- NCT01082068
- Testing
- XL147 (SAR245408), XL765 (SAR245409), letrozole (Femara)
- Where
- 17 sites in United States, France and 1 more
- Volunteers
- 72 people
- Sponsor
- Sanofi
Advanced Breast Cancer (Female)
Expanded Access Study Of Palbociclib (PD-0332991) In Combination With Letrozole As Treatment Of Post-Menopausal Women With HR-Positive, Her2-Negative Advanced Breast Cancer For Whom Letrozole Therapy Is Deemed Appropriate
To provide access to palbociclib to post-menopausal women with HR-positive, HER2-negative advanced breast cancer who are deemed appropriate for letrozole therapy (Canada: first-line patients only).
- Trial name
- NCT02142868
- Testing
- Palbociclib, Letrozole
- Where
- 55 sites in United States, Canada
- Sponsor
- Pfizer
Breast Cancer
A Window-of-opportunity Study of Pelareorep in Early Breast Cancer
The purpose of this study is to find out if pelareorep in combination with different therapies helps to reduce the growth of breast cancer cells and increase the immune system's response to cancer.
- Trial name
- AWARE-1 (NCT04102618)
- Testing
- Pelareorep, Letrozole, Atezolizumab
- Where
- 14 sites in Spain
- Volunteers
- 26 people
- Sponsor
- Oncolytics Biotech
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
HER2 Low Advanced or Metastatic Breast Cancer
A Phase Ⅰb/Ⅱ Clinical Study of SHR-A1811 Combined With Other Therapies in Patients With HER2 Low Advanced or Metastatic Breast Cancer.
This study aims to evaluate the safety, tolerability, PK and preliminary anti-tumour activity of SHR-A1811 combined with other therapies in patients with HER2 low advanced or metastatic breast cancer.
- Trial name
- NCT05792410
- Testing
- SHR-A1811 & Dalpiciclib Isethionate Tablets, SHR-A1811 & Fulvestrant, SHR-A1811 & Bevacizumab injection
- Volunteers
- 300 people
- Sponsor
- Jiangsu HengRui Medicine Co., Ltd.
Breast Cancer
Study to Evaluate Overall Survival in Japanese Patients With HR+/HER2- Advanced Breast Cancer Treated With Palbociclib Plus Letrozole
This is a retrospective, multicenter, observational study in Japan. The primary objective is to evaluate overall survival (OS) in Japanese patients with HR+/HER2- advanced breast cancer who have been treated with palbociclib plus…
- Trial name
- NCT04735367
- Testing
- palbociclib plus letrozole
- Where
- 13 sites in Japan
- Volunteers
- 42 people
- Sponsor
- Pfizer
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
Advanced HR+/HER2- Breast Cancer, Advanced CCNE1-amplified Solid Tumors
Study of GVV858 as a Single Agent or in Combination With Endocrine Therapy in Patients With HR+/HER2- Breast Cancer and Other Advanced Solid Tumors
Phase I: Characterize safety and tolerability of GVV858 as a single agent and in combination with fulvestrant or letrozole. Identify dose range for optimization/recommended dose for further clinical evaluation.
- Conditions
- Advanced HR+/HER2- Breast Cancer, Advanced CCNE1-amplified Solid Tumors, Metastatic Castration-resistant Prostate Cancer
- Trial name
- NCT07288359
- Testing
- GVV858, Fulvestrant, Letrozole
- Where
- 16 sites in United States, Canada and 9 more
- Volunteers
- 205 people
- Sponsor
- Novartis Pharmaceuticals
Breast Cancer
A Trial of HRS-6209-205 to Evaluate the Safety, Tolerability, Pharmacokinetics and Efficacy of HRS-6209 in Combination Therapy in Subjects With HR-Positive/HER2-Negative Cancer
To evaluate the Safety, Tolerability, Pharmacokinetics and Efficacy of HRS-6209 in Subjects with HR-Positive/HER2-Negative solid tumor.
- Trial name
- NCT07358377
- Testing
- HRS-6209 Capsules and fulvestrant injection
- Where
- 6 sites in Australia
- Volunteers
- 15 people
- Sponsor
- Atridia Pty Ltd.
Advanced Breast Cancer
A Study of XZP-3287 in Combination With Letrozole/Anastrozole in Patients With Advanced Breast Cancer
This is a Phase III clinical trial designed to evaluate the efficacy and safety of XZP-3287 in combination with Letrozole/Anastrozole versus placebo in combination with Letrozole/Anastrozole in patients with HR-positive and…
- Trial name
- NCT05257395
- Testing
- XZP-3287+ Letrozole/Anastrozole
- Where
- China
- Volunteers
- 397 people
- Sponsor
- Xuanzhu Biopharmaceutical Co., Ltd.
Breast Cancer
Bioequivalency Study of Letrozole 2.5 mg Tablets Under Fed Conditions
The objective of this study was to prove the bioequivalence of Letrozole Tablet under fed conditions.
- Trial name
- NCT01367626
- Testing
- letrozole
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Roxane Laboratories