Clinical trials: Letrozole
Breast Cancer
Letrozole in Preventing Cancer in Postmenopausal Women Who Have Received 4-6 Years of Hormone Therapy for Hormone Receptor-Positive, Lymph Node-Positive, Early-Stage Breast Cancer
RATIONALE: Estrogen can cause the growth of breast cancer cells. Letrozole may fight breast cancer by lowering the amount of estrogen the body makes.
- Trial name
- SOLE (NCT00553410)
- Testing
- Letrozole
- Where
- 164 sites in United States, Australia and 18 more
- Volunteers
- 4,884 people
- Sponsor
- ETOP IBCSG Partners Foundation
Breast Cancer
S1207 Hormone Therapy With or Without Everolimus in Treating Patients With Breast Cancer
RATIONALE: Estrogen can cause the growth of breast cancer cells. Hormone therapy using tamoxifen citrate, goserelin acetate, leuprolide acetate, anastrozole, letrozole, or exemestane, may fight breast cancer by lowering the…
- Trial name
- e3 (NCT01674140)
- Testing
- anastrozole, everolimus, exemestane
- Where
- 1,458 sites in United States, Puerto Rico
- Volunteers
- 1,939 people
- Sponsor
- SWOG Cancer Research Network
Breast Cancer
Ovarian Suppression Evaluating Subcutaneous Leuprolide Acetate in Breast Cancer
This is a phase 3, single arm, open-label study evaluating the effectiveness of TOL2506 to suppress ovarian function in premenopausal women with HR+, HER2-negative breast cancer.
- Trial name
- OVELIA (NCT04906395)
- Testing
- TOL2506, Tamoxifen, Letrozole Tablets
- Where
- 59 sites in United States, Argentina and 5 more
- Volunteers
- 250 people
- Sponsor
- Tolmar Inc.
Endometrial Neoplasm Malignant Stage I
Gonadotropin-releasing Hormone Agonist (GnRHa) Plus Letrozole In Young Women With Early Endometrial Cancer
To see if Gonadotropin-releasing hormone analogue (GnRHa) combined with aromatase inhibitors (AIs) will achieve better complete response rate than megestrol acetate or medroxyprogesterone acetate (MA/MPA) alone as…
- Trial name
- NCT05247268
- Testing
- Megestrol Acetate 160 MG Oral Tablet, Medroxyprogesterone Acetate 500 MG, Triprorelin Acetate
- Where
- China
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Fudan University
Breast Cancer
Safety Extension Study for Subjects With HR+, HER2- Breast Cancer for Subjects Who Have Completed the OVELIA Study
TOL2506A (OVELIA) is a Phase 3, single arm, open-label study evaluating the effectiveness of TOL2506 in suppressing ovarian function in premenopausal women with HR+, HER2-negative breast cancer and men with HR+ breast cancer.
- Trial name
- NCT05645536
- Testing
- TOL2506, Tamoxifen, Letrozole tablets
- Where
- 46 sites in United States, Argentina and 4 more
- Volunteers
- 250 people
- Sponsor
- Tolmar Inc.
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
Low-Grade Serous Ovarian Cancer
A Study of Avutometinib, Defactinib, and Letrozole in People With Low-Grade Serous Ovarian Cancer
The researchers are doing this study to find out whether the combination of avutometinib, defactinib, and letrozole is an effective treatment for people with low-grade serous ovarian cancer (LGSOC).
- Trial name
- CHAMELEON (NCT06394804)
- Testing
- Avutometinib, Defactinib, Letrozole
- Where
- 8 sites in United States
- Volunteers
- 20 people
- Sponsor
- Memorial Sloan Kettering Cancer Center
Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8
Testing Whether Hormone Therapy With Ribociclib is as Effective as Chemotherapy Followed by Hormone Therapy With Ribociclib for the Treatment of High Anatomic Stage Breast Cancer With Low Recurrence Risk, The RxFINE-Low Trial
This phase III trial compares standard of care hormone therapy plus ribociclib to chemotherapy followed by hormone therapy plus ribociclib for the treatment of patients with high anatomic stage breast cancer with low risk of the…
- Conditions
- Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Estrogen Receptor-Positive Breast Carcinoma
- Trial name
- NCT07391774
- Testing
- Anastrozole, Biospecimen Collection, Bone Scan
- Where
- 223 sites in United States, Puerto Rico
- Volunteers
- 1,978 people
- Sponsor
- National Cancer Institute (NCI)
Breast Ductal Carcinoma In Situ, Invasive Breast Carcinoma
Tamoxifen Citrate, Letrozole, Anastrozole, or Exemestane With or Without Chemotherapy in Treating Patients With Invasive RxPONDER Breast Cancer
This randomized phase III clinical trial studies how well tamoxifen citrate, anastrozole, letrozole, or exemestane with or without chemotherapy work in treating patients with breast cancer that has spread from where it began in…
- Conditions
- Breast Ductal Carcinoma In Situ, Invasive Breast Carcinoma, Multicentric Breast Carcinoma, Multifocal Breast Carcinoma
- Trial name
- NCT01272037
- Testing
- Anastrozole, Exemestane, Laboratory Biomarker Analysis
- Where
- 1,568 sites in United States, Canada and 8 more
- Volunteers
- 5,018 people
- Sponsor
- National Cancer Institute (NCI)
HER-2 Positive Breast Cancer, Estrogen Receptor Positive Breast Cancer
Randomized, Open Label, Clinical Study of the Targeted Therapy, Palbociclib, to Treat Metastatic Breast Cancer
The primary objective of this study is to demonstrate that the combination of palbociclib with anti-HER2 therapy plus endocrine therapy is superior to anti-HER2-based therapy plus endocrine therapy alone in improving the outcomes…
- Trial name
- PATINA (NCT02947685)
- Testing
- palbociclib, trastuzumab, pertuzumab
- Where
- 108 sites in United States, Australia and 6 more
- Volunteers
- 518 people
- Sponsor
- Alliance Foundation Trials, LLC.
Advanced Unresectable or Metastatic Breast Cancer, Advanced Solid Tumors
A Trial of HRS-6209 in Combination With Other Antitumor Therapies in Breast Cancer Patients or HRS-9813 as Monotherapy in Patients With Advanced Solid Tumors
The study is being conducted to evaluate the safety, PK and efficacy of HRS-6209 in Combination with Fulvestrant, Letrozole, HRS-8080, HRS-1358 ,or HRS-9813 and HRS-8080，or letrozole and trastuzumab, with or without pertuzumab…
- Trial name
- NCT06555068
- Testing
- HRS-6209 in Combination with Fulvestrant, HRS-6209 in Combination with HRS-1358, HRS-6209 in Combination with Letrozole
- Where
- China
- Volunteers
- 528 people
- Sponsor
- Jiangsu HengRui Medicine Co., Ltd.
Breast Cancer, Estrogen Receptor Positive Tumor
To Reduce the Use of Chemotherapy in Postmenopausal Patients With ER-positive and HER2-positive Breast Cancer (TOUCH)
This is a phase II open-label, multicentre, randomized trial. The study assesses the treatment of postmenopausal patients with hormone receptor positive/HER2 positive early breast cancer with neoadjuvant palbociclib in…
- Conditions
- Breast Cancer, Estrogen Receptor Positive Tumor, HER2-positive Breast Cancer
- Trial name
- TOUCH (NCT03644186)
- Testing
- Paclitaxel, Trastuzumab, Pertuzumab
- Where
- 54 sites in Belgium, France and 2 more
- Volunteers
- 147 people
- Sponsor
- ETOP IBCSG Partners Foundation
Liposarcoma, Prostate Cancer
Study to Test the Safety and Tolerability of PF-07220060 in Participants With Advance Solid Tumors
This is a Phase 1/2A, open label, multicenter, nonrandomized, multiple dose, safety, tolerability, pharmacokinetic and pharmacodynamic study of PF-07220060 administered as a single agent and in combination with endocrine therapy.
- Conditions
- Liposarcoma, Prostate Cancer, Advanced Breast Cancer, NSCLC (Non-small Cell Lung Cancer)
- Trial name
- CDK4i (NCT04557449)
- Testing
- PF-07220060, Letrozole, Fulvestrant
- Where
- 39 sites in United States, Argentina and 6 more
- Volunteers
- 430 people
- Sponsor
- Pfizer
Locally Advanced or Metastatic ER+ HER2- Breast Cancer, Locally Advanced or Metastatic Castration-resistant Prostate Cancer
Study of PF-07248144 in Advanced or Metastatic Solid Tumors
This is an open-label, multi center study to evaluate safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of PF-07248144 and early signs of clinical efficacy of PF-07248144 as a single agent and in combination…
- Conditions
- Locally Advanced or Metastatic ER+ HER2- Breast Cancer, Locally Advanced or Metastatic Castration-resistant Prostate Cancer, Locally Advanced or Metastatic Non-small Cell Lung Cancer
- Trial name
- KAT6 (NCT04606446)
- Testing
- PF-07248144, Fulvestrant, Letrozole
- Where
- 43 sites in United States, Australia and 3 more
- Volunteers
- 320 people
- Sponsor
- Pfizer
Infertility, Male
NT-NOA - Novel Treatment of Some Men With Non-Obstructive Azoospermia
This clinical interventional study aims to assess whether treatment with denosumab in combination with letrozole can improve sperm production in infertile men with non-obstructive azoospermia selected by serum anti-mullerian…
- Trial name
- NT-NOA (NCT06706414)
- Testing
- Denosumab (Prolia), Letrozole (Aromatase Inhibitors)
- Where
- Denmark
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Martin Blomberg Jensen
Advanced HR+/HER2- Breast Cancer
Study of IEV407 as Single Agent or in Combination in Patients With Advanced HR+/HER2- Breast Cancer
The purpose of this study is to evaluate the safety, tolerability and preliminary activity of IEV407 as a single agent and in combination with endocrine therapy (fulvestrant or letrozole) in patients with advanced hormone…
- Trial name
- NCT07604571
- Testing
- IEV407, Fulvestrant, Letrozole
- Where
- 10 sites in United States, Canada and 5 more
- Volunteers
- 194 people
- Sponsor
- Novartis Pharmaceuticals
Breast Cancer
Cognitive Function in Older Women With Stage I, Stage II, or Stage III Breast Cancer Receiving Hormone Therapy
RATIONALE: Gathering information about cognitive function over time in postmenopausal women with breast cancer may help doctors learn about the long-term effects of aromatase inhibitor therapy and plan the best treatment.
- Trial name
- NCT00681928
- Testing
- anastrozole, letrozole, questionnaire administration
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- City of Hope Medical Center
Metastatic Breast Cancer
Roll-over Study to Allow Continued Access to Ribociclib
The purpose of this study is to assess the long-term safety of ribociclib (LEE011) in combination with other drugs and provide post-trial access (PTA) to participants who are currently receiving treatment with ribociclib in…
- Trial name
- NCT05161195
- Testing
- Ribociclib, Letrozole, Anastrozole
- Where
- 73 sites in United States, Argentina and 20 more
- Volunteers
- 134 people
- Sponsor
- Novartis Pharmaceuticals
Ductal Carcinoma in Situ
Prototype DAA/TAA Vaccine Targeting MUC1 for Immune Interception and Prevention in Ductal Carcinoma In Situ
Women with biopsy-proven ductal carcinoma in situ (DCIS) will be enrolled into two cohorts. One cohort will receive neoadjuvant therapy with an aromatase inhibitor or selective estrogen receptor modulator (SERM) for about 12…
- Trial name
- NCT06218303
- Testing
- MUC1 Peptide Vaccine, Hiltonol®, Aromatase Inhibitor
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Finn, Olivera, PhD
Breast Cancer
Study of PF-07220060 With Letrozole in Adults With HR-positive HER2-negative Breast Cancer Who Have Not Received Anticancer Treatment for Advanced/Metastatic Disease
The purpose of this study is to determine the safety and efficacy of PF-07220060 with letrozole compared to approved treatments (ie, palbociclib, ribociclib or abemaciclib with letrozole) in people with breast cancer: HR-positive…
- Trial name
- FourLight-3 (NCT06760637)
- Testing
- PF-07220060, letrozole, abemaciclib
- Where
- 460 sites in United States, Argentina and 28 more
- Volunteers
- 1,035 people
- Sponsor
- Pfizer