Clinical trials: Letrozole, open to volunteers
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.
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)
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.
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
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
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
HR+/HER2- Breast Cancer
BGB-43395 Plus Letrozole Versus CDK4/6i Plus Letrozole for Patients With Advanced or Metastatic HR+/HER2- Breast Cancer Who Have Not Received Prior Treatment for Advanced or Metastatic Disease
The purpose of this study is to investigate the efficacy and safety of BGB-43395 in combination with letrozole compared with investigator's choice of cyclin-dependent kinase 4/6 inhibitor (CDK4/6i) in combination with letrozole…
- Trial name
- KANDELA-302 (NCT07492641)
- Testing
- BGB-43395, Letrozole, Abemaciclib
- Where
- 206 sites in United States, Australia and 14 more
- Volunteers
- 1,056 people
- Sponsor
- BeOne Medicines
Advanced Solid Tumor, Advanced Breast Cancer
BGB-43395 Alone or as Part of Combination Therapies in Participants With Breast Cancer and Other Advanced Solid Tumors
This is a dose escalation and dose expansion study to compare how well BGB-43395, a selective cyclin-dependent kinase 4 (CDK4) inhibitor, works as monotherapy or in combination with fulvestrant, letrozole, or elacestrant in…
- Conditions
- Advanced Solid Tumor, Advanced Breast Cancer, Metastatic Breast Cancer, Hormone-receptor-positive Breast Cancer
- Trial name
- NCT06120283
- Testing
- BGB-43395, Fulvestrant, Letrozole
- Where
- 61 sites in United States, Australia and 9 more
- Volunteers
- 433 people
- Sponsor
- BeOne Medicines
Endometrial Cancer, Recurrent Endometrial Cancer
ALPINE: Maintenance Letrozole/Abemaciclib
The purpose of this research study is to see if the study drugs abemaciclib and letrozole are effective and safe for participants with estrogen-receptor positive (ER+), mismatch repair proficient, tumor protein p53 (TP53)…
- Conditions
- Endometrial Cancer, Recurrent Endometrial Cancer, TP53
- Trial name
- NCT06366347
- Testing
- Abemaciclib, Letrozole, Pembrolizumab
- Where
- 8 sites in United States
- Volunteers
- 32 people
- Sponsor
- Dana-Farber Cancer Institute
Breast Cancer, Early Breast Cancer
A Study of Camizestrant in ER+/HER2- Early Breast Cancer After at Least 2 Years of Standard Adjuvant Endocrine Therapy
This is a Phase III open-label study to assess if camizestrant improves outcomes compared to standard endocrine therapy in patients with ER+/HER2 - early breast cancer with intermediate or high risk for disease recurrence who…
- Trial name
- CAMBRIA-1 (NCT05774951)
- Testing
- Camizestrant, Tamoxifen, Anastrozole
- Where
- 709 sites in United States, Argentina and 37 more
- Volunteers
- 4,300 people
- Sponsor
- AstraZeneca
Metastatic Breast Cancer
A Study Evaluating the Efficacy and Safety of Multiple Treatment Combinations in Patients With Metastatic or Locally Advanced Breast Cancer
This is an umbrella study evaluating the efficacy and safety of multiple treatment combinations in participants with metastatic or inoperable locally advanced breast cancer. The study will be performed in two stages.
- Trial name
- Morpheus-panBC (NCT03424005)
- Testing
- Capecitabine, Atezolizumab, Ipatasertib
- Where
- 55 sites in United States, Australia and 7 more
- Volunteers
- 1,132 people
- Sponsor
- Hoffmann-La Roche
Breast Cancer
Phase 3 Study of Gedatolisib as First-Line Treatment for Patients With HR-Positive, HER2-Negative Advanced Breast Cancer (VIKTORIA-2)
This is a Phase 3, open-label, randomized, clinical trial evaluating the efficacy and safety of gedatolisib and palbociclib plus endocrine therapy for the treatment of patients with locally advanced or metastatic HR+/HER2…
- Trial name
- NCT06757634
- Testing
- Arm A: Gedatolisib + Palbociclib + Fulvestrant, Arm B: Ribociclib + Fulvestrant, Arm C: Gedatolisib + Palbociclib + Letrozole
- Where
- 239 sites in United States, Argentina and 23 more
- Volunteers
- 1,180 people
- Sponsor
- Celcuity Inc
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
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
Advanced or Metastatic Breast Cancer
A Study to Evaluate the Effects of GDC-4198 in Combination With Letrozole, Fulvestrant, or Giredestrant in Participants With Locally Advanced or Metastatic Hormone Receptor-Positive, HER2-Negatve Breast Cancer
The study will evaluate the safety, pharmacokinetics, and preliminary activity of GDC-4198 when given in combination with endocrine therapy (ET) (letrozole, fulvestrant, or giredestrant) as first-line treatment to participants…
- Trial name
- FrontROSE (NCT07867262)
- Testing
- GDC-4198, Fulvestrant, Letrozole
- Volunteers
- 165 people
- Sponsor
- Genentech, Inc.
Breast Neoplasms, Neoplasm Metastasis
A Study of Tersolisib (LY4064809/STX-478) With Other Anti-Cancer Treatments in Participants With Advanced Breast Cancer With a Genetic Change (PIK3CA)
The purpose of the study is to assess the efficacy and safety of the addition of Tersolisib (LY4064809/STX-478) to other anti-cancer drugs as first treatment for advanced hormone receptor-positive (HR+)/human epidermal growth…
- Trial name
- NCT07174336
- Testing
- LY4064809, Ribociclib, Palbociclib
- Where
- 363 sites in United States, Argentina and 17 more
- Volunteers
- 800 people
- Sponsor
- Eli Lilly and Company
Brest Cancer ER+ and HER2 Negative
De-EscaLaTion of Aromatase Inhibitor Therapy: A Randomized Phase II Study of De-escalated Letrozole in Hormone Receptor-Positive Early Breast Cancer
This study is a randomized, open-label, phase II trial designed to evaluate whether alternate-day dosing of letrozole preserves antiproliferative activity compared with standard daily dosing in postmenopausal women with estrogen…
- Trial name
- DELTA (NCT07866430)
- Testing
- Letrozole
- Where
- United States
- Volunteers
- 144 people
- Sponsor
- Montefiore Medical Center
ER-positive Breast Cancer, HER2-negative Breast Cancer
Elacestrant for Treating ER+/HER2- Breast Cancer Patients With ctDNA Relapse (TREAT ctDNA)
This is an international, multi-center, randomised, open label, superiority phase III trial of elacestrant vs standard endocrine therapy in patients with ER+/HER2- breast cancer and ctDNA relapse.
- Conditions
- ER-positive Breast Cancer, HER2-negative Breast Cancer, Stage IIB Breast Cancer, Stage III Breast Cancer
- Trial name
- TREAT ctDNA (NCT05512364)
- Testing
- Elacestrant, Tamoxifen, Letrozole 2.5mg
- Where
- 113 sites in Belgium, Cyprus and 10 more
- Volunteers
- 220 people
- Sponsor
- European Organisation for Research and Treatment of Cancer - EORTC