Letrozole: all 366 studies that test it
Page 2 of 4. Open to participants first (56), then studies with results posted, then the rest; newest registration first within each.
- Letrozole for LymphangioleiomyomatosisCompletedNCT01353209Phase 2Results posted
- Safety and Efficacy of RAD001 (Everolimus) in Combination With Letrozole in the Treatment of Postmenopausal Women With Locally Advanced or Metastatic Breast CancerCompletedNCT01231659Phase 2Results posted
- Study of BMS-754807 Combined With Letrozole or BMS-754807 Alone in Patients With Hormone Receptor-Positive Breast Cancer and Resistance to Non-Steroidal Aromatase InhibitorsTerminatedNCT01225172Phase 2Results posted
- Effect of Aromatase Inhibitors on Breast Magnetic Resonance Imaging (MRI)CompletedNCT01129622Phase 2Results posted
- Panobinostat and Letrozole in Treating Patients With Metastatic Breast CancerCompletedNCT01105312Phase 1/2Results posted
- Bioequivalence Study of Letrozole 2.5 mg TabletsCompletedNCT01084499Not applicableResults posted
- Letrozole and RAD001 With Advanced or Recurrent Endometrial CancerActive, not recruitingNCT01068249Phase 2Results posted
- Assessment of Multiple Intrauterine Gestations From Ovarian StimulationCompletedNCT01044862Phase 3Results posted
- RCT of Fixed vs Titrated Letrozole in Breast Cancer Patient Undergoing IVFCompletedNCT01035099Phase 4Results posted
- Letrozole as a Treatment of Endometrial CancerCompletedNCT00997373Not applicableResults posted
- Extended Endocrine Therapy for Premenopausal Women With Breast CancerCompletedNCT00903162Phase 2Results posted
- Letrozole in Women With Advanced Estrogen/Progesterone Receptor Positive Uterine LeiomyosarcomaCompletedNCT00856050Phase 2Results posted
- A Study of R1507 in Combination With Letrozole in Postmenopausal Women With Advanced Breast CancerTerminatedNCT00796107Phase 2Results posted
- Letrozole in Breast Cancer Who Have Received 5 Years of Aromatase Inhibitor TherapyCompletedNCT00754845Phase 3Results posted
- Pregnancy in Polycystic Ovary Syndrome IICompletedNCT00719186Phase 3Results posted
- BIBW 2992 and Letrozole in Hormonoresistant Metastatic Breast CancerCompletedNCT00708214Phase 2Results posted
- Rheumatological Evaluation of Anastrozole and Letrozole as Adjuvant Treatment in Post-menopausal Women With Breast CancerCompletedNCT00688909Phase 4Results posted
- Phase I/II Trial of Letrozole and Sorafenib in Post-Menopausal Hormone-Receptor + Breast CancerCompletedNCT00634634Phase 1/2Results posted
- Ph II Letrozole + OSI-774 (Tarceva) in Post-menopausal, w/ ER and/or PR-positive Met Breast Cancer.TerminatedNCT00611715Phase 2Results posted
- Study of Breast Cancer Prevention by Letrozole in High Risk WomenCompletedNCT00579826Phase 2Results posted
- 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 CancerCompletedNCT00553410Phase 3Results posted
- Intermittent Letrozole Therapy in Postmenopausal Women With Metastatic Breast CancerTerminatedNCT00549822Phase 2Results posted
- Comparing Letrozole Given Alone to Letrozole Given With Avastin in Post-Menopausal Women Breast CancerCompletedNCT00530868Phase 2Results posted
- Letrozole in Patients With Ovarian TumorsTerminatedNCT00505661Phase 2Results posted
- PhII Neo-Adjuvant Letrozole & Lapatinib in Pts w/HER2+ & Hormone Receptor+ Operable Breast CA SPORETerminatedNCT00499681Phase 2Results posted
- Randomized Phase II Study of Preoperative Letrozole (Femara) in Combination With Avastin in Hormone Receptor Positive Breast CancerTerminatedNCT00461773Phase 2Results posted
- Vitamin D Deficiency, Muscle Pain, Joint Pain, and Joint Stiffness in Postmenopausal Women Receiving Letrozole For Stage I-III Breast CancerCompletedNCT00416715Phase 2Results posted
- Letrozole Versus Observation in Patients With Newly Diagnosed Uterine LeiomyosarcomaTerminatedNCT00414076Phase 2Results posted
- Letrozole in Treating Postmenopausal Women Who Have Received Hormone Therapy for Hormone Receptor-Positive Breast CancerActive, not recruitingNCT00382070Phase 3Results posted
- Letrozole Treatment in Normal and GnRH Deficient WomenStatus unknownNCT00351416Phase 1/2Results posted
- Letrozole and Imatinib Mesylate in Treating Postmenopausal Participants With Estrogen or Progesterone Positive Metastatic Breast CancerCompletedNCT00338728Phase 2Results posted
- Protocol for Women at Increased Risk of Developing Breast CancerCompletedNCT00291135Phase 2Results posted
- Tamoxifen or Letrozole in Treating Women With Ductal Carcinoma in SituCompletedNCT00290745Phase 1/2Results posted
- Exemestane, Letrozole, or Anastrozole in Treating Postmenopausal Women Who Are Undergoing Surgery for Stage II or Stage III Breast CancerCompletedNCT00265759Phase 3Results posted
- Comparison Trial of Letrozole to Anastrozole in the Adjuvant Treatment of Postmenopausal Women With Hormone Receptor and Node Positive Breast CancerCompletedNCT00248170Phase 3Results posted
- Zoledronic Acid in the Prevention of Cancer Treatment Related Bone Loss in Postmenopausal Women Receiving Letrozole for Breast Cancer.CompletedNCT00171340Phase 3Results posted
- The Use of Zoledronic Acid to Prevent Cancer-treatment Bone Loss in Post-menopausal Women Receiving Adjuvant Letrozole for Breast CancerCompletedNCT00171314Phase 3Results posted
- Letrozole in Preventing Breast Cancer in Postmenopausal WomenCompletedNCT00090857Phase 2Results posted
- 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 TherapyCompletedNCT00050011Phase 3Results posted
- Letrozole Versus Letrozole and InositolCompletedNCT07873294Not applicable
- Sequential vs. Combined Letrozole and Methotrexate for Tubal Ectopic Pregnancy.Active, not recruitingNCT07842796Phase 2/3
- Comparative Evaluation of the Efficacy of Letrozole, L-Carnitine, and Their Combination on Sperm Quality, Oxidative Stress, and ART Outcomes in Men With Idiopathic Oligoasthenoteratozoospermia.CompletedNCT07669402Phase 2/3
- Letrozole Plus Misoprostol Versus Misoprostol Only in Induction of Missed AbortionCompletedNCT07636317Not applicable
- Letrozole vs. Clomiphene Citrate Plus Tamoxifen for Ovulation Induction and Pregnancy Outcomes.Active, not recruitingNCT07616973Phase 3
- Endometrial Response in Polyendocrine Metabolic Ovarian Syndrome (PMOS) Treated With Letrozole Alone or With Added Estradiol ValerateCompletedNCT07379502Not applicable
- Letrozole vs Danazol for Endometriosis-Related Pain: Randomized TrialCompletedNCT07183787Phase 2
- Letrozole and Cabergoline Versus Letrozole Alone in Ovulation InductionCompletedNCT07168837Not applicable
- Comparison of Clomid and Lezra With Lezra for Ovulation Induction in Clomid Resistant PCOS CaseCompletedNCT06813118Phase 1
- NT-NOA - Novel Treatment of Some Men With Non-Obstructive AzoospermiaCompletedNCT06706414Phase 1/2
- Comparison of the Effectiveness of Single-Dose Methotrexate Protocol With Letrozole + Single-Dose Methotrexate in the Medical Treatment of Patients Diagnosed With Ectopic PregnancyCompletedNCT06504082Not applicable
- Comparison Between Two Ovulation Induction Therapies and LOD on Clinical Outcomes in CC-Resistant PCOS WomenCompletedNCT06486870Phase 3
- Letrozole and Misoprostol for Early Pregnancy Loss ManagementCompletedNCT06452719Phase 2
- Sequential Letrozole and Methotrexate Therapy Role in Treatment of Tubal Ectopic PregnancyCompletedNCT06426979Not applicable
- Only Gonadotropin Vs. Letrozole Combined Gonadotropin Stimulation in IUI CyclesCompletedNCT06413771Not applicable
- Adjuvant Therapy With Letrozole in Induction of Ovulation With Polycystic Ovarian SyndromeCompletedNCT06405178Phase 3
- Letrozole Dose Increments in PCOS Patients Resistant to LetrozoleCompletedNCT06403488Phase 3
- GnRHa + Letrozole in Obese Progestin-insensitive Endometrial Atypical Hyperplasia PatientsActive, not recruitingNCT06390904Phase 2/3
- Letrozole Alone Protocol Versus Using Letrozole and HCG ProtocolCompletedNCT06367712Phase 1
- Comparison of Rate of Complete Abortion Between Letrozole Plus Misoprostol vs Misoprostol AloneCompletedNCT05940233Not applicable
- Assessment of the Efficacy of Letrozole in the Treatment of Ectopic PregnancyStatus unknownNCT05918718Phase 1/2
- Clinical Study on Adjuvant Therapy of TQB3616 Combined With Endocrine Therapy Compared With Placebo Combined With Endocrine Therapy in Patients With Breast CancerActive, not recruitingNCT05780567Phase 3
- Letrozole vs Clomiphene Citrate for Induction of Ovulation in Women With Polycystic Ovarian SyndromeCompletedNCT05702957Phase 2/3
- Neoadjuvant Dalpiciclib Plus Letrozole for HR+/HER2- Breast CancerStatus unknownNCT05512416Phase 2
- Dalpiciclib Plus Letrozole and CapecitabineStatus unknownNCT05469750Phase 2
- Letrozole as Maintenance Therapy for Post-surgical Endometrial Cancer Patients With NSMPTerminatedNCT05454358Phase 2/3
- Different Induction Protocols in PCOS After Clomiphene Citrate Failed Pregnancy in Non-IVF CyclesStatus unknownNCT05362799Phase 4
- A Phase Ib Study of GB491 Plus Letrozole in Patients With Advanced Breast CancerStatus unknownNCT05337657Phase 1
- Comparison Between Letrozole and Mifepristone in Medical Termination of First Trimester MiscarriagesCompletedNCT05304273Phase 3
- Phase II Lenvatinib and Pembrolizumab in Endocrine Resistant Breast Cancer With LetrozoleActive, not recruitingNCT05286437Phase 2
- A Study of XZP-3287 in Combination With Letrozole/Anastrozole in Patients With Advanced Breast CancerActive, not recruitingNCT05257395Phase 3
- Gonadotropin-releasing Hormone Agonist (GnRHa) Plus Letrozole In Young Women With Early Endometrial CancerActive, not recruitingNCT05247268Phase 2
- SMMART Adaptive Clinical Treatment (ACT) TrialWithdrawnNCT05238831Early Phase 1
- Letrozole as a Prophylaxis From GTN for Complete Mole PatientsStatus unknownNCT05203562Phase 2/3
- Evaluation of Different Doses of Letrozole in Ectopic PregnancyCompletedNCT05198141Phase 4
- Letrozole in Induction of Abortion of Anembryonic PregnancyCompletedNCT05198050Not applicable
- Effect of HSD3B1 (1245C) Gene Mutation on Treatment of Stage I-III Breast CancerTerminatedNCT05183828Phase 4
- Letrozole Versus Hormonal Preparation in Frozen Cycles of PCOS Patients.WithdrawnNCT05168865Phase 4
- Letrozole /GnRH Antagonist Protocol in Women Over 40 Years Undergoing ICSI CycleCompletedNCT05166668Not applicable
- Neoadjuvant Treatment of Locally-advanced Breast Cancer Patients With Ribociclib and LetrozoleCompletedNCT05163106Phase 2
- Evaluating the Pharmacokinetics and Drug Interaction Potential of the Botanical Dietary Supplement CinnamonCompletedNCT05157672Early Phase 1
- Neoadjuvant Endocrine Therapy in ER-positive, HER2-negative Early Stage Breast CancerCompletedNCT05150652Phase 2
- Efficacy of Letrozole Versus Clomiphene Citrate on Ovulation Induction in Patients With Polycystic Ovarian SyndromeCompletedNCT05075863Not applicable
- Study of Efficacy, Safety, and Pharmacokinetics of FCN-437c in Combination With Fulvestrant or Letrozole+GoserelinStatus unknownNCT05004142Phase 2
- A Study Evaluating the Efficacy and Safety of Biomarker-Driven Therapies in Patients With Persistent or Recurrent Rare Epithelial Ovarian TumorsActive, not recruitingNCT04931342Phase 2
- A Study of Letrozole, Palbociclib, and Onapristone ER in People With Metastatic Breast CancerWithdrawnNCT04872608Phase 1
- Letrozole Versus Gonadotropins in Clomiphene Citrate ResistanceCompletedNCT04834791Phase 4
- Investigating Atezolizumab in Newly Diagnosed ER Positive Breast Cancer Patients According to Their AdipOsityWithdrawnNCT04630210Early Phase 1
- the Effect of Clomiphene Citrate Plus Estradiol Valerate Versus Letrozole on Endometrial Thickness and Pregnancy Rate in Infertile WomenCompletedNCT04619914Not applicable
- Letrozole Pretreatment With Misoprostol Induction of Abortion in First Trimester Missed AbortionStatus unknownNCT04590482Phase 4
- A Single Arm Phase II Study of ADjuvant Endocrine Therapy, Pertuzumab, and Trastuzumab for Patients With Anatomic Stage I Hormone Receptor-positive, HER2-positive Breast CancerActive, not recruitingNCT04569747Phase 2
- Phase II Study of Neoadjuvant ArOMatase Inhibitor Therapy for ER+ Breast Cancer (NAOMI)Active, not recruitingNCT04568616Phase 2
- PF-07104091 as a Single Agent and in Combination TherapyActive, not recruitingNCT04553133Phase 2
- Neoadjuvant Study of Targeting ROS1 in Combination With Endocrine Therapy in Invasive Lobular Carcinoma of the Breast (ROSALINE)Active, not recruitingNCT04551495Phase 2
- A Phase I/II Study of XZP-3287 in Metastasis Solid TumorsActive, not recruitingNCT04539496Phase 1/2
- RIOTC: Reducing the Impact of Ovarian Stimulation. Novel Approaches to Luteal Support in IVF-Study 2CompletedNCT04524026Phase 2
- Safety, Tolerability, Pharmacokinetics and Antitumor Activity of FCN-437cStatus unknownNCT04488107Phase 1/2
- Pyrotinib Maleate, CDK4/6 Inhibitor and Letrozole in Combination for Stage II-III TPBC: a Phase II TrialActive, not recruitingNCT04486911Phase 2
- Efficacy of Letrozole in Recurrent Ovarian CancerTerminatedNCT04421547Phase 3
- Pyrotinib in Combination With Letrozole in Patients With HER2-Positive, ER-Positive Metastatic Breast CancerStatus unknownNCT04407988Phase 2
- Abemaciclib and Letrozole to Treat Endometrial CancerActive, not recruitingNCT04393285Phase 2