Letrozole: all 366 studies that test it
Page 3 of 4. Open to participants first (56), then studies with results posted, then the rest; newest registration first within each.
- Endometrial Preparation by Short Course of Letrozole Before Hysteroscopic Removal of Endocavitary LesionsStatus unknownNCT04364581Phase 4
- Cost Effectiveness Analysis for Induction of Ovulation in the Polycystic Ovary Syndrome by Letrozole Versus Clomiphene CitrateStatus unknownNCT04361175Early Phase 1
- Letrozole in Tubal Ectopic PregnancyStatus unknownNCT04341545Phase 3
- BMI Effect on the Response to Ovulation Induction in Letrozole vs ClomidStatus unknownNCT04331197Phase 4
- Hormone Secretion in Transgender MalesWithdrawnNCT04321551Phase 4
- The Aromatase Inhibitor and Gnrh Antagonist Versus Methotrexate for Management of Undisturbed Ectopic PregnancyStatus unknownNCT04308343Not applicable
- Controlled Ovarian Stimulation in Newly Diagnosed Breast Cancer PatiEnts (fAMHOPE)TerminatedNCT04289805Phase 4
- Extended Letrozole Regimen Co-treatment With Gonadotropin Releasing Hormone Antagonist Protocol Versus Gonadotropin Releasing Hormone Antagonist Protocol in Poor Responders Undergoing IVF-ETStatus unknownNCT04268927Phase 2
- Effectiveness of Pretreatment Letrozole Versus Misoprostol Alone in Missed AbortionStatus unknownNCT04194658Phase 2
- Different Protocols in Ovarian Stimulation in Intracytoplasmic Sperm Injection CyclesWithdrawnNCT04193930Not applicable
- The Outcomes of ICSI Cycles With and Without LetrozoleStatus unknownNCT04159649Phase 4
- Palbociclib Plus Letrozole in Hormone Receptor Positive Residual Disease After Neoadjuvant ChemotherapyCompletedNCT04130152Early Phase 1
- Follicular Synchronization in PCOS Patients Undergoing ICSICompletedNCT04069117Phase 4
- Abemaciclib and Letrozole in Treating Patients With Endometrial CancerCompletedNCT04049227Early Phase 1
- Letrozole for Frozen Embryo Transfer (FET) in Patients With Polycystic Ovary Syndrome (PCOS)WithdrawnNCT04002635Phase 4
- Palbociclib Plus Letrozole Treatment After Progression to Second Line Chemotherapy for Women With ER/PR-positive Ovarian CancerCompletedNCT03936270Phase 2
- Phase IB & II Study of Ribociclib With Trastuzumab Plus Letrozole in Postmenopausal HR+, HER2+ Advanced Breast Cancer PatientsStatus unknownNCT03913234Phase 1/2
- Does Letrozole Improve Pregnancy Outcome in Fresh Embryo Transfer IVF/ICSI Cycle?Status unknownNCT03901170Phase 4
- Palbociclib, Letrozole & Venetoclax in ER and BCL-2 Positive Breast CancerActive, not recruitingNCT03900884Phase 1
- PersonaLized neoAdjuvant Strategy ER Positive and HER2 Negative Breast Cancer TO Increase BCS RateActive, not recruitingNCT03900637Phase 2
- Letrozole Pretreatment With Misoprostol fInduction of Abortion In First-Trimester Missed MiscarriageStatus unknownNCT03628625Phase 2
- Biological and Clinical Effects of Palbociclib With Ovarian Suppression and Letrozole in the Neoadjuvant Treatment of Breast CancerCompletedNCT03628066Phase 2
- Endometrial Preparation in Frozen Embryo Transfer CyclesStatus unknownNCT03540979Not applicable
- Neo-adjuvant Chemotherapy With Letrozole in Patients With Estrogen Receptor Positive/HER-2 Negative Breast CancerStatus unknownNCT03497702Phase 2
- Intrauterine Insemination With Letrozole Versus in Natural CycleCompletedNCT03455426Not applicable
- Evaluation of IM Letrozole ISM® Pharmacokinetics, Safety, and Tolerability in Healthy Post-menopausal Women (LISA-1)CompletedNCT03401320Phase 1
- Different Methods of Termination of Second Trimester AbortionStatus unknownNCT03400683Not applicable
- IMPACT: A Randomized WOO Study of Novel Therapeutic Agents in Women Triaged to Primary Surgery for EOCCompletedNCT03378297Early Phase 1
- Risk and Clinical Benefit of Chemotherapy and Intensive Endocrine Therapy for Luminal B1 Early-stage Breast CancerStatus unknownNCT03373708Phase 2/3
- Study Evaluating Hemay022 in Combination With Endocrine Therapy In Subjects With ER Positive and HER2 Positive Advanced Breast CancerCompletedNCT03308201Phase 1
- Treatment Plan for an Individual Patient With Recurrent Uterine Papillary Serous Carcinoma (UPSC) With PIK3CA Gene MutationCompletedNCT03285802Phase 2/3
- Neadjuvant Multi-agent Chemotherapy or Letrozole Plus Ribociclib in Luminal B/HER2-negative Breast Cancer.CompletedNCT03248427Phase 2
- Induction of Ovulation Using Clomiphene Citrate and N-acetyl Cysteine Versus LetrozoleCompletedNCT03241472Phase 3
- Endocrine Therapy in Treating Patients With HER2 Negative, Low Risk Breast CancerWithdrawnNCT03238703Phase 4
- Letrozole Step-up Protocol for Ovulation Induction in Infertile Women With PCOSCompletedNCT03181919Not applicable
- Letrozole in Clomiphene Resistant Infertile Women With Polycystic Ovarian SyndromeStatus unknownNCT03135301Phase 3
- Letrozole Versus Laparoscopic Ovarian Drilling in Polycystic Ovary SyndromeStatus unknownNCT03009838Phase 3
- Neoadjuvant Hormonal Therapy Compared to Neoadjuvant Chemotherapy in Stage IIIB/C and IV Breast Cancer PatientsCompletedNCT02995772Phase 3
- Neoadjuvant Chemo-endocrine Therapy Versus Chemotherapy Alone in ER-positive, HER2-negative Breast CancerCompletedNCT02980965Phase 3
- A Clinical Trial to Compare Efficacy and Tolerability of Atorvastatin in Addition to Endocrine Treatment With Focus on Mechanisms of Resistance to Endocrine Treatment (Fulvestrant/Aromatase Inhibitors) in Patients With Advanced Breast CancerCompletedNCT02958852Phase 2
- Effect of Addition of Aromatase Inhibitor to Ovarian Stimulation Therapy in IVF TreatmentCompletedNCT02946684Phase 2/3
- Mapping the Endocrine Determinants of Ovarian Stimulation to Optimize Outcomes in Fresh Embryo Transfer CyclesCompletedNCT02939898Phase 2/3
- Letrozole in Stimulated IVF CyclesCompletedNCT02912988Phase 3
- Effect of Letrozole on Seminal Parameters in Men With Non Obstructive Azoospermia and Severe Oligozoospermia.CompletedNCT02900105Phase 3
- Palbociclib and FES PETCompletedNCT02806050Phase 2
- Phase 0 Study of Metronomic Oral Vinorelbine and Letrozole in HR+/HER2-negative Early Breast Cancer Patients (VENTANA)CompletedNCT02802748Early Phase 1
- Aromatase Inhibitors Plus Chemotherapy vs Chemotherapy as Neoadjuvant Treatment in Postmenopausal HR(+) Breast CancerStatus unknownNCT02769104Phase 3
- A Trial of Neoadjuvant Everolimus Plus Letrozole Versus FEC in Women With ER-positive, HER2-negative Breast CancerCompletedNCT02742051Phase 2
- Role of Aromatase Inhibitor to Enhance Ovulation in Poor Responder During Induction With Short Antagonist Protocol in Cases of ICSICompletedNCT02741154Phase 4
- Trial of Letrozole + Palbociclib/Placebo in Metastatic Endometrial CancerCompletedNCT02730429Phase 2
- Administration of Single High Dose Letrozole for Ovulation InductionCompletedNCT02703649Phase 4
- Radiological and Biological Tumoural and Peri-tumoural Factors in Neoadjuvant Endocrine-treated Breast CancersCompletedNCT02701348Not applicable
- A Study To Assess The Tolerability And Clinical Activity Of Gedatolisib In Combination With Palbociclib/Letrozole Or Palbociclib/Fulvestrant In Women With Metastatic Breast CancerCompletedNCT02684032Phase 1
- Preventive Application of Letrozole Decrease Incidence of Early Onset of OHSSCompletedNCT02670304Phase 4
- Fertility Preservation in Breast Cancer PatientsCompletedNCT02661932Phase 4
- A Comparison of Letrozole and Clomifene CitrateStatus unknownNCT02647424Not applicable
- Neoadjuvant Run-In Study With TAK-228 Followed by Letrozole/TAK-228 in Women With High-Risk ER+/HER2- Breast CancerWithdrawnNCT02619669Phase 1
- Nintedanib+Letrozole in Postmenopausal Women With Breast Cancer: Clinical Trial Safety and PharmacodynamicsCompletedNCT02619162Phase 1
- Study in Letrozole Combined With Metronomic Oral Cyclophosphamide in Elderly Metastasis Breast Cancer PatientsCompletedNCT02583828Not applicable
- Neoadjuvant Lenvatinib Combined With Letrozole in Hormone Receptor Positive Breast CancerActive, not recruitingNCT02562118Phase 1/2
- Letrozole Versus Clomiphene Citrate for Ovulation Induction in Women With Poly Cystic Ovary Syndrome ( PCOS )Status unknownNCT02551367Phase 2
- Impact of Omega 3 Fatty Acid Supplementation on Aromatase in Obese SubjectsCompletedNCT02538484Early Phase 1
- The Effect of 7 Days of Letrozole Pretreatment Combined With Misoprostol on the Placental and Decidual TissuesCompletedNCT02457312Phase 2
- Letrozole Pretreatment With Misoprostol for Second-Trimester Medical AbortionCompletedNCT02405156Phase 2/3
- Use of Letrozole Pretreatment With Misoprostol for First-Trimester Medical AbortionCompletedNCT02401425Phase 2/3
- Efficacy of Letrozole + Palbociclib Combination as Neoadjuvant Treatment of Stage II-IIIA PAM 50 ROR-defined Low or Intermediate Risk Luminal Breast Cancer, in Postmenopausal WomenCompletedNCT02400567Phase 2
- Endocrinology Profile in Patients Undergoing Clomiphene, Letrozole, and Combination Clomiphene and Letrozole CyclesWithdrawnNCT02377479Not applicable
- A Phase Ib Dose Escalation Study of the Combination of LEE011 With Letrozole and Dose Expansion of LEE011 With Hormonal Therapy for the Treatment of Pre-(With Goserelin) and Postmenopausal Women With Hormone Receptor Positive, HER2-negative, Advanced Breast CancerCompletedNCT02333370Phase 1
- Comparison Between Letrozole and Laparoscopic Ovarian Drilling in Women With Clomiphene Resistant Polycystic Ovarian Syndrome (PCOS)Status unknownNCT02305693Phase 3
- Comparison Between Letrozole and Urinary Purified FSH in Women With Clomiphene Citrate Resistant Polycystic Ovarian Syndrome.CompletedNCT02304107Phase 3
- Outcome of Three Controlled Ovarian Hyperstimulation Protocols in Poor Responding Infertility PatientsCompletedNCT02293668Not applicable
- Neoadjuvant Trastuzumab and Letrozole for Postmenopausal WomenStatus unknownNCT02214004Phase 2
- Comparison of Treatment Modalities in Poor Responders Undergoing IVFCompletedNCT02158689Not applicable
- Dose Escalation Study of LEE011 in Combination With Buparlisib and Letrozole in HR+, HER2-negative Post-menopausal Women With Advanced Breast Cancer.CompletedNCT02154776Phase 1
- Everolimus, Letrozole and Trastuzumab in HR- and HER2/Neu-positive PatientsCompletedNCT02152943Phase 1
- Comparison of 2 Ovarian Stimulation Protocols for Women With Low Ovarian ReserveStatus unknownNCT02128360Not applicable
- Influence of Aromatase Inhibition on Hepatic- and Cardiac Function in Severe Obese MenCompletedNCT02097680Phase 4
- Evaluation of Predictive Factors Regarding the Effectivity of Aromatase Inhibitor Therapy (PreFace)Status unknownNCT01908556Phase 4
- Constitutional Delay of Growth and Puberty: Towards Evidence-based TreatmentCompletedNCT01797718Phase 2/3
- BYL719 and Letrozole in Post-Menopausal Patients With Hormone Receptor-Positive Metastatic Breast CancerCompletedNCT01791478Phase 1
- The Effects of Two Endometrium Preparation Protocols in Frozen-thawed Embryo Transfer in Women With Irregular CyclesStatus unknownNCT01780610Not applicable
- Impact of Obesity on the Efficacy of Endocrine Therapy With Aromatase InhibitorsStatus unknownNCT01758146Phase 3
- Letrozole and CDK 4/6 Inhibitor for ER Positive, HER2 Negative Breast Cancer in Postmenopausal WomenStatus unknownNCT01709370Phase 2
- Study to Compare Between Combimed Metformin-letrozole and Ovarian Drilling in Pcos With Bilateral Ovarian Drilling in Clomiphene-resistant Infertile Women With Polycystic Ovarian SyndromeCompletedNCT01693289Phase 1
- Letrozole or Combined Clomiphene Citrate Metformin as a First Line Treatment in Women With Polycystic Ovarian SyndromeCompletedNCT01679574Not applicable
- Randomized Study of Letrozole and Trilostane for Medical AbortionTerminatedNCT01615211Phase 2
- Circulating miRNAs as Biomarkers of Hormone Sensitivity in Breast CancerCompletedNCT01612871Phase 4
- The Effects of Letrozole And Clomiphene Citrate For Induction of Ovulation In Polycystic Ovarian Syndrome(PCOS)CompletedNCT01577017Phase 3
- Feasibility Study for the Determination of Oxysterols in Patients With Breast Cancer Receiving Hormonal Therapy With Tamoxifen or NotCompletedNCT01553903Phase 4
- Study on Combined Use of Letrozole, Mifepristone and Misoprostol in Termination of PregnancyStatus unknownNCT01475318Not applicable
- Letrozole Versus Chinese Herbal Medicine on Polycystic Ovary Syndrome (PCOS)Status unknownNCT01431352Not applicable
- Bioavailability Study of Letrozole Tablets 2.5 mg of Dr.Reddy's Under Fasting ConditionsCompletedNCT01375452Phase 1
- Bioavailability Study of Letrozole Tablets 2.5 mg of Dr.Reddy's Under Fed ConditionsCompletedNCT01372982Phase 1
- Bioequivalency Study of Letrozole 2.5 mg Tablets Under Fasted ConditionsCompletedNCT01367652Phase 1
- Bioequivalency Study of Letrozole 2.5 mg Tablets Under Fed ConditionsCompletedNCT01367626Phase 1
- Dosage Optimization for Letrozole TreatmentCompletedNCT01315912Phase 4
- Neoadjuvant Combined Endocrine and HER2 Target Therapy in Postmenopausal Women With ER and Her2 Positive Breast CancerCompletedNCT01275859Phase 2
- RO4929097 and Letrozole in Treating Post-Menopausal Women With Hormone Receptor-Positive Stage II or Stage III Breast CancerTerminatedNCT01208441Phase 1
- Letrozole in Preventing Breast Cancer in Healthy Postmenopausal Women at High Risk for Breast CancerCompletedNCT01077453Phase 1
- Extended Adjuvant Treatment With Letrozole in Breast Cancer Who Complete 5 Years of ToremifeneStatus unknownNCT01072318Phase 4