5-alpha reductase inhibitors: all 120 studies that test it

Page 1 of 2. Open to participants first (9), then studies with results posted, then the rest; newest registration first within each.

• Perioperative Dutasteride for Hemorrhage Control in Bipolar TURP Under Anticoagulation.Not yet recruitingNCT07911501Phase 4
• Efficacy and Safety of Combination Therapy Compared With Monotherapy in Patients With Benign Prostatic HyperplasiaNot yet recruitingNCT07870759Phase 3
• Testosterone Therapy With or Without Finasteride After Spinal Cord Injury: TRT-SCI TrialNot yet recruitingNCT07742553Phase 2/3
• Evaluation of Topical Dutasteride as a Potential New Therapy for Facial Acne Vulgaris Versus the Triple Combination Therapy (Clindamycin Phosphate 1.2%, Benzoyl Peroxide 3.1%, and Adapalene 0.15% Gel)Not yet recruitingNCT07421804Not applicable
• Dutasteride in Patients With Low Grade Non-muscle Invasive Bladder CancerRecruitingNCT07420517Phase 2
• Various Procedural Treatment Options for Androgenetic AlopeciaNot yet recruitingNCT06826001Phase 2
• Effectiveness and Safety of Topical Finasteride and Minoxidil Combination Compared to Topical Minoxidil for The Treatment of Male Androgenetic AlopeciaRecruitingNCT05990400Phase 2/3
• Phase II Dutasteride in Combination With CAB vs CAB in SDCRecruitingNCT05513365Phase 2
• Sleep Apnea in ElderlyRecruitingNCT02703220Phase 4
• Dutasteride Treatment for Reducing Heavy Drinking in AUD: Predictors of EfficacyCompletedNCT04098302Phase 2/3Results posted
• Testosterone Plus Finasteride Treatment After Spinal Cord InjuryTerminatedNCT02248701Phase 2Results posted
• Sexual Function in Men Receiving Dutasteride for Androgenetic AlopeciaCompletedNCT02014584Phase 3Results posted
• A Long-term Study to Determine Safety and Efficacy of Dutasteride in Male Subjects With Androgenetic AlopeciaCompletedNCT01831791Phase 3Results posted
• Prospective Sexual Function Study for BPH SubjectsCompletedNCT01777269Phase 4Results posted
• Dutasteride Treatment for the Reduction of Heavy Drinking in MenCompletedNCT01758523Phase 4Results posted
• Safety and Efficacy of 0.5mg Dutasteride and 0.4mg Tamsulosin Combination Once Daily for Six Months for Benign Prostatic HyperplasiaTerminatedNCT01673490Phase 4Results posted
• Finasteride for Chronic Central Serous ChorioretinopathyTerminatedNCT01585441Phase 2Results posted
• Comparison of Finasteride and Tamsulosin for Treatment of Benign Prostatic Hyperplasia (BPH) (MK-0906A-149 AM2)TerminatedNCT01534351Phase 3Results posted
• Abiraterone Acetate Combined With Dutasteride for Metastatic Castrate Resistant Prostate CancerCompletedNCT01393730Phase 2Results posted
• Feasibility of Hormones and Radiation for Intermediate or High Risk Prostate CancerActive, not recruitingNCT01342367Not applicableResults posted
• 3 Month Finasteride Challenge Test Can Significantly Improve the Performance of Screening for Prostate CancerCompletedNCT01296672Phase 4Results posted
• Dutasteride for the Reduction of Alcohol Use in Male DrinkersCompletedNCT01262287Phase 4Results posted
• Dutasteride Versus Placebo and Finasteride in Men With Androgenetic AlopeciaCompletedNCT01231607Phase 3Results posted
• Extension Study for the Evaluation of Finasteride in the Treatment of Chronic Central Serous ChorioretinopathyCompletedNCT01227993Phase 1/2Results posted
• Role of Dutasteride in Patients Undergoing 3D Mapping Biopsy in Early Stage Prostate CancerTerminatedNCT00985738Phase 2Results posted
• Ketoconazole, Hydrocortisone, Dutasteride and Lapatinib (KHAD-L) in Prostate CancerTerminatedNCT00953576Phase 1/2Results posted
• Oral T7 Oral Testosterone in ManCompletedNCT00842751Phase 2Results posted
• Pilot Study for the Evaluation of Finasteride in the Treatment of Chronic Central Serous ChorioretinopathyCompletedNCT00837252Phase 1/2Results posted
• Finasteride 5 mg Tablets, Non-fastingCompletedNCT00835796Phase 1Results posted
• Finasteride 5 mg Tablets Under Fasting ConditionsCompletedNCT00835666Phase 1Results posted
• Selenomethionine and Finasteride Before Surgery or Radiation Therapy in Treating Patients With Stage I or Stage II Prostate CancerCompletedNCT00736645Phase 2Results posted
• Pharmacogenetics of Alcohol: Treatment ImplicationsCompletedNCT00734656Not applicableResults posted
• MRI and Magnetic Resonance Spectroscopy Imaging in Patients Receiving Dutasteride for Benign Prostatic Hypertrophy and Low-Risk Prostate CancerCompletedNCT00706966Not applicableResults posted
• Ketoconazole, Hydrocortisone and Dutasteride in Asymptomatic Hormone Refractory Prostate CancerCompletedNCT00673127Phase 2Results posted
• Effect of Dutasteride on Androgen-Response Gene Expression in Patients With Advanced Prostate CancerCompletedNCT00668642Phase 2Results posted
• ARTS - AVODART After Radical Therapy For Prostate Cancer StudyCompletedNCT00558363Phase 2Results posted
• Dutasteride 0.5mg For The Treatment Of Chinese Patients With Benign Prostatic Hyperplasia (BPH)CompletedNCT00527605Phase 3Results posted
• PROS-1-Male Hormonal Contraceptive Regimens on Prostate TissueCompletedNCT00490555Phase 2/3Results posted
• 5-Alpha Reductase and Anabolic Effects of TestosteroneCompletedNCT00475501Phase 2Results posted
• Prostate Cancer Study In Men Who Have Failed First-Line Androgen Deprivation TherapyCompletedNCT00470834Phase 4Results posted
• Finasteride in Treating Patients With Stage II Prostate Cancer Who Are Undergoing SurgeryCompletedNCT00438464Phase 2Results posted
• A Clinical Trial Comparing Laser TURP With and Without Dutasteride.TerminatedNCT00431626Phase 3Results posted
• Dutasteride (GI198745) In Benign Prostatic Hyperplasia SubjectsCompletedNCT00368979Phase 3Results posted
• Assessment Of Dutasteride (AVODART) In Extending The Time To Progression Of Low-Risk, Localized Prostate Cancer In MenCompletedNCT00363311Phase 4Results posted
• Dutasteride to Treat Spinal and Bulbar Muscular Atrophy (SBMA)CompletedNCT00303446Phase 2Results posted
• Maximal Suppression of the Androgen Axis in Clinically Localized Prostate CancerCompletedNCT00298155Phase 2Results posted
• TRADE-Testosterone Replacement and Dutasteride EffectivenessCompletedNCT00194675Phase 4Results posted
• Benign Prostatic Hyperplasia Trial With Dutasteride And Tamsulosin Combination TreatmentCompletedNCT00090103Phase 3Results posted
• "REDUCE" - A Clinical Research Study To Reduce The Incidence Of Prostate Cancer In Men Who Are At Increased RiskCompletedNCT00056407Phase 3Results posted
• Study to Evaluate the Drug-drug Interaction Between IY001 and IY002 in Healthy Adult Male Subjects.CompletedNCT07322991Phase 1
• Clinical Trial to Evaluate CG2001 in Chinese Adult Male Participants With Androgenetic AlopeciaCompletedNCT07076706Phase 2
• Finasteride and Flutamide in Pre-surgical Trial in Prostate Cancer.CompletedNCT06601205Phase 2/3
• Clinical Trial of Safety and Efficacy of Daily Application of Topical Dutasteride in Men With Androgenic Alopecia.CompletedNCT05599243Phase 2
• The Effect of Pre-operative Use of Finasteride Versus Cyproterone Acetate on Blood Loss With Transurethral Resection of ProstateCompletedNCT04848181Early Phase 1
• REZŪM vs. Dual Drug Therapy for Symptomatic Benign Prostatic Hyperplasia in Sexually Active MenActive, not recruitingNCT04838769Not applicable
• Role of Dutasteride in Treatment of Chronic ProstatitisCompletedNCT04756206Phase 2/3
• EAT-DUTA AndroCoV TrialCompletedNCT04729491Phase 2/3
• Effects of Testosterone Plus Dutasteride or Placebo on Muscle Strength, Body Composition and Metabolism in TransmenCompletedNCT04545450Phase 3
• 5-Alpha Reductase 2 as a Marker of Resistance to 5ARI TherapyActive, not recruitingNCT04288427Not applicable
• A Study to Investigate the Pharmacokinetic Drug Interactions Between Dutasteride and Tadalafil in Healthy Male SubjectsCompletedNCT02839122Phase 1
• Photosensitization Study in Androgenetic AlopeciaCompletedNCT02791243Phase 1
• H-36731: Finasteride in Management of Elevated Red Blood CellsWithdrawnNCT02548117Phase 3
• Finasteride Treatment of Severe Nodulocystic AcneCompletedNCT02502669Phase 2
• The Use of 5mg Finasteride Versus 200mg Spironolactone and Topical 5% Minoxidil in Treating Postmenopausal Female Androgenetic AlopeciaWithdrawnNCT02483195Phase 4
• A Phase II Neoadjuvant Study of Enzalutamide, Abiraterone Acetate, Dutasteride and Degarelix in Men With Localized Prostate Cancer Pre-prostatectomyWithdrawnNCT02159690Phase 2
• ITT-5 Mechanisms of Spermatogenesis in ManWithdrawnNCT02147964Phase 2
• A Phase 2 Study of Bicalutamide Plus Finasteride in Men With MRI Detectable Prostate Nodules Undergoing Active SurveillanceWithdrawnNCT02146937Phase 2
• Neoadjuvant Finasteride for Patients With Non-small Cell Lung CancerTerminatedNCT02055170Phase 2
• This Will be an Open-label, Three-period, Fixed-sequence Study to Evaluate the Drug-drug Interaction, Pharmacokinetics and Safety of Dutasteride and Tamsulosin When Administered Alone and In-combination in Chinese Healthy Male Volunteers. The Study Will Last Approximately Eleven Weeks. Blood SamplesCompletedNCT01957189Phase 1
• Safety and Pharmacokinetic Interaction Study of Tadalafil and DutasterideCompletedNCT01942551Phase 1
• Bioequivalence Study of Dutasteride Five 0.1 mg and One 0.5 mg Soft Gelatin Capsules in Healthy Male VolunteersCompletedNCT01929330Phase 1
• Finasteride, Dutasteride and Insulin ActionStatus unknownNCT01923090Phase 2
• Advanced Benefits of Alpha-blocker Monotherapy on Lower Urinary Tracts Symptoms(LUTS) PatientsStatus unknownNCT01736033Phase 4
• Bioequivalence - Duodart Against Avodart & OmnicCompletedNCT01657851Phase 1
• Molecular Mechanisms of Dutasteride and Dietary Interventions to Prevent Prostate Cancer and Reduce Its ProgressionActive, not recruitingNCT01653925Not applicable
• Study to Compare the Bioavailability of Dutasteride Novel Formulation Form to the Soft Gel Capsule Form in Healthy Male SubjectsCompletedNCT01577693Phase 1
• A Study Assessing a Range of Formulations of the Fixed Dose Combination Product Containing Dutasteride (0.5mg) and Tamsulosin Hydrochloride (0.2mg) to Find a Formulation Which is Bioequivalent to Harnal-D Tablets (Tamsulosin Hydrochloride, 0.2mg) in Healthy Male Subjects From North East AsiaCompletedNCT01495026Phase 1
• Bioavailability of Two Combination Products of Dutasteride (0.5mg) and Tamsulosin Hydrochloride (0.2mg) in Asian Males.CompletedNCT01471678Phase 1
• Bioequivalence Study of Two Finasteride 5 mg Tablet Formulations Under Non-Fasting ConditionsCompletedNCT01264302Phase 1
• Bioequivalence Study of Finasteride 5 mg Tablet Formulations Under Fasting ConditionsCompletedNCT01264289Phase 1
• Dutasteride in Treating Patients With Prostate CancerStatus unknownNCT01193855Phase 2
• High Risk Prostate Cancer Prevention StudyCompletedNCT01174953Not applicable
• Bioequivalence Study of Dr.Reddy's Laboratories Limited Finasteride Tablets 1 mg Under Fed ConditionCompletedNCT01133457Phase 1
• Bioequivalence Study of Dr. Reddy's Laboratories Limited, Finasteride Tablets 1 mg Under Fasting ConditionCompletedNCT01133444Phase 1
• Sex Steroids and the Serotonin TransporterCompletedNCT01065220Phase 4
• Association of Polymorphisms in the Androgen Receptor Gene and Finasteride Response in Women With Androgenetic AlopeciaCompletedNCT01052870Phase 1
• Metabolic Effects of Steroids in Obese MenStatus unknownNCT00983554Not applicable
• Extension Study of GI198745 to Treat Benign Prostatic HyperplasiaCompletedNCT00969072Phase 2
• Effect of Dutasteride on HIF-1alpha and VEGF in the ProstateCompletedNCT00880672Phase 4
• A Relative Bioavailability Study of Finasteride 5 mg Tablets Under Fed ConditionsCompletedNCT00871247Phase 1
• A Relative Bioavailability Study of Finasteride 5 mg Tablets Under Fasting ConditionsCompletedNCT00870480Phase 1
• Effect of Dutasteride on Bladder Wall Hypertrophy in Patients With Benign Prostatic ObstructionCompletedNCT00827814Phase 4
• Study Assessing The Efficacy And Safety Of Avodart (Dutasteride) At Improving Urinary Symptoms In Men With Prostate Cancer Who Are Undergoing Seed ImplantationCompletedNCT00805701Phase 4
• Pharmacokinetic Study of Single Dose Dutasteride in Healthy SubjectsCompletedNCT00802321Not applicable
• Prevention of Prostate Cancer With Dutasteride in Case of High Grade PIN NeoplasiaCompletedNCT00780754Phase 3
• Efficacy Study for Use of Dutasteride (Avodart) With Testosterone ReplacementCompletedNCT00752869Phase 4
• A Study to Determine the Improvement of the Symptoms of Benign Prostatic Hyperplasia (BPH) When Switching Subjects From Proscar to AvodartStatus unknownNCT00690950Phase 4
• Treatment of Refractory Urinary Retention Secondary to Benign Prostatic Hyperplasia (BPH) With Dual Five Alpha Reductase Inhibition Combined With an Alpha BlockerCompletedNCT00680680Not applicable
• Fed Study of Finasteride Tablets 5 mg and Proscar® Tablets 5 mgCompletedNCT00650377Phase 1
• Fasting Study of Finasteride Tablets 5 mg and Proscar Tablets 5 mgCompletedNCT00648791Phase 1

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