[18F]-Fluoro-2-Deoxy-D-Glucose and -[18F] Dihydro-Testosterone Pet Imaging in Patients With Progressive Prostate or Salivary Gland Cancer
SponsorMemorial Sloan Kettering Cancer Center
Primary outcomeTo study the accumulation and biodistribution of FDHT in patients with progressive prostate cancer. The accumulation and location of FDHT activity will be assessed on a site by site basis and correlated with radionuclide bone scan, CT and MRI.
Prostate Cancer
Hair Cortisol and Testosterone Levels in Patients With and Without Acute Myocardial Infarction(MI)
SponsorMeir Medical Center
Primary outcomeComparison of hair cortisol and testosterone levels between the patients with acute MI and the 2 control groups
Acute Myocardial Infarction
Effect of Testosterone Pretreatment in POR
SponsorHanoi Medical University
Primary outcomeNumber of oocytes retrieved
Infertility
Testosterone Antidepressant Augmentation in Women
SponsorMassachusetts General Hospital
Primary outcomeDepressive Symptom Severity
Depression
Puberty, Testosterone, and Brain Development
SponsorUniversity of Colorado, Denver
Primary outcomeChange in headache burden
Gender IdentityGender Dysphoria in Adolescents and AdultsHeadacheTransgender
Testosterone Undecanoate and Quality of Life of Men and Spouses
SponsorMeir Medical Center
Primary outcomepatient and spouse satisfaction an quality of life
Hypogonadism
Study of Psychological and Motor Effects of Testosterone in Adolescents With XXY/Klinefelter Syndrome
SponsorUniversity of Colorado, Denver
Primary outcomeChange From Baseline on the Delis-Kaplan Executive Function System
Klinefelter SyndromeXXY Syndrome
The Role of Follicle Stimulating Hormone in Advanced Prostate Cancer
Primary outcomePSA-concentration
Prostate Cancer Recurrent
Perioperative Testosterone Replacement Therapy in Sarcopenic Male Colorectal Cancer Patients
SponsorLondon North West Healthcare NHS Trust
Primary outcomeNumber of days required for a patient to be recruited on the study and how many patients are recruited
Colorectal CancerSarcopeniaHypogonadism, MalePerioperative CareTestosterone Replacement Therapy
Efficacy and Tolerability of Testogel/Nebido in Combination With Exercise and Diet in Hypogonadal Male Patients
Primary outcomeWaist Circumference
Hypogonadism
Testosterone-induced Muscle Memory and Underlying Mechanisms
SponsorMorten Hostrup, PhD
Primary outcomeFiber cross-sectional area
Skeletal Muscle Physiology
The Effects of Anabolic Steroids and Protease Inhibitors on People Living With HIV/AIDS
SponsorQueen's University
Primary outcomedifferences in serum lipid levels
HIVAIDSLipodystrophyHyperlipidemia
Testosterone Undecanoate Replacement Therapy in Boys With Pubertal Delay or Confirmed Hypogonadism
SponsorHospital de Niños R. Gutierrez de Buenos Aires
Primary outcomeProgression in the development of secondary sexual characteristics
Delayed PubertyMale Hypogonadism
Androgen Effects in HIV-infected Women
SponsorMassachusetts General Hospital
Primary outcomeLean Body Mass
HIV Infection
Testosterone Replacement Therapy in Advanced Chronic Kidney Disease
SponsorPalo Alto Veterans Institute for Research
Primary outcomeThigh Cross Sectional Area
Kidney FailureKidney Diseases
A Pilot Study of Parenteral Testosterone and Oral Etoposide as Therapy for Men With Castration Resistant Prostate Cancer
SponsorSidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Primary outcomePercentage of Patients Completing at Least 3 Months of Therapy With a PSA Below Baseline.
Prostate Cancer
Testosterone Therapy for Pubertal Delay in Duchenne Muscular Dystrophy
SponsorNewcastle-upon-Tyne Hospitals NHS Trust
Primary outcomeTotal score in the Treatment Satisfaction Questionnaire for Medication (TSQM)
Duchenne Muscular Dystrophy
Diagnostic Relevance of Salivary Testosterone Concentrations in Doping Control.
SponsorParacelsus Medical University
Primary outcomeSalivary testosterone concentration
CircadianExerciseTestosterone
Testosterone and Lipolysis, Insulin Sensitivity and Protein Metabolism
SponsorUniversity of Aarhus
Primary outcomeTestosterone influence on Insulin Sensitivity, Lipolysis and protein metabolism
Hypogonadism
Effect of Transgender Therapy on Muscle, Fat and Tissue Receptors
SponsorSt. Louis University
Primary outcomeAndrogen receptor
Gender IncongruenceTransgenderism
Purification of Testis-Stimulating Factor in Precocious Puberty
SponsorNational Center for Research Resources (NCRR)
Precocious Puberty
Testosterone Gel in Preventing Weakness Caused by Steroid Therapy in Men With Glioma
SponsorSidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Primary outcomeTime to Event, Defined as ≥ 50% Loss of Strength in the Hip Flexors as Assessed by Dynamometry Peak Force Measures at Baseline and at 1, 3, 5, and 7 Months
Brain and Central Nervous System TumorsMusculoskeletal Complications
Testosterone Replacement Therapy for the Treatment of Low Testosterone in Hypogonadal Men With Localized Prostate Cancer on Active Surveillance
SponsorRoswell Park Cancer Institute
Primary outcomeGleason grade progression
Localized Prostate CarcinomaStage I Prostate Cancer AJCC v8Stage II Prostate Cancer AJCC v8Stage III Prostate Cancer AJCC v8
Testosterone Replacement in Older Men and Atherosclerosis Progression
SponsorBrigham and Women's Hospital
Primary outcomeChange From Baseline in Common Carotid Artery Intima-Media Thickness (IMT)
HypogonadismAtherosclerosis
The Role of 5-alpha Reductase in Mediating Testosterone Actions
SponsorEunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Primary outcomeChange from baseline in fat-free mass, measured by DEXA scanning
Healthy
Ambulatory Blood Pressure Monitoring (ABPM) Study in Hypogonadal Men
SponsorAzurity Pharmaceuticals
Primary outcomeNumber of participants with changes in 24-hour average systolic ambulatory blood pressure
Hypogonadism, Male
Testosterone Effects on Bone and Frailty
SponsorNational Institute on Aging (NIA)
Primary outcomeBone density and strength
AgingFrailtyOsteoporosis
Testosterone Replacement in Men With Diabetes and Obesity
SponsorUniversity at Buffalo
Primary outcomeInsulin Sensitivity
Hypogonadism
Effects of Medications in Patients With Hypogonadism
SponsorGulhane School of Medicine
Primary outcomeEffects of testosterone enanthate and testosterone gel on BMI, haemoglobin, haematocrit, urea creatinine, triglyceride, total testosterone (TT) and HDL-cholesterol were measured.
Idiopathic Hypogonadotropic Hypogonadism
Effects of Sex Steroids on the Serotonin System
SponsorMedical University of Vienna
Primary outcomeblood-to-brain clearance/trapping (K*) of [11C]AMT
Gender Dysphoria
Testosterone Replacement in Metabolic Syndrome and Inflammation
SponsorUniversity of Roma La Sapienza
Primary outcomeFat-Free Mass (kg)
HypogonadismMetabolic SyndromeObesityErectile Dysfunction
Androgen Effects on the Reproductive Neuroendocrine Axis, 2025 Version
SponsorUniversity of California, San Diego
Primary outcomeEvidence of Luteal Activity (ELA)
TransgenderismReproductive Issues
TESTO: Testosterone Effects on Short-Term Outcomes in Infants With XXY
SponsorUniversity of Colorado, Denver
Primary outcomeChange in Body Fat Percentage
Klinefelter Syndrome
Study on Effects of Testosterone Replacement Therapy in Hypogonadal Type 2 Diabetic Patients" (SETH2)
SponsorUniversity Medical Centre Ljubljana
Primary outcomeEffects of testosterone replacement therapy on glycemic control - fasting plasma glucose (FPG) mmol/l
Hypogonadism, MaleDiabetes Mellitus, Type 2Obesity
Physiological and Psychological Effects of Testosterone During Severe Energy Deficit and Recovery
SponsorPennington Biomedical Research Center
Primary outcomeBody Composition at the End of Each Study Phase
Caloric RestrictionExercise
The Effect of Testosteron Replacement Treatment on the Fibroblast Growth Factor-23, Asymmetric Dimethylarginine and Vitamin D Levels in the Congenital Hypogonadotropic Hypogonadism
SponsorGulhane School of Medicine
Primary outcomethe effect of testosteron replacement treatment on the Fibroblast Growth Factor-23.
Hypogonadism
Effect of Androgel on Type 2 Diabetic Males With Hypogonadism
SponsorUniversity at Buffalo
Primary outcomeEffect of Androgel Treatment on Relative Nuclear Factor kB Activity Compared to Placebo
Diabetes Mellitus Type 2
Neuroendocrine Dysfunction in Traumatic Brain Injury: Effects of Testosterone Therapy
Primary outcomeRestricted Functional Independence Measure (FIM)
Endocrine DysfunctionTraumaBrain Injury
The Therapy of Nebido as Mono or in Combination With PDE-5 Inhibitors in Hypogonadal Patients With Erectile Dysfunction
SponsorChulalongkorn University
Primary outcomeResponse of treatment for 4 injections at 1 year; score on an IIEF-5
HypogonadismErectile Dysfunction
Testosterone Replacement in Diabetes With Vascular Disease (Version 2)
Primary outcomeThe effect of testosterone replacement on arterial stiffness measured by ultrasound derived index B of the femoral artery in men with a combination of DM, PVD and hypogonadism.
Diabetes MellitusPeripheral Vascular Disease
Effect of Testosterone Replacement on Insulin Resistance
SponsorMcGuire Research Institute
Primary outcomeChange in insulin sensitivity as measured by HOMA-IR
Metabolic SyndromeHypogonadism
Influence of Testosterone Administration on Drug-Induced QT Interval Prolongation and Torsades de Pointes
SponsorIndiana University
Primary outcomeBaseline (Pre-ibutilide) Individualized Rate-corrected QT Interval (QTF)
Long QT Syndrome
Intranasal Delivery of Testosterone and Its Effect on Doping Markers
SponsorUniversity of Utah
Primary outcomeSteroid Levels in Urine Steroid Profile
Abuse of Anabolic Steroids
Androgen Effects on the Reproductive Neuroendocrine Axis
SponsorUniversity of California, San Diego
Primary outcomeEvidence of Luteal Activity (ELA)
TransgenderismReproductive Issues
The Testosterone Trials in Older Men
SponsorUniversity of Pennsylvania
Primary outcomeSexual Function Trial - Change in Psychosexual Daily Questionnaire Question 4 (PDQ-Q4) From Baseline to Month 12
Andropause
Study of Transdermal Testosterone Patches in Surgically Menopausal Women With Low Libido
Primary outcomeTo assess the efficacy of testosterone transdermal system (TS) as measured by the change from baseline in the frequency of total satisfying sexual activity captured by the Sexual Activity Log (SAL).
Hypoactive Sexual Desire Disorder
Efficacy and Safety of Testogel® in Men With Partial Androgen Deficiency of Aging Males (PADAM)
Primary outcomeLean body mass at 6 months
Androgens (Deficiency)Male
Safety and Efficacy Trial of Oral Testosterone Undecanoate (TU) in Hypogonadal Men
SponsorClarus Therapeutics, Inc.
Primary outcomePercentage of Treated Patients With Average Serum Testosterone (T) Concentrations (Cavg) Between 300 and 1000 ng/dL
Male Hypogonadism
Safety and Efficacy of Intranasal TBS-1 Treatment of Male Hypogonadism
SponsorAcerus Pharmaceuticals Corporation
Primary outcomeSerum Testosterone Cavg
Male Hypogonadism
Testosterone TRANSdermal Gel for Poor Ovarian Responders Trial
Primary outcomeClinical pregnancy
InfertilityPoor Ovarian Response
The Effect of IM Testosterone Undecanoate on Biochemical and Anthropometric Characteristics of Metabolic Syndrome in Hypogonadal Men
SponsorRussian Academy of Medical Sciences
Primary outcomewaist-to-hip ratio
Metabolic SyndromeHypogonadism
Testosterone in Treating Postmenopausal Patients With Arthralgia Caused by Adjuvant Aromatase Inhibitor Treatment
SponsorAlliance for Clinical Trials in Oncology
Primary outcomeChange in Item #3 (Average) of the Brief Pain Inventory (BPI) Average Pain From Baseline to Month 3
ArthralgiaBreast CancerHot FlashesMusculoskeletal ComplicationsSexual Dysfunction
A Clinical Trial to Evaluate the Efficacy and Safety of Testosterone Gel
SponsorFerring Pharmaceuticals
Primary outcomeThe Percentage of Subjects on Day 90 Whose Cavg (0-24) Serum Total Testosterone Levels Are Between 300 and 1050 ng/dL
Adult Male Hypogonadism
Testosterone Therapy in Men With Low Testosterone Levels and Metabolic Syndrome or Early Stages of Type 2 Diabetes
SponsorKarolinska Institutet
Primary outcomeInsulin sensitivity,
Metabolic Syndrome
A Clinical Trial to Evaluate the Efficacy and Safety of Testosterone Gel in Adult Hypogonadal Males
SponsorFerring Pharmaceuticals
Primary outcomeThe Percentage of Subjects Whose Average Concentration (Cave(0-24)) Serum Total Testosterone Levels Are ≥300 and ≤1050 ng/dL
Adult Male Hypogonadism
Low-Dose Testosterone in Improving Libido in Postmenopausal Female Cancer Survivors
SponsorAlliance for Clinical Trials in Oncology
Primary outcomeOverall mood
Cancer SurvivorSexual DysfunctionSexuality and Reproductive IssuesUnspecified Adult Solid Tumor, Protocol Specific
A Study of Fortigel Testosterone Gel 2% in Males With Low Testosterone
SponsorEndo USA Inc., a Keenova Therapeutics Company
Primary outcomePercentage of Participants Meeting Serum Total Testosterone Average Concentration (Cavg) Criteria at Day 90
Hypogonadism
Safety and Efficacy Trial of Testosterone Undecanoate
SponsorClarus Therapeutics, Inc.
Primary outcomePercentage of Treated Patients With an Average Serum Testosterone (T) Concentration (Cavg) Between 300 and 1000 ng/dL
Male Hypogonadism
Estradiol and Testosterone Subdermal Implants for Menopause Treatment (ESTIME)
SponsorUniversity of Sao Paulo General Hospital
Primary outcomeEvaluate hormonal, metabolic thromboembolic and clinical effects on climacteric symptoms
MenopauseTestosterone DeficiencyEstrogen Deficiency
A Randomized, Double Blind, Placebo-Controlled, Multi-Center Phase III Study in Men With Acquired Hypogonadotropic Hypogonadism to Compare Changes in Testosterone and Sperm Concentration Following Treatment With 12.5 mg or 25 mg Androxal or AndroGel 1.62%
SponsorRepros Therapeutics Inc.
Primary outcomeComparison of the proportion of subjects who meet the composite endpoint of normal 24-hour average testosterone and sperm concentration.
Secondary Hypogonadism
Assessment of Long Term Treatment With Testosterone Undecanoate in Males With Hypogonadism
Primary outcomeEfficacy and Safety of long term treatment with TU under real-life conditions
Hypogonadism
Optimizing Protein Intake in Older Americans With Mobility Limitations
SponsorBrigham and Women's Hospital
Primary outcomeChange in Lean Body Mass as Measured by Dual Energy X-ray Absorptiometry (DXA)
Mobility Limitation
Lifestyle Intervention and Testosterone Replacement in Obese Seniors
SponsorVA Office of Research and Development
Primary outcomeChange in the Physical Performance Test
Obesity and Hypogonadism
A Trial to Evaluate the Ongoing Skin Safety of Testosterone MD-Lotion Formulations
SponsorEli Lilly and Company
Primary outcomeChange From Baseline MTE08 to MTE09 Endpoint in Draize Score
Hypogonadism
The Effects of Semaglutide vs Testosterone Replacement Therapy on Functional Hypogonadism and Sperm Quality in Men With Type 2 Diabetes Mellitus and Obesity
SponsorUniversity Medical Centre Ljubljana
Primary outcomeChange in semen volume from baseline and between the treatment arms
Type 2 Diabetes MellitusObesityFunctional Hypogonadism
Effect of PROGRESSive Training and Teststerone in Older Frail Men
SponsorUniversity Hospital, Gentofte, Copenhagen
Primary outcomeStand-up-and Sit-test
Muscle Weakness
PROS-2 Dose Response Effects of Exogenous Testosterone on the Prostate
SponsorUniversity of Washington
Primary outcomeProstate Tissue DHT Concentrations After Treatment
Healthy
Androgen for Leydig Cell Proliferation
SponsorUniversity of Roma La Sapienza
Primary outcomeNodule Size per Number
Klinefelter SyndromeHypergonadotropic HypogonadismHypergonadotropic AzospermiaHypergonadotropic Cryptozoospermia
Does Human Skeletal Muscle Possess an Epigenetic Memory of Testosterone?
SponsorNorwegian School of Sport Sciences
Primary outcomeFat-free mass
Healthy AgingAge-Related SarcopeniaTestosterone Deficiency
Use of Topical Testosterone and Estrogen vs Estrogen Alone in Vulvodynia: a Randomized Controlled Trial
Primary outcomeTypical pain with vaginal penetration within last 2 weeks
VulvodyniaDyspareuniaLichen Sclerosus of Vulva
Study to Determine the Effects of Testosterone Replacement Therapy in Aging Men With Androgen Deficiency
SponsorLeonard S. Marks, M.D.
Men With Low Testosterone Levels
Use of Testosterone to Prevent Post-Surgical Muscle Loss - Pilot Study
SponsorThe Stone Research Foundation for Sports Medicine and Arthritis
Primary outcomeChange in MRI Cross Sectional Area of the Quadriceps
Muscle AtrophySurgeryKnee Injuries and DisordersComplication of Surgical ProcedureTrauma
Comparison of Estrogen and Methyltestosterone Combination Treatments for Postmenopausal Hot Flushes
SponsorSolvay Pharmaceuticals
Primary outcomeMean change in frequency of moderate to severe vasomotor symptoms (VMS) from baseline to Week 4
Hot Flushes, Menopause, Postmenopause
Effects of Andriol Testocaps in Symptomatic Late-Onset Hypogonadism (43203)
SponsorMerck Sharp & Dohme LLC
Primary outcomeChange from baseline on the total score of the AMS rating scale
HypogonadismAndrogens
The VO2 Increase With Testosterone Addition - Heart Failure (VITA-HF) Trial
SponsorUniversity of Alberta
Primary outcomeIn patients with chronic heart failure, does 26 weeks of treatment with transdermal testosterone improve peak VO2?
Heart Failure
Testosterone Revival Abolishes Negative Symptoms, Fosters Objective Response and Modulates Enzalutamide Resistance
SponsorSidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Primary outcomeProgression Free Survival as Measured by Number of Months Until Clinical or Radiographic Progression
Castration Resistant Metastatic Prostate Cancer
Lybridos in Pre- and Postmenopausal Women With Hypoactive Sexual Desire Disorder Due to Maladaptive Activation of Sexual Inhibitory Systems
SponsorEmotional Brain NY Inc.
Primary outcomeSatisfactory Sexual Episodes
Hypoactive Sexual Desire Disorder
Lybrido for Female Sexual Dysfunction
SponsorEmotional Brain NY Inc.
Primary outcomeThe number of satisfactory sexual encounters based on event questionnaires on active drug as compared to placebo during double-blind treatment period episodes in the domestic setting.
Hypoactive Sexual Desire Disorder
Pain Alleviation With Testosterone in Opioid-Induced Hypogonadism
SponsorBrigham and Women's Hospital
Primary outcomeChanges in scores in the Pain Interference Subscale of the Brief Pain Inventory (BPI) questionnaire
Opioid UsePainHypogonadism, Male
Sequential Testosterone and Enzalutamide Prevents Unfavorable Progression
SponsorSidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Primary outcomeClinical or Radiographic Progression free survival
Castration Resistant Metastatic Prostate Cancer
Sexual Effects of Transdermal or Vaginal Testosterone
SponsorUniversity of Sao Paulo General Hospital
Primary outcomeChanges in sexual disorders measured by FSFI (Female Sexual Function index) after 12 and 24 weeks of treatment
Female Sexual DysfunctionPostmenopausal SymptomsTestosterone DeficiencyTestosterone Adverse Reaction
HORMA: Hormonal Regulators of Muscle and Metabolism in Aging
SponsorNational Institute on Aging (NIA)
Primary outcomemeasures of fractional synthetic rates of mixed and contractile (actin and myosin heavy chain [MHC]) skeletal muscle proteins and degradation of skeletal muscle (ubiquitin, and proteasome sub-units)
SarcopeniaMuscle WeaknessFrailty
Testosterone and Weight Loss
Obesity in Men
Product Transference Study of Testagen™ TDS®-Testosterone
SponsorTransdermal Delivery Solutions Corp
Primary outcomeTransference of Topical Testosterone from Dosed Males to Female Partners As Measured by net change from Baseline of Serum Testosterone in nG/dL expressed as Maximum Serum Concentration or Cmax.
Hypogonadotropism
Effects of Testosterone Replacement on Pain Sensitivity and Pain Perception
Primary outcomeBrief Pain Inventory (BPI) at Week 14
PainHypogonadism
Multimodality Intervention for Function and Metabolism in SCI
SponsorBrigham and Women's Hospital
Primary outcomeChange From Baseline in VO2 Peak (L/Min) Achieved During Arm Ergometry Exercise Alone
Spinal Cord Injuries
Lybridos in Pre-and Postmenopausal Women With Hypoactive Sexual Desire Disorder
SponsorEmotional Brain NY Inc.
Primary outcomeThe primary endpoint is the number of satisfactory sexual episodes, measured using the Sexual Satisfaction of an Event Questionnaire (SSEQ).
Hypoactive Sexual Desire Disorder
A Study of Megestrol Acetate Alone or in Combination With Testosterone Enanthate Drug in the Treatment of HIV-Associated Weight Loss
SponsorNational Institute of Allergy and Infectious Diseases (NIAID)
HIV InfectionsHIV Wasting Syndrome
A Study of Ejaculatory Dysfunction in Men With Low Testosterone Levels
SponsorEli Lilly and Company
Primary outcomeChange From Baseline in the Male Sexual Health Questionnaire-Ejaculatory Dysfunction-Short Form (MSHQ-EjD-SF) Ejaculatory Function Score at 16 Weeks
Ejaculatory DysfunctionHypogonadism
Effectiveness of Testosterone Undecanoate to Improve Sexual Function in Postmenopausal Women
SponsorChulalongkorn University
Primary outcomefemale sexual function index score
Female Sexual Dysfunction
Testosterone and Physical Function in HIV+ Men
SponsorNational Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Primary outcomeStair climb
HIV Associate Weight Loss
The Effect of Testosterone Supplementation on Rehabilitation Outcomes
SponsorUS Department of Veterans Affairs
AgingFrail ElderlyRehabilitation
Randomized Phase II Trial of Targeted Radiation With no Castration for Mcrpc
SponsorVA Office of Research and Development
Primary outcome6-month radiographic progression-free survival (rPFS)
Prostate Cancer
Safety of Testosterone Undecanoate i.m. in Hypogonadal Men
SponsorUniversity Hospital Muenster
Primary outcomeProstate (size, PSA-level)
Hypogonadism
Phase II Randomized Study of Physiologic Testosterone Replacement in Premenopausal, HIV-Positive Women
SponsorCharles Drew University of Medicine and Science
HIV InfectionsCachexia
High Dose Testosterone for ATM, CDK12 or CHEK2 Altered Prostate Cancers
SponsorVA Office of Research and Development
Primary outcomePSA response
Metastatic Prostate Cancer
Difluoromethylornithine and High Dose Testosterone With Enzalutamide in Metastatic Castration-Resistant Prostate Cancer
SponsorSidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Primary outcomePSA response rate at Cycle 1 Day 64
Prostate Cancer
Study of Testosterone and Athlete Response
SponsorKarolinska University Hospital
Primary outcomeAerobic performance
Athletic PerformanceTestosteroneWomen's Health: Female Athlete/Female Athlete Triad
A Dose Ranging Study to Examine TDS-Testosterone 5%
SponsorTransdermal Delivery Solutions Corp
Primary outcomeDose Range Measure of serum levels of testosterone in response to varying doses
Hypogonadotropism
Testosterone and Alendronate in Hypogonadal Men
SponsorMassachusetts General Hospital
Primary outcomePercent Change in Spine Bone Density From Baseline to 12 Months
HypogonadismOsteopeniaOsteoporosis
Effects of Aromatase Inhibition Versus Testosterone in Older Men With Low Testosterone: Randomized-Controlled Trial.
SponsorNational Institute on Aging (NIA)
Primary outcomeEffect of Testosterone Gel vs. Anastrozole on Bone Mineral Density
HypogonadismDiabetesSarcopeniaOsteoporosisDepression
Phase II Study of Leuprolide and Testosterone for Men With Kennedy's Disease or Other Motor Neuron Disease
SponsorNational Center for Research Resources (NCRR)
Spinal Muscular AtrophyAmyotrophic Lateral SclerosisSpinobulbar Muscular Atrophy
Pharmacokinetics, Metabolism, Efficacy, and Safety Study of Two Testosterone Matrix Transdermal Systems
SponsorWatson Pharmaceuticals
Primary outcomePercent of Subjects With Testosterone Levels in the Normal Range.
Hypogonadism
Testosterone Replacement to Alleviate Pain in Postmenopausal Women (TRAPP Trial)
SponsorBrigham and Women's Hospital
Primary outcomePain Interference Subscale score of the Brief Pain Inventory (BPI) questionnaire
PainOpioid UseAndrogen DeficiencyBack Pain
Bipolar Androgen-based Therapy for Prostate Cancer (BAT)
SponsorSidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Primary outcomePatients With PSA <4 ng/mL at the End of the Study
Recurrent Prostate Cancer
CEP-1 Hormonal Regulation of Circulating Endothelial Progenitor Cells and HDL-C in Men
SponsorUniversity of Washington
Primary outcomeEndothelial Progenitor Cells
Healthy
An Open-Label Study of 50 Mg Oral Testosterone Undecanoate (Kyztrex) in Menopausal Women with Low Testosterone and HSDD
SponsorSan Diego Sexual Medicine
Primary outcomeTestosterone
Hypoactive Sexual Desire Disorder
Bipolar Androgen Therapy + Carboplatin in mCRPC
SponsorSt Vincent's Hospital, Sydney
Primary outcomePSA Response Rate
Castration-resistant Prostate CancerHomologous Recombination Deficiency
Efficacy of Testosterone Gel to Restore Normal Serum Values of Testosterone During the Acute Phase of Critical Illness in Adult ICU Patients
SponsorUniversity Hospital, Clermont-Ferrand
Primary outcomePourcentage of patients with normal median value of serum total testosterone
Hypermetabolism in ICULoss of Muscle MassFunctional Disability After ICUICU Acquired HypogonadismTreatment With Testosterone Gel in ICU
Pharmacokinetic Study of Oral Testosterone (T) Ester Formulations in Hypogonadal Men
SponsorClarus Therapeutics, Inc.
Primary outcomeSerum Testosterone Average Concentration (Cavg) (ng/dL)
Hypogonadism
Testosterone and Myocardial Perfusion in Coronary Heart Disease (CHD)
SponsorImperial College London
Primary outcomeMyocardial Perfusion
Coronary Heart Disease
Efficacy of an Intranasal Testosterone Product
SponsorAcerus Pharmaceuticals Corporation
Primary outcomeCmax of Serum Testosterone
Hypogonadism
Locomotor Training With Testosterone to Promote Bone and Muscle Health After Spinal Cord Injury
SponsorNorth Florida Foundation for Research and Education
Primary outcomechange in thigh muscle cross-sectional area
Spinal Cord InjurySpinal Cord InjuriesTrauma, Nervous SystemWounds and InjuryCentral Nervous System DiseasesSpinal Cord DiseasesGonadal DisordersEndocrine System DiseasesHypogonadismGenital Diseases, MaleSpinal Cord TraumaInjuries, Spinal CordWalking, DifficultyGait Disorders, NeurologicLocomotion Disorder, NeurologicWounds and InjuriesNervous System DiseasesTestosterone DeficiencyAndrogen DeficiencyHormone Deficiency
Efficacy, Pharmacokinetics and Safety of Testosterone
SponsorFerring Pharmaceuticals
Primary outcomeResponder Rate - the Percentage of Subjects Whose Minimum Concentration Observed (Cmin) and Average Steady State Concentration (Cave) of Serum Testosterone Levels Were Between 298 and 1043 ng/dL.
Testicular Hypogonadism
Study to Determine the Effect of Food on the Absorption of an Oral Testosterone Undecanoate Formulation
SponsorClarus Therapeutics, Inc.
Primary outcomeMean T Cavg25 Following Meals Containing Various Amounts of Dietary Fat Compared to Normal Fat Diet
Male Hypogonadism
Pharmacokinetic Study to Determine Time to Steady-state
SponsorClarus Therapeutics, Inc.
Primary outcomeSerum T Concentration at Steady State
Male HypogonadismPrimary HypogonadismSecondary Hypogonadism
Pilot Pharmacokinetic Study of Oral Testosterone Ester Formulations in Hypogonadal Men
SponsorClarus Therapeutics, Inc.
Primary outcomeMean Serum Testosterone Cavg
Hypogonadism
Deslorelin Combined With Low-Dose Add-Back Estradiol and Testosterone in Preventing Breast Cancer in Premenopausal Women Who Are at High Risk for This Disease
SponsorCity of Hope Medical Center
Primary outcomeTreatment effects and correlation of changes in morphometrics and biomarkers as assessed by mammogram and magnetic resonance image (MRI) densities on days 1 and 300
brca1 Mutation Carrierbrca2 Mutation CarrierBreast Cancer
Gonadal Dysfunction in Male Long-term Survivors of Malignant Lymphoma; Vitality
SponsorLars Møller Pedersen
Primary outcomeEffect of testosterone on QLQ C-30 score
Hypogonadism
Oral Testosterone for Fatigue in Male Multiple Sclerosis Patients
SponsorHealth Sciences Centre, Winnipeg, Manitoba
Primary outcomeChange in fatigue (measured with Modified Fatigue Impact Scale [M-FIS])
Multiple SclerosisFatigue
AIDS Wasting in Women: Anabolic Effects of Testosterone
SponsorNational Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
AIDS Wasting Syndrome
Effect of Testosterone Treatment on Embryo Quality
SponsorCenter for Human Reproduction
Primary outcomeClinical and Ongoing Pregnancy
Primary Ovarian InsufficiencyFemale Infertility Due to Diminished Ovarian Reserve
TRT as an Adjunctive ERAS Therapy in ESRD Patients Undergoing Kidney Transplantation
SponsorUniversity of California, Los Angeles
Primary outcomeAdverse Events
Hypogonadism, MaleEnd Stage Renal Disease (ESRD)Kidney Transplant
Manipulation of the Intratesticular Hormonal Milieu With Exogenous Testosterone (HOP 5) Testicular Aspiration Addendum
SponsorUniversity of Washington
Primary outcomeIntratesticular hormone levels
Contraception
Oral Androgens in Man-4: (Short Title: Oral T-4)
SponsorUniversity of Washington
Primary outcomeDutasteride can suppress the secretion of LH and FSH after four weeks of administration.
Contraception
Testosterone Replacement for Male Opioid Agonist Maintained Patients
Primary outcomeNumber of Participants Demonstrating Abstinence
Chronic PainOpioid AddictionSymptomatic Hypogonadism
Subcutaneous Testosterone Project
SponsorUniversity of British Columbia
Primary outcomeSerum Testosterone (Total)
Gender Dysphoria
Single-Dose Pharmacokinetics of Oral Testosterone Undecanoate With and Without Concomitant Inhibition of UGT2B17
SponsorUniversity of Washington
Primary outcomeaverage serum testosterone after dosing on day 2
Hypogonadism, Male
Phlebotomy Study of Testosterone Undecanoate
SponsorClarus Therapeutics, Inc.
Primary outcome% of Mean Difference in T Concentration Compared to Plain Collection Tube
Hypogonadism
Feasibility Study of Post-hospitalization Interventions to Improve Physical Function in Older Adults
SponsorThe University of Texas Medical Branch, Galveston
Primary outcomeShort Physical Performance Battery- Gait, Balance, Chair Rise changes in functional measure score
Aging
CYP19A1 (Cytochrome P450 Family 19 Subfamily A Member 1) Gene and Pharmacogenetics of Response to Testosterone Therapy
SponsorVA Office of Research and Development
Primary outcomePercent Change in Bone Mineral Density (BMD) According to rs700518 Polymorphism in the CYP19A1 Gene
Hypogonadism
Muscle Anabolic Interventions to Accelerate Recovery From Hospitalization in Geriatric Patients
SponsorThe University of Texas Medical Branch, Galveston
Primary outcomePhysical Performance
Aging
Testosterone Pellets Plus Vitamin D and E Versus Vitamin D and E Alone for the Treatment of Peyronie's Disease
SponsorMen's Health Boston
Primary outcomepenile curvature
Peyronie's Disease
Evaluate the Pharmacokinetics and Gonadotropin Suppression of Nestorone®-Testosterone (NES/T) Combination Gel in Men
Primary outcomeGonadotropin Suppression
Healthy
Steady-State Feedback Actions of Testosterone on Luteinizing Hormone Secretion in Young and Older Men
Primary outcomeLH and Testosterone levels will be evaluated after 4 study visits
Hypogonadism
A Study of Effect of Deodorant and Axillary Hair on Testosterone Absorption in Healthy Participants
SponsorEli Lilly and Company
Primary outcomePharmacokinetics: Area Under the Concentration Curve (AUC) of Testosterone
Healthy Participants
Testosterone for Treating Cachexia in Patients With Squamous Cell Carcinoma
SponsorThe University of Texas Medical Branch, Galveston
Primary outcomeChange in Total Lean Body Mass as Measured by Dual Energy X-ray Absorptiometry (DEXA) From Baseline to 7 Weeks.
CachexiaSquamous Cell Carcinoma
Study to Compare DITEST to Testosterone Undecanoate in Adult Men With Hypogonadism
SponsorNeurocrine UK Limited
Primary outcomeTestosterone serum concentrations - Peak Plasma Concentration (Cmax)
Male Hypogonadism
Testosterone Replacement in Renal Failure
SponsorTexas Tech University Health Sciences Center
Primary outcomeChange in dosage of Erythropoietin stimulating agents (ESA)
Hypogonadism
A Study to Evaluate a Skeletal-muscle Microbiopsy Technique With Dynamic Proteomic Measurement in Healthy Male Volunteers
Primary outcomeChange from Baseline in muscle derived protein synthesis rate
Cachexia
A Pharmacokinetic (PK) Study to Compare the Absorption of Two Formulations of Transdermal Testosterone Spray and Intrinsa®
Primary outcomeTo measure the amount of testosterone in the blood after dosing
Hypoactive Sexual Desire Disorder
Bipolar Androgen Therapy to Restore Sensitivity to Androgen Deprivation Therapy for Patients With Metastatic Castration Resistant Prostate Cancer
SponsorRoswell Park Cancer Institute
Primary outcomeAndrogen receptor (AR) activity
Castration-Resistant Prostate CarcinomaMetastatic Prostate CarcinomaStage IVB Prostate Cancer AJCC v8
ORAL T-8 Oral Testosterone for Male Hormonal Contraception
SponsorUniversity of Washington
Primary outcomeMaximum Testosterone Concentration
Healthy
Testosterone MD-Lotion Residual Washing Study
Primary outcomeThe amount of Testerone MD-Lotion 2% remaining on the axilla after a single dose application in healthy males who undergo a post dose washing procedure.
Hypergonadism
Evaluation of Testosterone Nasal Gel in Hypogonadal Boys
SponsorAcerus Biopharma Inc.
Primary outcomeMaximum plasma concentration (Cmax)
Hypogonadism
Steroid Profile: Differentiating Testosterone Administration From (Simultaneous) Ethanol Consumption
Primary outcomeChange in steroid profile in urine
Healthy Volunteers
Sex-Mismatched Allogeneic Bone Marrow Transplantation for Men With Metastatic Castration-Resistant Prostate Cancer
SponsorSidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Primary outcomeProstate-specific Antigen (PSA) Response
Prostate Cancer
[18F] Dihydro-testosterone Pet and MR Imaging In Patients With Localized Prostate Cancer
SponsorMemorial Sloan Kettering Cancer Center
Primary outcomeincrease in standardize uptake values (SUV) between the second and third FDHT scans
Prostate CancerLocalized Prostate Cancer
Testosterone in Treating Patients With Progressive Prostate Cancer That No Longer Responds to Hormone Therapy
SponsorMemorial Sloan Kettering Cancer Center
Prostate Cancer
Testosterone Therapy in Castration Resistant Prostate Cancer
SponsorUniversity of Colorado, Denver
Primary outcomeFeasibility of the Administration of Transdermal Testosterone Alternating with Enzalutamide
Prostate CancerCastration-Resistant Prostate Cancer
Mechanisms of Hypertension in Women With Polycystic Ovary Syndrome
Primary outcomeBaroreflex Response to LBNP
Polycystic Ovary SyndromeHypertension
The Influence of Testosterone on Experimental Pain Perception
SponsorUniversity of New Mexico
Primary outcomePain Tolerance
Acute Pain
Breast Cancer, Aromatase Inhibitor Therapy, and Sexual Functioning: The Effects of Vaginal Testosterone Therapy
SponsorCreighton University
Primary outcomeTotal Female Sexual Function Index (FSFI) Score
Breast CancerVaginal DrynessDyspareuniaSexual Health Quality of Life
Cycled Testosterone Therapy to Improve Physical Function in Frail Nursing Home Residents
SponsorThe University of Texas Medical Branch, Galveston
Primary outcomeChange in Fat-free Mass as Measured by Bioelectric Impediance Analysis (BIA)
Aging