Clinical trials
Male clinical trials
Below are recruiting male clinical trials, each written for real people, not researchers. We’re tracking 233 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06786663Recruiting
Male breast cancer organoids study
This trial studies tumor samples from men with breast cancer to grow mini tumors (organoids) in the lab. The goal is to better understand male breast cancer and find personalized treatments.
RomeAges 18 years+ - NCT06841861RecruitingPhase 1/Phase 2
Testicular organoid study for male fertility
This trial uses tiny lab-grown testicles to study sperm production. It may help men with infertility learn more about why they can't make sperm.
San Francisco, CaliforniaAges 18–60 - NCT06880302Recruiting
Male infertility research for sperm and tissue samples
This trial collects sperm, semen, and testicular tissue samples from men undergoing fertility treatments to build a biobank for research. If you are providing such samples for freezing, you can help advance understanding of male infertility.
Basking Ridge, New JerseyAges Any age - NCT07156916RecruitingPhase 1
Tamsulosin tablet comparison study in healthy men
This trial tests how a new tamsulosin tablet (used for prostate problems) compares to the standard drug in healthy men. You will take one dose and have blood samples taken to measure the drug levels.
Yerevan, Ankuk RegionAges 18–45 - NCT07299955RecruitingPhase 1
Testing a new Herceptin shot in healthy men
This trial tests a new version of the breast cancer drug Herceptin (called Bmab3000) given as a single shot under the skin. It looks at how the drug moves through the body, its safety, and how the immune system responds, in healthy volunteers.
Christchurch, Main Building: 264 Antigua Street,Ages 18–65 - NCT07345455Recruiting
Probiotics for improving sperm quality in male infertility
This trial tests whether taking probiotics can improve sperm quality in men with unexplained infertility. It may help if you have low sperm count, low motility, or abnormal shape.
New Taipei CityAges 20–45 - NCT07393334RecruitingPhase 2
Male birth control pill trial
This trial tests a new non-hormonal male contraceptive pill called NLS-133. It is taken just before sex and could help give men more control over family planning.
Seattle, WashingtonAges 18–55 - NCT02395497RecruitingPhase 2/Phase 3
Penile transplant trial using immune-suppressing medicines
This study tests whether a donated penis can be successfully transplanted using medicines that calm the immune system to prevent rejection. It also looks at safety and recovery of function in men with severe penile loss from injury, cancer surgery, or birth conditions.
Baltimore, MarylandAges 18–69 - NCT07529288Recruiting
Traditional medicine approaches for male infertility
This study explores how traditional medicine may help treat a specific type of male infertility where sperm count is low, movement is poor, and shape is abnormal. Researchers will evaluate whether traditional medicine approaches can improve these sperm problems.
Ho Chi Minh City, Ho Chi Minh CityAges 18–60 - NCT07549919RecruitingPhase 1
Food Effects on a New Experimental Drug in Healthy Men
This study tests how food affects how the body absorbs and processes a new experimental drug called AJ201. Researchers will give the drug to healthy men with and without food to see if it makes a difference, and they'll check for any side effects.
Los Alamitos, CaliforniaAges 18–55 - NCT07561203Recruiting
Collavant supplement for runner's knee discomfort
This study tests whether Collavant®, a collagen-based supplement, reduces knee pain in amateur runners aged 40–65 who experience discomfort during or after training. You'll take the supplement for 24 weeks while continuing to run and track your symptoms.
Madrid, MadridAges 40–65 - NCT07612956Recruiting
High-altitude training effects on teenage rowers' performance
This study tests whether training at high altitude for 4 weeks helps teenage male rowers improve their sport performance, fitness, and heart and lung health. Researchers will measure changes in body composition, rowing ability, and how well your heart and lungs work.
Macao, MacaoAges 12–19 - NCT07265908Enrolling by invitation
Biobank study for gynecological and fertility conditions
This trial creates a biobank of samples from people with gynecological issues, infertility, or pregnancy problems. It aims to help researchers better understand these conditions and develop future treatments.
Milan, MilanAges Any age - NCT06991556RecruitingPhase 2
Testing JSB462 plus abiraterone for advanced prostate cancer
This trial tests a new drug called JSB462 combined with abiraterone in men with prostate cancer that has spread to other parts of the body and is still responding to hormone therapy. The goal is to see if this combination works better than current treatments.
La Jolla, CaliforniaAges 18 years+ - NCT07767162Recruiting
Study of natural chemicals in whole grains and corn
This study looks at how natural chemicals in whole grains, especially corn, move through your body. It aims to understand the health benefits of these compounds, which could help improve nutrition.
Kannapolis, North CarolinaAges 25–70 - NCT01467869Recruiting
Male fertility study for men with spinal cord injury
This study looks at fertility (the ability to father a child) in men who have a spinal cord injury. It compares them with healthy men to understand how spinal cord injury may affect fertility.
Miami, FloridaAges 18–50 - NCT07313332Recruiting
Strength and interval training before cancer treatment
This study tests whether a mix of resistance (strength) training and high-intensity interval training (short bursts of hard exercise) can help people get stronger and healthier before starting cancer treatment. It takes place at Royal Derby Hospital and requires a commitment to attend about 8 sessions.
Derby, DerbyshireAges 18 years+ - NCT06255782RecruitingPhase 3
Gene therapy study for baby boys with severe OTC deficiency
This trial tests a gene therapy called ECUR-506 for baby boys under 9 months old with a severe form of OTC deficiency. The goal is to see if it can help their bodies process ammonia better, reducing the need for a strict protein-restricted diet and medications.
Los Angeles, CaliforniaAges 1 day–7 months - NCT07160634RecruitingPhase 3
Gene therapy for ambulant males with Duchenne muscular dystrophy
This trial tests a new gene therapy called SGT-003 in boys and men with Duchenne muscular dystrophy who are still able to walk. The treatment aims to deliver a working version of the dystrophin gene to help muscle cells produce the protein they are missing.
Little Rock, ArkansasAges 7–11 - NCT07763002Recruiting
Breathing muscle training for elite male volleyball players
This trial tests a breathing muscle exercise to see if it can improve performance in elite volleyball players. It looks at how this training affects breathing and athletic ability.
Ankara, AnkaraAges 18–25 - NCT07760597Recruiting
Exercise frequency for muscle growth in young adults
This study compares exercising two times per week versus ten times per week for 10 weeks to see which helps build bigger, stronger muscles. Participation requires 10 weeks of supervised training sessions plus one week of testing before and after.
Vancouver, British ColumbiaAges 19–39 - NCT06511141Recruiting
Nerve stimulation for men with overactive bladder
This study tests a nerve stimulation device placed near the tailbone to help men with overactive bladder symptoms. If you have bothersome urinary urgency or frequency, this treatment may offer relief without drugs.
Birmingham, AlabamaAges 18 years+ - NCT07761546Enrolling by invitation
Ai-test: microbiome nutrition for low testosterone
This study tests whether a special diet can improve symptoms of low testosterone in men. It is intended to help men with certain symptoms like a low sex drive or trouble having erections and whose blood tests show low to borderline testosterone levels.
AydinAges 30–65 - NCT07508124RecruitingPhase 4
Steroid cream to prevent repeat UTIs in uncircumcised baby boys
This study tests if a steroid cream applied to the foreskin can help prevent another urinary tract infection (UTI) in uncircumcised baby boys under 6 months old who have already had one confirmed UTI.
Houston, TexasAges birth–5 months
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Common questions
- Are there clinical trials for male?
- Yes. Clin2 currently lists 233 recruiting male studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a male trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a male trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.