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
- NCT06950203Recruiting
Fish oil supplement for sperm quality
This study tests whether a special fish oil supplement (EPAX EVOLVE 05) can improve sperm movement in men with low sperm motility. It may help if you have been told your sperm are not moving well and you are willing to take a sperm test.
OsloAges 18–55 - NCT07156084RecruitingPhase 4
HPV vaccine long-term effect study for young adults
This study checks if one dose of the 9-valent HPV vaccine given at ages 9-11 still protects you 6 years later. It is for people who only had that single dose and no other HPV shots.
Québec, QuebecAges 15–17 - 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 - NCT06370923Recruiting
Using male peer networks for HIV prevention
This study tests if working with groups of male friends can help men better engage with HIV prevention services. It aims to find new ways to reach men who may not otherwise seek prevention tools.
Mutare, Manicaland ProvinceAges 18 years+ - NCT04460872RecruitingPhase 2
Testosterone plus walking training to support bones and muscles
This Phase 2 study tests whether testosterone therapy combined with walking training can improve bone and muscle health after a spinal cord injury. It aims to help men with low testosterone and walking problems by improving strength, body composition, and related health markers.
Gainesville, FloridaAges 18 years+ - NCT06960746Recruiting
Lifestyle change for sleep apnea, metabolic syndrome, and impotence
This trial tests whether changing your lifestyle can help men with sleep apnea, metabolic syndrome, and erectile dysfunction. It studies how improving diet and exercise might improve these conditions together.
Giza, DokkiAges 40–50 - NCT07140237RecruitingEarly Phase 1
Can oxytocin improve attention?
This study tests if taking oxytocin (or a drug that blocks it) affects how well you pay attention. It helps researchers understand the role of oxytocin in focusing the mind.
Chengdu, SichuanAges 18–35 - NCT07144527Recruiting
NMN supplement for exercise in healthy older adults
This trial tests whether a supplement called nicotinamide mononucleotide (NMN) can help healthy adults aged 60 to 80 improve their exercise tolerance. You'll take the supplement and do supervised cycling sessions to see if it boosts your stamina.
Beverly Hills, CaliforniaAges 60–80 - NCT06956287Recruiting
New sperm-wash device for infertility couples
This trial tests a new device that cleans sperm before it's used in intrauterine insemination (IUI), a common fertility treatment. It aims to see if this device improves sperm quality and pregnancy chances for couples struggling with infertility.
Taichung, Taichung CityAges 25–50 - NCT07131384Recruiting
Nitrate supplement and metformin for prediabetes
This trial tests whether adding a nitrate supplement to metformin helps people with prediabetes. It looks at how the two treatments interact, especially when you start exercising. The study might help you if you have prediabetes, are between 18 and 60 years old, and don't exercise much.
Charlottesville, VirginiaAges 18–60 - NCT06967883Recruiting
Neck muscles and balance study in men with ankylosing spondylitis
This study uses ultrasound to look at neck muscles and balance in men with ankylosing spondylitis. It may help understand how the condition affects the neck and stability.
Istanbul, BahcelievlerAges 18–65 - NCT07096414Recruiting
Vitamin D3 and brain waves in men with epilepsy and low vitamin D
This trial tests whether taking vitamin D3 supplements changes brain wave activity in men with epilepsy who also have low vitamin D levels. It aims to see if vitamin D could help improve brain function.
Dhaka, Shahbag, DhakaAges 20–40 - NCT07096336Recruiting
Vitamin D3 and brain waves in Parkinson's study
This study tests whether taking vitamin D3 can improve brain wave patterns in men with Parkinson's disease who have low vitamin D levels. It may help understand if vitamin D supports brain health.
Dhaka, ShahbagAges 51–70 - NCT07080905RecruitingPhase 3
Gene therapy study for teens with severe hemophilia B
This study tests a one-time gene therapy (CSL222) for teenage boys with severe or moderately severe hemophilia B. It aims to help their bodies produce the clotting factor they need, potentially reducing or eliminating the need for regular factor infusions.
Orange, CaliforniaAges 11.5 years–17.2 years - NCT07085598Recruiting
Vitamin D3 for heart nerve health in men with epilepsy
This study tests whether taking vitamin D3 supplements can improve how well the nerves controlling your heart work in men with epilepsy who have low vitamin D levels. If you have low vitamin D from taking certain epilepsy medicines, this trial may help understand if vitamin D can support your heart health.
Dhaka, ShahbagAges 20–40 - NCT07084597Recruiting
Vitamin D3 for Heart Health in Parkinson's Men
This study tests whether taking vitamin D3 supplements can improve the nerve function that controls your heartbeat in men with Parkinson's disease who have low vitamin D levels. If you have mild to moderate Parkinson's and are on levodopa, this trial may help understand if vitamin D can support your heart health.
Dhaka, ShahbagAges 51–70 - NCT07061145Recruiting
TKI treatment and erectile dysfunction in men with CML
This study looks at whether tyrosine kinase inhibitors (TKIs), a common treatment for chronic myeloid leukemia (CML), are linked to erectile dysfunction in men. It aims to help patients and doctors understand possible side effects.
Reggio Emilia, REAges 18–75 - NCT07064148Enrolling by invitation
Self-massage for better golf performance
This study tests if a self-massage technique, called self-myofascial release, can improve physical fitness and swing performance in male college golfers. It may help you understand how to use simple exercises to enhance your game.
Haikou, HainanAges 18–25 - NCT07052929RecruitingPhase 1/Phase 2
Gene therapy study for young boys with XLMTM on ventilators
This study tests a new gene therapy called ASP2957 in young boys with X-linked myotubular myopathy who are dependent on a ventilator. The goal is to see if it can help improve their breathing and muscle strength.
Chicago, IllinoisAges Up to 3 years - NCT07052955Recruiting
Health riddles for less fear and pain in circumcised children
This study tests whether answering health riddles can help reduce fear, anxiety, and pain in children ages 4 to 6 getting circumcised. The goal is to make the experience less stressful for your child.
Gümüşhane, CenterAges 4–6 - NCT06992986Recruiting
Urine Bacteria in Bladder Cancer vs. Other Conditions
This study compares the bacteria in urine of men with bladder cancer to those with other urinary issues and healthy men. For bladder cancer patients, it looks at differences before a planned surgery to remove the bladder.
RomeAges 50–70 - NCT04740541Recruiting
Diet study for adult men with Crohn’s disease
This study looks at how a specific amino-acid (threonine) diet affects adults with Crohn’s disease and signs of intestinal inflammation. It may help researchers understand what dietary protein needs could support more stable disease.
Toronto, OntarioAges 18–49 - NCT07013773RecruitingPhase 1
How food affects Y-4 tablets in healthy people
This study tests how food affects the way a new medicine (Y-4 tablet) is processed in the body. It is looking for healthy volunteers to take a single dose of the study drug and have their blood levels checked over time.
Beijing, Beijing MunicipalityAges 18–45 - NCT06984263Recruiting
Male Lichen Sclerosus: Causes, treatments, and quality of life
This study looks at what causes lichen sclerosus in men, how different treatments work, and how the condition affects daily life. If you have lichen sclerosus or are a man without it, you might help researchers learn more.
UmeåAges 18 years+
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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.