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
- NCT03396562Recruiting
Study of early development in babies with extra sex chromosomes
This study follows infants and young children with conditions caused by having an extra sex chromosome (like XXY, XYY, or XXX) to learn how health and development unfold over time. It may help families and doctors understand what to expect and what support could be helpful.
Aurora, ColoradoAges 1 month–1.1 years - NCT07846371Recruiting
Dietary supplement to lower PFAS levels in firefighters
This trial tests whether a daily dietary supplement can reduce levels of PFAS chemicals in the blood. If you are a male firefighter with past exposure to PFAS, this study might help you lower these chemicals.
Chicago, IllinoisAges 18 years+ - NCT07829237Recruiting
Fuel use during exercise in fit adults
This study looks at how your body uses fuel (carbohydrates and fats) during exercise, and whether that is different in males and females. If you are a healthy, active adult who regularly exercises, this research could help you understand your own body's energy systems.
Toronto, OntarioAges 18–35 - NCT07819435RecruitingPhase 2/Phase 3
Topical treatment for male pattern hair loss
This study tests an investigational topical medication called PP405 for male pattern hair loss. It aims to see if the treatment is safe and effective for regrowing hair in men with moderate balding.
Birmingham, AlabamaAges 18–55 - NCT07813468RecruitingPhase 1
Cetuximab injection study in healthy men
This study tests a new version of the cancer drug cetuximab to see how it compares to the approved version (Erbitux) in healthy men. It helps ensure the new version works the same way in the body.
Haikou, HainanAges 18–46 - NCT07814235Recruiting
Freezing sperm as a way to protect quality as men age
This study is looking at whether freezing sperm can protect the quality of sperm as men age. If you join, you'll provide samples for research, and the findings could help men plan for future fertility.
Murcia, MurciaAges 18–65 - NCT07803068Recruiting
Ashwagandha supplement and weight training for strength and focus
This study tests whether taking ashwagandha, an herb often used for stress, for 12 weeks can boost strength, brain function, and stress resilience when combined with your regular weight training. It's for healthy, active men who already lift weights regularly.
Gdansk, Pomeranian VoivodeshipAges 25–40 - NCT07783958Recruiting
Sexual function and quality of life in polygamous versus monogamous marriages
This study looks at how being in a polygamous versus monogamous marriage affects sexual function and quality of life in Egyptian men. Participants will be asked to fill out an anonymous online questionnaire.
CairoAges 18 years+ - NCT06554925Recruiting
Sex differences in cardiac surgery patients
This study looks at how men and women may differ in their experiences and outcomes after heart surgery. It may help doctors provide better care for all patients.
Amsterdam, North HollandAges 18 years+ - NCT06197581Recruiting
Safety of Radiation with Modern Breast Cancer Drugs
This study checks if giving certain modern breast cancer drugs at the same time as radiation is safe. It's for women who need radiation and are also taking one of these drugs: capecitabine, a CDK4/6 inhibitor, a PARP inhibitor, immunotherapy, or a HER2 inhibitor.
Beijing, Beijing MunicipalityAges 18–70 - 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 - 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 - 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 - NCT06587477Recruiting
Fertility in Men Who Had Cancer as Children
This study examines testicular function and semen quality in men who were treated for cancer before age 18 and are now in remission. It aims to understand how childhood cancer treatments affect long-term fertility.
Hong KongAges 18–50 - NCT07744945Enrolling by invitation
External catheters for urine monitoring in the ICU
This study tests two types of external catheters (devices worn outside the body) to see how well they measure urine output in intensive care unit (ICU) patients. It may help avoid the need for a tube inserted into the bladder.
Murray, UtahAges 18 years+ - NCT07738991RecruitingPhase 1
Study of NKF-PEG compared to Neulasta in healthy men
This study tests a new medicine called NKF-PEG, which is similar to Neulasta (a drug that helps boost white blood cells after chemotherapy). It is being tested in healthy men to see how the body processes it and to check for side effects.
ZhengzhouAges 18–55 - NCT07716904Recruiting
Whey Protein and Adaptogen Supplement for Active Men
This study tests whether a whey protein drink with an adaptogen (ashwagandha) can help physically active men perform better and recover faster. You would keep your usual diet and exercise routine while taking the supplement.
Brighton, East SussexAges 18–45 - NCT07715201Recruiting
Amino acid drink for strength and recovery in active men
This study tests whether a special amino acid supplement helps trained men get stronger, perform better, and recover faster from workouts. You'll take the supplement daily and follow a 10-week supervised training program.
Toronto, OntarioAges 18–45 - NCT07715955Recruiting
Can probiotics help control appetite in adults with overweight or obesity?
This study tests whether taking probiotics can help regulate appetite in people who are overweight or have obesity. It aims to understand if these supplements can support weight management by affecting hunger and fullness signals.
Maastricht, LimburgAges 20–70 - NCT07722884Recruiting
Tamsulosin alone or with tadalafil for enlarged prostate symptoms
This study tests whether taking tadalafil (at 2.5 mg or 5 mg) along with tamsulosin is better for treating urinary symptoms caused by an enlarged prostate than taking tamsulosin alone. It aims to find the best dose combination to improve your quality of life.
Cairo, Cairo GovernorateAges 45 years+ - NCT07693244RecruitingPhase 2
Exosome therapy for male pattern baldness
This trial tests a new treatment using exosomes (tiny particles that help cells communicate) for male pattern baldness. It may help regrow hair or slow further loss.
BeijingAges 18–55 - NCT07692815Enrolling by invitation
Sex differences in response to strength training
This study looks at how men and women respond differently to resistance (strength) exercise. It may help you understand how your body adapts to training based on your sex.
Louvain-la-NeuveAges 18–40 - NCT06654505Recruiting
Postnatal care support from village health volunteers in Laos
This trial tests if male-female pairs of village health workers can help more women get postnatal care after childbirth in Laos. You may be able to join if you recently had a baby.
SavannakhetAges 15–49
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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.