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Find clinical trials for healthy volunteers – page 23

recruiting
132
countries
24
conditions
301

535 healthy volunteer trials match your criteria

Parkinson's disease

Not recruiting

Comparative Bioavailability of Inhaled Levodopa (Levodopa Cyclops) versus Inhaled Levodopa Powder with Carbidopa in Healthy Adults for Parkinson’s Disease

Registered drugNo placebo
Countries:BulgariaBulgaria
  • Participants:18–64 years · Healthy volunteers
  • Substances:Carbidopa

Androgenetic alopecia

Not recruiting

Bioavailability Study of Oral Minoxidil 1 mg Tablet Compared with Topical Minoxidil Solution in Healthy Volunteers with Androgenetic Alopecia

Registered drugNo placebo
Countries:SpainSpain
  • Participants:18–64 years · Healthy volunteers
  • Substances:Minoxidil

Asthma

Not recruiting

Comparison of montelukast 10 mg capsules and montelukast 10 mg film-coated tablets in healthy volunteers to evaluate how the medicine is absorbed.

Registered drugNo placebo
Countries:SpainSpain
  • Participants:18–64 years · Healthy volunteers
  • Substances:Montelukast

Phase 1 Study of REN001 Single‑Dose Pharmacokinetics in Adults with Normal, Mild, Moderate, or Severe Liver Impairment

InvestigationalNo placebo
Countries:HungaryHungary
  • Participants:18–64 years · 65+ years · Healthy volunteers

Diabetes mellitus

Not recruiting

Bioequivalence Study of Linagliptin 5 mg Film‑Coated Tablets in Healthy Volunteers for Diabetes Treatment

Registered drugNo placebo
Countries:SpainSpain
  • Participants:18–64 years · Healthy volunteers
  • Substances:Linagliptin

Parkinson's disease

Not recruiting

Safety and Tolerability of NT-0796, Nadroparin, and Lidocaine Hydrochloride in Healthy Volunteers and Patients with Parkinson’s Disease

Registered drugNo placebo
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years · Healthy volunteers
  • Substances:Nadroparin Calcium

Thrombosis

Not recruiting

A study to compare the absorption of apixaban capsules and apixaban tablets in healthy volunteers to prevent thrombosis.

Registered drugNo placebo
Countries:SpainSpain
  • Participants:18–64 years · Healthy volunteers
  • Substances:Apixaban

Pharmacokinetics and Safety of Single Oral Etrasimod Arginine in Healthy Adults for Ulcerative Colitis Using At-Home Tasso Sampling and Wearable Monitoring

InvestigationalNo placebo
Countries:BelgiumBelgium
  • Participants:18–64 years · 65+ years · Healthy volunteers
  • Substances:Etrasimod Arginine

Major depression

Not recruiting

A study to compare the safety of ketamine hydrochloride and esketamine in healthy men for the treatment of depression

Registered drug
Countries:GermanyGermany
  • Participants:18–64 years · Healthy volunteers
  • Substances:Esketamine Hydrochloride
Countries:FranceFrance
  • Participants:18–64 years · Healthy volunteers
  • Substances:Lavender Oil

Hypertension

Not recruiting

Interaction study of rosuvastatin with amlodipine, ramipril and heparin sodium in healthy adults

Registered drugNo placebo
Countries:CzechiaCzechia
  • Participants:18–64 years · Healthy volunteers
  • Substances:Amlodipine
Countries:PortugalPortugal
  • Participants:18–64 years · Healthy volunteers
  • Substances:Tofacitinib

About healthy volunteer clinical trials

Participate in Healthy Volunteer Clinical Trials in Europe

Clinical trials are a crucial part of developing new medications and therapies. Healthy volunteer clinical trials allow researchers to study the safety and effects of new treatments in people without chronic health conditions. These trials are most often early phase clinical trials, which are the first step in testing a new therapy in humans.

What Participation Involves

Anyone interested in volunteering must meet specific criteria: being healthy, adult, free from chronic illnesses or addictions, and not currently enrolled in another clinical trial. Participants provide informed consent, which explains all procedures, potential risks, and what to expect during the trial.

During the trial, participants receive full medical monitoring and access to diagnostic tests. In some trials, participants may receive compensation for their time, although in Europe, paid clinical trials for healthy volunteers are not standard and vary depending on the regulations and policies of the research site. Often, only travel costs and minor inconveniences are reimbursed.

Benefits of Participating

  • Support the advancement of medical research and new treatments.
  • Take part in human clinical trials and gain insight into the drug development process.
  • In some trials, receive financial compensation or reimbursement for travel.
  • Access modern medical care and diagnostic procedures.
  • Make a meaningful contribution to science and future patient care.

Finding Clinical Trials

Our website provides a searchable database to find healthy volunteer clinical trials across Europe. You can explore trials that match your location and schedule using the search tool above. By registering through our platform, you can apply directly and find trials suitable for you.

Participating in healthy volunteer clinical trials is a regulated and closely monitored way to contribute to scientific progress. While are paid clinical trials safe is a common question, all reputable trials in Europe are conducted under strict ethical oversight, ensuring participants are monitored by qualified medical staff at every stage.

Make Your Contribution Today

Joining a trial as a healthy volunteer lets you support the development of safe and effective therapies for the future. Use our search tool to explore available paid clinical trials for healthy volunteers and find the right trial for you. Your participation is valuable, monitored, and can make a real difference in medical research.

Clinical Trials Concierge

Prefer not to search? Our Concierge searches the trials for you.

Tell us about your condition – we search every trial in Europe and connect you with the right site.