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Find clinical trials for healthy volunteers

recruiting
131
countries
24
conditions
302

544 healthy volunteer trials match your criteria

Contraception+1

Recruiting

Contraceptive efficacy, safety and tolerability of drospirenone 4 mg (LPRI‑CF113) in healthy women of reproductive age over 13 cycles

InvestigationalNo placebo
Countries:CzechiaCzechia
  • Participants:0–17 years · 18–64 years · Healthy volunteers
  • Substances:Drospirenone

Herpes zoster

Recruiting

Non‑inferiority of fractional varicella zoster virus glycoprotein E vaccine (AS01B) versus recombinant varicella zoster virus glycoprotein E vaccine in adults with shingles

Registered drugNo placebo
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years · Healthy volunteers
  • Substances:Recombinant Varicella Zoster Virus Glycoprotein E

Influenza+1

Recruiting

Study of the safety and immune response of gskvx000000077430 drug combination versus standard influenza vaccine in adults 18‑64 years

Registered drugNo placebo
Countries:BelgiumBelgium
  • Participants:18–64 years · Healthy volunteers
  • Substances:INFLUENZA A VIRUS, A/CROATIA/10136RV/2023 (H3N2) LIKE STRAIN X-425A, INACTIVATED

Influenza+1

Recruiting

Efficacy and safety of the investigational mRNA influenza vaccine gskvx000000077430 (drug combination) in adults ≥ 65 years

Registered drugNo placebo
Countries:BelgiumBelgium
  • Participants:65+ years · Healthy volunteers
  • Substances:INFLUENZA A VIRUS, A/CROATIA/10136RV/2023 (H3N2) LIKE STRAIN X-425A, INACTIVATED

Safety and Pharmacokinetics of MIB2 (StaphAcute) in Healthy Volunteers and Patients with Staphylococcus aureus Bacteremia

Registered drug
Countries:GermanyGermany
  • Participants:18–64 years · 65+ years · Healthy volunteers
  • Substances:Sodium Chloride

COVID-19+1

Recruiting

Effectiveness of mCOMBRIAX vaccine compared with high‑dose influenza vaccine and mRNA‑1273 in adults ≥65 years for prevention of influenza and COVID‑19

Registered drugNo placebo
Countries:DenmarkDenmark
  • Participants:65+ years · Healthy volunteers
  • Substances:B/Phuket/3073/2013-Like Virus (B/Phuket/3073/2013, Wild Type)
Countries:GermanyGermany
  • Participants:18–64 years · Healthy volunteers
  • Substances:Naproxen

Effect of Adjunctive Pramipexole on Anhedonia in Adults with Bipolar Depression – Randomized, Double‑Blind, Placebo‑Controlled Phase III Trial

Registered drug
Countries:SwedenSweden
  • Participants:18–64 years · 65+ years · Healthy volunteers
  • Substances:Pramipexole

Effectiveness of respiratory syncytial virus glycoprotein F (pre‑fusion) vaccine adjuvanted with AS01E in preventing RSV‑related respiratory disease hospitalization in adults ≥60 years

Registered drugNo placebo
Countries:SpainSpain
  • Participants:18–64 years · 65+ years · Healthy volunteers
  • Substances:Respiratory Syncytial Virus, Glycoprotein F, Recombinant, Stabilised In The Pre-Fusion Conformation, Adjuvanted With As01E
Countries:AustriaAustria
  • Participants:18–64 years · 65+ years · Healthy volunteers

Overweight

Recruiting

Study of PF-08653945 Bioavailability After Subcutaneous Injection in the Thigh, Upper Arm, or Abdomen in Adults with Obesity

InvestigationalNo placebo
Countries:BelgiumBelgium
  • Participants:0–17 years · 18–64 years · 65+ years · Healthy volunteers

Measles+3

Recruiting

Long‑term immunity after a 6‑month‑old MMR vaccine (live attenuated) in infants: follow‑up of antibody levels 1‑3 years after routine vaccination

Registered drugNo placebo
Countries:DenmarkDenmark
  • Participants:0–17 years · Healthy volunteers
  • Substances:MUMPS VIRUS RIT 4385 STRAIN (LIVE, ATTENUATED) DERIVED FROM FROM THE JERYL LYNN PRODUCED IN CHICK EMBRYO CELLS

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

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