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Find clinical trials for healthy volunteers – page 39

recruiting
132
countries
24
conditions
301

535 healthy volunteer trials match your criteria

COVID-19

Not recruiting

Study on the Immune Response of COVID-19 Vaccine Tozinameran with Flu Vaccine Combinations in Adults Aged 65 and Over

Registered drug
Countries:BelgiumBelgium
  • Participants:65+ years · Healthy volunteers
  • Substances:Tozinameran

Rhinovirus infection

Not recruiting

Study on 2-Deoxy-D-Glucose for Preventing Common Cold in Healthy Adults

Investigational
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · Healthy volunteers
  • Substances:2-DEOXY-D-GLUCOSE

Study on the Safety and Tolerability of BIIB115 for Children with Spinal Muscular Atrophy Previously Treated with Gene Therapy

Investigational
Countries:BelgiumBelgium
  • Participants:0–17 years · 18–64 years · Healthy volunteers
  • Substances:BIIB115

Oral contraception

Not recruiting

Study on the Effects of Ethinylestradiol, Levonorgestrel, and Chlormadinone Acetate in Hormonal Contraception for Women Using Oral Contraceptives

Registered drugNo placebo
Countries:AustriaAustria
  • Participants:0–17 years · 18–64 years · Healthy volunteers
  • Substances:Ethinylestradiol

Hypopituitarism

Not recruiting

Study on the Effects of Exenatide in Patients with Hypopituitarism and Oxytocin Deficiency

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

Pneumonia chlamydial+2

Not recruiting

Study on the Effects of Doxycycline for Preventing Antibiotic Resistance in Patients with Bacterial STDs (Chlamydia, Gonorrhea, Syphilis)

Registered drugNo placebo
Countries:BelgiumBelgium
  • Participants:18–64 years · 65+ years · Healthy volunteers
  • Substances:Doxycycline Monohydrate

Study on Vascular Dysfunction: Comparing Acetylcholine Chloride and Carbachol for Forearm Blood Flow Evaluation in Patients

Registered drugNo placebo
Countries:DenmarkDenmark
  • Participants:18–64 years · Healthy volunteers
  • Substances:CARBACHOL

Open angle glaucoma+1

Not recruiting

Study on Goblet Cell Density in Patients with Ocular Hypertension or Primary Open Angle Glaucoma Using Benzalkonium Chloride and Latanoprost Eye Drops

Registered drugNo placebo
Countries:DenmarkDenmark
  • Participants:18–64 years · 65+ years · Healthy volunteers
  • Substances:Latanoprost

HIV infection

Not recruiting

Study on the Safety and Effectiveness of Emtricitabine and Tenofovir Alafenamide for HIV-1 Prevention in Men and Transgender Women at Risk

Registered drugNo placebo
Countries:AustriaAustria
  • Participants:18–64 years · 65+ years · Healthy volunteers
  • Substances:Emtricitabine

Poisoning

Not recruiting

Study on Detecting Nitrous Oxide in Healthy Volunteers Using Nitrous Oxide and Oxygen to Help Victims of Nitrous Oxide Intoxication

Registered drugNo placebo
Countries:DenmarkDenmark
  • Participants:18–64 years · Healthy volunteers
  • Substances:Nitrous Oxide

Study on Etrasimod Arginine for Patients with Ulcerative Colitis, Alopecia Areata, Atopic Dermatitis, and Eosinophilic Esophagitis

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

Herpes zoster

Not recruiting

Study on Long-Term Effects and Safety of Herpes Zoster Vaccine with Recombinant Varicella Zoster Virus Glycoprotein E in Older Adults

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

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.