Opportunities for Healthy Volunteers

Contribute to medical research by participating in studies designed for healthy participants in your selected area.

Find Healthy Volunteer Studies by Location

Discover research opportunities worldwide for healthy participants

🌍 Search Trials by Country

Matched clinical trials

  • Study of mRNA-based seasonal influenza vaccine to evaluate immune response and safety in adults 18 years and older

    Not recruiting

    2 1 1 1
    Investigated Diseases:
    Belgium
  • Study of H5N8 influenza vaccine in adults previously vaccinated with H5N1/MF59 vaccine compared to those never vaccinated with H5 vaccine

    Not recruiting

    3 1 1 1
    Belgium Italy
  • Study of mRNA-based seasonal influenza vaccine combinations compared to standard influenza vaccines in adults aged 18 and older

    Not recruiting

    2 1 1 1
    Investigated Diseases:
    Belgium
  • Study on the Safety and Immune Response of a High-Dose Influenza Vaccine in Adults Aged 60 and Over, Comparing Trivalent Influenza Vaccine with a Drug Combination

    Not recruiting

    3 1 1 1
    Belgium Bulgaria Estonia Finland Spain
  • Study on the Safety and Immune Response of RSVPreF3 OA Vaccine with PCV20 in Adults Aged 60 and Older with RSV Disease

    Not recruiting

    3 1 1 1
    Investigated Diseases:
    Belgium Poland Spain
  • Study Comparing Different Injection Methods of Yellow Fever Vaccine in Adults

    Not recruiting

    3 1 1 1
    Belgium
  • Study on How Vaccines Affect Infant Immunity to Whooping Cough in Babies Born to Vaccinated Mothers Using Diphtheria, Tetanus, and Pertussis Vaccine Combination

    Not recruiting

    3 1 1 1
    Investigated Diseases:
    Belgium
  • Study on the Use of Indocyanine Green to Assess Lymphatic Vessel Porosity in Women with Lipedema

    Not recruiting

    3 1 1 1
    Investigated Drugs:
    Belgium
  • A Study of OVX836 Influenza Vaccine Given as Booster or Primary Vaccination in Healthy Adults Who Previously Received OVX836, Influenza Vaccine, or Placebo

    Not recruiting

    2 1 1
    Investigated Diseases:
    Belgium
  • Study on the Safety and Immune Response of JNJ-78901563 and High-dose Influenza Vaccine in Preventing E. coli Infections in Adults Aged 65 and Older

    Not recruiting

    3 1 1
    Investigated Diseases:
    Investigated Drugs:
    Belgium Poland
  • Study on Ciprofloxacin’s Effect on Antibiotic Resistance in E. coli for Healthy Individuals

    Not recruiting

    2 1 1
    Investigated Diseases:
    Investigated Drugs:
    Belgium
  • Study on the Immune Response to Bretovameran COVID-19 mRNA Vaccine in Healthy Adults Aged 18-40

    Not recruiting

    3 1 1 1
    Investigated Diseases:
    Belgium