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

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Matched clinical trials

  • 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 Effectiveness and Safety of a Respiratory Syncytial Virus (RSV) Vaccine in Infants and Toddlers

    Not recruiting

    3 1
    Investigated Diseases:
    Investigated Drugs:
    Finland Germany Spain
  • Study on the Safety and Immune Response of PHH-1V81 Booster for Adults Vaccinated Against COVID-19

    Not recruiting

    4 1 1 1
    Investigated Diseases:
    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 on the Safety and Immune Response of V116 Vaccine for Pneumococcal Disease in Adults Aged 50 and Older

    Not recruiting

    3 1 1 1
    Investigated Diseases:
    Germany Spain
  • Study on the Effectiveness and Safety of Levonorgestrel Vaginal Delivery System vs. Desogestrel Tablets for Preventing Pregnancy in Women

    Not recruiting

    3 1 1 1 1
    Czechia Germany Hungary Lithuania Poland Romania +2
  • Study Comparing the Safety and Immune Response of the Investigational vYF Vaccine and Stamaril for Yellow Fever in Adults in Europe and Asia

    Not recruiting

    2 1 1 1
    Finland France Germany Spain
  • Study on the Safety and Immune Response of a Booster Dose of MenACYW Conjugate Vaccine in Children and Adolescents Previously Vaccinated for Meningococcal Infection

    Not recruiting

    3 1 1 1
    Finland Germany Hungary Spain
  • Study on the Effectiveness of RSV Vaccine (Abrysvo) in Preventing Hospitalizations in Adults Aged 60 and Older

    Not recruiting

    3 1 1 1
    Investigated Diseases:
    Denmark Spain
  • Study on the Safety and Immune Response of mRNA-1345 and mRNA-1365 for Infants with Acute Lower Respiratory Infection Aged 5 to 24 Months

    Not recruiting

    1 1 1
    Latvia Poland Spain
  • Study on the Safety and Immune Response of MenABCWY Vaccine and Drug Combination in Healthy Infants with Meningococcal Infections

    Not recruiting

    1 1 1 1
    Germany Poland Spain
  • Safety and immunogenicity study of Pentavalent Meningococcal ABCYW vaccine (MenPenta SD and MenPenta fHD) compared to licensed meningococcal vaccines in infants, toddlers and children

    Not recruiting

    2 1 1 1
    Czechia Denmark Finland Germany Poland Spain