Clinical trial Recruiting at 1 site Observational Ages 18 and up

Collecting biological samples after vaccination

Official title: Biological Collection for Studying Vaccine-induced Immune Responses

Run by Assistance Publique - Hôpitaux de Paris · NCT03875703 · Data updated 2026-11-12

This study is trying to see how different vaccines affect people's immune responses by collecting samples from those getting vaccinated as part of their regular care.

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment1200 (estimated)
SponsorAssistance Publique - Hôpitaux de Paris
Academic / other
Locations1 site (Créteil)
StatusRecruiting
StartedSeptember 1, 2019
Main results expectedFebruary 1, 2030
Study endsFebruary 1, 2030
Registry record updatedDecember 14, 2020
Trial IDNCT03875703 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults aged 18 and older who are scheduled to receive vaccinations for routine care.

Probably not a fit

Patients who are pregnant, breastfeeding, or under guardianship may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study focuses on collecting biological samples from individuals who are receiving vaccinations as part of their routine care. It aims to analyze the immune response generated by vaccines using advanced immunological techniques and assays. By examining various factors such as vaccine type, dosage, and individual host characteristics, the study seeks to enhance understanding of the immunological correlates of vaccine protection. This research is crucial for improving vaccine efficacy and public health outcomes.

Why it matters

Potential benefit: If successful, this study could lead to improved vaccine formulations and strategies that enhance immune responses in the population.

How similar studies have gone: Other studies have successfully utilized similar approaches to analyze immune responses to vaccinations, indicating a promising avenue for research.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥ 18 years old
* Informed and consented
* Need to be vaccinated for routine care

Exclusion Criteria:

* Person under guardianship or safeguards
* Pregnant or breastfeeding woman
* No affiliation to a health insurance scheme

Where it's running

  • Pr Gallien
    Créteil, France
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.