NCT07729241Completed
COVICI-SURV: COVID-19 Vaccination Around ICI Start and Survival
COVICI-SURV: COVID-19 Vaccination Around Immune Checkpoint Inhibitor Initiation and Survival in a Nationwide Cohort of Patients With Cancer
Source: ClinicalTrials.gov · Last updated 11 Sept 2026
Brief summary (registry, in English)
COVICI-SURV is a nationwide, retrospective observational cohort study using the French national health data system (SNDS) to evaluate whether COVID-19 vaccination, particularly mRNA vaccination, received within 100 days before or after immune checkpoint inhibitor (ICI) initiation is associated with survival among adults with cancer. The cohort includes 95,015 adults initiating anti-PD-1, anti-PD-L1 or anti-CTLA-4 therapy between 28 December 2020 and 22 March 2023. Pre-ICI vaccination is analysed using inverse probability of treatment weighting, and post-ICI vaccination among patients without COVID-19 vaccination in the preceding 100 days is analysed using a cloning-censoring-weighting target-trial emulation. The primary outcome is all-cause mortality; secondary outcomes include cancer-specific mortality, non-COVID-19 mortality and real-world progression-free survival. Follow-up extends to 31 December 2024 for all-cause mortality and to 31 December 2023 for cause-specific mortality.
- Status (registry)
- Completed
- Study type
- Observational
- Enrollment
- 95015 (actual)
- First submitted
- 21 Jul 2026
- Start date
- 28 Dec 2020
- Primary completion date
- 31 Dec 2024
- Lead sponsor
- Groupe Hospitalier Pitie-Salpetriere
- NCT number
- NCT07729241
What you commit to
- Study type: Observational
- Participants enrolled: 95015
- From 28 Dec 2020 to the primary completion date, 31 Dec 2024
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- solid organ or bone marrow transplantation
- For the post-ICI analysis, patients with any COVID-19 vaccine in the 100 days before ICI initiation are excluded.
Other illness
- HIV infection
- analysis-specific exclusions/censoring for mixed or non-mRNA COVID-19 vaccine schedules.
Who the study is looking for
- \- adults aged 18 years or older with a cancer diagnosis initiating anti-PD-1, anti-PD-L1 or anti-CTLA-4 therapy between 28 December 2020 and 22 March 2023 in the SNDS, with at least 3 years of prior observable SNDS history.
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Hôpital Pitié Salpêtrière / CIC-2503, Paris Coordinator of this site? Confirm its status | Paris | France | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.