deltatrials
Completed OBSERVATIONAL NCT04993560

Safety and Efficacy of COVID-19 Prime-boost Vaccine in Bahrain

Comparing the Safety and Efficacy of Homologous and Heterologous COVID-19 Prime-boost Vaccination in Bahrain

Sponsor: Bahrain Defence Force Royal Medical Services

Updated 4 times since 2021 Last updated: Oct 25, 2021 Started: Jul 18, 2021 Primary completion: Sep 17, 2021 Completion: Oct 19, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Covid19 and SARS-CoV 2 Infection and is currently completed. Bahrain Defence Force Royal Medical Services leads this study, which shows 4 recorded versions since 2021 — indicating limited longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.

Status Flow

~Sep 2021 – ~Nov 2021 · 2 months · monthly snapshot~Nov 2021 – ~Jul 2024 · 32 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

4 versions recorded
  1. Sep 2024 — Present [monthly]

    Completed

  2. Jul 2024 — Sep 2024 [monthly]

    Completed

  3. Nov 2021 — Jul 2024 [monthly]

    Completed

    Status: RecruitingCompleted

  4. Sep 2021 — Nov 2021 [monthly]

    Recruiting

    First recorded

Jul 2021

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Bahrain Defence Force Royal Medical Services
  • Bahrain International Exhibition & Convention Centre
  • Ministry of Health, Bahrain
  • Royal College of Surgeons in Ireland - Medical University of Bahrain
  • The National Taskforce for Combatting COVID-19- Kingdom of Bahrain
Data source: Royal College of Surgeons in Ireland - Medical University of Bahrain

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations