NCT04740320 is a clinical trial in Covid19, sponsored by Imperial College London.

Who is sponsoring NCT04740320?

NCT04740320 is sponsored by Imperial College London.

Is NCT04740320 still recruiting?

NCT04740320 is currently completed. Last updated 13 August 2024.

Are results published for NCT04740320?

Yes — primary outcome results have been posted to ClinicalTrials.gov. See the outcomes section above for details.

Last reviewed 2024-08-13 · How we verify

NCT04740320

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

COVID-19 SARS-CoV-2 Screening Protocol

Completed Results posted Last updated 13 August 2024

What this trial tests

trial in Covid19 in 36 participants. Completed in 9 July 2021.

Timeline

15 December 2020

Primary endpoint
23 June 2021

9 July 2021

Quick facts

Lead sponsor	Imperial College London
Status	Completed
Study type	OBSERVATIONAL
Enrollment	36
Start date	15 December 2020
Primary completion	23 June 2021
Estimated completion	9 July 2021
Sites	1 location across United Kingdom

Conditions studied

Covid19 — all drugs for Covid19 →

Sponsor

Imperial College London

Who can join

Adults 18 to 30, any sex, with Covid19. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Participants Enrolled Primary · 6 months

Number of participants enrolled in main study

Group	Value	95% CI
Healthy Volunteers	36

Sponsor's own description

The aim of this screening protocol is to assess volunteers for their potential eligibility to participate in a dose finding human experimental infection study in healthy subjects using a GMP-produced SARS-CoV-2 wild type strain

Publications & conference data

2 peer-reviewed publications reference this trial (live from Europe PMC):

Workplace interventions to reduce the risk of SARS-CoV-2 infection outside of healthcare settings.
Pizarro AB, Persad E, Durao S, Nussbaumer-Streit B, et al · · 2022 · cited 17× · PMID 35514111 · DOI 10.1002/14651858.cd015112.pub2
Workplace interventions to reduce the risk of SARS-CoV-2 infection outside of healthcare settings.
Constantin AM, Noertjojo K, Sommer I, Pizarro AB, et al · · 2024 · cited 2× · PMID 38597249 · DOI 10.1002/14651858.cd015112.pub3

Verify or expand the search:

Other recruiting trials for Covid19

Currently open trials in the same condition.

NCT03305341 — Proof-of-Concept Clinical Pharmacology Trial for COVID-19 Antigen Presentation Therapeutic Biologic Mix · EARLY_PHASE1 · active not recruiting
NCT06482138 — Dysfunction of Olfaction After COVID-19 Infection: Morphological and Histomolecular Investigation · NA · recruiting
NCT04924803 — Community Developed Technology-Based Messaging to Increase COVID-19 Vaccine Uptake Among People Who Inject Drugs · NA · active not recruiting
NCT05013632 — COVID-19 International Drug Pregnancy Registry · recruiting
NCT04806061 — Urine Alkalinisation in COVID-19 · NA · active not recruiting

Other Imperial College London trials

Trials by the same sponsor.

NCT06035861 — Endothelial Cell Activation and Total Pulmonary Resistance in PAH · NA · not yet recruiting
NCT07397455 — Development of a Controlled Human Infection Model for Assessment of SARS-CoV-2 Omicron Subvariants · Phase 1 · not yet recruiting
NCT07422532 — A Multi-centre Trial to Assess the Efficacy and Safety of the Omnipod 5 System in People With Type 2 Diabetes Undergoing · NA · not yet recruiting
NCT07389031 — Maralixibat for Intrahepatic Cholestasis of Pregnancy · Phase 2 · not yet recruiting
NCT07358897 — Gender Affirming Hormone Therapy and Immune Function in Trans Individuals - The GIFT Study · not yet recruiting

Verify against primary sources

ClinicalTrials.gov — authoritative US registry record
WHO ICTRP — international registry index
EU Clinical Trials Register
Sponsor press releases (Google)

Data sources for this page

Trial protocol + status: ClinicalTrials.gov NCT04740320 (US National Library of Medicine, public domain)
Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by Imperial College London
Last refreshed: 13 August 2024

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04740320.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing