Testing antiviral treatments for early COVID-19 symptoms

Finding Treatments for COVID-19: A Phase 2 Multi-centre Adaptive Platform Trial to Assess Antiviral Pharmacodynamics in Early Symptomatic COVID-19 (PLATCOV)

Phase 2 Interventional University of Oxford · NCT05041907

This study is testing different antiviral treatments for people with early COVID-19 symptoms to see if they can help reduce the virus in those who are at low risk.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment3800 (estimated)
Ages18 Years to 60 Years
SexAll
SponsorUniversity of Oxford Academic / other
Drugs / interventionsSotrovimab
Locations7 sites (Minas Gerais and 6 other locations)
Trial IDNCT05041907 on ClinicalTrials.gov

What this trial studies

This trial aims to develop a platform for assessing the antiviral effects of various treatments in low-risk patients with early symptomatic COVID-19. It will evaluate three types of interventions: small molecule drugs, monoclonal antibodies, and dose-finding for nirmatrelvir/ritonavir. Participants will be randomized into treatment groups or a control group receiving no antiviral treatment. The study focuses on patients with high viral burdens to determine the in-vivo antiviral activity of these treatments.

Who should consider this trial

Good fit: Ideal candidates are previously healthy adults aged 18 to 60 with early symptomatic COVID-19 and a positive SARS-CoV-2 test.

Not a fit: Patients with chronic illnesses requiring long-term treatment or those taking certain concomitant medications may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to effective antiviral treatments for early COVID-19, potentially reducing the severity of the disease.

How similar studies have performed: Other studies have shown promise with antiviral treatments for COVID-19, but this approach is innovative in its platform design and focus on early symptomatic patients.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patient understands the procedures and requirements and is willing and able to give informed consent for full participation in the study.
* Previously healthy adults, male or female, aged 18 to 60 years at time of consent with early symptomatic COVID-19
* SARS-CoV-2 positive by lateral flow antigen test OR a positive PCR test for SARS-CoV-2 within the last 24hrs with a Ct value of less than 25 (all viral targets)
* Symptoms of COVID-19 (including fever, or history of fever) for less than 4 days (96 hours).
* Oxygen saturation ≥96% measured by pulse-oximetry at time of screening.
* Able to walk unaided and unimpeded in ADLs
* Agrees and is able to adhere to all study procedures, including availability and contact information for follow-up visits

Exclusion Criteria:

The patient may not enter the study if ANY of the following apply:

* Taking any concomitant medications or drugs (see appendix 4)†
* Presence of any chronic illness/ condition requiring long term treatment, or other significant comorbidity (e.g. diabetes, obesity but see appendix 4 for the full list)
* Laboratory abnormalities discovered at screening (see appendix 4)
* For females: pregnancy, actively trying to become pregnant, or lactation
* Contraindication to taking, or known hypersensitivity reaction to any of the proposed therapeutics (see appendix 4)
* Currently participating in another COVID-19 therapeutic or vaccine trial
* Evidence of pneumonia (although imaging is NOT required)

  * healthy women on the oral contraceptive pill are eligible to join the study

Where this trial is running

Minas Gerais and 6 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions COVID-19Phase 2Antiviral Pharmacodynamics
Last reviewed 2026-06-14 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.