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New study aims to sharpen COVID-19 testing and uncover immunity secrets

NCT ID NCT04404062

Knowledge-focused Sponsor: Richmond Research Institute Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is testing different methods to detect COVID-19 infections and measure immunity. Researchers will use PCR tests to find active infections and antibody tests to see who has been infected before. Up to 2500 volunteers, including staff and their families, will participate. The goal is to improve testing accuracy and understand how long immunity lasts.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this study could help improve COVID-19 testing methods and provide valuable data on infection rates and immunity duration.
What could go wrong
This is an observational study, not a treatment trial. It will not directly benefit participants and results may not apply to other populations.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 2,500 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2020

Expected to finish

Dec 2028

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Participants are individuals who are screened upon entry to the Richmond Pharmacology unit. These individuals may be employees of Richmond Pharmacology, volunteers for other concurrent studies, or members of the public.

Ages

5 to 70 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Male or female aged 5 to 70 years. * An understanding, ability, and willingness to fully comply with the project procedures and restrictions. Exclusion Criteria: * Not applicable.

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Conditions

The condition(s) this trial relates to.

COVID-19

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

COVID -19

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Richmond Pharmacology Ltd. 1a Newcomen St, London Bridge

    RECRUITING

    London, London, SE1 1YR, United Kingdom

More trials for these conditions

Other studies related to the condition(s) this trial covers.