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Massive database could help hospitals spot patients in danger

NCT ID NCT04983082

Knowledge-focused Sponsor: Portsmouth Hospitals NHS Trust 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time

Summary

This study creates a large, anonymized database of routine hospital records from up to 750,000 adult patients. Researchers will use this data to develop and test computer models that predict serious outcomes like death, unexpected ICU admission, or cardiac arrest. The goal is to improve how hospitals identify and care for high-risk patients.

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 database could help doctors better predict which hospital patients are at risk of serious complications, potentially saving lives through earlier intervention.
What could go wrong
This is an observational database study, not a treatment trial. The risk models developed may not work perfectly in all patient groups or hospitals.

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 750,000 people

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

Started

Aug 2021

Expected to finish

Apr 2031

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Who is studied

The research database will hold data on adults who are treated by Portsmouth Hospitals University National Health Service Trust (PHU), either as an outpatient, Accident and Emergency (A\&E) attender, day case or inpatient or have investigations carried out by PHU services Adult patients are defined by the National Health Service (NHS) as individuals over 16 years old. Data on service contacts and use will only be included where the patient was more than 16 years old at that time. None of the data included in the Clinical Outcomes analyses are collected specifically for the purposes of research. All datasets are routinely collected clinical datasets, collected for clinical use and clinical audit.

Ages

16 years and older

Sex

Anyone

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: * Adult presenting at the acute hospital or receiving services from the hospital Exclusion Criteria: * Adults who have registered an opt out of research with National Health Service (NHS) Digital * Adults who have contacted the hospital to ask that their records are not to be included in this study

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As listed by the trial registrant

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

Adult hospital patients at risk of adverse outcomes

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

  • Queen Alexandra Hospital

    RECRUITING

    Portsmouth, Hampshire, PO6 3LY, United Kingdom