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Heart drug study pulled before it even started

NCT ID NCT04510792

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 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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study was designed to find out how often high potassium levels (hyperkalemia) cause doctors to reduce or stop important heart medications called RAAS inhibitors in emergency room or hospitalized patients. It planned to track medication changes and repeated high potassium episodes. However, the study was withdrawn before enrolling any participants, so no data or results are available.

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.

Started

Jul 2021

Finished

Jul 2021

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

Inpatients or ED attenders receiving RAASi and with an episode of hyperkalaemia (potassium ≥5.5 mmol/l)

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: 1. Patients in ED or inpatients with at least 1 blood test with a potassium level of ≥5.5 mmol/l 2. Receiving RAASi. 3. Aged 18 and above. 4. Able to provide informed consent or consent provided by consultee in those unable to consent for themselves. Exclusion Criteria: 1. Patients already receiving dialysis prior to the episode of hyperkalaemia. 2. For patients considered for postal consent: known cognitive impairment, learning difficulties or brain injury or those who had transient cognitive impairment, delirium or required urgent deprivation of liberty form completion during inpatient stay or in the previous 12 months prior to hyperkalaemia episode.

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Conditions

The condition(s) this trial relates to.

Hyperkalemia

As listed by the trial registrant

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

Hyperkalemia

Contacts and locations

Locations

  • Portsmouth Hospitals NHS Trust, Queen Alexandra Hospital

    Portsmouth, Hampshire, PO6 3LY, United Kingdom

More trials for these conditions

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