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Lower dose of common painkiller may work just as well for kidney stone pain

NCT ID NCT05776953

Symptom relief Sponsor: Hackensack Meridian Health 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 14, 2026 · Updated 2 times

Summary

This study tests whether a 15mg dose of the painkiller ketorolac works as well as a 30mg dose for relieving kidney stone pain in the emergency department. About 86 adults with severe pain will receive one of the two doses, and their pain levels will be tracked over several hours. The goal is to see if a lower dose can provide similar pain relief, which could mean fewer side effects.

What this could mean

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

Active substance
Ketorolac (a nonsteroidal anti-inflammatory drug for pain)
What this could lead to
If successful, this could show that a lower dose of ketorolac provides similar pain relief duration, potentially reducing side effects.
What could go wrong
This is a small, single-center Phase 4 trial with only 86 participants, so results may not apply broadly. The study focuses on short-term pain relief, not long-term outcomes.

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.

Phase

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

86 people

The number who actually took part.

Started

Dec 2023

Finished

Aug 2026

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Ages

18 to 65 years

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: Patients will be included if they present to the Emergency Department with (all of the following): * Adult emergency department patients \< 65 years old * One or more of the following common ED chief complaints associated with the suspected diagnosis of renal colic. These chief complaints include but are not limited to: flank pain, back pain, abdominal pain, left and/or right lower quadrant pain, and/or pelvic pain * Pain score of 4 or greater on the 0-10 NRS * Determination of treatment with IV ketorolac Exclusion Criteria: Patients will be excluded if any of the following apply: * Allergy to ketorolac * Pregnant patients * Previously received analgesic medications within 4 hours prior to administration of ketorolac in our ED * Known or stated history of renal insufficiency * Body weight \< 50 kg * Age greater than 65 years * Patients that do no read/write Spanish or English

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Conditions

The condition(s) this trial relates to.

agnosia Emergencies Flank Pain pain agnosia Renal Colic

As listed by the trial registrant

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

Analgesia Emergencies Flank pain Renal colic

Contacts and locations

Locations

  • Hackensack Univarsity medical Center

    Hackensack, New Jersey, 07601, United States

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