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AZO pill tested for Post-Test bladder pain relief

NCT ID NCT06577493

Symptom relief Sponsor: University of South Florida 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether taking phenazopyridine (AZO) can reduce pain after urodynamic testing, a procedure that checks how well the bladder works. About 66 adults will take the drug or a placebo and rate their pain and anxiety levels. The goal is to find a simple way to make the test more comfortable.

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

About 66 people

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

Started

Dec 2024

Expected to finish

Jul 2026

An estimate. End dates often move.

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 99 years

Sex

Female participants only

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: * ability to provide informed consent * ability to complete visual analog scale * requiring urodynamic testing * 18 years of age or older * must be able to read and write in English or Spanish Exclusion Criteria: * allergy to phenazopyridine * a urinary tract infection in the prior 2 weeks * women who did not undergo urodynamic testing * patient less than 18 years old * patients with known (noted in patient chart and verbally asked) severe renal insufficiency with GFR \<50 mL/min, * patients with known (noted in patient chart and verbally asked) severe hepatitis * patients with known (noted in patient chart and verbally asked) G6PD deficiency * history of fibromyalgia * history of interstitial cystitis * non English or Spanish speaking

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As listed by the trial registrant

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

Pain after urodynamic testing

Contacts and locations

Locations

  • University of South Florida South Tampa Center

    Tampa, Florida, 33606, United States