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Injection volume showdown: can more fluid beat carpal tunnel pain?

NCT ID NCT07283874

Symptom relief Sponsor: Assiut University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether injecting a larger or smaller amount of fluid around the median nerve in the wrist better relieves pain from carpal tunnel syndrome. 35 adults with mild to moderate carpal tunnel will receive either 8 ml or 3 ml of dextrose, or a steroid injection. The goal is to see if volume affects pain scores on a 0-10 scale.

What this could mean

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

Active substance
dextrose 5%, triamcinolone acetonide, lidocaine 2%
What this could lead to
If it works, this could help doctors choose the best injection volume for carpal tunnel pain relief.
What could go wrong
This is a small, early-phase study with only 35 people. It may not show a clear difference between volumes, and results may not apply to everyone with CTS.

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 35 people

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

Expected to start

Dec 2025

An estimate. Start dates often move.

Expected to finish

Dec 2027

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 80 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: * Adult patients aged 20-80 years old 2. Patients diagnosed with idiopathic CTS. 3. Abnormal electrophysiological analysis showing mild to moderate CTS 4. Symptoms and signs including: 1. pain or paraesthesia in the median nerve innervated area (at least two digits with such symptoms between the thumb and the 4th digit) for more than 6 months not responding to conservative management including (vitamin B complex, nonsteroidal anti-inflammatory drugs, oral steroids, and/or night splint) 2. positive Phalen test, Tinel sign, or flick sign 3. The patient's initial examination was based on the American Academy of Orthopaedic Surgeons Clinical Practice Guideline recommendations prior to their inclusion and confirmed by nerve conduction studies Exclusion Criteria: * 1- Age less than 20 years 2- severe CTS (abductor policies brevis muscle atrophy with distal latency time \>6.5 MS). 3- MN electrophysiology study revealing absent potentials. 4- its cross-sectional area (CSA) \>15 mm2 by sonographic checkup. 5- previous surgery of carpal tunnel. 6- previous wrist injection within 3 months 7- history of peripheral nerve injuries (brachial plexopathy, cervical radiculopathy or thoracic outlet syndrome) 8- CTS due to systemic causes, for example, endocrinal and/or pregnancy, rheumatoid arthritis, gouty or psoriatic osteoarthritis. 9- concurrent use of antihistaminic, or cortisone. 10- Participant refusal. 11- local infection. presence of coagulopathy, and/or allergy to the included medications were also points for patients' exclusion from the study

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Conditions

The condition(s) this trial relates to.

carpal tunnel syndrome

As listed by the trial registrant

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

Carpal tunnel syndrome (CTS)

How to take part

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  1. The official record

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