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Voltaren gel study: rubbing it in by hand vs. using an applicator

NCT ID NCT06954181

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Updated 1 time

Summary

This study measured how much of the pain-relief gel Voltaren (diclofenac) ends up in rinse water after washing. 33 healthy adults applied the gel either by hand or with an applicator, then washed or wiped the area. Researchers tested the rinse water to see how much drug was lost. The goal was to understand if application method affects drug waste.

What this could mean

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

Active substance
diclofenac gel (Voltaren)
What this could lead to
If successful, this could help understand how much medication is wasted during application, potentially leading to better dosing instructions.
What could go wrong
This is a small, completed study in healthy people, not a treatment trial. Results may not apply to patients or real-world use.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

33 people

The number who actually took part.

Started

Mar 2025

Finished

Apr 2025

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Ages

18 to 70 years

Sex

Anyone

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: * Written informed consent to participate in the study. * Willingness to actively participate in the study and to come to the scheduled visits. * Female and/or male. * From 18 to 70 years of age. Exclusion Criteria: * Female participants: Pregnancy or lactation. * Drug addicts, alcoholics. * Acquired immunodeficiency syndrome (AIDS), human immunodeficiency virus (HIV)-positive or infectious hepatitis. * Conditions which exclude a participation or might influence the test reaction/evaluation. * Participation or being in the waiting period after participation in cosmetic and/or pharmaceutical studies pertaining to the test area. * Cancer not being diagnosed as cured and requiring chemotherapy, irradiation and/or hormonal treatment within the last 2 years. * A previous allergic reaction, sensitivity or intolerance to diclofenac or any of the other ingredients in Voltaren® Schmerzgel forte. * Participants in whom asthma, angioedema, urticaria or acute rhinitis are precipitated by acetyl salicylic acid or other non-steroidal anti-inflammatory drugs (example, ibuprofen, naproxen et cetera). * Documented allergies to cosmetic products. * Active skin disease at the test area. * Wounds, moles, tattoos, scars, irritated skin, excessive hair growth, et cetera, at the test area that could influence the investigation. * Any topical medication at the test area within the last 3 days prior to the start of the study.

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As listed by the trial registrant

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

Contacts and locations

Locations

  • SGS proderm GmbH

    Schenefeld, 22869, Germany

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