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New pill may ease leg pain from narrowed spine

NCT ID NCT06654856

Symptom relief Sponsor: Dong-A ST Co., Ltd. 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Updated 1 time

Summary

This study tested whether Opalmon tablets can improve symptoms and physical function in 107 adults with acquired lumbar spinal stenosis, a condition where the spinal canal narrows and causes leg pain when walking. Participants took the medication for 8 weeks, and researchers measured changes using a standard questionnaire. The study was observational, meaning there was no comparison group, so results are preliminary.

What this could mean

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

Active substance
Opalmon (limaprost alfadex) tablet
What this could lead to
If effective, Opalmon could offer a non-surgical option to ease leg pain and improve walking ability in people with lumbar spinal stenosis.
What could go wrong
This is a small, single-group observational study with no placebo comparison, so results may be less reliable. Benefits may be modest or not apply to all patients.

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.

Participants

107 people

The number who actually took part.

Started

Aug 2024

Finished

Feb 2026

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.

Who is studied

Subjects who require treatment of Dong-A Opalmon® tab due to acquired Lumbar Spinal Stenosis

Ages

19 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: * Men or women aged ≥ 19 years * Subjects with acquired Lumbar Spinal Stenosis who show normal results in the Straight Leg Raising (SLR) test and exhibit intermittent claudication, requiring treatment with Dong-A Opalmon® tab * Subjects who voluntarily consent to participate in this observational study Exclusion Criteria: * Subject for whom the medicinal products administration is contraindicated according to the approved domestic drug information: Pregnant women or those who may be pregnant, Subject with genetic disorders such as galactose intolerance, Lapp lactase deficiency or glucose-galactose malabsorption * Subjects considered as unsuitable for participation in this observational study by the principal investigator or sub-investigator

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Conditions

The condition(s) this trial relates to.

lumbar spinal stenosis spinal stenosis

As listed by the trial registrant

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

Lumbar spinal stenosis

Contacts and locations

Locations

  • VHS Medical Center

    Seoul, South Korea

More trials for these conditions

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