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New combo aims to ease fibromyalgia pain better than standard drug

NCT ID NCT07382921

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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 adding tizanidine (a muscle relaxant) to pregabalin (a standard pain drug) works better than pregabalin alone for fibromyalgia pain. About 164 adults with daily pain will be followed for 12 weeks. The goal is to see if the combination reduces pain and improves quality of life with fewer side effects.

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

About 164 people

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

Expected to start

Jan 2026

An estimate. Start dates often move.

Expected to finish

Aug 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 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: * 1.Aged 18-65 years. 2.Fulfill the 2016 updated American College of Rheumatology (ACR) diagnostic criteria for fibromyalgia. 3.Sufficient cognitive function, visual acuity and language skills to complete questionnaires and pain diaries and to participate in telephone communication with study nurses to permit titration of the study drugs. 4.Experienced daily pain (≥4/10 on a numerical rating scale) for at least 3 months. Exclusion Criteria: * 1.Presence of a painful condition, including inflammatory rheumatic disease, more than 50% as severe as but distinct from fibromyalgia. 2.Women who are pregnant or lactating. 3.Women of childbearing potential not using adequate contraceptives. 4.End-stage kidney or liver disease. 5.Unstable cardiovascular disease (myocardial infarction within the preceding year, unstable angina, or congestive heart failure) or clinically relevant abnormal 12-lead electrocardiogram. 6.Any poorly controlled medical condition that, in the opinion of the investigator, would interfere with proper conduct of the trial. 7.Severe depression, as determined by a Beck Depression Inventory-II score of 29 or more suicidal ideation, as determined by a Beck Depression Inventory-II item 9 score of 2 or more any current major psychiatric disorder (e.g., schizophrenia, bipolar disorder) that is not well controlled. 8.Hypersensitivity to any of the study medications. 9.Any current alcohol or drug abuse or dependence (except nicotine and caffeine). 10.Those taking more than 90 mg morphine equivalents per day.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Beijing Tiantan Hospital, Capital Medical University in Beijing

    Beijing, Beijing Municipality, China

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