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New hope for fibromyalgia? study tests Two-Drug approach for pain

NCT ID NCT07171320

Symptom relief Sponsor: Beijing Tiantan Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares pregabalin alone versus pregabalin plus desvenlafaxine for treating fibromyalgia, a condition causing widespread pain and fatigue. Researchers will enroll 384 adults with moderate to severe pain that hasn't improved with non-drug treatments. The goal is to see if the combination offers better pain relief without more side effects.

What this could mean

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

Active substance
pregabalin and desvenlafaxine
What this could lead to
If successful, this could offer a more effective pain relief option for people with fibromyalgia who don't get enough help from pregabalin alone.
What could go wrong
This is an early-stage study with no phase designation, so results are uncertain. The combination may not provide significantly better pain relief and could cause more 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 384 people

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

Started

Sep 2025

Expected to finish

Aug 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 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: * Diagnosed with FM according to the 2016 Revisions to the 2010/2011 FM diagnostic criteria; * Aged 18 years or older; * Experiencing moderate to severe FM that have not been effectively alleviated by non-pharmacological treatments and has not received currently recommended pharmacological treatment for FM; * Numeric rating scale (NRS) score ≥ 4 at baseline; * Aspartate aminotransferase and alanine aminotransferase levels less than twice the upper limit of normal; * Estimated glomerular filtration rate of 30 mL/min per 1.73 m2 or higher; * Willing to sign the informed consent form and possessing sufficient cognitive and language abilities to comply with all the study requirements. Exclusion criteria * History of hypersensitivity to pregabalin, desvenlafaxine or any of its excipients; * History of epilepsy, or depression requiring antidepressant medications; * Pregnancy or breastfeeding; * Presence of serious systemic diseases, including uncontrolled hypertension, uncontrolled diabetes, or significant cardiac dysfunction; * With acute or chronic pain conditions other than FM.

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Conditions

The condition(s) this trial relates to.

fibromyalgia Pain

As listed by the trial registrant

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

Fibromyalgia Pain Pregabalin

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, Beijing, Beijing 100070

    RECRUITING

    Beijing, China

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