New combo therapy aims to ease fibromyalgia pain
NCT ID NCT07186751
First seen Jun 27, 2026 · Last updated Sep 03, 2026 · Updated 2 times
Summary
This study compares taking pregabalin alone versus pregabalin plus venlafaxine for fibromyalgia, a condition causing widespread pain and fatigue. Researchers want to see if the combination provides better pain relief without more side effects. The study will enroll 750 adults with moderate to severe pain that hasn't improved with non-drug treatments.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 750 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2025
- Expected to finish
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Aug 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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 more than 18 years; * Suffering from moderate to severe FM with 11-point numeric rating scale (NRS) score more than 4 at baseline that have not been effectively alleviated by non-pharmacological treatments and has not received currently recommended pharmacological treatment for FM; * Agreed to sign the informed consent form. Exclusion criteria * A history of psychiatric disease; * Hypersensitivity or have contraindications to pregabalin, venlafaxine; * Pregnancy or breastfeeding; * Presence of serious systemic diseases, including uncontrolled hypertension, uncontrolled diabetes, significant cardiac dysfunction, or chronic hepatic or renal dysfunction; * With acute or chronic pain conditions other than FM.
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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.
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The places running it
2 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Beijing Tiantan Hospital, Beijing, Beijing 100070
RECRUITINGBeijin, China
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Beijing Tiantan Hospital, Beijing, Beijing 100070
RECRUITINGBeijing, China
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