Could Anti-Inflammatory drugs lift depression?
NCT ID NCT06699966
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether two anti-inflammatory medications, celecoxib or minocycline, can reduce depression symptoms in adults with major depressive disorder or bipolar depression. About 42 participants will take one of the drugs for 8 weeks and have their depression levels measured before and after. The goal is to see if these drugs offer a new way to ease depression.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 42 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jun 2027
An estimate. Start dates often move.
- Expected to finish
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Jan 2032
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 to 65 years
- 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: * Current consent form signed * Capacity to give informed consent * Age range 18-65 (inclusive) * Diagnosis of MDD or bipolar depression and currently in a major depressive episode * Score of at least 29 on the MADRS (at least moderate depression) Exclusion Criteria: * Hypersensitivity to celecoxib, minocycline, tetracyclines, sulfonamides, aspirin, other NSAIDs, or any component of the formulation; previous asthma, urticaria, or allergic-type reactions after taking aspirin or other NSAIDs * History of myocardial infarction or current cardiac condition * Heptic impairment, heart failure, severe renal impairment, recent GI bleed, history of peptic ulcer disease, anemia or any other contraindication for celecoxib or minocycline * Poor CYP2C9 metabolizer * Currently taking medications that interact with celecoxib (digoxin, antihypertensives, diuretics, anticoagulant or anti-platelet treatment, including aspirin), or minocycline (isotretinoin, ergot alkaloids) without providing physicians approval * Use of herbs, drugs, or medications with anti-inflammatory or immunomodulatory properties (within 5 half-lives of starting celecoxib or minocycline treatment) * Unlikely to tolerate medication washout or the medication-free period following washout. * Participant considered at significant risk for suicide. * Electroconvulsive therapy (ECT) within 1 month * High potential for excessive drug/alcohol use during the treatment period (excluding nicotine or cannabis) * Significant active physical illness or neurological deficit that may affect brain functioning. * If participant is currently pregnant, breastfeeding, or planning to conceive during the course of study participation. * Need for medications that control mania.
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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 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.
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