Could an Anti-Inflammatory drug curb cocaine cravings?
NCT ID NCT07086794
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether pentoxifylline, an anti-inflammatory drug, can reduce how rewarding cocaine feels. Thirty adults with cocaine use disorder who are not seeking treatment will take the drug and then choose between cocaine and money. The goal is to see if calming immune inflammation in the brain can help control cocaine use.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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Feb 2028
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 55 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: 1. able to speak/read English, 2. not seeking treatment for drug use at the time of the study, 3. female or male between the ages of 18 and 55 years, 4. recent smoked or intravenous cocaine use verified by benzoylecgonine positive urine, as well as fulfillment of DSM-5 diagnostic criteria for CUD, 5. judged to be medically and psychiatrically healthy by study physicians other than the diagnosis for CUD at the time of screening, 6. ECG, read by a cardiologist, within normal limits, 7. females using an effective form of birth control and not pregnant or breastfeeding and 8) no known contraindications or allergies to pentoxifylline. Exclusion Criteria: 1. unable to speak/read English, 2. seeking treatment for drug use, 3. under 18 years or over 55 years, 4. no recent smoked or intravenous cocaine use as indicated by benzoylecgonine negative urine and no DSM-5 diagnosis of CUD, 5. judged to be medically or psychiatrically unhealthy by study physicians at the time of screening, 6. ECG, read by a cardiologist, outside normal limits, 7. females not using an effective form of birth control or pregnant or breastfeeding, 8. contraindications or allergies to pentoxifylline, and 9. Self-reported history of head trauma, seizure, CNS tumors, or use of concomitant medications that lower seizure threshold, or first-degree family history of seizures.
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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
1 site. 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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Psychopharmacology of Addiction Laboratory
RECRUITINGLexington, Kentucky, 40507, United States
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