Low-Dose Naltrexone for the Treatment of Complex Regional Pain Syndrome
ConditionComplex Regional Pain Syndrome
Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-70
SponsorStanford University
The investigators are testing treatment with low-dose naltrexone (LDN) for symptom relief of complex regional pain syndrome (CRPS). Study participants will be randomly assigned to receive either LDN or placebo for a period of several weeks. During this period participants will be asked to attend either in-person or virtual study visits and complete questionnaires.
Upper and/or lower extremity CRPS
On stable treatment for 1 month
CRPS for at least 1 year
Meet the Budapest criteria for CRPS at time of the study.
Any known allergy to naltrexone or naloxone
Use of prescription opioid analgesics or illegal opioid use
Current or planned pregnancy.