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Recruiting NCT02502162

Low-Dose Naltrexone for the Treatment of Complex Regional Pain Syndrome

No phase Interventional Complex Regional Pain Syndrome

For patients and families

In plain language

An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.

What is being studied
The protocol lists: LDN, Placebo.
Who it may be relevant to
Registry conditions: Complex Regional Pain Syndrome. Basic parameters: 18 years — 70 years · All.
What needs checking
Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
Where it takes place
United States
Next step
Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →

Overview

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.

Interventions

  • Drug LDN
  • Drug Placebo
    Sugar pill

Primary outcome measures

  • Changes in pain severity [Time frame: Approximately 4 weeks after conclusion of treatment.]

Eligibility criteria

Inclusion criteria

  • 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.

Exclusion criteria

  • Any known allergy to naltrexone or naloxone
  • Use of prescription opioid analgesics or illegal opioid use
  • Current or planned pregnancy.

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: No

Study design

Allocation
Randomized
Model
Parallel assignment
Masking
Quadruple blind
Primary purpose
Treatment

Study locations

United States · 1 center
  • Stanford University — Palo Alto

Identifiers

NCT: NCT02502162 · 33607

Primary sources (government registries)

View this study on ClinicalTrials.gov ↗