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CompletedPhase 2

Gabapentin and Tizanidine for Insomnia in Chronic Pain

Key facts

Who runs it
University of California, San Diego
Where
La Jolla, United StatesSee the site
Trial code
Status
Completed
Phase
Phase 2
People taking part
9 people enrolled
Started
29 Jul 2020
Ended
1 Dec 2024
Type of study
Interventional, 3 groupsOne group gets a placebo (a dummy treatment), for comparison.
Treatments tested
  • Gabapentin
  • Placebo
  • Tizanidine
Record updated
3 January 2025

Who can take part

Age
18 years to 65 years
Sex
Women and men
Healthy volunteers
Cannot take part

The registry criteria, word for word

Show all 17 criteriaShow less

Who can take part

  • BMI ≤ 35
  • Any ethnicity
  • Must be able to communicate in English
  • Must have access to email and be able to respond to REDCap questionnaires in English
  • Has a chronic pain condition (≥ 3 months of pain)
  • Reports sleep disturbance and scores ≥ 6 on AIS questionnaire
  • Ability to provide informed consent

Who cannot take part

  • Prior syncope experience and/or fear of blood/needles (if a blood draw is required)
  • Has diagnosis of chronic kidney disease
  • Allergy to, or intolerance of, any of tizanidine or gabapentin
  • Has known QT prolongation >500 msec on prior EKG
  • Pregnancy
  • Breastfeeding
  • Inability to complete daily questionnaires
  • Shift workers
  • Anticipated travel across multiple time zones (jetlag) during the duration of the trial
  • Circadian misalignment

Where in United States

  • Center for Pain Medicine, UC San DiegoLa Jolla, United StatesNo longer taking part

About the trial

What the trial wants to find out

This is a double-blind, placebo-controlled, randomized, crossover trial aimed at assessing the effect of gabapentin and tizanidine, two pain medications, on insomnia in chronic pain patients.

The 3 groups in the trial

  • Tizanidine 2mgTreatment being tested

    Friday night: 1 capsule Saturday night: 2 capsules Sunday night: Subject chooses 1-2 capsules

    Treatment: Tizanidine

  • Gabapentin 300mgTreatment being tested

    Friday night: 1 capsule Saturday night: 2 capsules Sunday night: Subject chooses 1-2 capsules

    Treatment: Gabapentin

  • PlaceboPlacebo, for comparison

    Friday night: 1 capsule Saturday night: 2 capsules Sunday night: Subject chooses 1-2 capsules

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
Effect of Gabapentin and Tizanidine on Insomnia in Chronic Pain Patients: A Randomized, Double-blind, Placebo-controlled Crossover Trial.
Record updated
3 January 2025