Tramadol Extended-Release (ER) for Posttraumatic Stress Disorder (PTSD)

Status Completed

Clinical Trial Summary

This was a six-week pilot study testing the efficacy of tramadol extended-release (ER) for posttraumatic stress disorder (PTSD). Men and women aged 21-55 years with combat-related PTSD or PTSD resulting from a civilian trauma were recruited. Blinded tramadol ER was begun with a 100 mg daily dose for the first week, with an option to increase to 200 mg/day for the 2nd week. Dose adjustments, using a range of 100-300 mg tramadol ER per day (or 1 to 3 placebo tabs), were permitted thereafter. The primary hypothesis was that tramadol ER 100 to 300 mg every morning for 6 weeks would reduce the symptoms of PTSD relative to placebo. The primary outcome measures were PTSD symptoms as rated by the Clinician-Administered PTSD Scale (CAPS) and Clinicians Global Impressions scale at baseline and weeks one, two, four, and six.

Clinical Trial Description

This was a single-site, double-blind, placebo-controlled, randomized, 6-week, parallel-group, flexible-dose outpatient trial of tramadol ER 100-300 mg once every morning for PTSD. Double-blinded clinical outcome measures were obtained during screening, and at weeks 0 (pre-randomization), 1, 2, 4, and 6; outcome was also assessed at week 7, the follow-up and study discharge visit, which occurred one week after the discontinuation of study medicine. Tramadol ER (or placebo) was started at 100 mg daily and increased weekly over the next two weeks, as tolerated, to a maximum of 300 mg daily. Dose change was also permitted at week 4. Matching drug and placebo were prepared by a research pharmacy using over-encapsulation in locking DB capsules supplied by Capsugel. Lactose was used as a filler to attain uniformity in weight. Randomization used a 1:1 allocation ratio and was via a block design, with stratification by military service. Other than the research pharmacists, all study personnel, all staff, and all subjects were blind. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01517711
Study type	Interventional
Source	INTRuST, Post-Traumatic Stress Disorder - Traumatic Brain Injury Clinical Consortium
Contact
Status	Completed
Phase	Phase 4
Start date	September 2011
Completion date	August 2015

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.