Preoperative Gabapentine for Carpal Tunnel

This study has been completed.
Information provided by (Responsible Party):
Rioko Kimiko Sakata, Federal University of São Paulo Identifier:
First received: June 28, 2012
Last updated: March 11, 2013
Last verified: March 2013

The purpose of this study was to evaluate the postoperative analgesic effect of preoperative gabapentine for carpal tunnel syndrome surgery.

Condition Intervention Phase
Carpal Tunnel Syndrome
Drug: Gabapentine
Other: Sugar pill
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Effect of Preoperative Gabapentine for Carpal Tunnel Syndrome

Resource links provided by NLM:

Further study details as provided by Federal University of São Paulo:

Primary Outcome Measures:
  • Pain intensity [ Time Frame: 3 months ] [ Designated as safety issue: No ]

Enrollment: 40
Study Start Date: March 2010
Study Completion Date: March 2012
Primary Completion Date: August 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: preoperative gabapentine,
Drug: Gabapentine
Gabapentine 600 mg 01 dose
Other Name: Anticonvulsant
Placebo Comparator: sugar pill
Placebo group
Other: Sugar pill
Sugar pill 01 dose

Detailed Description:

There was studied 40 patients. Group 1 patients received 600 mg of gabapentin 1 hour before surgery; G2 received placebo 1 hour before surgery.

Anesthesia was regional intravenous block. Postoperative analgesia when needed was with acetaminophen. If needed was administered codeine. The evaluation of neuropathic pain was made by DN4 questionnaire. Pain intensity was assessed by numeric scale at block and after 30min, 1h, 2h, 2wk, 4wk, 6m. It was noted the duration of analgesia, and the amount of acetaminophen and codeine.

The statistical program used for analysis of the results was the Instat Graph


Ages Eligible for Study:   18 Years to 60 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • carpal tunnel syndrome

Exclusion Criteria:

  • disorientation, psychiatric disease, myocardial ischemia, hypertension, arrhythmia, another pain syndrome, drug user, and pregnant
  Contacts and Locations
Please refer to this study by its identifier: NCT01632215

Sponsors and Collaborators
Federal University of São Paulo
Study Director: Rioko K Sakata, PhD Universidade Federal de São Paulo
  More Information

No publications provided

Responsible Party: Rioko Kimiko Sakata, Pain Clinic Director, Federal University of São Paulo Identifier: NCT01632215     History of Changes
Other Study ID Numbers: CEP 0223/09
Study First Received: June 28, 2012
Last Updated: March 11, 2013
Health Authority: Brazil: National Committee of Ethics in Research

Keywords provided by Federal University of São Paulo:
postoperative pain

Additional relevant MeSH terms:
Carpal Tunnel Syndrome
Median Neuropathy
Peripheral Nervous System Diseases
Neuromuscular Diseases
Nervous System Diseases
Nerve Compression Syndromes
Cumulative Trauma Disorders
Sprains and Strains
Wounds and Injuries
Central Nervous System Agents
Therapeutic Uses
Pharmacologic Actions processed this record on April 17, 2014