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The Effect of Levetiracetam on the Postmastectomy Pain Syndrome

O

Odense University Hospital

Status

Completed

Conditions

Postoperative Pain

Treatments

Drug: Levetiracetam (drug)

Study type

Interventional

Funder types

Other

Identifiers

NCT00262262
PubliRC CNS 085 TA 1007 LEV
KIIS

Details and patient eligibility

About

The aim of this study is determine whether or not the antiepileptic drug Levetiracetam is an effective treatment of the postmastectomy pain syndrome.

Full description

This study is a randomised, placebocontrolled, doubleblind study on the effect of the antiepileptic drug, levetiracetam, in patients suffering from PMPS. The treatment periods are 1 month each and the periods are separated by a 1-week washout period. The daily dose of levetiracetam is increased over a 2-week period to 3.000 mg/day. The primary effect variable is pain relief by the use of numeric rating scale. Secondary parameters are daily registration of pain performed by the patients during the treatment periods and the amount of escape medicine used (paracetamol and tramadol). Sensory testing is performed at baseline and after each treatment period.

Enrollment

25 patients

Sex

Female

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Symptoms characteristic for postmastectomy pain syndrome with a duration of more than 3 months and at least 6 months after the operation.
  • Neuropathic pain diagnose confirmed by abnormities in the neurological investigation and/or psychophysical sensory testing
  • Average (1 week) pain score minimum 4 on a 11 points numerical rating scale for total pain.
  • Pain present minimum 4 out of 7 days.
  • Fertile women must use anticonception.

Exclusion criteria

  • Verified og suspected other reason than mastectomy/lumpectomy for the pain.
  • Known allergic effects to levetiracetam.
  • Known sideeffects to treatment with levetiracetam.
  • Pregnancy or breast-feeding.
  • Severe disease (terminal cancer, heart failure, kidney insufficiency, severe respiratory problems)
  • Compliance problems

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Quadruple Blind

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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