Supportive Care in Cancer

, Volume 13, Issue 3, pp 188–193 | Cite as

Successful use of ketamine for intractable cancer pain

  • Dominique A. LossignolEmail author
  • Myriam Obiols-Portis
  • Jean-Jacques Body
Original Article


Goals and work

Despite medical awareness, intractable pain is a serious problem in cancer and occurs in up to 2% of advanced cancer patients. However, few data are available concerning the optimal treatment of such patients. The emergence of intractable pain may notably be due to the activation of N-methyl-D-aspartate (NMDA) receptors located in the central nervous system. NMDA antagonists might thus be an interesting approach in such pain syndromes.

Patients and methods

Twelve patients with intractable cancer pain received a test dose of 5–10 mg of ketamine, a strong NMDA antagonist, in order to determine their response and tolerance to the drug. Continuous intravenous infusions of ketamine associated with morphine were then administered.

Main results

The acute test dose was successful in all cases (VAS <3/10 after 5 min). The prolonged use of ketamine allowed us to reduce the total daily dose of morphine required (range: 200–1,200 mg) by 50% and allowed eight patients to go home with a portable pump with morphine and ketamine during a relatively long period of time (range: 7–350 days, median: 58 days). Side effects were moderate (dizziness) and they were limited to the test phase.


Our data suggest the importance of NMDA receptors in the genesis of chronic cancer pain and indicate that NMDA antagonists should be further studied for the management of cancer pain and, in particular, intractable pain.


Cancer pain Intractable pain Morphine Ketamine 


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Copyright information

© Springer-Verlag 2004

Authors and Affiliations

  • Dominique A. Lossignol
    • 1
    Email author
  • Myriam Obiols-Portis
    • 1
  • Jean-Jacques Body
    • 1
  1. 1.Institut Jules Bordet, Clinique des Soins Supportifs et des Soins Palliatifs, Service de médecine interneUniversité Libre de BruxellesBrusselsBelgium

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