Metamizol for the Treatment of Neoplastic Chronic Pain

Analgesic Effect of a New Metamizol Oral Pharmaceutical Form for the Treatment of the Neoplastic Chronic Pain: Randomized, Double-blind Crossover Clinical Trial Between Metamizol, Diclofenac and Placebo

Study to evaluate the efficacy of metamizole in reducing morphine requirements in patients with moderate to severe chronic cancer pain in comparison to administration of placebo or diclofenac.

Inclusion Criteria:

• Hospitalized patients with neoplastic chronic pain requiring morphine treatment

Exclusion Criteria:

• Karnofsky index less than 30%