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In brachioradial pruritus and notalgia paraesthetica, the 8% capsaicin patch is a novel and effective, but cost-intense, therapy. Routine data for 44 patients were collected 6 months retrospectively and prospectively to first patch application. The cost to health insurance and the patient, and patient-reported outcomes were analysed (visual analogue scale, numerical rating scale, verbal rating scale for pruritus symptoms, Dermatological Life Quality Index, and Patient Benefit Index). Mean inpatient treatment costs were reduced by €212.31, and mean outpatient treatment and medication costs by €100.74 per patient (p.p.). However, these reductions did not offset the high cost of the patch itself (€767.02 p.p.); thus the total cost to health insurance increased by €453.97 p.p. (p ≤ 0.01). The additional costs of therapy to the patient decreased by €441.06, thus the overall cost p.p. remained approximately the same (€3,306.03 vs. €3,318.94). Capsaicin patch therapy resulted in reduced pruritus, improved quality of life and greater patient benefit, thus long-term cost-efficiency analyses are necessary.

Purpose: To compare both the efficacy and cost of nalbuphine and diphenhydramine in the treatment of intrathecal morphine-induced pruritus following Caesarean section., Methods: Eighty patients, undergoing elective Caesarean section under spinal anaesthesia, were randomized, in a prospective, double-blind trial, to receive either nalbuphine (Group NAL) or diphenhydramine (Group DIP) for the treatment of SAB morphine-induced pruritus. All patients received an intrathecal injection of 10-12 mg hyperbaric bupivacaine 0.75% and 200 micrograms preservative free morphine. Postoperative pruritus was assessed, using a visual analogue scale (VAS), for 24 hr. Pruritus treatment was administered upon patient request and by a nurse blinded to the treatment given. Patients who failed to respond to three doses of the study drug were deemed treatment failures. Patient satisfaction was assessed with a questionnaire given 24 to 48 hr after surgery. Direct drug costs were calculated based on the pharmacy provision costs as of April 1996., Results: Eighty patients were enrolled and 45 requested treatment for pruritus. Patients treated with NAL (n = 24) were more likely to achieve a VAS score of zero with treatment (83% vs 43%, P < 0.01), had a higher delta VAS following treatment (4 +/- 2 vs 2 +/- 2, P < 0.003), and experienced fewer treatment failures (4% vs 29%, P < 0.04), than those treated with DIP (n = 21). Group NAL patients were also more likely to rate their pruritus treatment as being good to excellent (96% vs 57%, P < 0.004). Direct drug costs were higher for NAL than for DIP ($6.4 +/- 3.1 vs $1.7 +/- 0.7, respectively, P < 0.0001)., Conclusion: Nalbuphine is more effective than diphenhydramine in relieving pruritus caused by intrathecal morphine and the cost differences are small.