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COMPARATIVE STUDY
JOURNAL ARTICLE
REVIEW
Transdermal fentanyl.
Annals of Pharmacotherapy 1992 November
OBJECTIVE: To review the use of transdermal fentanyl for the treatment of moderate to severe chronic pain. The article provides background on the pharmacology and pharmacokinetics of the drug, as well as the properties of the transdermal system. In addition, clinical trials, adverse effects, and therapeutic considerations and recommendations are presented.
DATA SOURCES: Clinical trials, review articles, and reference texts.
STUDY SELECTION: Comparative clinical trials involving the use of transdermal fentanyl on postoperative and chronic pain patients.
DATA EXTRACTION: Data from clinical human trials published in the English language were reviewed. Trials were assessed by sample size, opioid dosage regimen, and therapeutic outcome.
DATA SYNTHESIS: Transdermal fentanyl was found to be effective in the control of chronic and postoperative pain. In one trial the overall patient satisfaction with pain control was 79 percent for the transdermal fentanyl group and 44 percent for the placebo group. In another trial, the amount of additional parenteral morphine was significantly lower for the group receiving transdermal fentanyl than for the placebo group (49.9 +/- 4.9 vs. 77.0 +/- 6.3 mg, respectively, p < 0.01). The most common adverse effects recorded were nausea (45-85 percent), pruritus (14-60 percent), and sedation (40-59 percent). The cost of analgesic therapy with this delivery system is higher than that of parenteral opioid analgesia, but less than patient-controlled analgesia.
CONCLUSIONS: The transdermal fentanyl formulation offers some minor advantages over other forms of conventional pain management. Results of early clinical trials are promising, but more studies are needed to evaluate its long-term effectiveness and adverse effects. Specifically, comparisons with standard parenteral and patient-controlled opioid analgesia in chronic malignant and nonmalignant pain are necessary for adequate evaluation of transdermal fentanyl.
DATA SOURCES: Clinical trials, review articles, and reference texts.
STUDY SELECTION: Comparative clinical trials involving the use of transdermal fentanyl on postoperative and chronic pain patients.
DATA EXTRACTION: Data from clinical human trials published in the English language were reviewed. Trials were assessed by sample size, opioid dosage regimen, and therapeutic outcome.
DATA SYNTHESIS: Transdermal fentanyl was found to be effective in the control of chronic and postoperative pain. In one trial the overall patient satisfaction with pain control was 79 percent for the transdermal fentanyl group and 44 percent for the placebo group. In another trial, the amount of additional parenteral morphine was significantly lower for the group receiving transdermal fentanyl than for the placebo group (49.9 +/- 4.9 vs. 77.0 +/- 6.3 mg, respectively, p < 0.01). The most common adverse effects recorded were nausea (45-85 percent), pruritus (14-60 percent), and sedation (40-59 percent). The cost of analgesic therapy with this delivery system is higher than that of parenteral opioid analgesia, but less than patient-controlled analgesia.
CONCLUSIONS: The transdermal fentanyl formulation offers some minor advantages over other forms of conventional pain management. Results of early clinical trials are promising, but more studies are needed to evaluate its long-term effectiveness and adverse effects. Specifically, comparisons with standard parenteral and patient-controlled opioid analgesia in chronic malignant and nonmalignant pain are necessary for adequate evaluation of transdermal fentanyl.
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