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Cancer. 2009 Jun 1;115(11):2571-9. doi: 10.1002/cncr.24279.

Fentanyl buccal tablet for the treatment of breakthrough pain in opioid-tolerant patients with chronic cancer pain: A long-term, open-label safety study.

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  • 1Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah 84112, USA. sharon.weinstein@hci.utah.edu

Erratum in

  • Cancer. 2009 Jul 15;115(14):3372.

Abstract

BACKGROUND:

This study assessed the long-term safety and tolerability of fentanyl buccal tablet (FBT) in opioid-tolerant patients with cancer and breakthrough pain (BTP) who were either naive to FBT or had completed 1 of 2 previous double-blind, placebo-controlled FBT studies (rollover patients).

METHODS:

Patients who were FBT-naive underwent titration to find a successful FBT dose. Rollover patients used a previously identified successful dose of FBT. Patients who achieved a successful dose were eligible to enter a maintenance phase (>or=12 months). Safety assessments included adverse events (AEs), physical and neurologic examinations, and clinical laboratory tests.

RESULTS:

Two hundred thirty-two patients were enrolled. A total of 112 entered titration; 79 identified a successful FBT dose, and 77 of these patients entered the maintenance phase along with 120 rollover patients (n = 197). AEs resulted in discontinuation of therapy for 33% of patients. The most common AEs were generally typical of opioids administered to cancer patients. All serious AEs were considered to be related to the patients' underlying conditions, except for 1 incident of FBT-related drug withdrawal syndrome. Sixty patients died after enrollment because of disease progression. Fifteen (6%) patients experienced >or=1 application-site AE, all of which were considered by investigators to be related to FBT.

CONCLUSIONS:

FBT was generally well tolerated and had a favorable safety profile in the long-term (>or=12 months) management of patients with persistent cancer pain and BTP. No unexpected AEs occurred. Safety and tolerability was similar to that observed in short-term studies.

(c) 2009 American Cancer Society.

PMID:
19373888
[PubMed - indexed for MEDLINE]
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