Clinical trial safety and mortality analyses in patients receiving etanercept across approved indications

Alice B. Gottlieb*, Kenneth Gordon, Edward H. Giannini, Philip Mease, Juan Li, Yun Chon, Judy Maddox, Haoling H. Weng, Joseph Wajdula, Shao Lee Lin, Scott W. Baumgartner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

Objectives: Assessment of associations between etanercept treatment and rare adverse events has been limited by the size of clinical trial populations. The authors examined the collective safety of etanercept in clinical trials across approved indications. Patients and Methods: Forty-nine U.S. and non-U.S. trials of etanercept, involving up to 13,977 patients for approved indications, with final trial reports as of May 2006, were selected from the Amgen Inc. clinical trials database. Exposure-adjusted rates of serious infections, opportunistic infections, malignancies and deaths were reported by trial, indication and dosage. Results: Rates of serious infections were generally similar between etanercept and controls. Overall rates of opportunistic infections and tuberculosis were low. The standardized incidence ratio (SIR) (95% CI) for malignancy was 1.00 (0.83-1.19) for all etanercept patients across all indications. The SIR for lymphoma for patients with rheumatoid arthritis was 3.45 (1.83-5.89); all other indications reported SIRs similar to those observed in the general population. The SIRs for cutaneous squamous cell carcinoma in patients with psoriasis relative to the general population with high or low sun exposure were 2.09 (1.27-3.22) and 4.96 (3.03-7.66), respectively. SIRs were less than 1.0 for all other indications regardless of sun exposure. Rates of melanoma and basal cell carcinoma were not significantly different from those in the general population. There was no increase in mortality associated with etanercept use relative to control populations. Conclusion: These data support the overall tolerability of etanercept across approved indications.

Original languageEnglish (US)
Pages (from-to)289-300
Number of pages12
JournalJournal of Drugs in Dermatology
Volume10
Issue number3
StatePublished - Mar 2011

ASJC Scopus subject areas

  • Dermatology

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