Incremental costs of enrolling cancer patients in clinical trials: A population-based study

Judith L. Wagner, Steven R. Alberts, Jeff A. Sloan, Steven Cha, Jill Killian, Michael J. O'Cornell, Priscilla Van Grevenhof, Jed Lindman, Christopher G. Chute

Research output: Contribution to journalArticle

71 Scopus citations

Abstract

Background: Payment for care provided as part of clinical research has become less predictable as a result of managed care. Because little is known at present about how entry into cancer trials affects the cost of care for cancer patients, we conducted a matched case-control comparison of the incremental medical costs attributable to participation in cancer treatment trials. Methods: Case patients were residents of Olmsted County, MN, who entered phase II or phase III cancer treatment trials at the Mayo Clinic from 1988 through 1994. Control patients were patients who did not enter trials but who were eligible on the basis of tumor registry matching and medical record review. Sixty-one matched pairs were followed for up to 5 years after the date of trial entry for case patients or from an equivalent date for control patients. Hospital, physician, and ancillary service costs were estimated from a population-based cost database developed at the Mayo Clinic. Results: Trial enrollees incurred modestly (no more than 10%) higher costs over various follow-up periods. The mean cumulative 5-year cost in 1995 inflation-adjusted U.S. dollars among trial enrollees after adjustment for censoring was $46424 compared with $44 133 for control patients. After 1 year, trial enrollee costs were $24645 compared with $23964 for control patients. Conclusions: This study suggests that cancer chemotherapy trials may not imply budget-breaking costs. Cancer itself is a high-cost illness. Clinical protocols may add relatively little to that cost.

Original languageEnglish (US)
Pages (from-to)847-853
Number of pages7
JournalJournal of the National Cancer Institute
Volume91
Issue number10
DOIs
StatePublished - May 19 1999

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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