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JAMA Dermatol. 2019 Mar 1;155(3):315-320. doi: 10.1001/jamadermatol.2018.5052.

Evaluation of Clinical Compendia Used for Medicare Part D Coverage Determinations for Off-label Prescribing in Dermatology.

Author information

1
Department of Dermatology, University of Pennsylvania, Philadelphia.
2
Medical Student, University of Illinois College of Medicine, Chicago.
3
Department of Dermatology, Brigham and Women's Hospital, Boston, Massachusetts.
4
Division of Dermatology, Department of Medicine, J. H. Stroger, Jr, Hospital of Cook County, Chicago, Illinois.
5
Department of Dermatology, Rush Medical College, Chicago, Illinois.

Abstract

Importance:

When making coverage determinations for off-label prescribing, Medicare Part D recognizes 2 compendia: the American Hospital Formulary Service (AHFS) Drug Information and the DRUGDEX Information System. Deficiencies in the accuracy and completeness of these compendia could result in coverage denials for necessary, effective, evidence-based treatments.

Objective:

To evaluate these compendia for dermatologic conditions, with a focus on less common conditions that often require systemic treatment.

Design, Setting, and Participants:

This cross-sectional study was conducted from July 1, 2018, through September 30, 2018. To identify diseases for which dermatologists may often need access to off-label systemic treatments, a list of 22 chronic, noninfectious, nonneoplastic diseases with at least 4 systemic therapies (including 1 in the first-line therapies and less than 25% approved by the US Food and Drug Administration) were selected for evaluation. With use of Treatment of Skin Disease, 5th Edition, a list of first-, second-, and third-line medications was created, including the level of evidence for each disease. A search of AHFS and DRUGDEX compendia was performed to evaluate for inclusion of the evidence-based therapies. In addition, the references cited in the compendia to justify inclusion of the therapy were examined qualitatively.

Main Outcomes and Measures:

Percentage of treatment options included in each compendium, stratified by level of evidence and position on the therapeutic ladder. Concordance between the 2 compendia was assessed using Cohen κ.

Results:

Overall, 73 of 238 treatments (30.7%) evaluated were included in either compendium. Among individual diseases, 10 of 22 (45%) had 1 or fewer treatments included in the DRUGDEX compendium and 15 of 22 (68%) had 1 or fewer treatments included in the AHFS compendium. Discrepancies in which a medication was included in one compendium but not in the other compendium occurred for 53 of the 238 medications (22.3%) evaluated. Literature use did not follow a discernible pattern and was often based on decades-old sources.

Conclusions and Relevance:

The findings suggest that treatment options listed in these compendia are incomplete, outdated, idiosyncratic, and unpredictable. To ensure that patients can access treatments for their disease, it appears that policies to reduce the reliance on these compendia for coverage determinations should be developed.

PMID:
30673082
PMCID:
PMC6439906
DOI:
10.1001/jamadermatol.2018.5052
[Indexed for MEDLINE]
Free PMC Article

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