Accepted for Publication: July 10, 2011.
Author Contributions: Ms Wan and Dr Gelfand had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Abuabara, Kurd, Vittorio, and Gelfand. Acquisition of data: Wan, Abuabara, Musiek, Steinemann, Gelfand. Analysis and interpretation of data: Wan and Gelfand. Drafting of the manuscript: Wan. Critical revision of the manuscript for important intellectual content: Wan, Abuabara, Kurd, Musiek, Steinemann, Vittorio, and Gelfand. Statistical analysis: Wan and Gelfand. Obtained funding: Vittorio and Gelfand. Administrative, technical, and material support: Wan, Abuabara, and Kurd. Study supervision: Musiek, Vittorio, and Gelfand.
Financial Disclosure: Dr Vittorio has filed a patent application for the use of DNA polymerase inhibitors in inducing alopecia. Dr Gelfand served as consultant and investigator with Abbott, Amgen, Centocor, Genentech, Novartis, and Pfizer; consultant with Celgene, Covance, Galderma, Shire Pharmaceuticals, and Wyeth; and investigator with Shionogi.
Funding/Support: This study was supported in part by grants from the Department of Dermatology at the University of Pennsylvania (Dr Vittorio), the Edwin and Fannie Gray Hall Center for Human Appearance at the University of Pennsylvania (Dr Vittorio), National Institutes of Health training grant T32-AR07465 (Ms Wan and Dr Musiek), and the Doris Duke Clinical Research Fellowship (Dr Abuabara).
Role of the Sponsors: The sponsors had no role in the design and conduct of the study; in the collection, analysis, and interpretation of data; or in the preparation, review, or approval of the manuscript.
Additional Contributions: Jennifer Goldfarb, RN, Albana Oktrova, and Debbie Leahy, LPN, did an outstanding job coordinating the clinical trial associated with this study.