Comparison of Etanercept Monotherapy and Combination Therapy with Methotrexate in Psoriatic Arthritis: Results from 2 Clinical Trials

From the Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University, Montpellier, France; CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology, Frankfurt am Main, Germany; Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath, Bath; Statistical Consultancy, Quanticate, Hitchin; Pfizer United Kingdom, Tadworth, UK; Pfizer Europe, Rome, Italy. Sponsored by Pfizer. Dr. Combe, Dr. Behrens, and Dr. McHugh have received honoraria and research grants from Pfizer. Ms. Brock was paid by Pfizer to provide statistical input to the study and manuscript. Dr. Kerkmann was a former employee of Pfizer. Drs. Kola and Gallo are employees of Pfizer. B. Combe, MD, Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University; F. Behrens, MD, CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology; N. McHugh, MD, Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath; F. Brock, MSc, Statistical Consultancy, Quanticate; U. Kerkmann, MD, former employee of Pfizer Europe; B. Kola, MD, Pfizer United Kingdom; G. Gallo, MD, Pfizer Europe. Address correspondence to Dr. B. Combe, Rheumatology Department, Lapeyronie Hospital, 371 Avenue du Doyen G. Giraud, 34295 Montpellier Cedex 5, France. E-mail: b-combe@chu-montpellier.fr. Accepted for publication February 26, 2016.

From the Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University, Montpellier, France; CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology, Frankfurt am Main, Germany; Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath, Bath; Statistical Consultancy, Quanticate, Hitchin; Pfizer United Kingdom, Tadworth, UK; Pfizer Europe, Rome, Italy. Sponsored by Pfizer. Dr. Combe, Dr. Behrens, and Dr. McHugh have received honoraria and research grants from Pfizer. Ms. Brock was paid by Pfizer to provide statistical input to the study and manuscript. Dr. Kerkmann was a former employee of Pfizer. Drs. Kola and Gallo are employees of Pfizer. B. Combe, MD, Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University; F. Behrens, MD, CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology; N. McHugh, MD, Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath; F. Brock, MSc, Statistical Consultancy, Quanticate; U. Kerkmann, MD, former employee of Pfizer Europe; B. Kola, MD, Pfizer United Kingdom; G. Gallo, MD, Pfizer Europe. Address correspondence to Dr. B. Combe, Rheumatology Department, Lapeyronie Hospital, 371 Avenue du Doyen G. Giraud, 34295 Montpellier Cedex 5, France. E-mail: b-combe@chu-montpellier.fr. Accepted for publication February 26, 2016.

From the Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University, Montpellier, France; CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology, Frankfurt am Main, Germany; Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath, Bath; Statistical Consultancy, Quanticate, Hitchin; Pfizer United Kingdom, Tadworth, UK; Pfizer Europe, Rome, Italy. Sponsored by Pfizer. Dr. Combe, Dr. Behrens, and Dr. McHugh have received honoraria and research grants from Pfizer. Ms. Brock was paid by Pfizer to provide statistical input to the study and manuscript. Dr. Kerkmann was a former employee of Pfizer. Drs. Kola and Gallo are employees of Pfizer. B. Combe, MD, Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University; F. Behrens, MD, CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology; N. McHugh, MD, Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath; F. Brock, MSc, Statistical Consultancy, Quanticate; U. Kerkmann, MD, former employee of Pfizer Europe; B. Kola, MD, Pfizer United Kingdom; G. Gallo, MD, Pfizer Europe. Address correspondence to Dr. B. Combe, Rheumatology Department, Lapeyronie Hospital, 371 Avenue du Doyen G. Giraud, 34295 Montpellier Cedex 5, France. E-mail: b-combe@chu-montpellier.fr. Accepted for publication February 26, 2016.

From the Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University, Montpellier, France; CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology, Frankfurt am Main, Germany; Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath, Bath; Statistical Consultancy, Quanticate, Hitchin; Pfizer United Kingdom, Tadworth, UK; Pfizer Europe, Rome, Italy. Sponsored by Pfizer. Dr. Combe, Dr. Behrens, and Dr. McHugh have received honoraria and research grants from Pfizer. Ms. Brock was paid by Pfizer to provide statistical input to the study and manuscript. Dr. Kerkmann was a former employee of Pfizer. Drs. Kola and Gallo are employees of Pfizer. B. Combe, MD, Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University; F. Behrens, MD, CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology; N. McHugh, MD, Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath; F. Brock, MSc, Statistical Consultancy, Quanticate; U. Kerkmann, MD, former employee of Pfizer Europe; B. Kola, MD, Pfizer United Kingdom; G. Gallo, MD, Pfizer Europe. Address correspondence to Dr. B. Combe, Rheumatology Department, Lapeyronie Hospital, 371 Avenue du Doyen G. Giraud, 34295 Montpellier Cedex 5, France. E-mail: b-combe@chu-montpellier.fr. Accepted for publication February 26, 2016.

From the Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University, Montpellier, France; CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology, Frankfurt am Main, Germany; Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath, Bath; Statistical Consultancy, Quanticate, Hitchin; Pfizer United Kingdom, Tadworth, UK; Pfizer Europe, Rome, Italy. Sponsored by Pfizer. Dr. Combe, Dr. Behrens, and Dr. McHugh have received honoraria and research grants from Pfizer. Ms. Brock was paid by Pfizer to provide statistical input to the study and manuscript. Dr. Kerkmann was a former employee of Pfizer. Drs. Kola and Gallo are employees of Pfizer. B. Combe, MD, Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University; F. Behrens, MD, CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology; N. McHugh, MD, Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath; F. Brock, MSc, Statistical Consultancy, Quanticate; U. Kerkmann, MD, former employee of Pfizer Europe; B. Kola, MD, Pfizer United Kingdom; G. Gallo, MD, Pfizer Europe. Address correspondence to Dr. B. Combe, Rheumatology Department, Lapeyronie Hospital, 371 Avenue du Doyen G. Giraud, 34295 Montpellier Cedex 5, France. E-mail: b-combe@chu-montpellier.fr. Accepted for publication February 26, 2016.

From the Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University, Montpellier, France; CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology, Frankfurt am Main, Germany; Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath, Bath; Statistical Consultancy, Quanticate, Hitchin; Pfizer United Kingdom, Tadworth, UK; Pfizer Europe, Rome, Italy. Sponsored by Pfizer. Dr. Combe, Dr. Behrens, and Dr. McHugh have received honoraria and research grants from Pfizer. Ms. Brock was paid by Pfizer to provide statistical input to the study and manuscript. Dr. Kerkmann was a former employee of Pfizer. Drs. Kola and Gallo are employees of Pfizer. B. Combe, MD, Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University; F. Behrens, MD, CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology; N. McHugh, MD, Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath; F. Brock, MSc, Statistical Consultancy, Quanticate; U. Kerkmann, MD, former employee of Pfizer Europe; B. Kola, MD, Pfizer United Kingdom; G. Gallo, MD, Pfizer Europe. Address correspondence to Dr. B. Combe, Rheumatology Department, Lapeyronie Hospital, 371 Avenue du Doyen G. Giraud, 34295 Montpellier Cedex 5, France. E-mail: b-combe@chu-montpellier.fr. Accepted for publication February 26, 2016.

From the Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University, Montpellier, France; CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology, Frankfurt am Main, Germany; Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath, Bath; Statistical Consultancy, Quanticate, Hitchin; Pfizer United Kingdom, Tadworth, UK; Pfizer Europe, Rome, Italy. Sponsored by Pfizer. Dr. Combe, Dr. Behrens, and Dr. McHugh have received honoraria and research grants from Pfizer. Ms. Brock was paid by Pfizer to provide statistical input to the study and manuscript. Dr. Kerkmann was a former employee of Pfizer. Drs. Kola and Gallo are employees of Pfizer. B. Combe, MD, Rheumatology Department, Lapeyronie Hospital, Montpellier 1 University; F. Behrens, MD, CIRI/Rheumatology, Goethe-University and Fraunhofer IME, Translational Medicine and Pharmacology; N. McHugh, MD, Royal National Hospital for Rheumatic Diseases and Department of Pharmacy and Pharmacology, University of Bath; F. Brock, MSc, Statistical Consultancy, Quanticate; U. Kerkmann, MD, former employee of Pfizer Europe; B. Kola, MD, Pfizer United Kingdom; G. Gallo, MD, Pfizer Europe. Address correspondence to Dr. B. Combe, Rheumatology Department, Lapeyronie Hospital, 371 Avenue du Doyen G. Giraud, 34295 Montpellier Cedex 5, France. E-mail: b-combe@chu-montpellier.fr. Accepted for publication February 26, 2016.