title: Integrating biologic agents into management of moderate-to-severe psoriasis: a consensus of the Canadian Psoriasis Expert Panel. February 27, 2004.
abstract: BACKGROUND
  Approximately 2% of people worldwide have psoriasis, with as many as 1 million people with psoriasis in Canada alone.1,2 The severity of psoriasis ranges from mild to severe. It can lead to substantial morbidity and psychological stress and have a profound negative impact on patient quality of life.3,4 Although available therapies reduce therapies reduce the extent and severity of the disease and improve quality of life,3 reports have indicated a patient preference for more aggressive therapy and a dissatisfaction with the effectiveness of current treatment options.5
  
  
  OBJECTIVE
  A Canadian Expert Panel, comprising Canadian dermatologists, convened in Toronto on 27 February 2004 to reach a consensus on unmet needs of patients treated with current therapies and how to include the pending biologic agents in and improve the current treatment algorithm for moderate-to-severe psoriasis. Current treatment recommendations suggest a stepwise strategy starting with topical agents followed by phototherapy and then systemic agents.3,6,7 The Panel evaluated the appropriate positioning of the biologic agents, once approved by Health Canada, for the treatment of moderate-to-severe psoriasis.
  
  
  METHODS
  The Panel reviewed available evidence and quality of these data on current therapies and from randomized, controlled clinical trials.8-14 Subsequently, consensus was achieved by small-group workshops followed by plenary discussion.
  
  
  RESULTS
  The Panel determined that biologic agents are an important addition to therapies currently available for moderate-to-severe psoriasis and proposed an alternative treatment algorithm to the current step wise paradigm.
  
  
  CONCLUSIONS
  The Panel recommended a new treatment algorithm for moderate-to-severe psoriasis whereby all appropriate treatment options, including biologic agents, are considered together and patients' specific characteristics and needs are taken into account when selecting the most appropriate treatment option.
authors.affiliation: Department of Dermatology, University of Western Ontario, London, Ontario, Canada. dgue@uwo.ca
authors.forename: Lyn
authors.initials: L
authors.lastname: Guenther
authors.forename: Richard G
authors.initials: RG
authors.lastname: Langley
authors.forename: Neil H
authors.initials: NH
authors.lastname: Shear
authors.forename: Robert
authors.initials: R
authors.lastname: Bissonnette
authors.forename: Vincent
authors.initials: V
authors.lastname: Ho
authors.forename: Charles
authors.initials: C
authors.lastname: Lynde
authors.forename: Eileen
authors.initials: E
authors.lastname: Murray
authors.forename: Kim
authors.initials: K
authors.lastname: Papp
authors.forename: Yves
authors.initials: Y
authors.lastname: Poulin
authors.forename: Catherine
authors.initials: C
authors.lastname: Zip
mesh_terms: D000077944:Alefacept; D000465:Algorithms; D000911:Antibodies, Monoclonal / Q000627:therapeutic use; D061067:Antibodies, Monoclonal, Humanized; D001691:Biological Therapy; D002170:Canada / Q000453:epidemiology; D017326:Clinical Trials, Phase III as Topic; D000075202:Contraindications; D003879:Dermatologic Agents / Q000627:therapeutic use; D000068800:Etanercept; D006801:Humans; D007074:Immunoglobulin G / Q000627:therapeutic use; D000069285:Infliximab; D020380:Needs Assessment; D010789:Phototherapy; D011565:Psoriasis / Q000453:epidemiology / Q000473:pathology / Q000628:therapy*; D011788:Quality of Life; D018124:Receptors, Tumor Necrosis Factor / Q000627:therapeutic use; D011993:Recombinant Fusion Proteins / Q000627:therapeutic use; D012720:Severity of Illness Index; D016896:Treatment Outcome
chemical_list: D000911:Antibodies, Monoclonal; D061067:Antibodies, Monoclonal, Humanized; D003879:Dermatologic Agents; D007074:Immunoglobulin G; D018124:Receptors, Tumor Necrosis Factor; D011993:Recombinant Fusion Proteins; D000069285:Infliximab; D000077944:Alefacept; D000068800:Etanercept; C472181:efalizumab