Five-Year Observation of Remicade Treatment for Plaque Psoriasis in Austria (Study P04900)

Merck Sharp & Dohme LLC26 enrolled

Overview

Prospective, open-label-, 1-arm, multicenter observational study to determine the dose and interval of Infliximab infusions for subjects with plaque psoriasis.

This study population was chosen from a non-probability sample.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Psoriasis

Interventions

InfliximabBIOLOGICAL

Infliximab initial induction therapy consisting of 3 Infliximab infusions at weeks 0, 2, and 6 given in specialized centers. A maximum of 6 maintenance infusions will be given in doses and intervals due to the discretion of the physicians.

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * According to the European Summary of Product Characteristics (SPC): Adult subjects with moderate-to-severe plaque psoriasis who failed to respond to, or who have a contraindication to, or are intolerant to other systematic therapy including cyclosporine, methotrexate, or Psoralen-ultraviolet-A light (PUVA). Exclusion Criteria: * According to the European SPC: * Subjects with tuberculosis or other severe infections such as sepsis, abscesses, and opportunistic infections. * Subjects with moderate-to-severe heart failure (New York Heart Association (NYHA) class III/IV). * Subjects with a history of hypersensitivity to Infliximab or to other murine proteins or to any of the excipients. * Subjects with elevated liver enzymes (\>5 upper limit of normal (ULN)).

Outcomes

Primary Outcomes

Number of Therapies That Were Applied as Induction, Maintenance, or Episodic Therapies After One Infusion of Infliximab

The types of therapies were assessed according to the following criteria: Induction therapy: first infusion given at Week 0 (Baseline). Second infusion given at Week 2 (+/- 7 days). Third infusion given at Week 6 (+/- 7 days). Maintenance therapy: given in approximately 8-week (56-day) intervals (time window +4 weeks to -2 weeks). One infusion given out of the time window was accepted to be classified as maintenance therapy, if the remaining infusions were given within the time window (8 weeks, +4 to -2 weeks). Episodic Therapy: given out of time frame (\> 12 weeks).

Time frame: Maximum 2 years

Secondary Outcomes

Mean Time Interval Between Infliximab Infusions During Maintenance Treatment Following Induction Therapy

Time frame: Maximum 2 years

Median Time Interval Between Infliximab Infusions During Maintenance Treatment Following Induction Therapy

Time frame: Maximum 2 years

Mean Dose of Infliximab

Time frame: Maximum 2 years

Median Dose of Infliximab

Time frame: Maximum 2 years

Mean Percent Change From Baseline in Body Surface Area (BSA) Involved With Psoriasis After Treatment With Infliximab

BSA estimation was determined using the participant's handprint (palmar surface of palms plus five digits). The number of handprints that covered the affected skin area was counted. One handprint was approximately equivalent to 1 percent of the BSA; therefore, BSA was calculated in percentages. The change from Baseline in BSA was calculated by subtracting Baseline from infusion 9.

Time frame: Baseline and Infusion 9

Data from ClinicalTrials.gov

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