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Clinical Trials/NCT00493324
NCT00493324CompletedPhase 4

An Open-Label Phase 4 Study in Adult Patients With Chronic Plaque Psoriasis to Evaluate the Immune Response to Pneumococcal Vaccine in Subjects Treated With Alefacept

Astellas Pharma Inc0 sites43 target enrollmentStarted: July 2007Last updated:
Conditions
Interventions
Drugs

Trial Snapshot

Phase
Phase 4
Status
Completed
Enrollment
43
Primary Endpoint
The number and percentage of subjects with at least a 2-fold increase in 2 or more of 5 pneumococcal antibody titers.

Study Overview

Brief Summary

A vaccine causes the immune system to produce antibodies (immune response) to specific germs to protect the patient. This study evaluates the immune response to the pneumococcal vaccine in adults with Alefacept-treated chronic plaque psoriasis.

Detailed Description

This is a 1 arm study designed to evaluate the immune response to pneumococcal vaccine in adults with Alefacept-treated chronic plaque psoriasis.

Study Design

Study Type
Interventional
Allocation
Non Randomized
Intervention Model
Single Group
Primary Purpose
Prevention
Masking
None

Eligibility Criteria

Ages
18 Years to — (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Subject has chronic plaque psoriasis
  • Subject has at least 5% body surface area affected with psoriasis

Exclusion Criteria

  • Skin disorder other than plaque psoriasis in affected area
  • Previously immunized with any pneumococcal vaccine
  • Subject has pustular or erythrodermic psoriasis
  • Subject is immunocompromised
  • Six or more herpes simplex virus outbreaks per year
  • History or malignancy, chronic serious infection or hepatic disease

Arms & Interventions

1

Experimental

Intervention: alefacept (Drug)

1

Experimental

Intervention: polyvalent pneumococcal vaccine (Drug)

Outcomes

Primary Outcomes

The number and percentage of subjects with at least a 2-fold increase in 2 or more of 5 pneumococcal antibody titers.

Time Frame: 12 weeks

Secondary Outcomes

  • The number and percentage of subjects with an antibody response to pneumococcal antigens(12 weeks)

Investigators

Sponsor Class
Industry
Responsible Party
Sponsor

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