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A Phase 3 Trial to Look at the Safety and Effectiveness of Ustekinumab in Korean and Taiwanese Subjects With Moderate to Severe Plaque-type Psoriasis

C

Centocor Ortho Biotech

Status and phase

Completed
Phase 3

Conditions

Psoriasis

Treatments

Drug: Ustekinumab 45 mg - after CP
Drug: Ustekinumab 45 mg - CP
Drug: Placebo to ustekinumab 45 mg - after CP
Drug: Placebo - Controlled Period (CP)

Study type

Interventional

Funder types

Industry

Identifiers

NCT00747344
CR015313

Details and patient eligibility

About

The purpose of this study is to evaluate the efficacy and safety of Ustekinumab in the treatment of patients with moderate to severe psoriasis in South Korea and Taiwan.

Full description

This is phase 3, multicenter, randomized, placebo-controlled double-blind, parallel study of subcutaneous injection of placebo and ustekinumab 45mg in Taiwanese and Korean patients with moderate to severe plaque psoriasis. Ustekinumab is an experimental medicine that is being tested to see if it may be useful in treating moderate to severe psoriasis. The patients will receive either ustekinumab or placebo at week 0 or week 4, and will be followed up through week 36. Patients who randomized (study drug assigned by chance) to placebo will cross over to ustekinumab 45mg group at week 12 and week 16 .The effectiveness of ustekinumab will be compared with placebo treated patients at week 12. Safety information will be collected through week 36. Patients randomized to ustekinumab will receive placebo at week 12 to maintain the blind and additional dose of 45mg at week 16. This study will be conducted in approximately 13 sites in South Korea and Taiwan and will include approximately 120 patients with approximately 60 patients in each country. This study is "blinded." This means that neither you nor your study doctor will know in which group you are placed. However, in case of medical emergency, your study doctor can quickly find out which treatment group you are in. You may get either ustekinumab or placebo (which looks like the medicine being studied but has no active ingredients) at the start of the study. All patients in the study will eventually receive Ustekinumab after week 12. Patients assigned to the ustekinumab will receive 45 mg subcutaneously at weeks 0, 4 and 16; and placebo at week 12. Patiens assigned to placebo will receive subcutaneous injections of placebo at weeks 0 and 4; then crossover to 45 mg of ustekinumab at weeks 12 and 16. Duration of study participation up to 36 weeks.

Enrollment

121 patients

Sex

All

Ages

20+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Must be of Taiwanese or Korean ancestry living in Taiwan or South Korea, respectively
  • Have a diagnosis of plaque-type psoriasis at least 6 months prior to first administration of study agent (patients with concurrent psoriatic arthritis may be enrolled)
  • Have plaque-type psoriasis covering at least 10% of total body surface area at screening and at the time of first study agent administration
  • PASI score of 12 or greater at the time of screening and at time of first study agent administration
  • Candidate of phototherapy or systemic treatment of psoriasis (either naïve or history of previous treatment)
  • Be able to adhere to the study visit schedule and other protocol requirements
  • Capable of giving informed consent prior to any study related procedures.

Exclusion criteria

  • Currently have a non-plaque form of psoriasis
  • Have current drug-induced psoriasis
  • Are pregnant or nursing or planning pregnancy (both men and women) while enrolled in the study
  • Have used any investigational drug within the previous 4 weeks or 5 times the half life of the investigational agent, whichever is longer
  • Have used any biologic within the previous 3 months or 5 times the half life of the biologic, whichever is longer
  • Have been hospitalized in the past 3 years for asthma, ever required intubation for treatment of asthma, currently require oral corticosteroids for the treatment of asthma, or required more than one short-term course of oral corticosteroids for asthma within the previous year
  • Have a history of latent or active granulomatous infection, including TB, histoplasmosis, or coccidioidomycosis prior to screening.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

121 participants in 4 patient groups, including a placebo group

Placebo - Controlled Period (CP)
Placebo Comparator group
Treatment:
Drug: Placebo - Controlled Period (CP)
Ustekinumab 45 mg - CP
Experimental group
Treatment:
Drug: Ustekinumab 45 mg - CP
Placebo to ustekinumab 45 mg - after CP
Experimental group
Treatment:
Drug: Placebo to ustekinumab 45 mg - after CP
Ustekinumab 45 mg - after CP
Experimental group
Treatment:
Drug: Ustekinumab 45 mg - after CP

Trial contacts and locations

5

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Data sourced from clinicaltrials.gov

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