CLEAR Study: Clinical Experience Acquired With Raptiva Study

Merck KGaA (EMD Serono)

Status and phase

Completed

Phase 3

Conditions

Moderate to Severe Psoriasis

Treatments

Drug: Raptiva

Study type

Interventional

Funder types

Industry

Identifiers

NCT00256139

24011

Details and patient eligibility

About

A multicentre, randomised, double blind, placebo controlled phase III study of subcutaneously administered Raptiva in the treatment of patients with moderate to severe psoriasis

Enrollment

793 patients

Sex

All

Ages

18 to 75 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Signed informed consent
Plaque psoriasis covering ³10% of total BSA (see Appendix A)
Diagnosis of psoriasis for at least 6 months
A minimum PASI score of 12.0 at screening (see Appendix A)
Patients who are either not controlled by, intolerant to or contraindicated to at least 2 currently available systemic therapies (e.g., photochemotherapy (PUVA), cyclosporin, corticosteroids, methotrexate, oral retinoids, MMF, thioguanine, hydroxyurea, sirolimus, azathioprine, 6 MP) (defined as "high need" patients)
Body weight <= £120 kg
18 to 75 years old
For women of childbearing potential, use of an acceptable method of contraception to prevent pregnancy and agreement to continue to practice an acceptable method of contraception for the duration of their participation in the study
Willingness to hold sun exposure reasonably constant and to avoid use of tanning booths or other UV light sources during the study
Willingness to enter Study

Exclusion criteria

Guttate, erythrodermic, or pustular psoriasis as sole or predominant form of psoriasis
History of severe allergic or anaphylactic reactions to humanised monoclonal antibodies or fusion proteins that contain an Ig Fc region
Clinically significant psoriasis flare during screening or at the time of enrollment
History of or ongoing uncontrolled bacterial, viral, fungal, or atypical mycobacterial infection
History of opportunistic infections (e.g., systemic fungal infections, parasites)
Seropositivity for human immunodeficiency virus (HIV) Patients will undergo mandatory testing at screening. Patients who are positive for HIV will be excluded.
Pregnancy or lactation
WBC count <4000/mL or >14,000/mL
Seropositivity for hepatitis B or C virus Patients will undergo testing during screening. Patients who are positive for hepatitis B antigen or hepatitis C antibody will be excluded.
Hepatic enzymes ³3 times the upper limit of normal
History of active tuberculosis (TB) or currently undergoing treatment for TB PPD testing or chest X-ray is required for high risk patients (see Appendix I). Patients with a positive PPD (not due to BCG vaccination) or chest X-ray will be excluded.
Presence of malignancy within the past 5 years, including lymphoproliferative disorders Patients with a history of fully resolved basal cell or squamous cell skin cancer may be enrolled.
Previous treatment with Raptiva (anti-CD11a)
Diagnosis of hepatic cirrhosis, regardless of cause or severity
Serum creatinine ³2 times the upper limit of normal
Hospital admission for cardiac disease, stroke, or pulmonary disease within the last year
History of substance abuse within the last 5 years
Any medical condition that, in the judgment of the investigator, would jeopardize the patient's safety following exposure to study drug

Note: Restrictions and/or directions apply to the following treatments during specified time periods prior to initial study drug administration and during the study:

Systemic therapy for psoriasis (within 28 days prior to Study Day 0)
Systemic immunosuppressive drugs for other indications (within 28 days prior to Study Day 0)
Topical therapies for psoriasis (within 14 days prior to Study Day 0)
Live or killed virus or bacteria vaccines (within 14 days prior to Study Day 0)
Other vaccines or allergy desensitisation (it is recommended that these are scheduled at least 14 days prior to Day 0 or ³3 months after the last injection of study drug)
Other experimental drugs or treatments (within 28 days or five half lives, whichever is longer, prior to Day 0) b Blockers, ACE inhibitors, interferons, quinidine, antimalarial drugs, or lithium (if clinically indicated, such medications are allowed but the dosage should be held constant from Day -28 throughout the study)