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A Controlled Trial of Intermittent Fludarabine for Psoriatic Arthritis

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00001422
Recruitment Status : Completed
First Posted : December 10, 2002
Last Update Posted : March 4, 2008
Information provided by:
National Institutes of Health Clinical Center (CC)

Brief Summary:
This is a placebo controlled study evaluating the role of fludarabine (a nucleoside analog targeting both resting and proliferating lymphocytes) in the treatment of moderate to severe psoriotic arthritis. Patients should have failed at least one disease modifying antirheumatic drug.

Condition or disease Intervention/treatment Phase
Arthritis, Psoriatic Psoriasis Drug: fludarabine Phase 2

Detailed Description:
The efficacy and toxicity of immunosuppressive therapy using the adenine analogue fludarabine will be evaluated in 20 patients with psoriatic arthritis, who have failed or have developed intolerable side-effects to at least one disease modifying antirheumatic drug including sulfasalazine, gold, methoxypsoralen and long wave ultraviolet A light (PUVA), retinoids, methotrexate or cyclosporin. In this double-blind, placebo-controlled trial patients will receive a four month course of intravenous fludarabine (30 mg/m(2)/day for 2-3 days every 4 weeks for a total of four cycles) or placebo by a block randomization procedure to ensure groups balanced for disease activity. After a washout period of two months, the patients receiving placebo will have the option of crossing over to the fludarabine arm for an additional four months of treatment. Disease activity (both skin and joints) will be monitored throughout the study. At the end of the study, physician and patient assessment of disease activity as well as drug-related toxicities will be analyzed.

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Study Type : Interventional  (Clinical Trial)
Enrollment : 20 participants
Primary Purpose: Treatment
Official Title: A Controlled Trial of Intermittent Fludarabine for Psoriatic Arthritis
Study Start Date : June 1995
Study Completion Date : April 2000

Information from the National Library of Medicine

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Ages Eligible for Study:   Child, Adult, Older Adult
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Ability to provide informed consent to all aspects of the study after full information is provided.

Age equal to or older than 18 years.

Psoriatic arthritis of more than 6 months duration defined by the following criteria:

A psoriatic skin lesion (or history of psoriatic skin lesion documented by a physician) with or without nail involvement.

Peripheral arthritis alone or in combination with sacroiliitis. Patients with chest expansion less than 2.5 cm or decreased flexion of the cervical and lumbosacral spine flexion by 50% or more will be excluded.

A negative serum test for rheumatoid factor and absence of subcutaneous nodules.

Radiographic findings (if present) compatible with psoriatic arthritis ("pencil in cup lesion," osteolysis of the terminal phalanx, asymmetrical sacroiliitis, erosive oligoarticular arthritis or spinal syndesmophytes).

Criteria a-c are required for diagnosis whereas criterion d is optional.

Active arthritis with 3 or more painful or swollen joints considered capable of responding to drug therapy and at least 2 of the following:

Tenderness or pain on movement of at least 3 joints (or periarticular areas).

30 minutes of morning stiffness (in peripheral joints or in the spine).

Erythrocyte sedimentation rate (ESR) greater than or equal to 28mm/hour or C-reactive protein (CRP) greater than 0.8 mg/dl.

Failure to respond or development of intolerable side effects to at least one of the following treatments: sulfasalazine, gold retinoids, PUVA, methotrexate, azathioprine or cyclosporin. A waiting period of equal to or greater than 4 weeks after the end of previous systemic treatment will be required before initiation of fludarabine treatment. Topical treatment for psoriasis (glucocorticoids, tar, anthralin, etc.) should be discontinued 2 weeks prior to study entry.

not have seropositive, symmetric polyarthritis.

Must not have the spondylitic form of psoriatic arthritis (spondylitis alone or in combination with shoulder and hip arthritis).

Must not have arthritis mutilans.

Must not be receiving glucocorticoids in doses greater than 10mg/day of prednisone.

Patients must not have acute or chronic infections requiring antimicrobial therapy or serious viral (e.g., hepatitis, herpes zoster or HIV infections) or fungal infections. Patients with a positive PPD who have not received INH or other antituberculous therapy may be excluded if in the opinion of an infectious disease consultant immunosuppressive therapy is contraindicated.

Females must not be pregnant or lactating. Females of childbearing age must be practicing birth control.

No pre-existing malignancy other than basal cell carcinoma. All females must have a negative Papanicolaou smear within a 3 month period prior to study entry.

No history of cerebrovascular accidents, seizure disorder or chronic neurologic disease.

No history of documented coronary artery disease, cardiomyopathy or dysrhythmia requiring therapy.

No confounding medical illness that in the judgment of the investigators would pose added risk for study participants (e.g., chronic hepatic, renal or pulmonary disease (PFTs less than 70% of predicted value or DLCO less than 60%) or bone marrow hypoplasia (Hb less than 10 mg/dl, platelets less than 100.000/dl or WBC less than 3.400/dl).

No patients who have received alkylating agents for greater than or equal to 1 year.

No patients with creatinine clearance (CrCl) less than 50 ml/min.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00001422

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United States, Maryland
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Bethesda, Maryland, United States, 20892
Sponsors and Collaborators
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Layout table for additonal information Identifier: NCT00001422    
Other Study ID Numbers: 950140
First Posted: December 10, 2002    Key Record Dates
Last Update Posted: March 4, 2008
Last Verified: May 1999
Keywords provided by National Institutes of Health Clinical Center (CC):
Adenine Analogue
Psoriatic Arthritis
Additional relevant MeSH terms:
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Arthritis, Psoriatic
Joint Diseases
Musculoskeletal Diseases
Skin Diseases, Papulosquamous
Skin Diseases
Spinal Diseases
Bone Diseases
Antineoplastic Agents