- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00326508
Combination Daclizumab/Denileukin Diftitox to Treat Uveitis
Combination Daclizumab/Denileukin Diftitox (Ontak) Therapy for the Induction of Immune Tolerance in Non-infectious Intermediate and Posterior Uveitis
This study will determine whether treatment with a combination of the drugs daclizumab and denileukin diftitox can eliminate the need for long-term daclizumab treatment in adult patients with uveitis. Denileukin diftitox kills white blood cells called lymphocytes that cause inflammation and may be the cause of uveitis.
Patients 18 years of age and older with uveitis in one or both eyes who are on daclizumab therapy and have not had a disease flareup in 6 months may be eligible for this study. Candidates are screened with a medical history, physical examination, eye examination (including vision test, examination of the front of the eye, and pupil dilation for examination of the retina at the back of the eye), blood tests and a questionnaire about their vision and daily activities.
After screening, participants undergo the following procedures:
- Daclizumab/ denileukin diftitox treatment. Patients receive their regular dose of daclizumab intravenously (through a vein). The interval between doses is increased by 1 week after each dose. When the doses are 10 weeks apart, the daclizumab is stopped. Patients who experience a flare or uveitis are treated with intravenous denileukin diftitox and possibly local injections of steroids around the eye or increasing or adding other medicines as needed to control the uveitis.
- Fluorescein angiography to look for blood vessel abnormalities in the eyes. A yellow dye is injected into an arm vein and travels to the blood vessels in the eyes. Pictures of the retina (the back portion of the eye) are taken with a special camera that flashes a blue light into the eye. The pictures show if any dye has leaked from the vessels into the retina, indicating possible abnormalities.
- Ultrasound and urine tests at enrollment and after 1 year to check kidneys, lymph nodes and pelvic area.
- Blood tests at enrollment and every 3-6 months for laboratory and immunology tests and other research tests on blood cells to examine the immune response.
- Follow-up visits approximately every 6 weeks for 2 years for repeat examinations to determine the response to treatment and drug side effects.
Study Overview
Status
Intervention / Treatment
Detailed Description
Study Type
Enrollment
Phase
- Phase 2
Contacts and Locations
Study Locations
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Maryland
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Bethesda, Maryland, United States, 20892
- National Institutes of Health Clinical Center, 9000 Rockville Pike
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
- INCLUSION CRITERIA:
To be eligible to enroll in this study, a prospective participant must satisfy the following inclusion criteria.
- Participant is 18 years of age or older. (The vast majority of T cells are produced before adulthood and the long-term consequences of inducing immune tolerance are unknown, it would thus seem prudent to exclude juveniles from the study.)
- Participant with uveitis in one or both eyes on daclizumab therapy without disease flare in the past 6 months.
- Participants of reproductive age agree to use acceptable birth control methods throughout the course of the study and for 6 months after completion of treatment with daclizumab or sirolimus.
- Participant must be willing and prepared to travel to NIH on short notice for treatment and to be hospitalized if deemed medically necessary.
- Participant is able to understand and sign a consent form before entering the study.
EXCLUSION CRITERIA:
To be eligible to enroll in this study, a prospective participant must not satisfy any of the following exclusion criteria.
- Participant with a history of hypersensitivity to denileukin diftitox.
- Participant is pregnant or lactating.
- Participant with active chronic or acute infections.
- Participant with a history of cardiovascular disease, significant respiratory disease, coagulation disorders, or other major medical illnesses that may limit their ability to tolerate the toxicities associated with denileukin diftitox.
- Participant with a serum albumin less than 3.0.
- Participant with malignancy other than squamous cell carcinoma in situ.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Study Completion
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 060066
- 06-EI-0066
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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