CLINICAL TRIALS PROFILE FOR DACLIZUMAB
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All Clinical Trials for daclizumab
| Trial ID | Title | Status | Sponsor | Phase | Start Date | Summary |
|---|---|---|---|---|---|---|
| NCT00001526 ↗ | ANTI-TAC THERAPY FOR UVEITIS | Completed | National Eye Institute (NEI) | Phase 1 | 1996-06-04 | Uveitis refers to intraocular inflammatory diseases that are an important cause of visual loss. Standard systemic immunosuppressive medications for uveitis can cause significant adverse effects. Consequently, an effective treatment with a safer side effect profile is highly desirable. This pilot study has permitted enrollment of up to 12 adults with non-infectious intermediate or posterior uveitis who require treatments to maintain visual function. This extended protocol began with an evaluation of the safety and potential efficacy of intravenous (IV) daclizumab treatments for uveitis while reducing or eliminating standard medications commensurate with the standard of care. As subcutaneous (SC) daclizumab treatments become available, eligible participants will be offered continuing daclizumab treatments using the new SC formulation, though they may elect to remain on the IV treatments. If the therapeutic benefit is sustained using the SC formulation, maintenance therapy will continue as clinically indicated. Participants who repeatedly fail the SC therapy will be permitted to revert to the IV daclizumab regimen they previously used, or may exit the study as treatment failures. SC treatments begin with a short SC induction at 2 mg/kg followed by 1 mg/kg treatments on a 4-week schedule as the protocol originally specified. Participants will be monitored routinely when each dose is received and additionally will participate in pharmacokinetic studies to monitor SC formulation bioavailability. Daclizumab is a humanized anti-Tac monoclonal antibody (HAT, Zenapax) that interferes with inflammatory processes by its involvement with the interleukin 2 receptor (IL-2R). During the first 5 years of this study, only an IV product was available. The SC formulation is now available containing the same daclizumab drug product. Preliminary studies indicate that the SC formulation is well tolerated by normal control subjects and other autoimmune disease patients at repeated doses up to 2 mg/kg. The primary objectives are to examine the safety and potential efficacy of IV and later, SC daclizumab, while continuing to reduce other immunosuppressive medications commensurate with the standard of care. Primary safety outcomes are the discontinuation of study therapy due to reduced vision or the occurrence of adverse events. Secondary outcome measures include visual acuity and the grading of immunosuppressive medications, anterior chamber and vitreous cells, and vitreous haze. |
| NCT00001865 ↗ | HAT in Eye Complications of Behcet's Disease | Completed | National Eye Institute (NEI) | Phase 2 | 1999-07-01 | This study will evaluate the safety and effectiveness of Zenapax in controlling recurrent eye inflammations associated with Behcet's disease. Behcet's disease is usually treated with corticosteroids to suppress inflammation. Other medicines such as methotrexate, cyclophosphamide, or azathioprine may also be used. These drugs all can have serious side effects, including liver or kidney damage. Zenapax is a monoclonal antibody that binds to certain proteins (receptors) on white blood cells, preventing them from interacting with a chemical called interleukin-2. Blocking this interaction prevents inflammation. This study will include 20 patients who had unacceptable side effects from other medicines used to treat their disease; did not benefit from standard treatment; and refused standard treatment because of possible side effects of the medicines. All patients in the study will continue to take their current medicines at the start of the study. In addition, one group of patients will receive Zenapax and a second group will receive a placebo. The drug or placebo will be infused into the vein at the start of the study and every two weeks for the next six weeks, and then every four weeks for the rest of the study period (24 months). Each infusion lasts about 15 minutes. Patients will have eye examinations at the time of every treatment, and medicines will be added if needed to control eye disease. Drugs will be tapered after six months in patients whose eye disease is quiet, and readjusted as necessary. Neither the doctors nor the patients will know who is receiving placebo and who is receiving Zenapax until the study ends. Patients will be given a physical examination, medical history, eye examination, fluorescein angiography (special photographs of the retina to evaluate the blood vessels in the eye), and blood tests. Zenapax was previously studied in 10 patients with uveitis with positive results. The patients were able to reduce the other medicines they were taking with minimal side effects. |
| NCT00001962 ↗ | A Study to Determine Whether Therapy With Daclizumab Will Benefit Patients With Bone Marrow Failure | Terminated | National Heart, Lung, and Blood Institute (NHLBI) | Phase 2 | 1999-11-01 | Participants in this study are suffering from rare and serious blood disorders. In aplastic anemia, the bone marrow stops producing red blood cells, platelets, and white blood cells. In pure red cell aplasia, the bone marrow stops producing red cells, and in amegakaryocytic thrombocytopenic purpura, the bone marrow stops producing platelets. Current treatment approaches for these disorders include bone marrow transplant and/or immunosuppression. However, bone marrow transplant is not always possible, and immunosuppression has serious side effects. This study will investigate whether daclizumab can be used to treat these disorders. Daclizumab is a genetically engineered human antibody that blocks the interleukin-2 receptor on immune cells. It has been used successfully in many transplant patients to reduce the rate of organ rejection. Participants will undergo a complete history and physical examination. A bone marrow aspiration and biopsy will be performed to confirm the type of bone marrow failure. About 5 tablespoons of blood will be drawn for baseline tests and research purposes. Daclizumab will be administered every 2 weeks by vein in a 30-minute infusion. The first dose will be given at NIH and the next four may be given at NIH or by the participant's primary hematologist. The treatment will last 8 weeks. Participants must also see their referring physician or NIH physicians every 2 weeks for blood counts. In the fourth and eighth weeks of the study and at the 3-month follow-up visit, 2 tablespoons of blood will be drawn at NIH. At the 1-month follow-up visit to NIH, 5 tablespoons of blood will be drawn and another bone marrow aspiration and biopsy performed. Risks from bone marrow aspiration and biopsy and blood draws include discomfort. Daclizumab is usually well-tolerated; however, it may weaken immunity against certain bacteria and viruses. |
| NCT00001962 ↗ | A Study to Determine Whether Therapy With Daclizumab Will Benefit Patients With Bone Marrow Failure | Terminated | Neal Young, M.D. | Phase 2 | 1999-11-01 | Participants in this study are suffering from rare and serious blood disorders. In aplastic anemia, the bone marrow stops producing red blood cells, platelets, and white blood cells. In pure red cell aplasia, the bone marrow stops producing red cells, and in amegakaryocytic thrombocytopenic purpura, the bone marrow stops producing platelets. Current treatment approaches for these disorders include bone marrow transplant and/or immunosuppression. However, bone marrow transplant is not always possible, and immunosuppression has serious side effects. This study will investigate whether daclizumab can be used to treat these disorders. Daclizumab is a genetically engineered human antibody that blocks the interleukin-2 receptor on immune cells. It has been used successfully in many transplant patients to reduce the rate of organ rejection. Participants will undergo a complete history and physical examination. A bone marrow aspiration and biopsy will be performed to confirm the type of bone marrow failure. About 5 tablespoons of blood will be drawn for baseline tests and research purposes. Daclizumab will be administered every 2 weeks by vein in a 30-minute infusion. The first dose will be given at NIH and the next four may be given at NIH or by the participant's primary hematologist. The treatment will last 8 weeks. Participants must also see their referring physician or NIH physicians every 2 weeks for blood counts. In the fourth and eighth weeks of the study and at the 3-month follow-up visit, 2 tablespoons of blood will be drawn at NIH. At the 1-month follow-up visit to NIH, 5 tablespoons of blood will be drawn and another bone marrow aspiration and biopsy performed. Risks from bone marrow aspiration and biopsy and blood draws include discomfort. Daclizumab is usually well-tolerated; however, it may weaken immunity against certain bacteria and viruses. |
| NCT00006350 ↗ | Mycophenolate Mofetil, Tacrolimus, Daclizumab, and Donor Peripheral Stem Cell Transplantation in Treating Patients With Hematologic Cancer | Completed | University of Maryland Greenebaum Cancer Center | Phase 2 | 2000-01-01 | RATIONALE: Monoclonal antibodies such as daclizumab can locate tumor cells and either kill them or deliver tumor-killing substances to them without harming normal cells. Peripheral stem cell transplantation from a brother or sister may be effective treatment for hematologic cancer. Sometimes the transplanted cells can be rejected by the body's tissue. Mycophenolate mofetil, tacrolimus, and donor white blood cells may prevent this from happening. PURPOSE: Phase II trial to study the effectiveness of mycophenolate mofetil, tacrolimus, daclizumab, and donor peripheral stem cell transplantation in treating patients who have hematologic cancer. |
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