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. |
| NCT00006350 ↗ | Mycophenolate Mofetil, Tacrolimus, Daclizumab, and Donor Peripheral Stem Cell Transplantation in Treating Patients With Hematologic Cancer | Completed | University of Maryland, Baltimore | 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. |
| NCT00006505 ↗ | Solitary Islet Transplantation for Type 1 Diabetes Mellitus Using Steroid Sparing Immunosuppression | Completed | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | Phase 2 | 2000-11-16 | This study will test whether a new islet transplant procedure will enable patients with type 1 diabetes mellitus to stop insulin therapy. Islets are cell clusters in the pancreas that contain insulin-producing cells. The new procedure features three important advances, first developed by a group in Edmonton, Canada, over the way islet transplants have traditionally been performed: 1) the islets are transplanted immediately after they are removed from the donor; 2) islets are transplanted from two different donors in order to obtain the number of islets in a normal pancreas; and 3) the anti-rejection drug regimen is designed to reduce the harmful side effects of "conditioning" chemotherapy. (In the standard transplant procedure, patients receive intensive chemotherapy following the transplant. This study will use no radiation and lower-dose chemotherapy.) Patients between the ages of 18 and 65 with the diagnosis of type 1 diabetes mellitus for at least 5 years may be eligible for this study. Candidates will be screened with a medical history and physical examination, blood tests, chest X-ray and tuberculin skin test, electrocardiogram and exercise test for heart function, abdominal ultrasound, psychological evaluation, and an arginine stimulated c-peptide test. The latter test determines if the patient is producing any insulin. Eligibility is restricted to patients who make no insulin at all. The study has an active phase lasting 15 months and follow-up that continues indefinitely. Patients will receive 10,000 "islet equivalents" per kilogram (2.2 pounds) of body weight. This will likely require two separate transplant procedures from two donors. Before the first surgery, patients will be given anti-rejection (immune suppressing) drugs, including FK506 and rapamycin (orally) and daclizumab (intravenously). The islets will be infused through a tube placed in the portal vein (the large vein that feeds the liver). After surgery, patients will receive insulin intravenously for 24 hours. They will then have an abdominal ultrasound and blood tests to determine liver function. If fewer than 10,000 islets were transplanted, patients will continue insulin treatment, with the dosages adjusted to account for the transplanted islets. They will take Daclizumab every 2 weeks, and FK506 and rapamycin daily. Blood tests to follow how much of these drugs are in the blood stream will be performed daily at first and then weekly after blood levels of these drugs stabilize. They will be given antibiotics to prevent infections. The arginine test will be repeated 2 weeks after the transplant and periodically thereafter. Blood will be drawn weekly to check drug levels, and monthly for other tests. The investigators will track daily insulin requirements, and these will be recorded monthly. Patients who require a second transplant to achieve the required amount of islets will return for the procedure when a compatible organ is donated. The second procedure will be done as described above. As before, insulin will be infused for 24 hours following surgery. It will then be stopped, however, and will not be resumed unless blood glucose levels reach above 180 milligrams/deciliter. Patients will continue taking FK506 and rapamycin indefinitely. Daclizumab will be given every 2 weeks for 4 doses following the second transplant, and then stopped. Patients will take an antiviral called ganciclovir for 14 weeks and another antibiotic for 1 year following surgery. For the first year after surgery, patients will have frequent blood tests to monitor drug levels and immune function. They will return to NIH for a complete history and physical examination 2 and 3 years after the final islet transplant and will be contacted yearly by phone to ascertain their general health status and whether they remain insulin independent. |
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