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Generated: December 13, 2018

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CLINICAL TRIALS PROFILE FOR PROMACTA

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Clinical Trials for Promacta

Trial ID Title Status Sponsor Phase Summary
NCT00643929 LENS - Long-term Eltrombopag Observational Study Completed GlaxoSmithKline N/A A long term observational ocular safety study in adults who have received study medication (either active drug or placebo) in a phase II or III clinical study evaluating eltrombopag. The study will follow subjects for 2.5 years following their last ocular assessment on their prior treatment study (regardless of the therapeutic indication) and will describe long-term ocular safety with respect to changes in the lenses over time from all subjects.
NCT00922883 A Pilot Study of a Thrombopoietin-Receptor Agonist (TPO-R Agonist), Eltrombopag, in Aplastic Anemia Patients With Immunosuppressive-Therapy Refractory Thrombocytopenia Active, not recruiting National Heart, Lung, and Blood Institute (NHLBI) Phase 2 Severe aplastic anemia (SAA) is a life-threatening blood disease which can be effectively treated with immunosuppressive drug regimens or allogeneic stem cell transplantation. However, 20-40% of patients without transplant options do not respond to immunosuppressive therapies, and have persistent severe thrombocytopenia. Even patients that respond to immunosuppressive therapies with an improvement in their life-threatening neutropenia sometimes have persistent thrombocytopenia. Both groups of patients (i.e. nonresponders to immunosuppressive therapy and responders with persistent thrombocytopenia) require regular platelet transfusions, which are expensive and inconvenient, and are a risk for further serious bleeding complications. Thrombopoietin (TPO) is the principal endogenous regulator of platelet production. On binding to the megakaryocyte progenitor TPO receptor, TPO initiates a number of signal transduction events to increase the production of mature megakaryocytes and platelets. Thrombopoietin also has stimulatory effects on more primitive multilineage progenitors and stem cells in vitro and in animal models. A 2nd generation small molecule TPO-agonist, eltrombopag (Promacta ) has been shown to increase platelets in healthy subjects and in thrombocytopenic patients with chronic immune thrombocytopenic purpura (ITP) and hepatitis C virus (HCV) infection. Eltrombopag is administered orally and has been well-tolerated in clinical trials. Unlike recombinant TPO, it has not been found to induce autoantibodies. Eltrombopag received FDA accelerated approval on Nov 20, 2008 for the treatment of thrombocytopenia in patients with chronic immune (idiopathic) thrombocytopenic purpura who have had an insufficient response to corticosteroids, immunoglobulins, or splenectomy. Because a paucity of megakaryocytes and decreased platelet production is responsible for thrombocytopenia in aplastic anemia patients, we now propose this Phase 2, non-randomized pilot study of eltrombopag in aplastic anemia patients with immunosuppressive therapy refractory thrombocytopenia. Subjects will initiate study medication at an oral dose of 50 mg/day (25 mg/day for East Asians), which will be increased or decreased as clinically indicated to the lowest dose that maintains a stable platelet count 20,000/(micro)L above baseline while maximizing tolerability. Treatment response is defined as platelet count increases to 20,000/(micro)L above baseline at three months. Subjects with response at 3 months may continue study medication (extended access) until they meet an off study criteria.
NCT00961064 A Pilot Study of a Thrombopoietin-Receptor Agonist, Eltrombopag, in Patients With Low to Int-2 Risk Myelodysplastic Syndrome (MDS) Recruiting National Heart, Lung, and Blood Institute (NHLBI) Phase 2 Background: - Myelodysplastic syndromes (MDS) are bone marrow disorders characterized by anemia, neutropenia, and thrombocytopenia (low red blood cell, white blood cell, and platelet counts). Patients with MDS are at risk for symptomatic anemia, infection, and bleeding, as well as a risk of progression to acute leukemia. Standard treatments for MDS have significant relapse rates. MDS patients with thrombocytopenia who fail standard therapies require regular, expensive, and inconvenient platelet transfusions, and are at risk for further serious bleeding complications. - Eltrombopag is a drug designed to mimic the protein thrombopoietin, which causes the body to make more platelets. Eltrombopag has been able to increase platelet counts in healthy volunteers and in patients with chronic ITP (a disease where patients destroy their own platelets very rapidly and thus develop thrombocytopenia), but researchers do not know if the drug can increase platelet counts in patients with MDS. Objectives: - To find out whether eltrombopag can improve platelet counts in patients with MDS. - To determine whether eltrombopag is safe for patients with MDS. Eligibility: - Patients 18 years of age and older who have consistently low blood platelet counts related to MDS that has not responded to conventional treatment. Design: - Treatment with eltrombopag tablets once per day for 90 days. - Participants will be monitored closely throughout the initial treatment, with weekly blood tests and separate evaluations at the National Institutes of Health (NIH) treatment center every 4 weeks. Bone marrow biopsies may be conducted to check for abnormalities in bone marrow. - If patients show signs of improved platelet counts after 90 days, treatment will continue with additional doses of eltrombopag. - Patients who discontinue taking eltrombopag will be evaluated at the NIH treatment center 4 weeks after ending treatment, and again 6 months after ending treatment to check for potential side effects.
Trial ID Title Status Sponsor Phase Summary

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Clinical Trial Conditions for Promacta

Condition Name

Condition Name for Promacta
Intervention Trials
Thrombocytopenia 6
Leukemia 4
Adult Acute Myeloid Leukemia With Del(5q) 2
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Condition MeSH

Condition MeSH for Promacta
Intervention Trials
Thrombocytopenia 14
Leukemia 7
Preleukemia 6
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Clinical Trial Locations for Promacta

Trials by Country

Trials by Country for Promacta
Location Trials
United States 48
Italy 13
Canada 10
Germany 10
Brazil 5
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Trials by US State

Trials by US State for Promacta
Location Trials
Texas 6
Maryland 5
New York 5
North Carolina 3
Pennsylvania 2
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Clinical Trial Progress for Promacta

Clinical Trial Phase

Clinical Trial Phase for Promacta
Clinical Trial Phase Trials
Phase 4 1
Phase 3 4
Phase 2 13
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Clinical Trial Status

Clinical Trial Status for Promacta
Clinical Trial Phase Trials
Completed 7
Recruiting 7
Active, not recruiting 5
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Clinical Trial Sponsors for Promacta

Sponsor Name

Sponsor Name for Promacta
Sponsor Trials
GlaxoSmithKline 14
M.D. Anderson Cancer Center 6
National Heart, Lung, and Blood Institute (NHLBI) 4
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Sponsor Type

Sponsor Type for Promacta
Sponsor Trials
Industry 21
Other 21
NIH 7
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