A Study to Investigate the Efficacy and Safety of S-888711 Tablets Administered to Adult Subjects With Immune Thrombocytopenia (ITP)
Summary
This is a Phase 2, multicenter, randomized, double-blind, placebo-controlled, dose-ranging, parallel-group study to evaluate the efficacy, safety, pharmacokinetics, and pharmacodynamics of S-888711 in the treatment of subjects with immune thrombocytopenia. Eligible subjects will be randomized into one of four treatment groups to receive S-888711 0.5 mg, 0.75 mg, or 1.0 mg or placebo.
Study Design
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment
Conditions
Immune Thrombocytopenia (ITP)
Intervention
placebo to S-888711, S-888711, S-888711, S-888711
Location
Investigator
Anaheim
California
United States
92801
Status
Recruiting
Source
Shionogi USA, Inc.
Results (where available)
Links
- Source: http://clinicaltrials.gov/show/NCT01054443
- Information obtained from ClinicalTrials.gov on July 15, 2010
Published on BioPortfolio: 2014-08-27T03:16:27-0400
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PubMed Articles
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Medical and Biotech [MESH] Definitions
Levamisole
An antihelminthic drug that has been tried experimentally in rheumatic disorders where it apparently restores the immune response by increasing macrophage chemotaxis and T-lymphocyte function. Paradoxically, this immune enhancement appears to be beneficial in rheumatoid arthritis where dermatitis, leukopenia, and thrombocytopenia, and nausea and vomiting have been reported as side effects. (From Smith and Reynard, Textbook of Pharmacology, 1991, p435-6)
Purpura, Thrombocytopenic, Idiopathic
Thrombocytopenia occurring in the absence of toxic exposure or a disease associated with decreased platelets. It is mediated by immune mechanisms, in most cases IMMUNOGLOBULIN G autoantibodies which attach to platelets and subsequently undergo destruction by macrophages. The disease is seen in acute (affecting children) and chronic (adult) forms.
Therapeutic Misconception
Misunderstanding among individuals, frequently research subjects, of scientific methods such as randomization and placebo controls.
Placebo Effect
An effect usually, but not necessarily, beneficial that is attributable to an expectation that the regimen will have an effect, i.e., the effect is due to the power of suggestion.
Jacobsen Distal 11q Deletion Syndrome
A clinically recognized malformation condition caused by a distal 11q deletion. The features of the syndrome are growth retardation, psychomotor retardation, trigonocephaly, divergent intermittent strabismus, epicanthus, telecanthus, broad nasal bridge, short nose with anteverted nostrils, carp-shaped upper lip, retrognathia, low-set dysmorphic ears, bilateral camptodactyly, and hammertoes. Most patients have a THROMBOCYTOPENIA and platelet dysfunction known also as Paris-Trousseau type thrombocytopenia.
