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Tamibarotene and Arsenic Trioxide for Relapsed Acute Promyelocytic Leukemia

2014-08-27 03:19:00 | BioPortfolio

Summary

Subjects have acute promyelocytic leukemia (APL) that has come back (relapsed) after initial treatment or has not gone away with initial therapy. This research study involves testing an investigational drug called Tamibarotene in combination with standard treatment for relapsed APL called arsenic trioxide. Tamibarotene has been approved in Japan to treat patients with relapsed APL since April 2005. Tamibarotene is in the same family of drugs as all-trans retinoic acid (ATRA), a medication that subjects received previously in their treatment. ATRA and tamibarotene both cause the APL cells to differentiate (or become) normal non-leukemia cells. Laboratory studies of tamibarotene have shown to be effective in APL. The purpose of this study is to determine if tamibarotene in combination with arsenic trioxide is safe and effective.

Study Design

Allocation: Non-Randomized, Control: Active Control, Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Conditions

Acute Promyelocytic Leukemia

Intervention

Tamibarotene, Arsenic trioxide

Location

Northwestern University
Chicago
Illinois
United States
60611

Status

Recruiting

Source

Northwestern University

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:19:00-0400

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Long-term outcome of relapsed acute promyelocytic leukemia treated with oral arsenic trioxide-based reinduction and maintenance regimens: A 15-year prospective study.

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Medical and Biotech [MESH] Definitions

An acute myeloid leukemia in which abnormal PROMYELOCYTES predominate. It is frequently associated with DISSEMINATED INTRAVASCULAR COAGULATION.

A tripartite motif protein that contains three ZINC FINGERS, including a RING FINGER DOMAIN, at its N-terminal. Several nuclear and one cytoplasmic isoforms result from alternative splicing of the PML gene; most nuclear isoforms localize to subnuclear structures (PML nuclear bodies) that are disrupted in ACUTE PROMYELOCYTIC LEUKEMIA cells.

An important regulator of GENE EXPRESSION during growth and development, and in NEOPLASMS. Tretinoin, also known as retinoic acid and derived from maternal VITAMIN A, is essential for normal GROWTH; and EMBRYONIC DEVELOPMENT. An excess of tretinoin can be teratogenic. It is used in the treatment of PSORIASIS; ACNE VULGARIS; and several other SKIN DISEASES. It has also been approved for use in promyelocytic leukemia (LEUKEMIA, PROMYELOCYTIC, ACUTE).

A promyelocytic cell line derived from a patient with ACUTE PROMYELOCYTIC LEUKEMIA. HL-60 cells lack specific markers for LYMPHOID CELLS but express surface receptors for FC FRAGMENTS and COMPLEMENT SYSTEM PROTEINS. They also exhibit phagocytic activity and responsiveness to chemotactic stimuli. (From Hay et al., American Type Culture Collection, 7th ed, pp127-8)

Disorders associated with acute or chronic exposure to compounds containing ARSENIC (ARSENICALS) which may be fatal. Acute oral ingestion is associated with gastrointestinal symptoms and an encephalopathy which may manifest as SEIZURES, mental status changes, and COMA. Chronic exposure is associated with mucosal irritation, desquamating rash, myalgias, peripheral neuropathy, and white transverse (Mees) lines in the fingernails. (Adams et al., Principles of Neurology, 6th ed, p1212)

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