Hexamethylene bisacetamide in myelodysplastic syndrome and acute myelogenous leukemia: A phase II clinical trial with a differentiation-inducing agent Journal Article


Authors: Andreeff, M.; Stone, R.; Michaeli, J.; Young, C. W.; Tong, W. P.; Sogoloff, H.; Ervin, T.; Kufe, D.; Rifkind, R. A.; Marks, P. A.
Article Title: Hexamethylene bisacetamide in myelodysplastic syndrome and acute myelogenous leukemia: A phase II clinical trial with a differentiation-inducing agent
Abstract: Hexamethylene bisacetamide (HMBA) is a potent inducer of differentiation of a number of transformed cell lines in vitro. We report results of a phase II clinical trial in 41 patients with myelodysplastic syndrome (MDS) or acute myelogenous leukemia (AML) to whom HMBA was administered by continuous infusion for 10 days and repeated after an interval of 18 to 75 days. HMBA induced a complete remission (CR) in three patients and a partial remission (PR) in six patients. The median duration of CR was 6.8 months (range 1.3 to 16 months) and 3.7 months for PR (range 1 to 7 months). No significant difference was observed between responders and nonresponders with respect to the mean HMBA plasma levels, which were 0.86 ± 0.04 mmol/L and 0.87 ± 0.12 mmol/L, respectively. In certain patients morphologic and chromosome analyses provided evidence that HMBA induced differentiation of transformed hematopoietic precursors. The most prominent toxicity was thrombocytopenia, generally reversible on cessation of administration of HMBA.
Keywords: adolescent; adult; clinical article; aged; acute granulocytic leukemia; human cell; disease course; neurotoxicity; phase 2 clinical trial; bone marrow; thrombocytopenia; tumor differentiation; cell differentiation; gastrointestinal toxicity; cancer regression; myelodysplastic syndrome; hematopoietic stem cells; remission induction; neutrophils; drug blood level; leukocyte count; chromosome analysis; myelodysplastic syndromes; platelet count; hematocrit; middle age; hemoglobin determination; leukemia, myelocytic, acute; hexamethylenebisacetamide; acetamides; human; priority journal; article; support, non-u.s. gov't; support, u.s. gov't, p.h.s.
Journal Title: Blood
Volume: 80
Issue: 10
ISSN: 0006-4971
Publisher: American Society of Hematology  
Date Published: 1992-11-15
Start Page: 2604
End Page: 2609
Language: English
PUBMED: 1421378
PROVIDER: scopus
DOI: 10.1182/blood.V80.10.2604.2604
DOI/URL:
Notes: Article -- Export Date: 30 July 2019 -- Source: Scopus
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  1. William Ping-Yiu Tong
    158 Tong
  2. Paul Marks
    186 Marks
  3. Richard Rifkind
    118 Rifkind
  4. Charles W Young
    82 Young