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New Findings Provide Hope For Treatment Of Multiple Myeloma

Discussion in 'Hospital' started by The Good Doctor, May 19, 2021.

  1. The Good Doctor

    The Good Doctor Golden Member

    Aug 12, 2020
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    Researchers at Karolinska Institutet have investigated the use of low dose venetoclax, an experimental drug, for the treatment of the heterogeneous cancer disease multiple myeloma in patients who had relapsed on standard therapies. The findings are published in the American Journal of Hematology and provide new hope for the treatment of multiple myeloma.

    Multiple Myeloma (MM) is a heterogeneous cancer disease comprised of various distinct subtypes and accounts for nearly 20% of deaths caused by all blood related diseases. Treatment of this disease has improved over the last decades, however some patients continue to experience multiple relapses, which contribute to premature deaths.

    In this study on 25 patients, the researchers at Karolinska Institutet found that a dose of 400 mg daily of venetoclax, a medication currently used to treat different types of leukemia, was effective in the treatment of heavily pre-treated MM and AL-amyloidosis patients, a disease associated with plasma cell dyscrasia, with mild manageable adverse events and no associated deaths.


    Successful treatment for nearly half of the patients

    "The study shows that selection of low dose venetoclax was critical to reduce the adverse events of the drug without adventuring the benefit of venetoclax in regard to response rates and survival", says the article's first author Hareth Nahi, senior physician and associate professor at the Center for Hematology and Regenerative Medicine at the Department of Medicine, Huddinge, Karolinska Institutet.

    The study included a total of 25 patients (17 MM and eight AL-amyloidosis) who had become resistant to standard treatment over time, resulting in more aggressive disease. The patients with chromosomal abnormality called t(11;14) were then treated with low dose venetoclax. The study demonstrates that venetoclax treatment was effective in 44% of all patients, 71% in AL-amyloidosis and 33% in MM subgroups. While 20 patients (80%) observed some adverse events, these were in all cases manageable and no deaths associated with venetoclax treatment were observed. The dominant adverse event was nausea, observed in 32% of patients.

    Hareth Nahi, the corresponding author Muhammad Kashif from the Department of Medicine, Huddinge, and the other researchers from Karolinska Institutet and Karolinska University Hospital, also established a simple method to predict of the response of venetoclax up to level of 91% specificity. This method can be used for personalized medicine and it would be easy to implement it at the pathology department at the Karolinska university hospital in Huddinge.

    The study was funded by the Swedish Cancer Society.


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