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Related Experiment Videos

Diffuse histiocytic lymphoma. The need for aggressive restaging.

B H Weinerman, M Levitt, T Babick

    JAMA
    |May 30, 1977
    PubMed
    Summary
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    Combination chemotherapy (COPP) showed promise for advanced diffuse histiocytic lymphoma, with eight of fifteen patients achieving complete remission. However, relapses occurred, highlighting the need for biopsy and pathologic staging to confirm remission and long-term outcomes.

    Area of Science:

    • Oncology
    • Hematology
    • Clinical Chemotherapy

    Background:

    • Diffuse histiocytic lymphoma (DHL) is an aggressive non-Hodgkin lymphoma.
    • Effective treatment strategies for advanced stages (III and IV) are crucial.

    Purpose of the Study:

    • To evaluate the efficacy of cyclophosphamide, vincristine sulfate, prednisone, and procarbazine hydrochloride (COPP) chemotherapy in advanced DHL.
    • To assess remission rates, relapse patterns, and survival outcomes.

    Main Methods:

    • A cohort of 15 patients with stage III and IV DHL received COPP combination chemotherapy.
    • Complete clinical remission, relapse, reinduction of remission, and survival were monitored.

    Main Results:

    • Eight out of fifteen patients achieved complete clinical remission (CR).

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  • Five patients who achieved CR subsequently relapsed; three of these achieved reinduced remission.
  • Median survival for partial responders was 52 weeks versus over 129 weeks for complete responders.
  • Complete clinical remission did not consistently predict a long disease-free interval.

    • Conclusions:

    • COPP chemotherapy can induce remission in advanced DHL, but relapse is common.
    • Pathologic examination, including biopsy and staging, is essential for accurate remission documentation in DHL.
    • Clinical remission alone may not be sufficient to predict long-term disease control.