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Complementary and Alternative Medicine: A Clinical Study in 1,016 Hematology/Oncology Patients
Marina Hierl1, Jochen Pfirstinger, Reinhard Andreesen
1Department of Internal Medicine III, Hematology and Medical Oncology, University Hospital of Regensburg, Regensburg, Germany.
Introduction:
Surveys state a widespread use of complementary and alternative medicine (CAM) in patients with malignant diseases. CAM methods might potentially interfere with the metabolization of tumor-specific therapy. However, there is little communication about CAM use in hematology/oncology patients between patients, CAM providers, and oncologists.
Patients And Methods:
A self-administered questionnaire was handed out to all patients attending to the hematology/oncology outpatient clinic of Regensburg University Hospital. Subsequently, a chart review of all CAM users was performed.
Results:
Questionnaires of 1,016 patients were analyzed. Of these patients, 30% used CAM, preferably vitamins and micronutrients. Main information sources for CAM methods were physicians/nonmedical practitioners and friends/relatives. CAM therapies were provided mainly by licensed physicians (29%), followed by nonmedical practitioners (14%) and the patients themselves (13%). Although 62% of the CAM users agreed that the oncologist may know about their CAM therapy, a chart entry about CAM use was found only in 41%.
Conclusion:
CAM is frequently used by hematology/oncology patients. Systematic communication about CAM is essential to avoid possible drug interactions.
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