Chemotherapy
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Preclinical data demonstrate that the polysaccharide hyaluronic acid (HA) acts as a macromolecular carrier for chemotherapeutic drugs. In these studies the formulation of HA and irinotecan reduced treatment-related toxicity and improved efficacy via the preferential delivery of irinotecan to the tumor and lymph nodes. This study was designed as a first-in-man investigation of the safety and pharmacokinetics of irinotecan when administered within the HA-Irinotecan formulation. ⋯ HA-Irinotecan containing standard doses of irinotecan can be safely administered to patients. Comparison to historical irinotecan data suggests HA-Irinotecan may have a greater margin of safety without compromising anticancer activity.
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This phase II study evaluated the efficacy and tolerability of dacarbazine in combination with thalidomide in metastatic melanoma patients. ⋯ The addition of thalidomide to dacarbazine in metastatic melanoma yielded activity insufficient to proceed with additional trials of this combination. Thalidomide dose escalation beyond 200 mg/day was limited by unacceptable toxicity. Therefore, this combination does not warrant further investigation.
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The risk of chronic hepatitis B virus reactivation under the influence of chemotherapy or immunosuppression is being increasingly recognized. However, many oncologists either have not observed this complication or are not aware of current recommendations for hepatitis B prophylaxis. Our aims were to determine the awareness of the reactivation risk and to understand the screening and prevention practices among oncologists. ⋯ Improving awareness of hepatitis B virus reactivation and antiviral prophylaxis in the oncology community seems warranted.