We retrospectively assessed seventy-four consecutive patients with AML over 65 years of age (median 71; range 65-88) treated with an individualized approach in two specialized cancer centers. Patients were managed according to their performance status (PS) and associated diseases in both institutions. The proportion of patients with poor PS (3-4) was higher in center 1 (37%) than in center 2 (10%) and in center 1 palliative treatment was given more frequently (16/32 patients) than in center 2 (7/42 patients). Fifty-one patients received intensive combination chemotherapy including an anthracycline and ara-C or VP16 (2 patients) and 36 patients received a second intensive course as reinduction or as consolidation treatment after complete remission. Patients not eligible for myelosuppressive chemotherapy were treated with palliative measures (23 patients). With intensive chemotherapy, complete remission (CR) was achieved in 29 of 51 patients (57%), after first (20 patients) or second course (9 patients) and the rate of deaths during induction was 14% (7 patients). The CR rate was lower for patients with performance status >or= 2 (48%) as compared to patients with performance status or= 2) was associated with reduced survival (hazard ratio: 3.29, 95% confidence interval: 1.75-6.17). Overall 2-years and 5-years survival were 20% and 11% for the patients treated intensively. From this study it appears that an individualized approach of treatment with intensive chemotherapy for selected patients offers a substantial CR rate and an improvement in survival. This analysis also suggests that differences in outcome between single institutions can be explained mainly by referral and selection biases
Systemic reactions to subcutaneous immunotherapy occur despite all necessary precautions and experienced staff and should prompt a search for causative factors. We present an analysis of 11 reactions, 8 of them within a short period. The patients and reactions were evaluated regarding extract errors (composition, concentration), dosing errors, ignored contraindications to specific subcutaneous immunotherapy, introductions versus maintenance phase and accidental intravascular injection. No single or common cause could be identified. Statistical analysis suggests that exceptional clusters of systemic reactions such as these may be just random cumulations without identifiable cause.
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