(1) No increase in the incidence of GI NHL was found over a 9-year observation period; (2) nonrandom spatial distribution of new GI NHL cases was observed; (3) factors that significantly increased the risk of death in gastric cases were presence of B symptoms (RR = 3.3), clinical stage is more than II1 (RR = 3.0), age more than 72 years (RR = 2.4), and elevated serum lactate dehydrogenase (s-LDH) level (RR = 2.0); and factors that increased the risk of death in intestinal cases were presence of B symptoms (RR = 3.2), age more than 58 years (RR = 2.8), and clinical stage more than I (RR = 2.1); (4) factors that significantly increased the risk of relapse in gastric cases were male sex and no radiotherapy in primary treatment; and in intestinal cases were T-cell phenotype and no surgery in primary treatment; (5) surgical staging, as opposed to thorough noninvasive staging, did not improve staging accuracy and final outcome in localized gastric NHL.
Key Points• In newly diagnosed ITP, addition of rituximab to dexamethasone yields higher sustained response rates than dexamethasone alone.In this study, we report the results from the largest cohort to date of newly diagnosed adult immune thrombocytopenia patients randomized to treatment with dexamethasone alone or in combination with rituximab. Eligible were patients with platelet counts £25310/L with bleeding symptoms. A total of 133 patients were randomly assigned to either dexamethasone 40 mg/day for 4 days (n 5 71) or in combination with rituximab 375 mg/m 2 weekly for 4 weeks (n 5 62). Patients were allowed supplemental dexamethasone every 1 to 4 weeks for up to 6 cycles. Our primary end point, sustained response (ie, platelets ‡50310 9 /L) at 6 months follow-up, was reached in 58% of patients in the rituximab 1 dexamethasone group vs 37% in the dexamethasone group (P 5 .02). The median follow-up time was 922 days. We found longer time to relapse (P 5 .03) and longer time to rescue treatment (P 5 .007) in the rituximab 1 dexamethasone group. There was an increased incidence of grade 3 to 4 adverse events in the rituximab 1 dexamethasone group (P 5 .04). In conclusion, rituximab 1 dexamethasone induced higher response rates and longer time to relapse than dexamethasone alone. This study is registered at
Two lipid membrane sculpting BAR domain proteins, PICK1 and ICA69, play a key role early in the biogenesis of peptide hormone secretory vesicles and are critical for normal growth and metabolic homeostasis.
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