Abstract
Background
This study aimed to explore the potential risk factors of platinum allergy and follow-up treatment to provide a reference for the clinical prevention and treatment of platinum allergic reactions in patients with gynecological tumors.
Methods
The study retrospectively analyzed 45 cases of platinum allergic reactions that occurred in Shengjing Hospital affiliated to China Medical University from August 2010 to July 2016. Analysis of risk factors included the cumulative dose, treatment course and time intervals.
Results
The cumulative carboplatin dose in allergic patients ranged from 900 to 10250 mg (average 4845 mg). The 45 allergic reactions occurred between the 3rd and 25th course of treatment (average 11.4 courses). The average re-treatment interval of carboplatin-allergic patients was 28.1 months, including 93.3% of patients with platinum re-treatment interval of more than 1 year. The allergic reaction occurred in the 2nd or 3rd course of re-treatment in 26 patients, accounting for 70.3% of all patients with recurrence. Seventeen patients were subjected to desensitization therapy, among which 13 cases were well tolerated.
Conclusions
Patients who received more than 8 courses of carboplatin or a cumulative dose of more than 3500 mg were the high-risk population for platinum allergy. The 2nd and 3rd treatment course after restarting carboplatin treatment after an interval time of more than 1 year was the high incident period of carboplatin allergy. Skin tests should be conducted in patients with high risk of carboplatin allergy. In cases of carboplatin allergy, patients could receive carboplatin or oxaliplatin desensitization therapy.
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