Objective To observe the early efficacy and toxicity of gemcitabine plus tegafur, gimeracil and oteracil potassium (S-1) regimen (GS regimen) in patients with metastatic castration-resistant prostate cancer (mCRPC) after docetaxel failure. Methods From July 2013 to December 2015, sixteen mCRPC patients who failed in the treatment of docetaxel-based chemotherapy in West China Hospital of Sichuan University were collected. And the patients were treated with gemcitabine 1 000 mg/m2 intravenously on Day 1 and S-1 40–60 mg/m2 orally dividedly twice daily on Day 1–10, which repeated every two weeks. The main outcome measures were total prostate-specific antigen (T-PSA) decline rate and pain remission rate. Results Of the 13 evaluable patients, the T-PSA decline rate≥50% was observed in 4 patients (30.8%). Among the 11 patients with bone pain, remarkable pain relief was observed in 4 cases (36.4%). Myelosuppression, gastrointestinal reaction, rash and fatigue were the commonly observed adverse reactions and the toxicity of chemotherapy was tolerable. Conclusion The GS regimen is active and tolerable in patients with mCRPC after docetaxel failure.
目的 观察替吉奥胶囊联合奥沙利铂治疗晚期结直肠癌的近期疗效和毒性反应。 方法 2011年5月－12月，将30例晚期结直肠癌患者根据体表面积来确定初始剂量，体表面积＜1.25 m2者，替吉奥胶囊40 mg/次，2次/d；体表面积1.25～1.50 m2者，替吉奥胶囊50 mg/次，2次/d；体表面积＞1.50 m2者，替吉奥胶囊60 mg/次，2次/d。早饭后和晚饭后分别口服1次，第1～4天服用奥沙利铂注射液 130 mg/ m2，静脉滴注，第1、21天重复，此为1个月周期。连用2周期后，按美国国立癌症研究所拟定的药物不良反应的分级评价标准3.0版本评价不良反应，按实体瘤治疗疗效评价标准评价疗效。 结果 30例患者中，完全缓解1例（3.3%），部分缓解7例（23.3%），稳定12例（40%），进展10例（33.3%），疾病控制率为66.6%。不良反应主要是血液学毒性、胃肠道反应、皮肤色素沉着及外周神经毒性；1例Ⅳ度骨髓抑制，3例3度贫血，2例3度腹泻，2例3度皮肤色素沉着，2例3度恶心、呕吐，其余且均在Ⅰ～Ⅱ度骨髓抑制。 结论 替吉奥胶囊联合奥沙利铂方案治疗晚期结直肠癌可获得较高的疾病控制率，不良反应可控。