Postoperative adjuvant concurrent chemoradiotherapy improves survival rates for high-risk, early stage cervical cancer patients.
Ryu, HS; Chun, M; Chang, KH; Chang, HJ; Lee, JP
Gynecologic oncology, 96(2):490-495, 2005
OBJECTIVE: This study was undertaken to evaluate the efficacy of postoperative concurrent chemoradiotherapy (CCRT) and to investigate the recurrence and survival rates after adjuvant CCRT in high-risk early cervical cancer (stages IA2, IB, IIA) patients who were treated by radical hysterectomy and pelvic lymphadenectomy.
METHODS: From July 1994 to June 2001, we retrospectively reviewed the medical records of 151 patients who had undergone radical abdominal hysterectomy with pelvic lymphadenectomy and paraaortic lymph nodes dissection at Ajou University Hospital for early cervical cancer (stages IA2, IB, IIA). CCRT was performed in 30 patients with high-risk factors such as positive pelvic lymph nodes, parametrial involvement, or positive surgical margins. Adjuvant chemotherapy consisted of cisplatin (70 mg/m(2) on day 1) and 5-fluorouracil (5-FU; 1000 mg/m(2) on days 2-5) for four cycles every 4 weeks beginning 2-3 weeks after surgery. Pelvic radiotherapy was started concurrently at the second and third cycle of chemotherapy. We also analyzed the recurrence pattern and survival rates of 114 patients (control group) who received no adjuvant therapy after surgery. The mean follow-up period was 49 months (24-98 months).
RESULTS: There were recurrences in three patients after CCRT (10%) and in five patients in the control group (4.4%). The actuarial 5-year overall survival rates for patients in CCRT and control group were 96.7% vs. 97.7%, respectively. The progression-free survival rates were 88.7% for the high-risk group and 95.4% for the non-high-risk group.
CONCLUSIONS: This study confirms good local control and 5-year overall and progression-free survival rates in high-risk cervical cancer patients after CCRT, which is comparable with the results of the control group. Our results indicate that adjuvant concurrent chemoradiotherapy seems to be effective in stages IA2-IIA cervical cancer patients with high-risk factors.
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