Treatment Response and Acute Toxicity of Concurrent Chemoradiotherapy for Uterine Cervix Cancer in Comparison with Radiotherapy Alone

İleri evre serviks kanseri tedavisinde yüksek doz oranlı brakiterapi (HDR-brakiterapi) ve dıştan odaklamalı radyoterapi (external beam radiotherapy) rejimlerinin tek başına ve eş zamanlı sisplatin kemoterapisi ile uygulandığında uygulanabilirlik, güvenlik, tedaviye yanıt ve etkinlik açısından karşılaştırılması. Hastalar ve Yöntem: İleri evre serviks kanseri olan toplam 95 hasta incelemeye dahil edildi. Hastalar 119 gruba ayrıldı. Birinci gruptaki hastalara total doz 46-50 Gy olacak şekilde dıştan odaklamalı radyoterapi (external beam radiotherapy), yüksek doz oranlı brakiterapi (HDR-brakiterapi)-7.5 Gy'lik dörde bölünmüş haftalık fraksiyonlar halinde uygulandı. İkinci gruptaki hastalar 46-50 Gy dıştan odaklamalı radyoterapi (external beam radiotherapy), iki haftalık 9.0 Gy yüksek doz oranlı brakiterapi (HDR-brakiterapi) aldı. Üçüncü gruptaki hastalara ise aynı radyoterapi rejimleri ile birlikte eş zamanlı sisplatin (haftalık 40 mg/m2 beş hafta boyunca) kemoterapisi uygulandı. Bulgular: Bütün hastalar planlanan radyoterapiyi aldı ve üçüncü gruptaki hastaların da %96'sı en az dört siklus kemoterapi aldı. Tam yanıt oranları Grup l, Grup 2 ve Grup 3'te sırasıyla %88.8, %90 ve %96.6 olarak tespit edildi. Tedavi ile ilişkili toksisite (özellikle hematolojik) CTC RTOG Skalası ile değerlendirildi ve Grup 3'te belirgin olarak yüksekti. Sonuç: Dıştan odaklamalı radyoterapi (external beam radiotherapy) ve yüksek doz oranlı brakiterapi (HDR-brakiterapi)'nin sisplatin ile eş zamanlı uygulandığında akut hematolojik toksisitedeki kabul edilebilir artışa rağmen güvenli ve etkin görünmektedir.

Serviks Uteri Kanseri Tedavisinde Eş Zamanlı Kemoradyoterapi ve Yalnız Radyoterapinin Tedaviye Yanıt ve Akut Toksisite Açısından Karşılaştırılması

Introduction: To assess treatment response, feasibility, safety and effectiveness of radiotherapy by different regimens of HDRbrachytherapy and external beam radiotherapy (EBRT) with and without concurrent cisplatin in the treatment of advanced cervical cancer. Patients and Methods: A total of 95 patients with advanced cervical cancer were included for analysis. All patients were divided to 3 groups. In the I group we used EBRT in total dose 46-50 Gy, HDRBt - four 7.5 Gy weekly fractions. II group patients received 46-50 Gy EBRT, two weekly 9.0 Gy HDRBT fractions. In the III group we carried out the same radiotherapy regimen plus concorrent cisplatin (40 mg/m2 of body surface per week for five weeks). Results: All patients completed radiotherapy as planned and in the III group 96% patients received at least four cycles chemotherapy. Complete response (CR) was obtained at 88.8%, 90%, 96.6% patients in I, II, III groups correspondingly. Treatment related toxicity (particularly hematological) which was assessed according to CTC RTOG scale was significantly higher in the HI group. Conclusion: EBRT, HDRBt plus cisplatin appears to be safe and effective, although acute hematological toxicity is increased but appears to be acceptable.

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Acta Oncologica Turcica-Cover
  • ISSN: 0304-596X
  • Başlangıç: 2015
  • Yayıncı: Dr. Abdurrahman Yurtaslan Ankara Onkoloji EAH
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