Abstract:
BACKGROUND:Osteosarcoma is a rare malignancy, and patients with this disease benefit from adjuvant chemotherapy. While cisplatin, anthracyclines and ifosfamide are the most commonly used agents in the treatment of osteosarcoma, a search for the best combination with higher efficacy and minimal toxicity continues. We planned to evaluate the efficacy of epirubicin combined with cisplatin and ifosfamide in patients with localized primary osteosarcoma. METHODS:Patients with nonmetastatic extremity osteosarcoma who were older than 15 years were included in the study. The preoperative chemotherapy regimen consisted of epirubicin 90 mg/m(2), cisplatin 100 mg/m(2) on day 1 and ifosfamide 2.0 g/m(2)/day with an equivalent dose of mesna on days 2-4, repeated every 21 days. Six cycles of this combination regimen were administered (3 cycles prior to surgery and 3 cycles postoperatively). RESULTS:Forty-five patients with localized osteosarcoma entered this phase II trial. Median follow-up was 64 months. Thirty-two patients (84%) received the assigned 6 cycles of chemotherapy. Complete and good histological response to neoadjuvant chemotherapy was 26 and 37%, respectively. The 5-year disease-free and overall survival rates were 41.9% (95% CI 33.6-50.2) and 48.2% (95% CI 39.6-56.8). The most prominent grade 4 toxicity was neutropenia occurring in 32% of patients. The lungs were the most frequent site of relapse (32%). CONCLUSIONS:The combination of cisplatin, ifosfamide and epirubicin is an active, reasonably well-tolerated regimen without grade 3 or 4 cardiac toxicity in patients with nonmetastatic extremity osteosarcoma and deserves further investigation in the context of prospective phase III trials.
journal_name
Oncologyjournal_title
Oncologyauthors
Basaran M,Bavbek ES,Saglam S,Eralp L,Sakar B,Atalar AC,Bilgic B,Ozger H,Onat Hdoi
10.1159/000113017subject
Has Abstractpub_date
2007-01-01 00:00:00pages
255-60issue
3-4eissn
0030-2414issn
1423-0232pii
000113017journal_volume
72pub_type
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