Combination chemotherapy with low doses of weekly Carboplatin and oral Etoposide in poor risk small cell lung cancer (Journal article)
Samantas, E./ Skarlos, D. V./ Pectasides, D./ Nicolaides, P./ Kalofonos, H./ Mylonakis, N./ Vardoulakis, T./ Kosmidis, P./ Pavlidis, N./ Fountzilas, G.
Sixty patients with poor prognostic features, either with extensive disease (ED) or limited disease (LD) small cell lung cancer (SCLC), were treated on an out-patient basis with Carboplatin 80 mg/m2 weekly for 3 weeks and oral Etoposide, at a dose of 100 mg, every other day for 21 days. The treatment was repeated every 5 weeks. Responding patients with LD were also treated with thoracic irradiation and those who achieved complete response (CR) received prophylactic cranial radio-therapy. The overall response rate (RR) was 32.1% with 8.9% CR. The responses were better for LD (RR 58.3%, CR 25%, partial response, PR 33.3%), than those for ED (RR 25%, CR 4.5%, PR 20.5%). The median time to progression (TTP) was 4.8 months and the median survival 5.5 months. These poor results could be attributed to the bad performance status and the presence of visceral and brain metastases in this group of patients. The results could also be due to the lower maximum concentration (Cmax) and higher T1/2 of Etoposide, as measured in the blood and urine probably due to the modified regimen used in our study and to the organ insufficiency in this selected group of patients. Although, toxicity was generally mild and manageable, two toxic deaths occurred. In conclusion, this regimen appears to have a lower efficacy in terms of response and survival than that obtained in other studies using Cisplatin or Carboplatin plus Etoposide in a similar way. Therapy with this regimen, though less toxic, may not be a reliable alternative in elderly patients with visceral metastases and ECOG performance status > or = 2.
|Institution and School/Department of submitter:||Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικής|
|Keywords:||Administration, Oral,Adult,Aged,Aged, 80 and over,Antineoplastic Combined Chemotherapy Protocols/adverse,effects/pharmacokinetics/*therapeutic use,Carboplatin/administration & dosage/pharmacokinetics,Carcinoma, Small Cell/*drug therapy/mortality/pathology/radiotherapy,Combined Modality Therapy,Disease Progression,Drug Administration Schedule,Etoposide/administration & dosage/pharmacokinetics,Female,Humans,Lung Neoplasms/*drug therapy/mortality/pathology/radiotherapy,Male,Middle Aged,Prognosis,Risk Assessment,Survival Analysis|
|Appears in Collections:||Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)|
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