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  • 1995-1999  (2)
  • Carboplatin  (1)
  • Cardiomyopathy  (1)
  • 1
    ISSN: 1437-7772
    Keywords: Key words Uterine cervical carcinoma ; Neoadjuvant chemotherapy ; Prognosis ; Carboplatin ; Ifosfamide ; Peplomycin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background. To control advanced cervical squamous cell carcinoma more effectively and more easily, we used neoadjuvant chemotherapy, with three drugs carboplatin, ifosfamide, and peplomycin (PIP), in a study performed from July 1990 to October 1994 in nine Institutions. Methods. Sixty-five patients with untreated, inoperable squamous cell carcinoma of the cervix were treated with carboplatin (300 mg/m2 IV; low-dose PIP regimen, or 400 mg/m2 IV; high-dose PIP regimen) on day 1, ifosfamide (1000 mg/m2, IV) on days 1–3, and peplomycin (5 mg/body, IM) on days 1–6. The low-dose PIP was given between July 1990 and April 1992, and the high-dose PIP from May 1992 to October 1994. Results. Response rates for the low- and high-dose PIP regimens were 42.9% (12/28) and 59.5% (22/37), respectively. Measurable lesions were recognized in the cervix, pelvic lymph node (PeN), paraaortic lymph node (PAN), lung, and supraclavicular lymph node. Response rates in these individual lesions to our low- and high-dose PIP regimens were 35.7% (10/28) and 55.6% (20/36), respectively in the cervical lesion and more than 50% for both regimens in the PeN and PAN metastatic lesions, while the supraclavicular lymph node metastatic lesions responded poorly to both regimens. After low-dose PIP, surgery was performed in 2 patients (2/28; 7.1%), while after high-dose PIP, 12 patients (12/37; 32.4%) underwent surgery. The 3-year survival rate of patients with high-dose PIP was significantly higher than that of those with low-dose PIP (P 〈 0.01). Conclusions. Neoadjuvant chemotherapy with PIP appears feasible and effective. The link between dosage and treatment response and achievable surgery rate and survival rates suggests that results might be further optimized by considering patients' renal function, and utilizing the Calvert formula for dosing analysis.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1437-773X
    Keywords: Key words Advanced glycation end products (AGEs) ; Mongolian gerbil ; Coronary artery ; Cardiomyopathy ; Streptozotocin (STZ)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This study was designed to clarify the developing mechanism of cardiomyopathy and vasculopathy in streptozotocin-treated Mongolian gerbils. Twenty male Mongolian gerbils (MG; 10–12 weeks old) were used, and 150 mg/kg of streptozotocin (STZ) was injected into the left femoral vein. Six control male MG were injected intravenously with normal saline. The animals showed severe hyperglycemia (up to 330 ± 96.4 mg/dl) by 1 week after streptozotocin administration. At 1 week after STZ treatment, cardiomyocytes revealed no significant change, but unclear striated structures were demonstrated in cardiomyocytes at 4 weeks. After 1 year, anisocytosis was observed, and in the perinuclear region granular components were stained positively with periodic acid-Schiff reagent. Ultrastructurally, at 4 weeks and 1 year after STZ treatment, cardiomyocytes were irregular in size, and oval amorphous and lysosomal electron-dense bodies were observed in perinuclear and cytoplasmic regions. In coronary arteries, endothelial and medial cells revealed increased vesicles and intercellular collagen fibrils. Capillaries showed slight swelling of endothelial cells associated with the lamellar thickening of basement membrane and collagen fibrils in the perivascular regions. Immunohistochemically, advanced glycation end products (AGE) were observed in the cytoplasm of vascular and heart cells, and ultrastructurally the reaction products were demonstrated in the endoplasmic reticulum and lysosomes of cardiomyocytes and vascular cells in the STZ-treated Mongolian gerbils. AGE may play an important role not only in angiopathy but also in cardiomyopathy of STZ-treated Mongolian gerbils after STZ treatment.
    Type of Medium: Electronic Resource
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