Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UNIPROT:Q0Z944 (hemoglobin)
 63,986 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Uncontrolled diabetes mellitus is associated with both microvascular and macrovascular complications. Despite an array of treatment options available, achievement of euglycemia in most patients with diabetes is still lacking. Pramlintide acetate, a synthetic analog of the human hormone amylin and belonging to a new class of agents, was approved in March 2005 as adjunctive treatment in patients with type 1 or 2 diabetes mellitus. To evaluate the data available on the efficacy and safety of pramlintide, we conducted a search of MEDLINE (January 1966-May 2006) and International Pharmaceutical Abstracts (January 1970-May 2006). Bibliographies of clinical trials were reviewed for additional references. The literature reviewed demonstrated that pramlintide is effective in reducing levels of glycosylated hemoglobin and potentially preventing weight gain. The most commonly reported adverse effects associated with pramlintide were nausea, anorexia, and hypoglycemia. These adverse effects occurred more often during the initiation of therapy and were usually mild to moderate in nature. Whether this therapy is a cost-effective option for patients with type 1 or type 2 diabetes mellitus is yet to be determined.
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PMID:Adjunctive therapy with pramlintide in patients with type 1 or type 2 diabetes mellitus. 1706 8

A phase I/II study to determine the recommended dose for combination therapy with CPT-11 (irinotecan hydrochloride) and S-1 (tegafur, gimestat and otastat potassium) for advanced or recurrent gastric cancer, and to assess the safety and efficacy of this therapy. In the phase I portion of the study, S-1 was administered from day 1 to 14 at a fixed dose approved in Japan (80 mg/m2/day), and CPT-11 was administered on days 1 and 8, with its dose being escalated to 100 from 80 mg/m2. This regimen was repeated at 3-week intervals. The phase II portion of the study assessed the efficacy and safety of this regimen at the recommended dose determined in the phase I portion of the study. Seven patients were enrolled in the phase I portion of the study. The dose-limiting toxicity was the delay of administration owing to adverse reactions (leucopenia and diarrhea). The maximum tolerated dose of CPT-11 was 100 mg/m2 and the recommended dose was determined to be 80 mg/m2. In the phase II portion of the study, 10 patients with no prior chemotherapy regimen were enrolled. The median number of treatment cycles given was 4.5, the response rate was 20.0% (2/10) in all patients, the tumor control rate stable disease or better response was 60% (6/10) and the mean survival time was 311 days. Major adverse reactions included a decreased hemoglobin level, diarrhea, nausea and anorexia of grade 3 or worse (each occurred in 10% of the patients). Other adverse reactions were slight and well tolerated. The present combination therapy with CPT-11 and S-1 produced a low response rate but a high tumor control rate (stable disease or better response) and slight prolongation of survival time. This is a well-tolerated ambulatory regimen for advanced gastric cancer.
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PMID:Phase I/II study of irinotecan (CPT-11) and S-1 in the treatment of advanced gastric cancer. 1741 30

This study evaluated the antitumor effect and safety of S-1, an oral fluoropyrimidine derivative, in patients with metastatic pancreatic cancer. Chemo-naive patients with pancreatic adenocarcinoma, and measurable metastatic lesions were enrolled. S-1 was administered orally twice daily after meals at a dose of 80, 100, or 120 mg/day for body surface areas (BSAs) of less than 1.25 m(2), between 1.25 m(2) and less than 1.5, or 1.5 m(2) or greater, respectively, for 28 consecutive days, followed by a 14-day rest. Fifteen (37.5%) of 40 patients responded to treatment, including 1 complete response and 14 partial responses. The median time to progression and the overall survival time were 3.7 months (95% confidence interval, 2.2-5.6 months) and 9.2 months (95% confidence interval, 7.5-10.8 months), respectively. The major adverse events were anorexia, fatigue, hemoglobin reduction, nausea and pigmentation change, although most were tolerable and reversible. Although disseminated intravascular coagulation occurred in two patients, the condition resolved with anticoagulant therapy. S-1 is an effective and well-tolerated drug. The effectiveness of this drug should be confirmed in a phase III study.
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PMID:A late phase II study of S-1 for metastatic pancreatic cancer. 1752 Feb 53

Renal TB is difficult to diagnose, because many patients present themselves with lower urinary symptoms which are typical of bacterial cystitis. We report a case of a young woman with renal TB and ESRD. She was admitted with complaints of adynamia, anorexia, fever, weight loss, dysuria and generalized edema for 10 months. At physical examination she was febrile (39 degrees C), and her abdomen had increased volume and was painful at palpation. Laboratorial tests showed serum urea = 220 mg/dL, creatinine = 6.6 mg/dL, hemoglobin = 7.9 g/dL, hematocrit = 24.3%, leukocytes = 33,600/mm(3) and platelets = 664,000/mm(3). Urinalysis showed an acid urine (pH = 5.0), leukocyturia (2+/4+) and mild proteinuria (1+/4+). She was also oliguric (urinary volume < 400 mL/day). Abdominal echography showed thick and contracted bladder walls and heterogeneous liquid collection in the left pelvic region. Two laparotomies were performed, in which abscess in pelvic region was found. Anti-peritoneal tuberculosis treatment with rifampin, isoniazid and pyrazinamide was started. During the follow-up, the urine culture was found to be positive for M. tuberculosis. Six months later the patient had complaints of abdominal pain and dysuria. New laboratorial tests showed serum urea = 187 mg/dL, creatinine = 8.0 mg/dL, potassium = 6.5 mEq/L. Hemodialysis was then started. The CT scan showed signs of chronic nephropathy, dilated calyces and thinning of renal cortex in both kidneys and severe dilation of ureter. The patient developed neurologic symptoms, suggesting tuberculous meningoencephalitis, and died despite of support measures adopted. The patient had ESRD due to secondary uropathy to prolonged tuberculosis of urinary tract that was caused by delayed clinical and laboratorial diagnosis, and probably also due to inadequate antituberculous drugs administration.
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PMID:End-stage renal disease due to delayed diagnosis of renal tuberculosis: a fatal case report. 1762 50

In the present study, we examined the appropriate schedule of S-1 medication in the combination with radiation by investigating the safety, the clinical efficacy, and antitumor effects on tumors in nude mice. In the patients with oral squamous cell carcinoma (OSCC), S-1 was given orally according to a 4-week application followed by 2-week rest regimen (4-week regimen), or a 2-week application followed by a 1-week rest regimen (2-week regimen). Radiation was given (2 Gy/day; 5 days/week) for a total of 60 Gy. In nude mouse models, human oral cancer cell lines were used as subcutaneous xenografts in nude mice. The mice were treated by S-1 (10 mg/kg) and radiation (1 Gy) with a 4-week regimen or a 2-week regimen. Apoptotic cells were detected by TUNEL method. In the patients with OSCC, the response rate with the 4-week regimen was 100% and the response rate with the 2-week regimen was 92.3%. However, a high frequency of adverse effect was found in the 4-week regimen when compared to the 2-week regimen. Grade 3 toxicity of leukopenia, neutropenia and stomatitis were seen in 3 cases, grade 3 toxicity of anorexia and nausea were seen in 2 cases, and grade 3 toxicity of decrease of hemoglobin level, heartburn/dyspepsia and increase of bilirubin level were seen in a case of the 4-week regimen. On the other hand, grade 3 toxicity of stomatitis, anorexia, nausea, heartburn/dyspepsia and increase of bilirubin level were seen in a case of the 2-week regimen. In nude mouse models, the 2-week regimen was more effective than the 4-week regimen. In addition, significant increase in the percentage of apoptotic cells was observed in the tumors treated with the 4-week regimen when compared with the tumors treated with the 2-week regimen. No loss of body weight was observed in mice treated with the 2-week regimen during the experimental period. These results suggested that the 2-week regimen might reduce adverse effects, and enhance therapeutic effects compared to the 4-week regimen. Briefly, this 2-week regimen may be a useful concurrent chemo-radiotherapy improving the quality of life (QOL) of patients with OSCC.
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PMID:Investigation of optimal schedule of concurrent radiotherapy with S-1 for oral squamous cell carcinoma. 1791 56

Pulse therapy is one of the most well-known methods used in the treatment of juvenile rheumatoid arthritis. This study assessed the outcome of methylprednisolone pulse therapy, its rate of efficacy, and its associated complications in patients with juvenile rheumatoid arthritis (JRA). This cross-sectional study was performed on 120 children with JRA who attended the Pediatric Ward of Imam Khomeini Hospital from 1994 to 2004 and who had undergone around 500 cycles of methylprednisolone pulse therapies. Clinical signs, including signs of improvement, complications, or recurrence of disease, were noted. SPSS version 11.5 and paired t test were used to compare the variables prior to and after treatment. Clinical signs observed included: feeling of weakness (100%), malaise (98.3%), loss of appetite (93.3%), fever (88.3%), skin rash (28%), lymphadenopathy (18.3%), serositis (4.2%), splenomegaly (3.3%), and hepatomegaly (1.7%); however, none of these findings were present after pulse therapy. The number of swollen and tender joints, duration of morning stiffness, erythrocyte sedimentation rate, C-reactive protein, and hemoglobin levels showed significant improvement after pulse therapy. Complications of pulse therapy included tachycardia (n = 16, 13.3%), hypertension (n = 10, 8.3%), headache (n = 2, 1.7%), and flashing (n = 2, 1.7%). The mean duration of remission was 3.3 +/- 0.7 months.
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PMID:Efficacy of methylprednisolone pulse therapy in children with rheumatoid arthritis. 1860 80

Data from a clinical study of 86 pancreatic cancer patients with involuntary, significant weight loss (cachexia) were used to explore the relationship between patient-reported outcomes (PROs) and survival. In all, 28 pancreatic cancer patients with cachexia were given gemcitabine (Gemzar) plus 3 mg/kg of infliximab (Remicade), 28 were given gemcitabine plus 5 mg/kg of infliximab, and 30 were given gemcitabine plus placebo in a double-blinded, phase II, multicenter trial. PRO endpoints included scores from the Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F), Functional Assessment of Anorexia/ Cachexia Therapy (FAACT), Brief Pain Inventory (BPI), and the Short-Form 36 general health survey (SF-36). Population mean scores at baseline indicated fatigue problems (FACIT-F), nutritional health issues (FAACT), and mild-to-moderate pain (BPI "worst pain" score). Baseline normalized SF-36 values for physical functioning, vitality, and mental health indicated substantial impairment. Baseline fatigue and physical-functioning scores predicted survival as well as, or better than, baseline Karnofsky Performance Status or hemoglobin level. A cut-point in the FACIT-F score (median < or = 30) strongly predicted mortality; patients with greater fatigue had a lower median overall survival than did those with less fatigue. These findings supported several features of an a priori clinical-benefit model. Patient-reported fatigue provided powerful prognostic information; tracking of this symptom may be useful for treatment planning and medical monitoring of advanced-stage pancreatic cancer patients with cachexia. These results must be confirmed by larger trials.
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PMID:The prognostic significance of patient-reported outcomes in pancreatic cancer cachexia. 1872 39

Maintenance of the red blood cell volume is a fundamental aspect of ensuring oxygen supply to the tissue. Recombinant human erythropoietin (rHuEPO) was approved for marketing in Japan in 1990 for the treatment of anemia in patients on dialysis. Recombinant human erythropoietin caused a significant increase in hemoglobin (Hb) levels in patients on dialysis. However, not all have a good response to rHuEPO therapy; the causes of rHuEPO failure include iron deficiency, infection, uremia, and interaction of some drugs. Juzen-taiho-to (TJ-48), a mixture of extracts from 10 medicinal herbs, has been used traditionally to treat patients with anemia, anorexia, or fatigue. To clarify the effect of TJ-48 on erythropoietin-resistant anemia, we studied the effect of TJ-48 in patients on hemodialysis with erythropoietin-resistant anemia. We divided 42 end-stage renal disease patients on hemodialysis with erythropoietin-resistant anemia (Hb<10.0 g/dL with rHuEPO 9000 U/wk or 15 U/kg/wk treatment) into 2 groups as follows: a TJ-48-treated group (TJ-48 group, 7.5 g/d, n=22) and a TJ-48 nontreated (control group, n=20). At the beginning of this study, there was no significant difference between the groups in age, sex, serum creatinine, blood urea nitrogen, serum iron, and ferritin. After 12 weeks of treatment, the Hb level had significantly increased from 8.4 +/- 1.1 to 9.5 +/- 1.3 g/dL (P=0.0272) in the TJ-48 group. C-reactive protein (CRP) had significantly decreased from 1.4 +/- 1.7 to 0.6 +/- 0.8 mg/dL (P=0.0438). There was a significant negative correlation between Hb and CRP in the TJ-48 group (r(2)=0.121, P=0.0066). In contrast, in the control group, Hb and CRP showed no significant changes throughout this study. Nor was there a significant correlation between Hb and CRP in the control group. In conclusion, TJ-48 was effective in improving erythropoietin-resistant anemia in end-stage renal disease patients. This effect was, at least in part, due to the anti-inflammatory effect of TJ-48 in patients on hemodialysis.
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PMID:Orally administrated Juzen-taiho-to/TJ-48 ameliorates erythropoietin (rHuEPO)-resistant anemia in patients on hemodialysis. 1883 71

Many individuals with diabetic nephropathy, the leading cause of chronic kidney disease (CKD) in the United States, progress to stage 5 of CKD and undergo maintenance dialysis treatment. Recent data indicate that in up to one third of diabetic dialysis patients with a presumptive diagnosis of diabetic nephropathy, glycemic control improves spontaneously with the progression of CKD, loss of residual renal function, and the initiation of dialysis therapy, leading to normal-to-low hemoglobin A1c (<6%) and glucose levels, requiring cessation of insulin or other anti-diabetic medications. Potential contributors to this so-called "burnt-out diabetes" include decreased renal and hepatic insulin clearance, a decline in renal gluconeogenesis, deficient catecholamine release, diminished food intake (because of anorexia or diabetic gastroparesis), protein-energy wasting (with resultant loss of weight and body fat), and the hypoglycemic effects of dialysis treatment. Although the concept of "burnt-out diabetes" appears in sharp contradistinction to the natural history of diabetes mellitus, studying this condition and its potential causes and consequences, including the role of genetic factors, may lead to a better understanding of the pathophysiology of metabolic syndrome and diabetes mellitus in the CKD population and in many other individuals with chronic disease states associated with wasting syndrome that can confound the natural history of diabetes.
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PMID:Burnt-out diabetes: impact of chronic kidney disease progression on the natural course of diabetes mellitus. 1912 68

This study assessed the dose-dependent efficacy and safety of exenatide over 12 weeks in Japanese patients with type 2 diabetes suboptimally controlled despite therapeutic doses of sulfonylurea (SU), SU plus biguanide, or SU plus thiazolidinedione. Patients were randomly assigned to placebo (N = 40), 2.5 microg (N = 38), 5 microg (N = 37), or 10 microg (N = 38) exenatide administered subcutaneously twice daily (BID). Patients randomly assigned to 10 microg exenatide received 5 microg BID for the first 4 weeks, with the dose escalated to 10 microg BID for the final 8 weeks. Patients were 60.3 +/- 9.7 years old, with body mass index 25.3 +/- 4.3 kg/m(2) and hemoglobin A1c (HbA1c) 8.0 +/- 0.8%. Baseline-to-endpoint HbA1c changes (%) were +0.02 +/- 0.1 (placebo), -0.9 +/- 0.1 (2.5 microg), -1.2 +/- 0.1 (5 microg), and -1.4 +/- 0.1 (10 microg) (all p < 0.001 vs. placebo). Of patients with baseline HbA1c -7%, 5.1% (placebo), 50.0% (2.5 microg), 71.4% (5 microg), and 79.4% (10 microg) achieved HbA1c <7% at endpoint (p < 0.001, trend test). Baseline-to-endpoint fasting plasma glucose changes (mg/dL) were +6.0 +/- 4.8 (placebo), -18.6 +/- 5.7 (2.5 microg), -25.0 +/- 7.0 (5 microg), and -28.9 +/- 5.9 (10 microg) (all p < or = 0.001 vs. placebo). Treatment-emergent adverse events were mostly mild; dose-dependent increases in incidence were observed for hypoglycemia, nausea, anorexia, decreased appetite, and diarrhea (all p < or = 0.044, trend test). Over 12 weeks, exenatide dose-dependently improved glycemic control in Japanese patients with type 2 diabetes.
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PMID:Exenatide exhibits dose-dependent effects on glycemic control over 12 weeks in Japanese patients with suboptimally controlled type 2 diabetes. 1919 50


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