Gene/Protein Disease Symptom Drug Enzyme Compound
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 31,883 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Advanced renal cell carcinoma is a chemoresistant disease. Immunotherapy with alpha interferon or interleukin (IL)-2 has produced response rates of approximately 15%, but better treatments are needed. IL-4 is a cytokine produced by activated CD4+ lymphocytes and has pluripotent activities including inhibiting the in vitro proliferation of human renal cell carcinoma cell lines. In this trial, patients were required to have a histologic diagnosis of renal cell adenocarcinoma with measurable disease and performance status (SWOG) of 0-1. Patients had to have adequate bone marrow, renal, and hepatic function as well as no clinically significant pulmonary or cardiac dysfunction. IL-4 was given by subcutaneous injection at a dose of 5 micorg/kg/d, daily for 28 days followed by a 7-day rest period. Fifty-eight patients were registered with seven patients ineligible and two patients not analyzable because they did not receive treatment. In the 49 eligible and analyzable patients, there were no confirmed complete or partial responses. There was one unconfirmed partial response in retro-caval lymph nodes, but no verifying measurement was done. There were seven patients with stable disease, no response, 25 with increasing disease/progression, and 16 patients whose assessment was inadequate to determine response. The median time to progression was 3 months, and the median survival was 13 months. Toxicity was significant with the most common side effects nausea, vomiting, or diarrhea, followed by headache/pain and malaise/fatigue/lethargy. There were 13 instances of grade 4 toxicity that occurred in nine different patients. Unique toxicities included Bell's palsy in three patients and hypoglycemia in a previously well-controlled diabetic. Despite promising growth inhibitory and immunologic effects, IL-4 in this dose and schedule is not useful for the treatment of patients with disseminated renal cell carcinoma.
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PMID:Phase II trial of recombinant human interleukin-4 in patients with advanced renal cell carcinoma: a southwest oncology group study. 1214 58

With the introduction of new drugs such as alpha-interferon (IFN) and purine analogs, the management of hairy cell leukemia (HCL) patients has changed. However, deoxycoformycin (DCF) produced higher complete remission rates than IFN. The current study was undertaken to provide long-term data on duration of overall survival (OS) and disease-free survival (DFS) and incidence of subsequent malignancies. We retrospectively analyzed the data of patients treated with DCF (4 mg/m2/day, every 2 weeks) from 39 French centers. In 84 of 238 included patients, DCF was the first-line therapy. Pretreatment variables influencing the achievement of complete remission, DFS, and OS were identified by multivariate analysis. Two hundred and thirty-eight patients received a median of nine cycles (range, 1-19 cycles). A complete remission was obtained in 182 of 230 evaluable patients (79%) and a partial response was obtained in 38 patients, for an overall response rate of 95.6%. In the multivariate analysis hemoglobin level less than 100 g/l and leukocytes less than 2 x 10(9)/l were parameters adversely influencing complete remission achievement. With a median follow-up of 63.5 months (range, 0.39-138.4 months), disease recurrence was observed in 34 of 220 responding patients (15%). The estimated 5-years and 10-years DFS was 88.1% and 68.8%, respectively. Hemoglobin level less than 100 g/l and leukocytes less than 2 x 10(9)/l were the pre-treatment variables associated with a shorter DFS. The estimated 5-year and 10-year OS were 89.4% and 88.7%, respectively. Hemoglobin level less than 100 g/l, leukocytes less than 2 x 10(9)/l, and adenopathy were significant factors of reduced survival. Hematologic toxicity was the main side-effect, followed by infection and emesis. During the period of follow-up, 18 patients developed second cancer, but the standardized incidence ratio was 0.95. Pentostatin is a highly effective regimen for hairy cell leukemia that produces durable complete responses. Toxicity of DCF is acceptable. Subsequent malignancies do not appear to be increased with pentostatin treatment.
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PMID:Long-term outcome with pentostatin treatment in hairy cell leukemia patients. A French retrospective study of 238 patients. 1252 59

Despite nine studies reporting the results achieved when treating patients with chronic myeloid leukemia (CML) with interferon (rIFNalpha) and cytarabine (araC), the optimal doses and schedule for this combination remain to be determined. Results of imatinib mesylate (STI-571) in chronic phase CML are preliminary, thus, trials of rIFNalpha-2b/araC in CML are of continued interest. We report the results of CALGB study 9013, providing a 10-year follow-up on 88 evaluable previously untreated patients. Cycles of therapy with rIFNalpha-2b and araC sufficient to cause a decline in either the white blood cell (WBC) count to < 2000/microl or platelets to < 50,000/microl were given. The starting dose of rIFNalpha-2b was 5 million units (mu)/m2/day subcutaneously (s.c.) and of araC 10 mg/m2 twice daily s.c. Treatment was discontinued when cytopenia occurred and was restarted when both the WBC and platelet counts had recovered. Bone marrow was obtained regularly for morphologic, cytogenetic and molecular studies. Medians at entry included age 48 years, WBC = 89,900/microl and platelets = 345,000/microl. The performance status was 0 or 1 in 88%; splenomegaly was present in 46%. Fifty five (63%) patients had a complete hematologic response and 10 (11%) had a partial hematologic response for an overall response rate of 74%. Median time to best response was 5.3 months. Median survival for all patients from study entry was 81 months, the 5-year survival probability was 65%. When 28 patients were censored at the time of bone marrow transplantation the median survival was 82 months. Grade 3 anorexia, nausea, vomiting and diarrhea developed in 15, 27, 13 and 7%, respectively. Mild to moderate elevations of transaminases occurred in 42%, and were severe in 5%. Sixty-three patients had adequate follow-up cytogenetic studies: 10 had a complete cytogenetic response (CCyR), 23 partial (PCyR, 50-99% normal cells), 20 minor and 10 no response (CALGB criteria). Thus, the CCyR plus PCyR rate among these 63 patients was 52%. Assuming the 25 patients with no cytogenetic follow-up as non-responders, 38% of the 88 patients had at least a PCyR. The median time to CCyR or PCyR was 5.6 months. The median time to best response in these 33 patients was 10.0 months, and median duration of cytogenetic response was 28 months. Cytogenetic responders had significantly longer survival than non-responders (p = 0.01) using a landmark analysis at 18 months. This intermittent schedule of rIFNalpha-2b/ara-C has a high response rate in patients with CML with acceptable toxicity.
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PMID:Treatment of the chronic phase of chronic myeloid leukemia with an intermittent schedule of recombinant interferon alfa-2b and cytarabine: results from CALGB study 9013. 1269 Nov 41

We conducted a prospective quality-of-life analysis during outpatient immunotherapy in 22 patients with progressive metastatic renal cell carcinoma (RCC) treated with subcutaneous interferon-alpha2a and subcutaneous interleukin-2. Patients' quality of life was assessed by the European Organization for Research and Treatment of Cancer quality-of-life questionnaire QLQ-C30 before (week 0) and once during immunotherapy (week 3). Advanced renal cancer patients completed a total of 30 questionnaires before therapy (week 0) and after 3 weeks of therapy. Their mean quality of life (global-quality-of-health status) deteriorated significantly, from 64 to 41 (P</=0.001) during the first 3 weeks after treatment initiation, due to a mean reduction in physical (from 82 to 65; P</=0.001), emotional (from 77 to 61; P</=0.01), social (from 78 to 55; P</=0.01), and role functioning (from 82 to 58; P</=0.01). In contrast, cognitive functioning did not differ significantly from pretreatment scores after 3 weeks of therapy. In addition, during the first 3 weeks, appetite loss (from 18 to 59; P</=0.01), fatigue (from 33 to 56; P</=0.01), nausea/vomiting (from 10 to 26; P</=0.01), sleep disturbance (from 27 to 47; P</=0.01), diarrhoea (from five to 27; P</=0.01), and pain (from 20 to 32; P</=0.05) were significantly increased, while quality-of-life symptoms such as dyspnoea, and constipation were not significantly influenced by therapy. Complete response to RCC outpatient immunotherapy was associated with the most predominant reduction in functional quality of life when compared against patients in progressive or stable disease or partial tumour response. In conclusion, quality-of-life analysis during outpatient immunotherapy yielded modest changes in patients' health status 3 weeks after therapy initiation. Since the rapid decline in functional quality-of-life was associated with therapeutic efficacy, it is suggested that quality-of-life analysis might serve as an early indicator for immunotherapy response in metastatic RCC. British Journal of Cancer (2003) 89, 50-54. doi:10.1038/sj.bjc.6600996 www.bjcancer.com
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PMID:Rapid deterioration in quality of life during interleukin-2- and alpha-interferon-based home therapy of renal cell carcinoma is associated with a good outcome. 1283 99

Recently we reported the adenine derivatives (2-4) as new interferon (IFN) inducers. In the present study, we conducted a detailed structure and activity relationship study of 4 and its related derivatives on IFN inducing activity. From this study, we found that compound 4 exhibited the most potent IFN inducing activity in vitro with a minimum effective concentration of 0.01 microM, and 4 also showed strong IFN-inducing activity at doses of more than 0.3mg/kg by oral administration in mice. This potency was 10-fold stronger than that of Imiquimod. Moreover, 4 did not cause emesis in ferrets even at doses as high as 10mg/kg, whereas, 80% of animals were emetic when orally administered with the same dose of Imiquimod. These results indicate that compound 4 is superior to Imiquimod with respect to efficacy and safety.
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PMID:Synthesis and structure-activity relationships of 2-substituted-8-hydroxyadenine derivatives as orally available interferon inducers without emetic side effects. 1290 9

Protein kinase C (PKC) has a critical role in several signal transduction pathways, and is involved in renal cancer pathogenesis. Bryostatin-1 modulates PKC activity and has antitumour effects in preclinical studies. We conducted a multicentre phase II clinical trial in patients with advanced renal cancer to determine the response rate, immunomodulatory activity and toxicity of bryostatin-1 given as a continuous 24 h infusion weekly for 3 out of 4 weeks at a dose of 25 mug m(-2). In all, 16 patients were recruited (11 males and five females). The median age was 59 years (range 44-68). Patients had been treated previously with nephrectomy (8) and/or interferon therapy (9) and/or hormone therapy (4) and/or radiotherapy (6). Eight, five and three patients had performance statuses of 0, 1 and 2, respectively. A total of 181 infusions were administered with a median of 12 infusions per patient (range 1-29). Disease response was evaluable in 13 patients. Three patients achieved stable disease lasting for 10.5, 8 and 5.5 months, respectively. No complete responses or partial responses were seen. Myalgia, fatigue, nausea, headache, vomiting, anorexia, anaemia and lymphopenia were the commonly reported side effects. Assessment of biological activity of bryostatin-1 was carried out using the whole-blood cytokine release assay in six patients, two of whom had a rise in IL-6 levels 24 h after initiating bryostatin-1 therapy compared to pretreatment values. However, the IL-6 level was found to be significantly lower at day 28 compared to the pretreatment level in all six patients analysed.
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PMID:A multicentre phase II trial of bryostatin-1 in patients with advanced renal cancer. 1456 10

Rotavirus is the most common cause of severe gastroenteritis in young children, but the pathogenesis and immunity of this disease are not completely understood. To examine the host response to acute infection, we collected paired serum specimens from 30 children with rotavirus diarrhea and measured the levels of nine cytokines (interleukin-1beta [IL-1beta], IL-2, IL-4, IL-6, IL-8, IL-10, IL-12, gamma interferon [IFN-gamma], and tumor necrosis factor alpha [TNF-alpha]) using a microsphere-based Luminex Flowmetrix system. Patients with acute rotavirus infection had elevated median levels of seven cytokines in serum, and of these, the levels of three (IL-6, IL-10, and IFN-gamma) were significantly (P < 0.05) higher than those in serum from control children without diarrhea. Patients with fever had significantly (P < 0.05) higher levels of IL-6 in serum than control children, and those with fever and more episodes of diarrhea had significantly (P < 0.05) higher levels of TNF-alpha than those without fever and with fewer episodes of diarrhea. We further demonstrated a negative association (P < 0.05) between the levels of IL-2 and the number of stools on the day on which the first blood sample was collected. Finally, patients with vomiting had significantly (P < 0.05) lower levels of IFN-gamma than those without vomiting. Our pilot study provides evidence that the types and magnitudes of cytokine responses to rotavirus infection in children influence or reflect the clinical outcome of disease. These findings suggest that certain cytokines may play an important role in the pathogenesis of and the protection against rotavirus disease in children and, consequently, may provide directions and insights that could prove critical to the prevention or treatment of this important disease.
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PMID:Cytokines as mediators for or effectors against rotavirus disease in children. 1460 58

The risk of transmission of hepatitis C virus (HCV) infection is an important problem for the health care worker. HCV transmission by blood splashing into eyes is very rare. In a hemodialyses department, a 23-year-old female nurse splashed blood from a patient who was anti-HCV positive into her eyes. She washed her eyes with water immediately and reported to the infection control department. She had never used intravenous drugs nor received transfusions. At the time of exposure, there was no abnormality in her laboratory tests. Her anti-HCV and HCV-RNA tests produced negative results. She was followed up for anti-HCV and alanine aminotransferase activity. After 6 months, she presented with sore throat, nausea, vomiting, fatigue, and weight loss. She had icterus and hepatomegalia. In laboratory tests, alanine aminotransferase level was 504 U/L, aspartate aminotransferase level was 388 U/L, and anti-HCV and HCV-RNA tests produced positive findings. She was treated with interferon alfa-2a for a 1-year period. After treatment, an HCV-RNA test produced negative results and transaminase levels were normal. In conclusion, splashing blood from patients who are HCV positive into the face or eyes is a risk for health care workers. They should be educated to prevent a nosocomial acquisition of bloodborne infection and they should observe protective precautions.
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PMID:Transmission of hepatitis C by blood splash into conjunctiva in a nurse. 1545 4

Acute pancreatitis is a rare complication of interferon (IFN) and ribavirin (RBV) therapy. The aim of this study was to determine the incidence, clinical presentation, and outcome of acute pancreatitis in patients with chronic hepatitis C virus (HCV) infection treated with IFN and RBV combination therapy. We conducted a retrospective review of 1706 HCV-infected patients treated with IFN alpha-2b and RBV. The diagnosis of drug-induced acute pancreatitis was made based on the presence of epigastric pain, elevated amylase and lipase levels, and the absence of other identifiable causes of pancreatitis. Acute pancreatitis was diagnosed in 7 of 1706 HCV-infected patients (0.4%; 95% CI, 0.2 to 0.8%) who were treated with IFN alpha-2b and RBV. The mean age of the patients (four males and three females) was 51.4 +/- 4.7 years and the median duration of therapy prior to development of pancreatitis was 12.0 weeks (range, 4.0-21.0 weeks). All patients presented with epigastric pain associated with nausea, vomiting, and/or fever. The median amylase and lipase values at the time of diagnosis of pancreatitis were 330.0 U/L (range, 182.0-1813.0 U/L) and 500.0 U/L (range, 171.0-2778.0 U/L), respectively. IFN and RBV were discontinued in all patients at the time of diagnosis and six of the seven patients were hospitalized; one patient refused hospital admission. Pancreatitis resolved in all seven patients and none of these individuals had recurrent pancreatitis during a median follow-up of 18.0 months (range, 3.0-27.0 months). In conclusion, IFN and RBV combination therapy is a potential cause of drug-induced pancreatitis in patients with chronic HCV. In these individuals, pancreatitis is often severe enough to warrant hospital admission, although symptoms resolve promptly after discontinuation of antiviral therapy.
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PMID:Acute pancreatitis associated with interferon and ribavirin therapy in patients with chronic hepatitis C. 1530 91

Capecitabine is a fluoropyrimidine carbamate capable of exploiting the high concentrations of thymidine phosphorylase in tumor tissue to achieve activation preferentially at the tumor site. Thymidine phosphorylase activity is high in renal cell carcinoma tissue. Interferon alfa has been proved to be the agent for standard therapy in metastatic renal cell carcinoma. The purpose of the study was to assess the efficacy and toxicity of combining capecitabine and interferon alfa-2A in patients with advanced renal cell carcinoma. Twenty-five patients with advanced renal cell carcinoma and no prior systemic therapy were treated with the combination of capecitabine at a dose of 1,250 mg/m2 twice daily for 2 weeks after every 21 days and interferon alfa-2A 6 million U three times a week. The overall response rate was 24.0% (95% CI, 9.4-45.1%), from 6 responded patients 5 had partial responses and 1 complete response. Stable disease status was achieved in 9 patients (36.0% with 95% CI 18.0-57.5%). The median survival time was 248 days (95% CI, 173-265 days). The median time to progression was 126 days (95% CI, 49-165 days). Grade 3-4 toxicities occurred in 12 patients and included fatigue (33.3%), nausea, hand-foot syndrome (both 12.5%), anorexia (8.3%), vomiting, anemia and neutropenia (all 4.2%). The capecitabine and interferon alfa-2A combination has clinical activity and an acceptable toxicity profile in patients with metastatic renal cell carcinoma. The importance of adding capecitabine to interferon alfa needs to be confirmed in a randomized trial.
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PMID:Combination therapy with capecitabine and interferon alfa-2A in patients with advanced renal cell carcinoma: a phase II study. 1546 18


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