Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0016382 (flushing)
 6,387 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

26 patients with progressive neuroendocrine tumours received 3 x 10(6)U/m2 interferon alfa (IFN-alpha 2b) subcutaneously thrice weekly, until progression, as outpatients with moderate toxicity. 4/16 carcinoids and none out of 10 endocrine pancreatic tumours showed objective regression. Another 17 patients (68%) had no change. For a median of 34 weeks symptom control was excellent: 9 of 17 patients had major relief from pain, 11 of 13 from diarrhoea, and 7 of 7 from flushing. Thus, low-dose INF-alpha 2b given thrice weekly might be as effective as daily treatment with higher dosages. Treatment was only administered to patients with progression or major symptoms and this did not seem to adversely affect remission quality and survival.
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PMID:Antitumour effect and symptomatic control with interferon alpha 2b in patients with endocrine active tumours. 138 94

Antiviral activities present in uterine flushings from pregnant Large White, Large White 'hyperprolific', and prolific Meishan gilts, between Days 8 and 20 of gestation were compared. Flushings (20 ml) from all gilts between Days 14 and 20 were positive in an in-vitro interferon (IFN) assay using vesicular stomatitis virus as a challenge infection. Highest antiviral activities (of up to 400,000-1,200,000 total Units/flushing) were obtained at Day 16 of gestation, i.e. clearly after the beginning of attachment. There was no major difference between breeds although, at Day 14, flushings from Meishan gilts yielded significantly higher titres than those from the other two, suggesting a correlation with the previously described earlier trophoblast elongation in Meishan gilts. Conceptus cultures contained antiviral activity, with values very close to those obtained in vivo, but the difference between breeds was not significant. Cultures from Day 20 on contained very little antiviral activity. The antiviral activity was associated with a mixture of at least two IFNs, one of which was IFN-alpha like, and the other was serologically identified as an IFN-gamma, that is an 'immune IFN', previously found to be secreted only by T lymphocytes. This finding may have implications for our understanding of the immunology of early pregnancy.
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PMID:Production of two species of interferon by Large White and Meishan pig conceptuses during the peri-attachment period. 170 58

Seventeen patients with malignant carcinoid tumour, ten of whom had the malignant carcinoid syndrome, were treated with recombinant alpha-2b interferon by subcutaneous injection (3 MU per dose) three times per week for a median of 12 weeks (range 4-48). No objective tumour responses were observed; however, there was a greater than 50% reduction in 24-hour urinary 5-hydroxyindolacetic acid (5-HIAA) excretion in four of ten patients (40%) with elevated pretreatment levels. Five of ten patients (50%) with flushing, five of seven patients (71%) with diarrhoea and both patients with wheezing experienced relief of symptoms. Three of four patients (75%) with weight loss as their only problem experienced weight gain. Responses occurred within the first eight weeks of treatment, but were generally of short duration. Toxicity occurred in all patients, and consisted mainly of fever, chills, anorexia, fatigue and weight loss. Four patients ceased therapy due to toxic reactions. Although interferon has activity against carcinoid tumours, its benefits are short-lived and toxicity limits its use with increasing dose. Patients with carcinoid syndrome appear to achieve the best therapeutic response, and it is likely that low doses (9-20 million IU weekly) are as effective as higher doses (36-72 million IU weekly).
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PMID:Recombinant alpha-2b interferon in patients with malignant carcinoid tumour. 172 59

The plasma concentrations of various tachykinins were measured before and during flushing episodes in 16 patients with metastatic carcinoid tumors. The flushing attacks were induced by iv injection of pentagastrin or ingestion of food or alcohol. Tachykinins, such as neurokinin A (NKA) and neuropeptide K (NPK), increased 2-fold during flushing episodes in 12 patients, and the plasma concentrations of substance P increased to a varying extent in 3 patients. Chromatographic analysis of plasma samples taken before and during flushing episodes in 2 patients indicated the presence of individual spectra of tachykinins. In addition, the plasma concentration of tachykinin [TKLI(K12)], using an assay that detects NKA, NPK, kassinin, eledoisin, and NKB, but not substance P and physalaemin, and the urinary excretion of 5-hydroxyindole acetic acid (5-HIAA) were measured in 20 patients with midgut carcinoid tumors before and during treatment with human leucocyte interferon. The overall changes in the 2 tumor markers were concordant in 18 of the 20 patients. Thus, the Spearman correlation coefficient between the percent changes in urinary 5-hydroxyindole acid excretion and plasma TKLI(K12) was 0.54 (P less than 0.001). The patients who had a decrease in the tumor markers also had a decrease in flushing episodes and diarrhea. Plasma TKLI(K12) is a convenient tumor marker for the diagnosis and follow-up of patients with carcinoid tumors of midgut origin. The combined use of both tumor markers strengthens the diagnosis and may improve the evaluation of response during treatment.
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PMID:Tachykinins in carcinoid tumors: their use as a tumor marker and possible role in the carcinoid flush. 242 99

Seven patients with progressive ileal or caecal carcinoid tumors and liver metastases were treated with human recombinant alpha-interferon (IFN alfa-2b) at a dosage of 2-4 x 10(6) U daily or every other day subcutaneously. Six patients had symptoms of the carcinoid syndrome. No change of tumor size lasting 4 to 40+ months (median, 18 months) was noted in 6 patients, and 1 patient had hepatic tumor progression. A decrease in urinary excretion of 5-hydroxyindoleacetic acid by more than 50% lasting 2-11 months (median, 4) was observed in 5 patients. Four patients were completely or partially relieved of flushing, diarrhea, obstruction or abdominal pain. The side-effects were negligible with the exception of mild fever, headache and confusion only during the first days of therapy. Treatment with IFN alfa-2b offers good palliation to patients with disseminated ileal or caecal carcinoid tumor and carcinoid syndrome.
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PMID:[Treatment of metastasized carcinoid tumor of the ileum and cecum with recombinant alpha-2b interferon]. 245 Mar 26

Nineteen patients with histologically verified midgut carcinoid tumours and liver metastases were included in a prospective study with daily recombinant human alpha 2b interferon injections of 5 million IU subcutaneously for 1 year. All had as much as possible of the primary tumour removed at laparotomy. Whenever technically possible (in seven cases), an embolization of the hepatic arteries was performed before interferon start. The response rate of the combined embolization and interferon treatment (n = 7) was 86% after 1 year, as judged from either a 50% reduction in excretion of 5-hydroxy-3-indoleacetic acid in the urine or a 50% reduction in the area of the largest liver metastasis as evaluated by computed tomography. All patients experienced an improvement in diarrhoea and/or flushing. When interferon was given alone (n = 12), 40% responded on the basis of objective criteria (50% after 6 months), whereas an improvement in either diarrhoea or flushing was experienced by 70% (75% after 6 months). In this group one patient had died and one had decided to withdraw after 6 months, at which time both were responders. We conclude that interferon seems to be an effective treatment of malignant metastatic midgut carcinoid tumours and that embolization of the liver arteries seems to increase the response rate, as judged after 1 year.
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PMID:Treatment of malignant metastatic midgut carcinoid tumours with recombinant human alpha2b interferon with or without prior hepatic artery embolization. 247 94

Twenty-seven patients with metastatic carcinoid tumor, 24 of whom had the malignant carcinoid syndrome, were treated with recombinant leukocyte A interferon at a planned dose of 24 x 10(6) U/m2. Twenty percent of patients with measurable tumor experienced an objective regression and 39% of those with the carcinoid syndrome experienced a reduction of more than 50% in urine 5-hydroxyindoleacetic acid (5HIAA) excretion. Flushing was partially or completely relieved in 65% of patients and diarrhea was relieved in 33%. Regrettably, these favorable treatment effects were transient in nature, with objective regressions persisting for a median of only 7 weeks and hormonal responses for a median of only 4 weeks. Any therapeutic gain experienced by these patients seemed to be outweighed by the frequency and severity of toxic reactions, which consisted primarily of chills and fever, fatigue, anorexia, weight loss, leukopenia, and abnormalities of liver function. Whereas other interferons, administration by alternative dosages and regimens, or incorporation of interferons into drug combinations may merit future study, we cannot recommend recombinant leukocyte A interferon, administered by the methods we employed, for routine therapy of the carcinoid tumor or syndrome.
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PMID:Therapy of metastatic carcinoid tumor and the malignant carcinoid syndrome with recombinant leukocyte A interferon. 273 23

Nineteen patients with histologically verified midgut carcinoid tumours and liver metastases were included in a prospective study with daily interferon therapy 3 mill IU x m-2 subcutaneously for one year. All had the primary tumour removed at laparotomy, and whenever technically possible, an embolization of the hepatic arteries was performed prior to interferon start. Recombinant human alpha-2b interferon from Schering was employed. When interferon was given alone for one year 40% responded, judged from either a 50% reduction in excretion of 5-hydroxy-indoleacetic acid in the urine or a 50% reduction in the area of the largest liver metastasis, as evaluated by computer tomography. One patient died later on and one withdrew from therapy of her own will; both were responders at the evaluation at 6 months. When prior embolization of the liver arteries had been performed, the response rate was 85% after one year. When diarrhoea and/or flushing was evaluated, 70% had response on interferon alone, while all patients experienced improvement after the combined procedure. We conclude that interferon is an effective treatment of malignant metastatic midgut carcinoid and that embolization of the liver arteries seems to increase the response rate.
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PMID:Recombinant alpha-2 interferon with or without hepatic artery embolization in the treatment of midgut carcinoid tumours. A preliminary report. 274 81

Thirteen patients with ileal carcinoids complicated by liver metastases were treated with human leukocyte interferon (IFN) subcutaneously (s.c.) at doses of 3-6 x 10(6) IU/day 5 days weekly during 12 months. Objective tumour response was obtained in 2 patients, based on reduction in tumour size in one patient and on reduction in tumour markers in the other. Stable disease was noted during the 12-month treatment period in 10 patients. Progressive disease was seen in one patient. This patient exhibited tumour growth, new metastases and increases in tumour markers. Among patients with daily flushing prior to treatment, 50% were free of flush after 12 months of IFN. Adverse effects, including a mild influenza-like syndrome, joint and muscle pains, tiredness and reduction of blood cells were observed but did not necessitate long-term dose reductions. Thus, IFN therapy to midgut carcinoid patients resulted in tumour response or stable disease in 12 out of 13 patients without causing severe side effects.
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PMID:Interferon treatment in patients with malignant carcinoids. 274 82

A radioimmunoassay has been developed for quantitation of ovine trophoblast protein-1 (oTP-1), a sheep conceptus secretory protein which allows for maintenance of the corpus luteum during early pregnancy. The assay was validated for dialysed and undialysed culture medium and pregnant uterine flushings ranging from no dilution (neat) to dilutions of 1:2500 for dialysed media, 1:100-1:1000 for undialysed media and 1:50-1:1000 for pregnant uterine flushings. The assay accurately measured oTP-1 added to undiluted and diluted dialysed and undialysed culture media and pregnant uterine flushings. No cross-reaction was detectable for bovine alpha or gamma interferon, bovine calmodulin, feline conceptus secretory proteins, equine conceptus secretory proteins, porcine conceptus secretory proteins, bovine conceptus secretory proteins and proteins in a uterine flushing collected from a non-pregnant ewe. Immunoreactivity in the assay matched that for oTP-1 throughout oTP-1 purification. This assay is the first validated assay which may be used to quantitate production of oTP-1 in culture or content of oTP-1 in uterine flushings.
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PMID:Development of a radioimmunoassay for ovine trophoblast protein-1, the antiluteolytic protein from the sheep conceptus. 337 49


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