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)

An open clinical study of ofloxacin in respiratory tract infections was conducted with patients receiving daily doses of ofloxacin 300 mg, 400 mg or 600 mg. The duration of treatment was 6 to 14 days for 70% of the patients. Ofloxacin was effective in 668 of 828 patients analysed (80.7%). Of 293 patients with upper respiratory infections, the efficacy rate was 85.3%. In 535 cases with lower respiratory infections, ofloxacin was effective in 78.1%. It is noteworthy that a 70% efficacy rate was obtained in 80 cases with intractable chronic diffuse panbronchiolitis primarily associated with Pseudomonas aeruginosa. There was no difference in the efficacy rate among various daily doses or severity of infections. In lower respiratory infections the bacterial eradication rate was 80.9% for Gram-positive aerobes (including 80% for Staphylococcus aureus and 76.5% for Streptococcus pneumoniae) and 72.1% for Gram-negative aerobes (including 92.6% for Klebsiella pneumoniae, 32.3% for P. aeruginosa and 97.1% for Haemophilus influenzae). Although there were no serious cases, adverse reactions were noted in 46 of 843 patients (5.5%): 38 cases (4.5%) of gastrointestinal tract reactions (nausea, vomiting, heartburn, etc.), 4 cases (0.5%) of hypersensitivity (e.g. eruption) and 19 (2.3%) of central nervous system effects (e.g. dizziness). Abnormal changes in laboratory findings included elevations of AST (1.2%) and ALT (1.5%) and an increase in the eosinophil count (1.7%).
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PMID:Ofloxacin in respiratory tract infection. A review of the results of clinical trials in Japan. 332 61

Ciprofloxacin is a new quinolone antimicrobial agent with activity against a broad spectrum of gram-negative and gram-positive organisms, including Pseudomonas aeruginosa and methicillin-resistant strains of staphylococci. The efficacy and safety results of 80 clinical studies of the oral form of ciprofloxacin are reported. Drug safety was assessed in 2236 courses in 2203 adult patients treated primarily in the United States. Data from 1676 courses were suitable for analysis of drug efficacy. The unit dose for most patients ranged from 250 mg to 750 mg (median, 500 mg), usually given every 12 hours. The duration of treatment ranged from 3 to 231 days (median, 10 days). Predominant among 1722 infections were those of the urinary tract (43%), skin structures (29%), and respiratory tract (19%); the remainder were bone and joint infections (5%), bacteremias (2%), and intra-abdominal (1%), gastrointestinal (1%), and pelvic infections (less than 1%). Signs and symptoms of infection resolved in 79% of all cases; a further 15% improved, and 5% failed to improve. Pathogens were eradicated in 89% of urinary tract infections and persisted in 5%; 80% of patients still had sterile urine at the 3-to 6-week follow-up. In 81% of nonurinary tract infections, pathogens were eradicated; they persisted in 11%, and superinfection occurred in less than 5%. After treatment, 89% of the 2253 causative organisms were eradicated and 2% were reduced to clinically insignificant counts; 8% persisted. Of 411 isolates of P. aeruginosa, 77% were eradicated, as were 97% of 421 Escherichia coli and 80% of 248 Staphylococcus aureus isolates. Also eradicated were 95% of 166 Klebsiella, 96% of 139 Proteus mirabilis, 100% of 20 other Proteus, 94% of 123 Enterobacter, 100% of 68 Haemophilus influenzae, 96% of 49 Citrobacter, 89% of 45 Serratia, 95% of 41 Streptococcus pneumoniae, 91% of 43 Salmonella, 100% of 38 Morganella morganii, and 100% of 35 Providencia isolates. Adverse reactions were judged probably or possibly drug-related in 14.8% of courses; drug treatment had to be stopped prematurely in 3.5%. The most frequent reactions were gastrointestinal complaints (chiefly nausea, diarrhea, and vomiting), metabolic disorders (elevated SGOT, SGPT, serum creatinine, or blood urea nitrogen), and nervous system effects (dizziness, light-headedness, restlessness, tremor, and headache). Crystalluria, judged to be related to ciprofloxacin, occurred in two patients.(ABSTRACT TRUNCATED AT 400 WORDS)
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PMID:A survey of clinical experience with ciprofloxacin, a new quinolone antimicrobial. 336 Sep 68

Fifty-two patients with serious respiratory infections were treated with orally administered ciprofloxacin; 42 patients were evaluable for the efficacy analysis and all were evaluable for determining adverse reactions. Cures were achieved in 24 patients with infections (14 with bronchitis, 10 with pneumonia) caused by Hemophilus influenzae, Streptococcus pneumoniae, or Branhamella catarrhalis, and pathogens were rapidly eradicated from respiratory secretions. Seventeen patients had infections (seven bronchitis, 10 pneumonia) caused by Enterobacteriaceae or Pseudomonas aeruginosa; many of these patients were critically ill and were enrolled in the study because their pathogens were resistant to multiple drugs or because their infections had not responded to alternate antimicrobial therapy. All patients had favorable clinical responses, and members of the Enterobacteriaceae were rapidly eradicated from respiratory secretions. However, five of 12 strains of P. aeruginosa persisted during treatment; minimal inhibitory concentrations for these strains increased 4- to 16-fold as infections continued to resolve. One patient with Staphylococcus aureus infection also showed a response. Ciprofloxacin probably caused nausea, vomiting, or both in three of the 52 patients and possibly contributed to similar symptoms in another three patients (6 to 12 percent). Other possible adverse reactions, including central nervous system symptoms, were also observed but were not clearly drug-related.
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PMID:Efficacy and safety of oral ciprofloxacin in the treatment of serious respiratory infections. 355 37

Eighty-three patients with serious urinary tract infections were treated with oral ciprofloxacin. Of these patients, 79 were hospitalized, and 41 had known structural or neurologic abnormalities of the urinary tract. The most common pathogens were members of the family Enterobacteriaceae (MICs, less than or equal to 0.06 microgram/ml), Pseudomonas aeruginosa (MICs, 0.13 to 2 micrograms/ml), and Enterococcus faecalis (MICs, 0.5 to 2 micrograms/ml). Sixty-eight patients were able to be evaluated for determining efficacy; all responded symptomatically, and all urinary pathogens were eradicated on days 3 to 5 of treatment. Five patients, who were treated for a relatively short duration (2 to 10 days), relapsed 5 to 9 days posttreatment. Six patients became colonized with yeasts during treatment, and seven patients developed bacterial reinfections 5 to 9 days posttreatment. All patients whose infections relapsed or who developed infections with new organisms had neurogenic bladders, structural abnormalities of the genitourinary tract, or urinary catheters. There was no instance of bacteria developing resistance during treatment. Ciprofloxacin probably caused nausea with or without vomiting in 7 of the 83 patients, headache in 3 patients, and mild elevation of hepatic enzymes in 2 patients; other adverse reactions were observed but were probably not drug related. Oral ciprofloxacin was effective and safe for the treatment of serious urinary tract infections caused by a variety of bacterial pathogens.
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PMID:Efficacy and safety of oral ciprofloxacin for treatment of serious urinary tract infections. 356 44

Imipenem/cilastatin, which combines a broad-spectrum antibiotic derived from thienamycin with a specific enzyme inhibitor, was administered in dosages of 1 to 4 gm/day to 717 patients in a multicenter noncomparative trial. Ninety-nine percent of the bacterial pathogens tested were susceptible to imipenem, and 86% were eradicated. Clinical outcome was favorable in 85% or more of the cases when assessed according to the site of infection, and 92% of the cases responded to treatment overall. Development of resistance was rare except for Pseudomonas aeruginosa, which became resistant in 19% of the patients infected with that organism. More than half the patients with resistant P aeruginosa had a favorable clinical outcome, however. Superinfection occurred in approximately 4% of all patients. The adverse clinical experiences occurring most frequently were related to gastrointestinal function (nausea, vomiting, and diarrhea). In general, the safety profile of imipenem/cilastatin was similar to that of other beta-lactam antibiotics.
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PMID:Imipenem/cilastatin therapy of serious infections: a U.S. multicenter noncomparative trial. 388 44

Imipenem/cilastatin was compared with the combination of gentamicin plus clindamycin in terms of efficacy and safety for the treatment of moderate to severe infections in an open, randomized study. The rates of cure achieved with the two regimens were similar. Gentamicin/clindamycin treatment failed only in two of four instances of severe infection. Patients given imipenem/cilastatin seemed to respond more rapidly to treatment; this observation applied both to the entire group treated and to the subgroup with moderate intraabdominal infections. Susceptible etiologic agents were more frequently eradicated by imipenem/cilastatin (95%) than by gentamicin/clindamycin (79%). The most common adverse reactions were nausea or vomiting in patients given imipenem/cilastatin and urinary abnormalities in those given gentamicin/clindamycin. Self-limited diarrhea was observed with equal frequency in the two groups. No adverse reactions required the discontinuation of treatment. Colonization or superinfection with resistant organisms and Pseudomonas aeruginosa occurred significantly more often among patients given gentamicin/clindamycin. These results suggest that imipenem/cilastatin is a promising alternative to the combination of gentamicin and clindamycin for the treatment of moderate to severe infections in hospitalized patients.
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PMID:Imipenem/cilastatin vs. gentamicin/clindamycin for the treatment of moderate to severe infections in hospitalized patients. 390 Dec 9

A 23-year-old woman gravely ill with Pseudomonas septicemia secondary to presumed drug-induced bone marrow aplasia received marrow transplantation from two male HL-A identical sibling donors. She had a successful engraftment with excellent but temporary clinical improvement. Subsequently she succumbed to graft-versus-host disease manifested by Pseudomonas and Candida albicans septicemia, cytomegalovirus pneumonitis, three phases of dermatitis, nausea, vomiting, dysphagia, diarrhea, fever, edema and bone pain, with gradual but complete graft suppression by the 74th day after the transplantation. A second marrow transplant on the 70th day was unsuccessful.
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PMID:Bone marrow transplantation in a patient with drug-induced aplastic anemia. 440 93

We have investigated the effectiveness of seven new beta-lactam antibiotics, azlocillin, piperacillin, ceftazidime, cefsulodin, cefoperazone, latamoxef (moxalactam), and cefotaxime, against acute pulmonary exacerbations caused by Pseudomonas aeruginosa in cystic fibrosis. Three hundred and fifty-five strains of Ps aeruginosa isolated from 310 sputum cultures (190 cystic fibrosis patients) were tested for susceptibility to the drugs by determination of minimal inhibitory concentrations (MIC). The highest activity was shown by ceftazidime (6% resistant strains) followed by cefsulodin and piperacillin (15 and 16% resistant strains); very low activity was found for cefotaxime and latamoxef (moxalactam). Ceftazidime was the most active drug against 32 pseudomonas isolates that were resistant to both carbenicillin and aminoglycosides (78% susceptible). A randomized, double-blind trial of azlocillin, piperacillin, ceftazidime, cefsulodin or cefoperazone was performed in 111 cystic fibrosis patients with predominant and susceptible pseudomonas in their sputum. Results were evaluated by a clinical, radiological and bacteriological scoring system: the best results were obtained with ceftazidime, followed by cefsulodin and piperacillin. However, pseudomonas was eradicated in only 22 (23%) of the cases with the most active drugs and persisted or reappeared in all the cases 1 to 3 months later. Ceftazidime always eradicated Staph. aureus and Haemophilus influenzae associated with pseudomonas. Similar eradication occurred nearly always with cefsulodin but rarely with the other drugs. No serious drug reaction occurred but a later fever and rash with piperacillin, transient diarrhoea with cefoperazone, vomiting with cefsulodin, and very frequent eosinophilia with ceftazidime should be mentioned. These five drugs offer, in varying degree, alternatives to traditional anti pseudomonas antibiotics in cystic fibrosis pulmonary infections, but they should be used only against well-proven resistant strains. Ceftazidime is best and cefotaxime and latamoxef (moxalactam) least useful.
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PMID:Alternative antibiotics for the treatment of Pseudomonas infections in cystic fibrosis. 631 88

Imipenem is the first of a new class of beta-lactam antimicrobial agents with remarkable and extremely potent in vitro activity against most commonly isolated bacterial pathogens, including Staphylococcus aureus, enterococcus, members of the family Enterobacteriaceae, Pseudomonas aeruginosa, Bacteroides fragilis, and Hemophilus influenzae. The clinical efficacy and toxicity of imipenem were evaluated in 35 patients with 38 different infections. The overall clinical response was favorable (infections cured or improved) in 89% of the infections (34 of 38). Of the 17 infections with P. aeruginosa, 15 were cured or improved. However, P. aeruginosa isolates resistant to imipenem emerged during the therapy of six infections, and two cases of P. aeruginosa septicemia later relapsed after imipenem therapy. Gastrointestinal toxicity (nausea with or without emesis) occurred in 17% of the patients (6 of 35) but was ameliorated by slowing the rate of intravenous infusion or lowering the dose of imipenem. Except for certain severe P. aeruginosa infections, imipenem is effective and relatively safe therapy for infections caused by susceptible organisms.
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PMID:Imipenem therapy of Pseudomonas aeruginosa and other serious bacterial infections. 659 61

Pseudomonas stutzeri bacteremia developed in six patients undergoing hemodialysis. Fever, shaking chills, nausea, and vomiting were observed. All patients recovered, although only two received specific antibiotic therapy. The infections occurred sporadically over a period of nine months. Pseudomonas stutzeri was subsequently isolated from the dialysate that circulates within the hemodialysis machine. The ultimate source was the deionized water that is combined with the liquid concentrate to form the dialysate. Pseudomonas stutzeri could be localized to the top cannister of the dialysis machine but was also isolated throughout the machine, including the bottom reservoir and the recirculating pump. The emphasis on handwashing, strict compliance with disinfection procedures, and elimination of prolonged sitting times for the filled machine after disinfection resulted in no further cases of P stutzeri infection.
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PMID:Pseudomonas stutzeri bacteremia associated with hemodialysis. 662 77


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