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  • 1
    In: Drug Intelligence & Clinical Pharmacy, SAGE Publications, Vol. 19, No. 11 ( 1985-11), p. 837-839
    Abstract: Digoxin serum concentration vs. time data have been described in the literature by a linear two-compartment model. When calculating the steady-state volume of distribution for digoxin after oral dosing, a computer fitting program is often used because of the complex first-order absorption, two-compartment model employed. Since computer programs are not always available, we computed and compared the steady-state volume of distribution/bioavailability for digoxin using both a model-independent (area) and compartmental approach. Six healthy subjects participated in the study; each received digoxin 0.2 mg in capsule form daily for ten days. The mean steady-state volume of distribution/bioavailability calculated by noncompartmental analysis was 785 L and the mean for compartmental analysis was 784 L. The small difference between methods suggests that area analysis offers a simpler alternative to computerized compartmental fitting to determine this parameter for digoxin.
    Type of Medium: Online Resource
    ISSN: 0012-6578
    Language: English
    Publisher: SAGE Publications
    Publication Date: 1985
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  • 2
    Online Resource
    Online Resource
    SAGE Publications ; 1993
    In:  Annals of Pharmacotherapy Vol. 27, No. 3 ( 1993-03), p. 302-303
    In: Annals of Pharmacotherapy, SAGE Publications, Vol. 27, No. 3 ( 1993-03), p. 302-303
    Abstract: To report a case of possible ciprofloxacin-induced arthropathy in an adult patient with cystic fibrosis (CF). CASE SUMMARY: A 25-year-old man with CF received three separate courses of ciprofloxacin therapy at usual doses for acute pulmonary exacerbations of his disease. During the second and third courses, the patient experienced bilateral swelling of his knees between two to three weeks after initiation of each course. Both times symptoms markedly decreased after discontinuation of the drug. The patient had no prior history of arthropathy. Furthermore, during the last two acute exacerbations of his CF, he did not receive ciprofloxacin and did not experience any symptoms of arthropathy. DISCUSSION: Prior cases of quinolone-induced arthropathy involving pediatric CF patients or adult patients without CF have been reported in the literature. We report the first case of such an arthropathy in an adult patient with CF. The findings are supported by a rechallenge with the drug. CONCLUSIONS: It is likely that ciprofloxacin may produce arthropathy in adult as well as pediatric patients with CF. Quinolones should be considered as a possible cause of arthropathy in adult CF patients.
    Type of Medium: Online Resource
    ISSN: 1060-0280 , 1542-6270
    Language: English
    Publisher: SAGE Publications
    Publication Date: 1993
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  • 3
    Online Resource
    Online Resource
    SAGE Publications ; 1992
    In:  Annals of Pharmacotherapy Vol. 26, No. 10 ( 1992-10), p. 1221-1226
    In: Annals of Pharmacotherapy, SAGE Publications, Vol. 26, No. 10 ( 1992-10), p. 1221-1226
    Abstract: Aminophylline and ceftazidime are sometimes used concurrently in patients with respiratory disorders. Parenteral aminophylline usually is administered as a constant infusion, and ceftazidime is given intermittently or less commonly as a constant infusion. We evaluated the stability and compatibility of the two drugs when aminophylline is given as a constant intravenous infusion and ceftazidime is administered simultaneously either through a y-site (piggyback method) or as a continuous infusion (constant infusion method). DESIGN: The chemical stability of intravenous aminophylline and ceftazidime in dextrose 5% and NaCl 0.9% for both methods was studied. Three different formulations of ceftazidime from the same manufacturer were studied (minibag using reconstituted ceftazidime, premixed minibag, and ceftazidime arginine). For the piggyback and constant infusion methods, samples were collected at 0,1, and 2 hours; and 0,6, and 24 hours, respectively. All experiments were conducted in triplicate. Samples were analyzed in duplicate by a stability-indicating HPLC assay method. OUTCOME MEASURE: Ceftazidime and aminophylline were considered stable if concentrations remained above 90 percent of the original concentrations over the time periods studied. RESULTS: Ceftazidime was determined to be compatible with aminophylline in the piggyback method. In contrast, when aminophylline and ceftazidime were admixed in the same intravenous container (constant infusion method), the two drugs were not stable. CONCLUSIONS: These data indicate that aminophylline and ceftazidime admixtures are incompatible when prepared in the same intravenous container, which may occur if both are given as a constant infusion. The two drugs are compatible when the ceftazidime is piggybacked into a primary intravenous set in which aminophylline is administered as a constant infusion.
    Type of Medium: Online Resource
    ISSN: 1060-0280 , 1542-6270
    Language: English
    Publisher: SAGE Publications
    Publication Date: 1992
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  • 4
    Online Resource
    Online Resource
    SAGE Publications ; 2019
    In:  Annals of Pharmacotherapy Vol. 53, No. 3 ( 2019-03), p. 285-293
    In: Annals of Pharmacotherapy, SAGE Publications, Vol. 53, No. 3 ( 2019-03), p. 285-293
    Abstract: Objective: To review the pharmacology, efficacy, and safety of the first nebulized long-acting muscarinic antagonist (LAMA), glycopyrrolate (GLY)/eFlow closed system (CS) nebulizer, approved for maintenance treatment of chronic obstructive pulmonary disease (COPD). Data Sources: A PubMed search was conducted (January 2000 to July 2018) using the following terms/phrases: nebulized glycopyrrolate, inhalation devices in COPD, long-acting muscarinic antagonists COPD, and COPD survey. Retrieved articles were reviewed to identify additional references. Study Selection and Data Extraction: Primary and review articles on GLY/eFlow CS and other treatment options for patients with COPD were selected. Data Synthesis: Guidelines recommend the use of LAMAs, alone or in combination with long-acting β 2 -agonists, as maintenance therapy for the majority of patients with COPD. With the range of different devices and bronchodilators now available, treatment can be tailored based on individual needs. The eFlow CS nebulizer delivers GLY rapidly over a 2- to 3-minute period and provides bronchodilation within 30 minutes, lasting 12 hours. Phase 2 dose-finding and phase 3 studies demonstrated sustained statistically significant and clinically important improvements in pulmonary function and patient-reported outcomes with GLY/eFlow CS. Relevance to Patient Care and Clinical Practice: GLY/eFlow CS provides a novel, portable, efficient, and rapid drug delivery system. Conclusions: The recently approved GLY/eFlow CS drug-device combination provides a viable treatment option for patients with COPD, particularly those with conditions that may impair proper use of traditional handheld inhalers.
    Type of Medium: Online Resource
    ISSN: 1060-0280 , 1542-6270
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2019
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  • 5
    Online Resource
    Online Resource
    SAGE Publications ; 1991
    In:  DICP Vol. 25, No. 10 ( 1991-10), p. 1139-1140
    In: DICP, SAGE Publications, Vol. 25, No. 10 ( 1991-10), p. 1139-1140
    Type of Medium: Online Resource
    ISSN: 1042-9611
    Language: English
    Publisher: SAGE Publications
    Publication Date: 1991
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  • 6
    Online Resource
    Online Resource
    SAGE Publications ; 1989
    In:  DICP Vol. 23, No. 10 ( 1989-10), p. 815-816
    In: DICP, SAGE Publications, Vol. 23, No. 10 ( 1989-10), p. 815-816
    Type of Medium: Online Resource
    ISSN: 1042-9611
    Language: English
    Publisher: SAGE Publications
    Publication Date: 1989
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  • 7
    In: DICP, SAGE Publications, Vol. 23, No. 6 ( 1989-06), p. 460-463
    Abstract: The objective of this study was to determine if a peripheral dual-lumen catheter could be used for accurate tobramycin blood concentration measurement when drug administration and blood sampling were undertaken through separate lumens of the catheter. Eleven adult volunteers received tobramycin 1.5 mg/kg iv infused over 30 minutes through the distal lumen of the dual-lumen catheter every eight hours for two doses. Multiple blood samples were obtained concurrently from the proximal lumen of the catheter and a single-lumen catheter in the contralateral arm after each dose. Blood samples were also obtained through the distal lumen before and 30 minutes after the end of the infusion. Accurate blood samples were obtainable through the dual-lumen catheter in only 5 of 11 subjects due to either infiltration or difficulties in catheter placement. In the subjects from whom accurate blood samples were obtained, approximately 20 minutes postinfusion was the amount of time required before measured tobramycin serum concentrations were similar between the arm in which the drug was infused (site of the dual-lumen catheter) and the contralateral arm. At standard times for obtainment of trough (just prior to the infusion) and peak (30 minutes after the end of a 30-minute infusion) tobramycin serum concentrations from the proximal lumen of the dual-lumen catheter were numerically similar to those obtained from the contralateral arm. This preliminary study indicates that the dual-lumen catheter provides accurate aminoglycoside concentrations when patent relative to blood withdrawal and if peak blood samples are obtained at least 30 minutes postinfusion through the recommended lumen. However, further study in a larger number of subjects is required before routine use of this device can be recommended.
    Type of Medium: Online Resource
    ISSN: 1042-9611
    Language: English
    Publisher: SAGE Publications
    Publication Date: 1989
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  • 8
    Online Resource
    Online Resource
    SAGE Publications ; 1987
    In:  Drug Intelligence & Clinical Pharmacy Vol. 21, No. 1 ( 1987-01), p. 69-70
    In: Drug Intelligence & Clinical Pharmacy, SAGE Publications, Vol. 21, No. 1 ( 1987-01), p. 69-70
    Type of Medium: Online Resource
    ISSN: 0012-6578
    Language: English
    Publisher: SAGE Publications
    Publication Date: 1987
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  • 9
    Online Resource
    Online Resource
    SAGE Publications ; 2004
    In:  Annals of Pharmacotherapy Vol. 38, No. 4 ( 2004-04), p. 724-724
    In: Annals of Pharmacotherapy, SAGE Publications, Vol. 38, No. 4 ( 2004-04), p. 724-724
    Type of Medium: Online Resource
    ISSN: 1060-0280 , 1542-6270
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2004
    detail.hit.zdb_id: 2053518-1
    SSG: 15,3
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