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1.
Int J Clin Pract ; 64(6): 727-38, 2010 May.
Artigo em Inglês | MEDLINE | ID: mdl-20518948

RESUMO

BACKGROUND: Co-administration of niacin with statin offers the potential for additional lipid management and cardiovascular risk reduction. However, niacin is underutilised because of the side effects of flushing, mediated primarily by prostaglandin D(2) (PGD(2)). A combination tablet containing extended-release niacin and laropiprant (ERN/LRPT), a PGD(2) receptor (DP1) antagonist, offers improved tolerability. This study assessed the efficacy and safety of ERN/LRPT added to statin vs. doubling the dose of statin in patients with primary hypercholesterolaemia or mixed dyslipidaemia who were not at their National Cholesterol Education Program Adult Treatment Panel III low-density lipoprotein cholesterol (LDL-C) goal based on their coronary heart disease risk category (high, moderate or low). METHODS: After a 2- to 6-week run-in statin (simvastatin 10 or 20 mg or atorvastatin 10 mg) period, 1216 patients were randomised equally to one of two treatment groups in a double-blind fashion: group 1 received ERN/LRPT (1 g) plus the run-in statin dose and advanced to ERN/LRPT (2 g) after 4 weeks for an additional 8 weeks, with no adjustments to the run-in statin dose; group 2 received simvastatin or atorvastatin at twice their run-in statin dose and remained on this stable dose for 12 weeks. RESULTS: ERN/LRPT added to statin (pooled across statin and statin dose) significantly improved key lipid parameters vs. the doubled statin dose (pooled): the between-treatment group difference in least squares mean per cent change [95% confidence interval (CI)] from baseline to week 12 in LDL-C (primary end-point) was -4.5% (-7.7, -1.3) and in high-density lipoprotein cholesterol (HDL-C) was 15.6% (13.4, 17.9) and in median per cent change for triglyceride (TG) was -15.4% (-19.2, -11.7). Treatment-related adverse experiences (AEs) related to flushing, pruritis, rash, gastrointestinal upset and elevations in liver transaminases and fasting serum glucose occurred more frequently with ERN/LRPT added to statin vs. statin dose doubled. CONCLUSIONS: The addition of ERN/LRPT to ongoing statin treatment produced significantly improved lipid-modifying benefits on LDL-C, HDL-C and TG and all other lipid parameters compared with doubling the statin dose in patients with primary hypercholesterolaemia or mixed dyslipidaemia. The types of AEs that occurred at a greater frequency in the ERN/LRPT group were those typically associated with niacin.


Assuntos
Dislipidemias/tratamento farmacológico , Inibidores de Hidroximetilglutaril-CoA Redutases/administração & dosagem , Hipolipemiantes/administração & dosagem , Indóis/administração & dosagem , Niacina/administração & dosagem , Prostaglandina D2/antagonistas & inibidores , Adulto , Idoso , Idoso de 80 Anos ou mais , HDL-Colesterol/sangue , LDL-Colesterol/sangue , Preparações de Ação Retardada/administração & dosagem , Preparações de Ação Retardada/efeitos adversos , Relação Dose-Resposta a Droga , Método Duplo-Cego , Combinação de Medicamentos , Feminino , Humanos , Inibidores de Hidroximetilglutaril-CoA Redutases/efeitos adversos , Hipercolesterolemia/tratamento farmacológico , Hipolipemiantes/efeitos adversos , Indóis/efeitos adversos , Masculino , Pessoa de Meia-Idade , Niacina/efeitos adversos , Resultado do Tratamento , Adulto Jovem
2.
Int J Clin Pract ; 63(4): 547-59, 2009 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-19222610

RESUMO

AIMS: To evaluate the efficacy of switching from a previous statin monotherapy to ezetimibe/simvastatin (EZE/SIMVA) 10/20 mg vs. rosuvastatin (ROSUVA) 10 mg. METHODS: In this randomised, double-blind study, 618 patients with documented hypercholesterolaemia [low-density lipoprotein cholesterol (LDL-C) > or = 2.59 and < or = 4.92 mmol/l] and with high cardiovascular risk who were taking a stable daily dose of one of several statin medications for > or = 6 weeks prior to the study randomisation visit entered a 6-week open-label stabilisation/screening period during which they continued to receive their prestudy statin dose. Following stratification by study site and statin dose/potency, patients were randomised to EZE/SIMVA 10/20 mg (n = 314) or ROSUVA 10 mg (n = 304) for 6 weeks. RESULTS: EZE/SIMVA produced greater reductions in LDL-C (-27.7% vs. -16.9%; p < or = 0.001), total cholesterol (-17.5% vs. -10.3%; p < or = 0.001), non-high-density lipoprotein cholesterol (HDL-C) (-23.4% vs. -14.0%; p < or = 0.001) and apolipoprotein B (-17.9% vs. -9.8%; p < or = 0.001) compared with ROSUVA, while both treatments were equally effective at increasing HDL-C (2.1% vs. 3.0%; p = 0.433). More patients achieved LDL-C levels < 2.59 mmol/l (73% vs. 56%), < 2.00 mmol/l (38% vs. 19%) and < 1.81 mmol/l (25% vs. 11%) with EZE/SIMVA than ROSUVA (p < or = 0.001). A borderline significantly greater reduction in triglycerides (p = 0.056) was observed for EZE/SIMVA (-11.0%) vs. ROSUVA (-5.3%). There were no between-group differences in the incidences of adverse events or liver transaminase and creatine kinase elevations. CONCLUSION: EZE/SIMVA 10/20 mg produced greater improvements in LDL-C, total cholesterol, non-HDL-C and apoB with a similar safety profile as for ROSUVA 10 mg.


Assuntos
Azetidinas/uso terapêutico , Doença da Artéria Coronariana/prevenção & controle , Fluorbenzenos/uso terapêutico , Inibidores de Hidroximetilglutaril-CoA Redutases/uso terapêutico , Hipercolesterolemia/tratamento farmacológico , Pirimidinas/uso terapêutico , Sinvastatina/uso terapêutico , Sulfonamidas/uso terapêutico , Adulto , Idoso , Idoso de 80 Anos ou mais , Azetidinas/efeitos adversos , LDL-Colesterol/sangue , LDL-Colesterol/efeitos dos fármacos , Método Duplo-Cego , Quimioterapia Combinada , Ezetimiba , Feminino , Fluorbenzenos/efeitos adversos , Humanos , Inibidores de Hidroximetilglutaril-CoA Redutases/efeitos adversos , Masculino , Pessoa de Meia-Idade , Pirimidinas/efeitos adversos , Fatores de Risco , Rosuvastatina Cálcica , Sinvastatina/efeitos adversos , Sulfonamidas/efeitos adversos , Resultado do Tratamento
3.
Cardiology ; 113(2): 89-97, 2009.
Artigo em Inglês | MEDLINE | ID: mdl-19018143

RESUMO

OBJECTIVE: The aim of the study was to compare the efficacy/safety of doubling the dose of low-, medium- and high-potency statins on lipids/lipoproteins versus ezetimibe/simvastatin (EZE/SIMVA) 10/40 mg in patients with a recent coronary event. METHODS: In this open-label study, patients were stratified by baseline statin therapy (low, medium and high potency) and randomized equally to statin dose doubling or EZE/SIMVA 10/40 mg for 12 weeks. Primary analysis concerned change in low-density lipoprotein cholesterol for the whole population. Treatment-by-stratum interaction evaluated the consistency of treatment effect across statin potency strata. Post hoc analysis of between-group efficacy within strata was performed using ANCOVA. RESULTS: Within each stratum, EZE/SIMVA produced significantly greater reductions in low-density lipoprotein cholesterol, total cholesterol, apolipoprotein B and non-high-density lipoprotein cholesterol (HDL-C) compared to statin doubling. Numerical trends toward smaller between-group reductions were observed with higher-potency statins and reached statistical significance for apolipoprotein B and non-HDL-C. No significant between-group differences in HDL-C and C-reactive protein were observed within each stratum. EZE/SIMVA produced larger reductions in triglycerides versus low-potency statin, whereas it was similarly effective compared with intermediate-/high-potency statins. The safety/tolerability profiles of the treatments were similar across the strata. CONCLUSIONS: EZE/SIMVA 10/40 mg produced greater improvements in lipids with a similar safety profile compared to doubling the dose of low-, medium- and high-potency statins.


Assuntos
Anticolesterolemiantes/administração & dosagem , Azetidinas/administração & dosagem , Doença das Coronárias/etiologia , Inibidores de Hidroximetilglutaril-CoA Redutases/administração & dosagem , Hipercolesterolemia/complicações , Hipercolesterolemia/tratamento farmacológico , Sinvastatina/administração & dosagem , Idoso , Angina Instável/etiologia , Anticolesterolemiantes/efeitos adversos , Apolipoproteínas B/sangue , Azetidinas/efeitos adversos , Proteína C-Reativa/metabolismo , HDL-Colesterol/sangue , Relação Dose-Resposta a Droga , Combinação de Medicamentos , Combinação Ezetimiba e Simvastatina , Feminino , Humanos , Inibidores de Hidroximetilglutaril-CoA Redutases/efeitos adversos , Masculino , Pessoa de Meia-Idade , Sinvastatina/efeitos adversos
4.
Int J Clin Pract ; 62(4): 539-54, 2008 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-18266852

RESUMO

BACKGROUND: The aim of this study was to investigate the efficacy and safety profile of switching to ezetimibe/simvastatin (Eze/Simva) 10/40 mg compared with doubling the statin dose upon discharge in patients taking a statin and admitted to the hospital for the investigation of a coronary event. DESIGN: This phase IV, multi-centre, randomised, open-label, active-controlled, parallel group study enrolled 424 patients (aged >/= 18 years) hospitalised for an acute coronary event and taking a stable dose of a statin (>/= 6 weeks) that could be doubled per the product label. Upon discharge from the hospital, patients were stratified by their statin dose/potency (high, medium and low) and randomised 1 : 1 to doubling of the statin dose (n = 211) or Eze/Simva 10/40 mg (n = 213) for 12 weeks. The primary efficacy variable was the absolute low-density lipoprotein cholesterol (LDL-C) value (mmol/l) at study end-point. RESULTS: Mean baseline LDL-C for the two treatment groups were 2.48 and 2.31 mmol/l for the Eze/Simva and statin groups respectively. At study end-point, least squares mean LDL-C values were 1.74 mmol/l in the Eze/Simva group and 2.22 mmol/l in the statin group resulting in a significant between-group difference of -0.49 mmol/l (p /= 0.160). Significantly more patients achieved LDL-C levels < 2.5 (< 100 mg/dl; 86% vs. 72%), < 2.0 (< 77 mg/dl; 70% vs. 42%) and < 1.8 mmol/l (< 70 mg/dl; 60% vs. 31%) with Eze/Simva than statin (all p /= 3 x upper limit of normal (ULN) or creatine kinase >/= 10 x ULN between the groups. CONCLUSIONS: In patients taking a statin and admitted to the hospital for investigation of a coronary event, treatment with Eze/Simva 10/40 mg for 12 weeks produced greater improvements in lipids with a similar safety profile compared with doubling of the statin dose.


Assuntos
Anticolesterolemiantes/administração & dosagem , Azetidinas/administração & dosagem , Inibidores de Hidroximetilglutaril-CoA Redutases/administração & dosagem , Hipercolesterolemia/tratamento farmacológico , Infarto do Miocárdio/tratamento farmacológico , Sinvastatina/administração & dosagem , Adulto , Idoso , Idoso de 80 Anos ou mais , Relação Dose-Resposta a Droga , Combinação de Medicamentos , Ezetimiba , Hospitalização , Humanos , Pessoa de Meia-Idade , Resultado do Tratamento
5.
Int J Clin Pract ; 59(12): 1377-86, 2005 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-16351668

RESUMO

This randomised, double-blind study evaluated the efficacy and safety of ezetimibe/simvastatin (EZE/SIMVA) 10/20 mg tablet compared to doubling the atorvastatin (ATV) dose in hypercholesterolaemic patients with atherosclerotic or coronary heart disease (CHD). The study group included 435 male and female CHD patients (aged >or=18 years) who had not achieved their low-density lipoprotein cholesterol (LDL-C) goal of <2.50 mmol/l while on a stable dose of ATV 10 mg for >or=6 weeks. After a 1-week diet/stabilisation period, patients with LDL-C >or=2.50 mmol/l and

Assuntos
Anticolesterolemiantes/administração & dosagem , Azetidinas/administração & dosagem , Ácidos Heptanoicos/administração & dosagem , Hipercolesterolemia/tratamento farmacológico , Pirróis/administração & dosagem , Sinvastatina/administração & dosagem , Adulto , Idoso , Idoso de 80 Anos ou mais , Apolipoproteínas B/sangue , Aterosclerose/complicações , Aterosclerose/tratamento farmacológico , Atorvastatina , HDL-Colesterol/sangue , LDL-Colesterol/sangue , Doença das Coronárias/complicações , Doença das Coronárias/tratamento farmacológico , Método Duplo-Cego , Quimioterapia Combinada , Europa (Continente) , Ezetimiba , Feminino , Humanos , Hipercolesterolemia/complicações , Masculino , Pessoa de Meia-Idade , Taiwan , Resultado do Tratamento
6.
Clin Pharmacol Ther ; 72(1): 50-61, 2002 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-12152004

RESUMO

BACKGROUND: This study compared directly the renal effects of two selective cyclooxygenase (COX)-2 inhibitors (rofecoxib and celecoxib) with naproxen (dual COX-1/COX-2 inhibitor) and placebo in healthy elderly subjects on a sodium-replete diet. METHODS: A total of 67 elderly subjects stabilized in the clinic for weight and urinary sodium on a controlled 200-mEq sodium diet were randomized in a double-blind fashion to receive rofecoxib, 25 mg daily (n = 17); celecoxib, 200 mg twice daily (n = 17); naproxen, 500 mg twice daily (n = 17); or matching placebo (n = 16) for 28 days. Subjects were sequestered in the clinic for the first 14 treatment days on the controlled diet. RESULTS: Daily urinary sodium excretion during the first 72 hours of treatment (primary endpoint) significantly decreased in rofecoxib, celecoxib, and naproxen groups compared with baseline (P < or =.05). Rofecoxib and celecoxib decreases in urinary sodium excretion rates that were comparable with each other, on the basis of predefined boundaries (-39.5 versus -27.1 mEq/d, respectively) and to naproxen (-40.6, mEq/d). Rofecoxib, celecoxib, and naproxen increased mean systolic blood pressure to a similar degree (3.4, 4.3, and 3.1 mm Hg, respectively, versus -1.3 mm Hg for placebo) after 14 days of treatment; small changes also occurred in diastolic blood pressure (0.3, 0.8, and -0.4 mm Hg, respectively, versus -1.4 mm Hg for placebo). Changes from baseline in creatinine clearance, body weight, and urinary potassium excretion among active treatments were similar. After 28 days of treatment, findings were generally consistent with those at 14 days. No subject reported edema or discontinued treatment as the result of an adverse experience. CONCLUSION: In healthy elderly subjects on a sodium-replete diet, the COX-2 inhibitors rofecoxib and celecoxib did not differ from a nonselective nonsteroidal anti-inflammatory drug (naproxen), in influencing renal function as measured by urinary sodium excretion, systolic and diastolic blood pressure, creatinine clearance, or weight change.


Assuntos
Inibidores de Ciclo-Oxigenase/efeitos adversos , Rim/efeitos dos fármacos , Lactonas/efeitos adversos , Naproxeno/efeitos adversos , Sulfonamidas/efeitos adversos , Idoso , Idoso de 80 Anos ou mais , Pressão Sanguínea/efeitos dos fármacos , Peso Corporal , Celecoxib , Creatinina/urina , Dieta , Método Duplo-Cego , Eletrólitos/sangue , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Potássio/urina , Pirazóis , Sódio/urina , Cloreto de Sódio na Dieta , Sulfonas
7.
Int J Clin Pract ; 55(8): 552-6, 2001 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-11695077

RESUMO

This study summarises the impact of treatment with rizatriptan 10 mg versus other 5-HT 1B/1D receptor agonists (triptans) on patient satisfaction with medication. Rizatriptan is a potent, selective 5-HT1B/1D receptor agonist shown to be fast, effective and well tolerated in the acute treatment of migraine. We investigated patients' overall satisfaction with treatment in studies in which direct comparisons with other triptans were made. Data from five double-blind, placebo-controlled trials in which rizatriptan 10 mg was compared with another triptan were included in the analysis. Rizatriptan 10 mg was compared with sumatriptan 100 mg in one parallel study (n = 916), sumatriptan 50 mg in two crossover studies (n = 1599), naratriptan 2.5 mg in one parallel study (n = 502), and zolmitriptan 2.5 mg in one parallel study (n = 701). Satisfaction was reported by patients on a seven-point scale ranging from 'completely satisfied, couldn't be better' to 'completely dissatisfied, couldn't be worse' at 2 hours after dosing. The percent of patients in the top two 'satisfied' categories (completely or very satisfied) were analysed. More patients on rizatriptan 10 mg were completely or very satisfied compared with sumatriptan 100 mg (33% vs 26%, p < 0.05), sumatriptan 50 mg (40% vs 35%, p < 0.05), naratriptan 2.5 mg (33% vs 19%, p < 0.01), and zolmitriptan 2.5 mg (38% vs 30%, p < 0.05). In all five studies more patients treated with rizatriptan 10 mg or other triptans were completely or very satisfied with treatment than patients receiving placebo (p < 0.001, except naratriptan vs placebo p = 0.004). The results, combined with the superior efficacy profile (fast, effective, well tolerated) of rizatriptan 10 mg, should enhance the treatment of migraine headache and lead to improved therapeutic intervention in clinical practice.


Assuntos
Transtornos de Enxaqueca/tratamento farmacológico , Satisfação do Paciente/estatística & dados numéricos , Agonistas do Receptor de Serotonina/uso terapêutico , Triazóis/uso terapêutico , Adolescente , Adulto , Idoso , Ensaios Clínicos Fase III como Assunto , Método Duplo-Cego , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Sumatriptana/uso terapêutico , Triptaminas
8.
Neurology ; 57(8): 1377-83, 2001 Oct 23.
Artigo em Inglês | MEDLINE | ID: mdl-11673575

RESUMO

OBJECTIVE: To compare the efficacy of oral rizatriptan 10 mg with oral doses of sumatriptan, naratriptan, and zolmitriptan on stringent outcome measures. METHODS: Retrospective analysis of data from five randomized, placebo-controlled, double-masked clinical trials in which oral rizatriptan was directly compared with oral sumatriptan 100 mg (n = 772), 50 mg (n = 1116), 25 mg (n = 1183), naratriptan 2.5 mg (n = 413), and zolmitriptan 2.5 mg (n = 580) for the acute treatment of a moderate or severe migraine attack. OUTCOME MEASURES: Percentage of patients pain-free at 2 hours, symptom-free at 2 hours (no pain, nausea, photophobia, phonophobia, vomiting, or functional disability), 24-hour sustained pain-free (no headache at 2 hours, no recurrence, and no additional antimigraine medications for 24 hours). RESULTS: More patients taking rizatriptan 10 mg were pain-free at 2 hours than were patients taking sumatriptan 100 mg (40% vs 33%, p = 0.019), sumatriptan 50 mg (40% vs 35%, p = 0.009), sumatriptan 25 mg (38% vs 27%, p < 0.001), naratriptan 2.5 mg (45% vs 21%, p < 0.001), and zolmitriptan 2.5 mg (43% vs 36%, p = 0.041). More patients taking rizatriptan 10 mg were symptom-free at 2 hours than were patients taking sumatriptan 100 mg (31% vs 22%, p = 0.002), sumatriptan 50 mg (33% vs 28%, p = 0.003), sumatriptan 25 mg (33% vs 24%, p < 0.001), naratriptan 2.5 mg (30% vs 11%, p < 0.001), and zolmitriptan 2.5 mg (31% vs 24%, p = 0.042). More patients taking rizatriptan 10 mg had a 24-hour sustained pain-free response than did patients taking sumatriptan 100 mg (27% vs 23%, p = 0.112), sumatriptan 50 mg (30% vs 26%, p = 0.015), sumatriptan 25 mg (27% vs 20%, p = 0.005), naratriptan 2.5 mg (29% vs 17%, p = 0.004), and zolmitriptan 2.5 mg (32% vs 24%, p = 0.013). CONCLUSION: Oral rizatriptan 10 mg was more effective than oral sumatriptan, naratriptan, and zolmitriptan on stringent outcome measures of pain-free response at 2 hours, symptom-free response at 2 hours, and 24-hour sustained pain-free response.


Assuntos
Transtornos de Enxaqueca/tratamento farmacológico , Agonistas do Receptor de Serotonina/administração & dosagem , Sumatriptana/administração & dosagem , Triazóis/administração & dosagem , Administração Oral , Humanos , Indóis/administração & dosagem , Oxazolidinonas/administração & dosagem , Satisfação do Paciente , Piperidinas/administração & dosagem , Ensaios Clínicos Controlados Aleatórios como Assunto , Estudos Retrospectivos , Triptaminas
9.
Headache ; 41(8): 754-63, 2001 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-11576198

RESUMO

OBJECTIVE: To compare the effects of oral rizatriptan, sumatriptan, naratriptan, and zolmitriptan on the relief and emergence of nausea during a migraine attack. METHODS: Data from five randomized, placebo-controlled, double-blind clinical trials in which oral rizatriptan 10 mg was directly compared with oral sumatriptan 100 mg (N = 772), 50 mg (N = 1168), 25 mg (N = 1180), naratriptan 2.5 mg (N = 406), or zolmitriptan 2.5 mg (N = 571) for the acute treatment of a migraine attack were retrospectively analyzed. Migraine was diagnosed according to International Headache Society criteria. Presence or absence of nausea was recorded at baseline and at 0.5, 1, 1.5, and 2 hours after dosing. The end points analyzed were relief of nausea in those who had it at baseline and emergence of nausea in those who were free of it at baseline. Treatments were compared using odds ratios estimated from logistic regression models at 2 hours, and averaged odds ratios for the first 2 hours posttreatment. RESULTS: Approximately 60% of patients in each treatment group had nausea at baseline. In those patients with nausea at baseline, significantly more patients treated with rizatriptan 10 mg were free of nausea at 2 hours compared with sumatriptan 100 mg (66% versus 58%, P =.043), sumatriptan 50 mg (68% versus 57%, P =.010), sumatriptan 25 mg (68% versus 59%, P =.017), and naratriptan 2.5 mg (59% versus 45%, P =.014). Averaging over the four posttreatment time points in the first 2 hours, significantly more patients treated with rizatriptan 10 mg were free of nausea compared with sumatriptan 100 mg (P =.004), sumatriptan 50 mg (P =.001), and naratriptan 2.5 mg (P =.015). No significant differences in nausea relief were seen between rizatriptan 10 mg and zolmitriptan 2.5 mg, either at 2 hours (65% versus 61%, P =.210) or over the first 2 hours (P =.781). Rates of treatment-emergent nausea at 2 hours ranged from 11% to 18% with placebo, from 5% to 13% with rizatriptan 10 mg, and from 10% to 20% with other comparator triptans. CONCLUSIONS: Oral rizatriptan 10 mg was more effective than oral sumatriptan and naratriptan at eliminating nausea within 2 hours in patients who had it at baseline. Rates of emergent nausea in patients who were free of it at baseline were low, and no consistent differences were observed between active treatments.


Assuntos
Transtornos de Enxaqueca/complicações , Transtornos de Enxaqueca/tratamento farmacológico , Náusea/tratamento farmacológico , Náusea/etiologia , Agonistas do Receptor de Serotonina/uso terapêutico , Triazóis/uso terapêutico , Administração Oral , Adulto , Método Duplo-Cego , Humanos , Indóis/efeitos adversos , Indóis/uso terapêutico , Náusea/induzido quimicamente , Oxazolidinonas/efeitos adversos , Oxazolidinonas/uso terapêutico , Piperidinas/efeitos adversos , Piperidinas/uso terapêutico , Ensaios Clínicos Controlados Aleatórios como Assunto , Agonistas do Receptor de Serotonina/efeitos adversos , Sumatriptana/efeitos adversos , Sumatriptana/uso terapêutico , Triazóis/efeitos adversos , Triptaminas , Vasoconstritores/efeitos adversos , Vasoconstritores/uso terapêutico
10.
Scand J Rheumatol ; 30(1): 19-24, 2001.
Artigo em Inglês | MEDLINE | ID: mdl-11252687

RESUMO

OBJECTIVE: To compare the incidence of selected spontaneously reported adverse events (AEs) in patients with osteoarthritis (OA) treated with rofecoxib (VIOXX, 12.5 mg qd) or Arthrotec (diclofenac 50 mg/misoprostol 200 mcg bid). METHODS: Double-blind, parallel-group, 6-week study of patients aged > or = 40 years with a clinical diagnosis of OA treated with rofecoxib or Arthrotec. Primary endpoint: self-reported diarrhea; secondary endpoints: abdominal pain, discontinuations due to AEs, GI AEs and NSAID-type GI AEs (ie., acid reflux, dyspepsia, epigastric discomfort, heartburn, nausea, vomiting). RESULTS: Among 483 patients (80.3% females, mean age 62.1), the rofecoxib group vs the Arthrotec group respectively reported diarrhea 6.2% vs 16.2% (p<0.001); drug-related diarrhea 3.7% vs 16.2% (p<0.001); one or more clinical AEs 52.9% vs 73.0% (p<0.001); GI AEs 28.9% vs 48.5% (p<0.001); NSAID-type GI AEs 18.6% vs 29.9% (p=0.004); discontinuations due to abdominal pain 0.4% vs 3.7% (p<0.05); and discontinuations due to any AE 4.1% vs 9.1% (p=0.029). No significant differences were observed in efficacy. CONCLUSION: Rofecoxib 12.5 mg qd has improved GI tolerability and similar efficacy compared to Arthrotec (diclofenac 50 mg/misoprostol 200 mcg bid).


Assuntos
Anti-Inflamatórios não Esteroides/efeitos adversos , Inibidores de Ciclo-Oxigenase/efeitos adversos , Diclofenaco/efeitos adversos , Lactonas/efeitos adversos , Misoprostol/efeitos adversos , Osteoartrite/tratamento farmacológico , Dor Abdominal/induzido quimicamente , Adulto , Idoso , Idoso de 80 Anos ou mais , Diarreia/induzido quimicamente , Método Duplo-Cego , Combinação de Medicamentos , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Osteoartrite/fisiopatologia , Índice de Gravidade de Doença , Sulfonas , Resultado do Tratamento
11.
N Engl J Med ; 343(9): 604-10, 2000 Aug 31.
Artigo em Inglês | MEDLINE | ID: mdl-10979796

RESUMO

BACKGROUND: Despite its association with disability, death, and increased medical costs, osteoporosis in men has been relatively neglected as a subject of study. There have been no large, controlled trials of treatment in men. METHODS: In a two-year double-blind trial, we studied the effect of 10 mg of alendronate or placebo, given daily, on bone mineral density in 241 men (age, 31 to 87 years; mean, 63) with osteoporosis. Approximately one third had low serum free testosterone concentrations at base line; the rest had normal concentrations. Men with other secondary causes of osteoporosis were excluded. All the men received calcium and vitamin D supplements. The main outcome measures were the percent changes in lumbar-spine, hip, and total-body bone mineral density. RESULTS: The men who received alendronate had a mean (+/-SE) increase in bone mineral density of 7.1+/-0.3 percent at the lumbar spine, 2.5+/-0.4 percent at the femoral neck, and 2.0+/-0.2 percent for the total body (P<0.001 for all comparisons with base line). In contrast, men who received placebo had an increase in lumbar-spine bone mineral density of 1.8+/-0.5 percent (P<0.001 for the comparison with base line) and no significant changes in femoral-neck or total-body bone mineral density. The increase in bone mineral density in the alendronate group was greater than that in the placebo group at all measurement sites (P<0.001). The incidence of vertebral fractures was lower in the alendronate group than in the placebo group (0.8 percent vs. 7.1 percent, P=0.02). Men in the placebo group had a 2.4-mm decrease in height, as compared with a decrease of 0.6 mm in the alendronate group (P=0.02). Alendronate was generally well tolerated. CONCLUSIONS: In men with osteoporosis, alendronate significantly increases spine, hip, and total-body bone mineral density and helps prevent vertebral fractures and decreases in height.


Assuntos
Alendronato/uso terapêutico , Densidade Óssea/efeitos dos fármacos , Osteoporose/tratamento farmacológico , Adulto , Idoso , Idoso de 80 Anos ou mais , Alendronato/farmacologia , Fosfatase Alcalina/sangue , Análise de Variância , Biomarcadores/sangue , Biomarcadores/urina , Estatura/efeitos dos fármacos , Cálcio/sangue , Colágeno/urina , Colágeno Tipo I , Método Duplo-Cego , Estradiol/sangue , Humanos , Masculino , Pessoa de Meia-Idade , Osteoporose/fisiopatologia , Peptídeos/urina , Fosfatos/sangue , Fraturas da Coluna Vertebral/epidemiologia , Fraturas da Coluna Vertebral/prevenção & controle , Testosterona/sangue
12.
J Bone Miner Res ; 15(3): 586-93, 2000 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-10750574

RESUMO

Fracture and immobilization of an extremity lead to bone loss at the fracture and at adjacent sites. We conducted a 1-year, single-center, prospective, randomized, double-blind study to determine whether bone loss would occur in the distal radius after a Colles' fracture and whether this loss could be prevented using an antiresorptive drug (alendronate). Thirty-seven women with a recent fracture of the distal forearm and low bone mineral density (BMD) of the lumbar spine were randomized to receive either 10 mg alendronate daily or placebo. BMD of both forearms was measured at baseline and after 3, 6, and 12 months. The results of four women who developed reflex sympathetic dystrophy were not included in the analysis. In the placebo group, there was a significant reduction at 3 months and 6 months in BMD of total radius (p < 0.01), one-third distal radius (p < 0.01), middistal radius (p < 0.05), and ultradistal radius (p < 0.01) on the fractured side. The loss in BMD at one-third distal radius remained significant at month 12 (p < or = 0.001). In the alendronate group BMD of total distal radius, one-third distal radius, and middistal radius at the fractured side remained unchanged. BMD of ultradistal radius increased significantly at months 3, 6, and 12, compared with baseline (p < 0.05). The difference between the two treatment groups was significant at 3 months and 6 months and borderline significant (p = 0.054) after 1 year in total distal radius. In ultradistal radius the differences were significant at all time points. We conclude that BMD of the distal radius of a recently fractured forearm decreases significantly in the 6 months after fracture and the resulting deficit remains evident at least 1 year after fracture. This bone loss can be prevented by alendronate.


Assuntos
Alendronato/uso terapêutico , Densidade Óssea/efeitos dos fármacos , Reabsorção Óssea/prevenção & controle , Fratura de Colles/tratamento farmacológico , Consolidação da Fratura/efeitos dos fármacos , Rádio (Anatomia)/efeitos dos fármacos , Absorciometria de Fóton , Idoso , Alendronato/farmacologia , Fosfatase Alcalina/sangue , Biomarcadores , Reabsorção Óssea/diagnóstico por imagem , Reabsorção Óssea/etiologia , Colágeno/urina , Colágeno Tipo I , Fratura de Colles/etiologia , Fratura de Colles/metabolismo , Método Duplo-Cego , Feminino , Humanos , Isoenzimas/sangue , Pessoa de Meia-Idade , Osteoporose Pós-Menopausa/complicações , Osteoporose Pós-Menopausa/diagnóstico , Osteoporose Pós-Menopausa/tratamento farmacológico , Peptídeos/urina , Estudos Prospectivos , Cintilografia , Rádio (Anatomia)/diagnóstico por imagem , Rádio (Anatomia)/patologia , Resultado do Tratamento
13.
Thorax ; 55(4): 260-5, 2000 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-10722763

RESUMO

BACKGROUND: Montelukast, a leukotriene receptor antagonist, improves parameters of asthma control including forced expiratory volume in one second (FEV(1)) when given orally to patients aged six years or older. This study was undertaken to compare the effect on FEV(1) of intravenous and oral montelukast and placebo during the 24 hour period following administration. METHODS: Fifty one asthmatic patients (FEV(1) 40-80% predicted and > or =15% improvement after inhaled beta agonist) were enrolled in a double blind, single dose, three period, crossover study to receive intravenous montelukast (7 mg), oral montelukast (10 mg), or placebo in a randomised fashion. The primary end point was area under the curve (AUC)(0-24 h) of the percentage change from baseline in FEV(1). Additional end points were maximum percentage change in FEV(1) and percentage change at different time points. RESULTS: Compared with placebo, intravenous and oral montelukast significantly increased the AUC(0-24 h) (means of 20.70%, 15.72%, and 7.75% for intravenous, oral and placebo, respectively; no statistical difference between intravenous and oral). The difference in least square means from placebo for intravenous montelukast was 13.27% (95% CI 7.07 to 19.46), p<0.001 and for oral montelukast was 7.44% (95% CI 1.20 to 13.68), p = 0.020. The maximum percentage change in FEV(1) was not significantly different for intravenous and oral montelukast (difference in least square means 6.78% (95% CI -0.59 to 14.15), p = 0.071). The mean percentage change in FEV(1) for intravenous montelukast was greater than for oral montelukast within the first hour (15.02% vs 4.67% at 15 min, p< or =0.001; 18.43% vs 12.90% at one hour, p<0.001 for intravenous and oral montelukast, respectively (placebo 3.05% at 15 minutes, 7.33% at one hour). Intravenous and oral montelukast were similar to placebo in the frequency of adverse events. CONCLUSIONS: The onset of action for intravenous montelukast was faster than for oral montelukast and the improvement in airway function lasted over the 24 hour observation period for both treatments. Although not well understood, there was a trend toward a greater improvement in FEV(1) with intravenous than with oral montelukast. These findings suggest that leukotriene receptor antagonists should be investigated as a treatment for acute severe asthma.


Assuntos
Acetatos/administração & dosagem , Antiasmáticos/administração & dosagem , Asma/tratamento farmacológico , Quinolinas/administração & dosagem , Adolescente , Adulto , Análise de Variância , Asma/fisiopatologia , Estudos Cross-Over , Ciclopropanos , Método Duplo-Cego , Feminino , Volume Expiratório Forçado/efeitos dos fármacos , Humanos , Masculino , Pessoa de Meia-Idade , Sulfetos
14.
Osteoporos Int ; 9(5): 461-8, 1999.
Artigo em Inglês | MEDLINE | ID: mdl-10550467

RESUMO

This randomized, double-masked, placebo-controlled trial evaluated the safety, tolerability and effects on bone mineral density (BMD) of alendronate in a large, multinational population of postmenopausal women with low bone mass. At 153 centers in 34 countries, 1908 otherwise healthy, postmenopausal women with lumbar spine BMD 2 standard deviations or more below the premenopausal adult mean were randomly assigned to receive oral alendronate 10 mg (n = 950) or placebo (n = 958) once daily for 1 year. All patients received 500 mg elemental calcium daily. Baseline characteristics of patients in the two treatment groups were similar. At 12 months, mean increases in BMD were significantly (p

Assuntos
Alendronato/uso terapêutico , Densidade Óssea/efeitos dos fármacos , Reabsorção Óssea/tratamento farmacológico , Fraturas Ósseas/prevenção & controle , Osteoporose Pós-Menopausa/prevenção & controle , Adulto , Idoso , Idoso de 80 Anos ou mais , Fosfatase Alcalina/sangue , Análise de Variância , Biomarcadores/sangue , Biomarcadores/urina , Colágeno/urina , Colágeno Tipo I , Creatinina/urina , Método Duplo-Cego , Feminino , Fraturas Ósseas/metabolismo , Humanos , Pessoa de Meia-Idade , Osteoporose Pós-Menopausa/metabolismo , Peptídeos/urina
15.
Eur Neurol ; 42(3): 173-9, 1999.
Artigo em Inglês | MEDLINE | ID: mdl-10529545

RESUMO

Rizatriptan (MAXALT(TM), Merck & Co., Inc.) is a selective 5-HT(1B/1D) receptor agonist with rapid oral absorption and early onset of action for the acute treatment of migraine. This randomized, double-masked, double-dummy, placebo-controlled study compared rizatriptan 10 mg to naratriptan (NARAMIG(TM), AMERGE(TM), both Glaxo Wellcome plc) 2.5 mg in 522 patients treating a single migraine attack. Rizatriptan was more effective than naratriptan. Rizatriptan provided earlier headache relief than naratriptan (hazard ratio 1.62, p < 0.001), acting as early as 30 min. More patients were pain free at 2 h on rizatriptan than on naratriptan (44.8 vs. 20.7%, p < 0.001). Rizatriptan also provided earlier relief of associated migraine symptoms within 2 h than naratriptan and more patients had normal function at 2 h (39.3 vs. 22.6%, p < 0. 001). Both active treatments were effective compared to placebo. Both active treatments were well tolerated. The most common side effects with rizatriptan were dizziness, asthenia/fatigue, nausea and somnolence, while the most common side effects with naratriptan were dizziness and asthenia/fatigue.


Assuntos
Indóis/uso terapêutico , Transtornos de Enxaqueca/tratamento farmacológico , Piperidinas/uso terapêutico , Agonistas do Receptor de Serotonina/uso terapêutico , Triazóis/uso terapêutico , Adulto , Relação Dose-Resposta a Droga , Método Duplo-Cego , Feminino , Humanos , Indóis/administração & dosagem , Indóis/efeitos adversos , Masculino , Pessoa de Meia-Idade , Piperidinas/administração & dosagem , Piperidinas/efeitos adversos , Recidiva , Agonistas do Receptor de Serotonina/administração & dosagem , Agonistas do Receptor de Serotonina/efeitos adversos , Resultado do Tratamento , Triazóis/administração & dosagem , Triazóis/efeitos adversos , Triptaminas
16.
J Am Acad Dermatol ; 41(4): 550-4, 1999 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-10495374

RESUMO

BACKGROUND: Data suggest that androgenetic alopecia is a process dependent on dihydrotestosterone (DHT) and type 2 5alpha-reductase. Finasteride is a type 2 5alpha-reductase inhibitor that has been shown to slow further hair loss and improve hair growth in men with androgenetic alopecia. OBJECTIVE: We attempted to determine the effect of finasteride on scalp skin and serum androgens. METHODS: Men with androgenetic alopecia (N = 249) underwent scalp biopsies before and after receiving 0.01, 0.05, 0.2, 1, or 5 mg daily of finasteride or placebo for 42 days. RESULTS: Scalp skin DHT levels declined significantly by 13.0% with placebo and by 14.9%, 61.6%, 56. 5%, 64.1%, and 69.4% with 0.01, 0.05, 0.2, 1, and 5 mg doses of finasteride, respectively. Serum DHT levels declined significantly (P <.001) by 49.5%, 68.6%, 71.4%, and 72.2% in the 0.05, 0.2, 1, and 5 mg finasteride treatment groups, respectively. CONCLUSION: In this study, doses of finasteride as low as 0.2 mg per day maximally decreased both scalp skin and serum DHT levels. These data support the rationale used to conduct clinical trials in men with male pattern hair loss at doses of finasteride between 0.2 and 5 mg.


Assuntos
Inibidores de 5-alfa Redutase , Alopecia/tratamento farmacológico , Androgênios/metabolismo , Inibidores Enzimáticos/uso terapêutico , Finasterida/uso terapêutico , Couro Cabeludo/metabolismo , Adolescente , Adulto , Alopecia/metabolismo , Androstano-3,17-diol/análogos & derivados , Androstano-3,17-diol/metabolismo , Di-Hidrotestosterona/metabolismo , Método Duplo-Cego , Inibidores Enzimáticos/efeitos adversos , Finasterida/efeitos adversos , Humanos , Masculino , Pessoa de Meia-Idade , Couro Cabeludo/efeitos dos fármacos , Testosterona/metabolismo
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