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1.
Br J Dermatol ; 183(2): 242-255, 2020 08.
Artículo en Inglés | MEDLINE | ID: mdl-31995838

RESUMEN

BACKGROUND: Baricitinib, an oral selective Janus kinase 1 and 2 inhibitor, effectively reduced atopic dermatitis (AD) severity in a phase II study with concomitant topical corticosteroids. OBJECTIVES: To evaluate the efficacy and safety of baricitinib in patients with moderate-to-severe AD who had an inadequate response to topical therapies. METHODS: In two independent, multicentre, double-blind, phase III monotherapy trials, BREEZE-AD1 and BREEZE-AD2, adults with moderate-to-severe AD were randomized 2 : 1 : 1 : 1 to once-daily placebo, baricitinib 1 mg, 2 mg, or 4 mg for 16 weeks. RESULTS: At week 16, more patients achieved the primary end point of Validated Investigator's Global Assessment of AD (0, 1) on baricitinib 4 mg and 2 mg compared with placebo in BREEZE-AD1 [N = 624; baricitinib 4 mg 16·8% (P < 0·001), 2 mg 11·4% (P < 0·05), 1 mg 11·8% (P < 0·05), placebo 4·8%], and BREEZE-AD2 [N = 615; baricitinib 4 mg 13·8% (P = 0·001), 2 mg 10·6% (P < 0·05), 1 mg 8·8% (P = 0·085), placebo 4·5%]. Improvement in itch was achieved as early as week 1 for 4 mg and week 2 for 2 mg. Improvements in night-time awakenings, skin pain and quality-of-life measures were observed by week 1 for both 4 mg and 2 mg (P ≤ 0·05, all comparisons). The most common adverse events in patients treated with baricitinib were nasopharyngitis and headache. No cardiovascular events, venous thromboembolism, gastrointestinal perforation, significant haematological changes, or death were observed with any baricitinib dosage. CONCLUSIONS: Baricitinib improved clinical signs and symptoms in patients with moderate-to-severe AD within 16 weeks of treatment and induced rapid reduction of itch. The safety profile remained consistent with prior findings from baricitinib clinical development in AD, with no new safety concerns.


Asunto(s)
Dermatitis Atópica , Corticoesteroides , Adulto , Anticuerpos Monoclonales Humanizados , Azetidinas , Dermatitis Atópica/tratamiento farmacológico , Humanos , Purinas , Pirazoles , Índice de Severidad de la Enfermedad , Sulfonamidas , Resultado del Tratamiento
2.
J Clin Pharmacol ; 30(8): 743-7, 1990 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-2119396

RESUMEN

To determine the absorption characteristics of a new dosage form of divalproex sodium consisting of coated particles in a pull-apart capsule (Depakote Sprinkle, Abbott Laboratories, North Chicago, IL), two absorption studies were conducted in adult volunteers. Ten fasting men participated in a single-dose, crossover study comparing absorption from Sprinkle capsules versus enteric-coated tablets (study 1). Eleven men participated in a multidose study (study 2) in which Sprinkle capsules or enteric-coated tablets were given once every 24 hours for three doses under fasting and nonfasting conditions. In study 1, the extent of absorption from Sprinkle capsules equalled that from enteric-coated tablets. Compared to enteric-coated tablets, Sprinkle capsules had earlier absorption onset, 1 versus 2.6 hours (P less than .05), slightly slower absorption rate, time to reach peak (tmax) of 4.0 versus 3.4 hours (P less than .1), and lower maximum peak plasma drug concentration (Cmax), 20.7 versus 25.9 mcg/mL (P less than .05). In study 2, food intake did not affect onset or extent of absorption nor maximum concentration, but did slow rate of absorption. Time to reach peak concentration was 2.7 hours for tablet (fasting), 3.3 hours for capsule (fasting), and 4.8 hours for capsule (nonfasting) (P less than .05). Intrasubject absorption performance from the three doses was highly consistent, regardless of food intake. These data indicate that Sprinkle capsules possess desirable absorption characteristics in a form that makes ingestion easier for patients who have difficulty taking other valproate dosage forms.


Asunto(s)
Absorción Intestinal , Ácido Valproico/farmacocinética , Adolescente , Adulto , Esquema de Medicación , Composición de Medicamentos , Ayuno/sangre , Alimentos , Humanos , Masculino , Distribución Aleatoria , Factores de Tiempo , Ácido Valproico/administración & dosificación , Ácido Valproico/sangre
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