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Pharmacol Res Perspect ; 12(3): e1200, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38655895

RESUMO

Cerebral cavernous malformation (CCM) has variable clinical symptoms, including potentially fatal hemorrhagic stroke. Treatment options are very limited, presenting a large unmet need. REC-994 (also known as tempol), identified as a potential treatment through an unbiased drug discovery platform, is hypothesized to treat CCMs through a reduction in superoxide, a reactive oxygen species. We investigated the safety, tolerability, and pharmacokinetic profile of REC-994 in healthy volunteers. Single- and multiple-ascending dose (SAD and MAD, respectively) studies were conducted in adult volunteers (ages 18-55). SAD study participants received an oral dose of REC-994 or placebo. MAD study participants were randomized 3:1 to oral doses of REC-994 or matching placebo, once daily for 10 days. Thirty-two healthy volunteers participated in the SAD study and 52 in the MAD study. Systemic exposure increased in proportion to REC-994 dose after single doses of 50-800 mg and after 10 days of dosing over the 16-fold dose range of 50-800 mg. Median Tmax and mean t1/2 were independent of dose in both studies, and the solution formulation was more rapidly absorbed. REC-994 was well tolerated. Treatment-emergent adverse effects across both studies were mild and transient and resolved by the end of the study. REC-994 has a favorable safety profile and was well tolerated in single and multiple doses up to 800 mg with no dose-limiting adverse effects identified. Data support conducting a phase 2 clinical trial in patients with symptomatic CCM.


Assuntos
Óxidos N-Cíclicos , Relação Dose-Resposta a Droga , Marcadores de Spin , Humanos , Adulto , Masculino , Feminino , Óxidos N-Cíclicos/administração & dosagem , Óxidos N-Cíclicos/farmacocinética , Óxidos N-Cíclicos/efeitos adversos , Adulto Jovem , Pessoa de Meia-Idade , Adolescente , Método Duplo-Cego , Voluntários Saudáveis , Oxirredução , Administração Oral , Hemangioma Cavernoso do Sistema Nervoso Central/tratamento farmacológico
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