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The safety and toxicity profile of SPL84, an inhaled antisense oligonucleotide for treatment of cystic fibrosis patients with the 3849 +10kb C->T mutation, supports a Phase 1/2 clinical study

Friedman, Lital ; Avitzur, Ofra-Barchad ; Galai, Efrat Ozeri ; Ferrari, Nicolay ; Choen, Asa ; Dahan, Sara ; Mordechai, Tamar ; Hart, Gili

Taylor & Francis 2023

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  • Título:
    The safety and toxicity profile of SPL84, an inhaled antisense oligonucleotide for treatment of cystic fibrosis patients with the 3849 +10kb C->T mutation, supports a Phase 1/2 clinical study
  • Autor: Friedman, Lital ; Avitzur, Ofra-Barchad ; Galai, Efrat Ozeri ; Ferrari, Nicolay ; Choen, Asa ; Dahan, Sara ; Mordechai, Tamar ; Hart, Gili
  • Assuntos: Biochemistry ; Cell Biology ; Chemical Sciences not elsewhere classified ; FOS: Biological sciences ; FOS: Clinical medicine ; FOS: Health sciences ; Genetics ; Immunology ; Infectious Diseases ; Medicine ; Pharmacology ; Virology
  • Notas: RelationTypeNote: IsSupplementTo -- 10.1080/17425255.2023.2266361
    10.1080/17425255.2023.2266361
  • Descrição: SPL84 is an inhaled antisense oligonucleotide (ASO) in development for the treatment of cystic fibrosis (CF) patients carrying the 3849 + 10kb C->T (3849) mutation. To support the initiation of the first clinical study, a full battery of safety and toxicology studies were performed. SPL84 was administered by inhalation to mice and monkeys to determine the no observed adverse effect level (NOAEL) and establish sufficient safety margins for the starting clinical dose. There were no preclinical safety findings with SPL84; no related clinical signs, nor any effect on body weight, food consumption, or clinical pathology. The microscopic changes in the lungs were regarded as non-adverse and reflected a normal clearance process for inhaled compounds. Systemic exposure in both species was low. The NOAEL for mice and monkeys was the highest administered dose in both species, resulting in safety margins ~ 40X the proposed starting clinical dose. These successful results supported the initiation of a phase 1/2 clinical study of SPL84 (ongoing), assessing the safety, tolerability, and pharmacokinetics of a single ascending dose in healthy subjects to be followed by assessment of safety, tolerability, pharmacokinetics, and preliminary efficacy of multiple ascending doses in CF patients carrying the 3849 mutation.
  • Editor: Taylor & Francis
  • Data de criação/publicação: 2023
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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