Resumen

Este es un estudio de extensión (OLE) de fase 2, multicéntrico, abierto, para evaluar la seguridad, la tolerabilidad y la eficacia a largo plazo de infigratinib, un inhibidor selectivo de la tirosina quinasa FGFR 1-3, en sujetos con ACH que hayan completado previamente un estudio interventional patrocinado por QED, y potencialmente en sujetos adicionales sin tratamiento previo con infigratinib. También se evaluará la calidad de vida en esta población de sujetos. Los sujetos sin tratamiento previo deben contar con al menos un período de 6 meses de evaluación del crecimiento en el estudio QBGJ398-001 (PROPEL) y serán incorporados a este estudio OLE únicamente después de identificarse una dosis a explorar en el Estudio de Fase 2 QBGJ398-201, y siempre que los sujetos no sean elegibles para inscribirse en otro estudio de ACH de Fase 2 o Fase 3 patrocinado por QED.

Elegibilidad

Edad mínima: 3 YearsEdad máxima: 18 YearsSexo: ALL

Criterios de inclusión

Pediatric subjects with ACH who have completed a previous QED-sponsored interventional study with infigratinib.
Subjects and parent(s), legal guardian(s), or caregiver(s) are willing and able to comply with study visits and study procedures.
Subjects are able to swallow oral medication.
Negative pregnancy test in girls ≥10 years of age or girls of any age who have experienced menarche.
If sexually active, subject must be willing to use a highly effective method of contraception while taking study drug and for 1 month after the last dose of study drug.
The PI, or a person designated by the PI, will obtain written informed consent from each subject's parent(s), legal guardian(s), or caregiver(s) and the subject's assent, when applicable, before any study-specific activity is performed.
Subject must be 3 to \<18 years of age at screening and have growth potential.
Subjects and parent(s), legal guardian(s), or caregiver(s) are willing and able to comply with study visits and study procedures.
Subjects are able to swallow oral medication.
Subjects who have a diagnosis of ACH, documented clinically and confirmed by genetic testing.
Subjects have at least a 6-month period of growth assessment in the PROPEL study (Protocol QBGJ398 001) before study entry.
Negative pregnancy test in girls ≥10 years of age or girls of any age who have experienced menarche.
If sexually active, subject must be willing to use a highly effective method of contraception while taking study drug and for 1 month after the last dose of study drug.
The PI, or a person designated by the PI, will obtain written informed consent from each subject's parent(s), legal guardian(s), or caregiver(s) and the subject's assent, when applicable, before any study-specific activity is performed.

Criterios de exclusión

Subject has concurrent circumstance, disease, or condition that, in the view of the PI and/or sponsor, would interfere with study participation or safety evaluations.
Subjects who developed a medical condition that will require the initiation of treatment with a prohibited medication.
Subjects prematurely discontinued a prior QED-sponsored interventional study with infigratinib
Current participation in an ongoing clinical study with a sponsor other than QED
Subjects that have reached final height or near final height.
Subjects who have hypochondroplasia or short stature condition other than ACH (e.g., trisomy 21, pseudoachondroplasia, psychosocial short stature).
Subjects who have significant concurrent disease or condition that, in the view of the PI and/or sponsor, would represent an increased risk to the subject or would interfere with study participation or safety evaluations.
Subjects who have a history of malignancy.
Subjects who are currently receiving treatment with agents that are known strong inducers or inhibitors of cytochrome P450 (CYP) 3A4.
Subjects who discontinued treatment with prohibited medications for at least 5 half-lives before screening are eligible.
Subjects who have received treatment with growth hormone, insulin-like growth factor 1 (IGF 1), anabolic steroids or any investigational or approved drug for the treatment of ACH in the previous 6 months.
Subjects who have significant abnormality in screening laboratory results.
Subjects who have had a fracture within 12 months of screening.

Intervenciones

drug

Infigratinib

Infigratinib minitablets or sprinkle capsules to be administered by mouth. In subjects that completed a prior study with infigratinib, the starting dose will be the same as the last dose received in the prior interventional study with infigratinib. Infigratinib dose may be adjusted to 0.25 mg/kg/day (the dose selected to be explored further in the dose escalation portion of Phase 2 study QBGJ398-201 (PROPEL 2)).

drug

Infigratinib

Infigratinib sprinkle capsules to be administered by mouth. Starting dose for the subjects naïve to Infigratinib will be 0.25 mg/kg/day (the dose selected to be explored further in the dose escalation portion of Phase 2 study QBGJ398-201 (PROPEL 2)).

Estudio de extensión (OLE) de fase 2, abierto, a largo plazo de infigratinib, un inhibidor selectivo de la tirosina quinasa FGFR 1-3, en niños con acondroplasia: PROPEL OLE

Resumen

Elegibilidad

Criterios de inclusión

Criterios de exclusión

Intervenciones

Infigratinib

Infigratinib

Ubicaciones

Hospital de Pediatría SAMIC Prof. Dr. Juan P. Garrahan

Patrocinadores