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BioRay anuncia la incorporación del primer paciente al estudio clínico de fase I de BRY812
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News provided by

BioRay Pharmaceutical Co., Ltd

Nov 11, 2023, 10:32 ET

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- BioRay anuncia la incorporación del primer paciente al estudio clínico de fase I de BRY812, un nuevo conjugado de fármaco-anticuerpo dirigido a LIV-1

SHANGHAI, 11 de noviembre de 2023 /PRNewswire/ -- BioRay Pharmaceutical Co., Ltd. (en adelante, BioRay) anunció que el primer paciente recibió una dosis en el ensayo clínico de fase I de BRY812, un conjugado anticuerpo-fármaco (ADC) de tercera generación dirigido a LIV-1 para el tratamiento de tumores malignos avanzados. La institución líder de este ensayo clínico es el Hospital Memorial Sun Yat-sen de la Universidad Sun Yat-sen, y los investigadores principales son el académico Song Erwei y el profesor Yao Herui.

LIV-1, también conocida como SLC39A6 o ZIP6, es una proteína transmembrana de múltiples pasos que pertenece a la superfamilia ZIP de transportadores de zinc, posee actividades transportadoras de zinc y metaloproteinasas. LIV-1 participa directamente en el metabolismo homeostático de los iones de zinc intracelulares, facilitando el transporte de iones de zinc desde el espacio extracelular o los orgánulos intracelulares al citoplasma, influyendo en el crecimiento celular. Hasta la fecha, no hay medicamentos aprobados en todo el mundo que se dirijan al LIV-1, lo que convierte al BRY812 de BioRay en el primer ADC de LIV-1 en China y el segundo en entrar en ensayos clínicos a nivel mundial.

BRY812 utiliza la plataforma de tecnología de conjugación química irreversible patentada CysLink™ y un conector altamente estable para conjugar el anticuerpo con la toxina. BRY812 ha demostrado una inhibición significativa del crecimiento tumoral en estudios preclínicos y demostró una excelente actividad antitumoral que es potencialmente superior a fármacos similares. En comparación con otros fármacos de la misma clase, presenta una mayor estabilidad circulatoria, una liberación eficaz de la carga útil dentro del tumor y, al mismo tiempo, reduce significativamente la eliminación y el intercambio de toxinas en el suero. Esto proporciona a BRY812 un excelente perfil de seguridad y una ventana terapéutica mejorada. Además, BRY812 también puede inducir la muerte celular inmunogénica (ICD) y mejorar los efectos antitumorales de inmunoterapias como la anti-PD-(L)1.

El doctor Zhu Wei, director de Marketing de BioRay, afirmó: "El importante potencial de mercado de los ADC requiere diferenciarse en la competencia del mercado y ampliar la cobertura a una población de pacientes más amplia. Como el primer ADC nacional dirigido a LIV-1 que entra en ensayos clínicos, se espera que BRY812 pueda tratar varios tumores malignos avanzados, satisfacer más necesidades de medicación clínica y ofrecer más opciones de tratamiento a los pacientes".

Acerca de BioRay

BioRay es pionero en la industria biofarmacéutica de China y se centra en enfermedades inmunomediadas. Su amplia cartera de productos autoinmunes y oncológicos incluye seis productos comercializados y más de 10 fármacos candidatos en fase clínica. Bioray, que opera una plataforma totalmente integrada con capacidades de extremo a extremo en el descubrimiento de fármacos, el desarrollo clínico, la fabricación y la comercialización, cuenta con más de 1.500 empleados en todo el mundo, con sedes principales en Taizhou, Hangzhou, Shanghái y San Diego.

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