Abstract: A JAK inhibitor may be used in preparation of a medicament. The medicament may be used for preventing and/or treating a disease or condition associated with an antitumor agent in a subject. A pharmaceutical composition may include the JAK inhibitor as may a kit. The JAK inhibitor may include a compound of formula (I) or a pharmaceutically acceptable salt thereof: Q, X, Y, and Z being independently N or C, and R1, R2 and R3 being independently a 5-6-membered aromatic ring, 5-6-membered heteroaromatic ring, 5-6-membered cycloalkyl, 5-6-membered heterocycloalkyl, amino, or amido, the aromatic ring, heteroaromatic ring, cycloalkyl, and/or heterocycloalkyl being optionally substituted by a substituent.

Abstract: The present application relates to use of a nitric oxide releasing agent in the preparation of a medicament for preventing or treating diseases or disorders associated with administration of a VEGFR inhibitor and/or VEGF inhibitor. The present application further provides a method for preventing or treating diseases or disorders associated with administration of a VEGFR inhibitor and/or VEGF inhibitor in a subject. The mothed comprise administering, to a subject in need, a prophylactically or therapeutically effective amount of the nitric oxide releasing agent.

Abstract: The present application relates to use of a nitric oxide releasing agent in the preparation of a medicament for preventing or treating diseases or disorders associated with administration of a VEGFR inhibitor and/or VEGF inhibitor. The present application further provides a method for preventing or treating diseases or disorders associated with administration of a VEGFR inhibitor and/or VEGF inhibitor in a subject. The method comprise administering, to a subject in need, a prophylactically or therapeutically effective amount of the nitric oxide releasing agent.

Abstract: The present application relates to use of a nitric oxide releasing agent in the preparation of a medicament for preventing or treating diseases or disorders associated with administration of a VEGFR inhibitor and/or VEGF inhibitor. The present application further provides a method for preventing or treating diseases or disorders associated with administration of a VEGFR inhibitor and/or VEGF inhibitor in a subject. The method comprise administering, to a subject in need, a prophylactically or therapeutically effective amount of the nitric oxide releasing agent.