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Vandetanib
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Vandetanib
Vandetanib, sold under the brand name Caprelsa, is an anti-cancer medication that is used for the treatment of certain tumors of the thyroid gland. It acts as a kinase inhibitor of a number of cell receptors, mainly the vascular endothelial growth factor receptor, the epidermal growth factor receptor, and the RET-tyrosine kinase. The drug was developed by AstraZeneca who sold the rights to Sanofi in 2015.
Vandetanib is indicated for the treatment of symptomatic or progressive medullary thyroid cancer in people with unresectable locally advanced or metastatic disease. Vandetanib is used to treat medullary thyroid cancer in adults who are ineligible for surgery.
The V804M mutation in RET confers resistance to Vandetanib anti-RET activity.
In people with moderate and severe hepatic impairment, no dosage for vandetanib has been recommended, as its safety and efficacy has not been established yet. Vandetanib is contraindicated in people with congenital long QT syndrome.
Very common (present in greater than 10% of people) adverse effects include colds, bronchitis, upper respiratory tract infections, urinary tract infections, decreased appetite, low calcium absorption, insomnia, depressed mood, Headache, tingling sensations, weird, painful sensations, dizziness, blurred vision, damage to the cornea, long QT syndrome, high blood pressure, stomach pain, diarrhea, nausea, vomiting, indigestion, sensitivity to sunlight, rash, acne, dry and itchy skin, nail disorders, protein in urine, kidney stones, weakness, fatigue, pain, and edema.
Common (present in between 1% and 10% of people) adverse effects include pneumonia, sepsis, influenza, cystitis, sinusitis, laryngitis, folliculitis, boils, fungal infection, kidney infections, low thyroid hormone levels, low potassium, high calcium levels, hyperglycemia, hypercholesterolemia, hypertriglyceridemia, dehydration, low sodium levels, anxiety, tremor, lethargy, loss of consciousness, balance disorders, changes in sense of taste, visual impairment, halo vision, perceived light flashes, glaucoma, pink eye, dry eye, keratopathy, hypertensive crisis, mini strokes, nose bleeds, coughing up blood, defecating blood, colitis, dry mouth, stomatitis, constipation, gastritis, gallstones, Chemotherapy-induced acral erythema, hair loss, painful urination, bloody urine, kidney failure, frequent urination, urgent need to urinate, and fever.
Vandetanib has been reported as a substrate for the OATP1B1 and OATP1B3 transporters. Interaction of vandetanib with OATP1B1 and OATP1B3 may alter its hepatic disposition and can lead to transporter mediated drug-drug interactions. Also, vandetanib is an inhibitor of OATP1B3 transporter but not for OATP1B1.
Other drugs that prolong the QT interval can possibly add to this side effect of vandetanib. As the drug is partly metabolised via the liver enzyme CYP3A4, strong inducers of this enzyme can decrease its blood plasma concentrations. CYP3A4 inhibitors do not significantly increase vandetanib concentrations, presumably because it is also metabolised by flavin containing monooxygenase 1 (FMO1) and 3.
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Vandetanib
Vandetanib, sold under the brand name Caprelsa, is an anti-cancer medication that is used for the treatment of certain tumors of the thyroid gland. It acts as a kinase inhibitor of a number of cell receptors, mainly the vascular endothelial growth factor receptor, the epidermal growth factor receptor, and the RET-tyrosine kinase. The drug was developed by AstraZeneca who sold the rights to Sanofi in 2015.
Vandetanib is indicated for the treatment of symptomatic or progressive medullary thyroid cancer in people with unresectable locally advanced or metastatic disease. Vandetanib is used to treat medullary thyroid cancer in adults who are ineligible for surgery.
The V804M mutation in RET confers resistance to Vandetanib anti-RET activity.
In people with moderate and severe hepatic impairment, no dosage for vandetanib has been recommended, as its safety and efficacy has not been established yet. Vandetanib is contraindicated in people with congenital long QT syndrome.
Very common (present in greater than 10% of people) adverse effects include colds, bronchitis, upper respiratory tract infections, urinary tract infections, decreased appetite, low calcium absorption, insomnia, depressed mood, Headache, tingling sensations, weird, painful sensations, dizziness, blurred vision, damage to the cornea, long QT syndrome, high blood pressure, stomach pain, diarrhea, nausea, vomiting, indigestion, sensitivity to sunlight, rash, acne, dry and itchy skin, nail disorders, protein in urine, kidney stones, weakness, fatigue, pain, and edema.
Common (present in between 1% and 10% of people) adverse effects include pneumonia, sepsis, influenza, cystitis, sinusitis, laryngitis, folliculitis, boils, fungal infection, kidney infections, low thyroid hormone levels, low potassium, high calcium levels, hyperglycemia, hypercholesterolemia, hypertriglyceridemia, dehydration, low sodium levels, anxiety, tremor, lethargy, loss of consciousness, balance disorders, changes in sense of taste, visual impairment, halo vision, perceived light flashes, glaucoma, pink eye, dry eye, keratopathy, hypertensive crisis, mini strokes, nose bleeds, coughing up blood, defecating blood, colitis, dry mouth, stomatitis, constipation, gastritis, gallstones, Chemotherapy-induced acral erythema, hair loss, painful urination, bloody urine, kidney failure, frequent urination, urgent need to urinate, and fever.
Vandetanib has been reported as a substrate for the OATP1B1 and OATP1B3 transporters. Interaction of vandetanib with OATP1B1 and OATP1B3 may alter its hepatic disposition and can lead to transporter mediated drug-drug interactions. Also, vandetanib is an inhibitor of OATP1B3 transporter but not for OATP1B1.
Other drugs that prolong the QT interval can possibly add to this side effect of vandetanib. As the drug is partly metabolised via the liver enzyme CYP3A4, strong inducers of this enzyme can decrease its blood plasma concentrations. CYP3A4 inhibitors do not significantly increase vandetanib concentrations, presumably because it is also metabolised by flavin containing monooxygenase 1 (FMO1) and 3.
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