Mirdametinib
Generic Name: mirdametinib
Brand Names:
Gomekli
11 DESCRIPTION GOMEKLI capsules and tablets for oral suspension contain mirdametinib, a kinase inhibitor. Mirdametinib is chemically known as (R)-N-(2,3-dihydroxypropoxy)-3,4-difluoro-2-((2- fluoro-4-iodophenyl)amino) benzamide. The molecular formula is C 16 H 14 F 3 IN 2 O 4 and the molecular weight is 482.20 g/mol. The structural formula for mirdametinib is: Mirdametinib is a white to tan or pink solid with an aqueous solubility of 0.25 mg/mL and a pH of 7.2 in water at 25°C.
Overview
11 DESCRIPTION GOMEKLI capsules and tablets for oral suspension contain mirdametinib, a kinase inhibitor. Mirdametinib is chemically known as (R)-N-(2,3-dihydroxypropoxy)-3,4-difluoro-2-((2- fluoro-4-iodophenyl)amino) benzamide. The molecular formula is C 16 H 14 F 3 IN 2 O 4 and the molecular weight is 482.20 g/mol. The structural formula for mirdametinib is: Mirdametinib is a white to tan or pink solid with an aqueous solubility of 0.25 mg/mL and a pH of 7.2 in water at 25°C.
Uses
1 INDICATIONS AND USAGE GOMEKLI is indicated for the treatment of adult and pediatric patients 2 years of age and older with neurofibromatosis type 1 (NF1) who have symptomatic plexiform neurofibromas (PN) not amenable to complete resection [see Clinical Studies (14) ]. GOMEKLI is a kinase inhibitor indicated for the treatment of adult and pediatric patients 2 years of age and older with neurofibromatosis type 1 (NF1) who have symptomatic plexiform neurofibromas (PN) not amenable to complete resection. ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION The recommended dosage of GOMEKLI is 2 mg/m 2 orally twice daily, with or without food, for the first 21 days of each 28-day cycle. Continue treatment with GOMEKLI until disease progression or unacceptable toxicity. ( 2 ) 2.1 Recommended Evaluation and Testing Before Initiating GOMEKLI Prior to administration of GOMEKLI: conduct comprehensive ophthalmic assessment [see Warnings and Precautions (5.1) ]. assess ejection fraction (EF) by echocardiogram [see Warnings and Precautions (5.2) ]. 2.2 GOMEKLI Dosage Form Overview GOMEKLI is available in 2 dosage forms: capsules or tablets for oral suspension. GOMEKLI capsules: must be swallowed whole, do not open, break or chew capsules.
Side Effects
6 ADVERSE REACTIONS The following serious adverse reactions are described elsewhere in the labeling: Ocular Toxicity [see Warnings and Precautions (5.1) ] Left Ventricular Dysfunction [see Warnings and Precautions (5.2) ] Dermatologic Adverse Reactions [see Warnings and Precautions (5.3) ] Embryo-Fetal Toxicity [see Warnings and Precautions (5.4) ] Adults: The most common adverse reactions (>25%) were rash, diarrhea, nausea, musculoskeletal pain, vomiting, and fatigue. ( 6.1 ) The most common Grade 3 or 4 laboratory abnormality (>2%) was increased creatine phosphokinase. ( 6.1 ) Pediatric patients: The most common adverse reactions (>25%) were rash, diarrhea, musculoskeletal pain, abdominal pain, vomiting, headache, paronychia, left ventricular dysfunction, and nausea.
Warnings
5 WARNINGS AND PRECAUTIONS Ocular Toxicity : Conduct comprehensive ophthalmic assessments prior to initiating GOMEKLI, at regular intervals during treatment and for new or worsening visual changes or blurred vision. Continue, withhold, reduce the dose, or permanently discontinue GOMEKLI based on severity. ( 5.1 ) Left Ventricular Dysfunction : Assess ejection fraction by echocardiogram prior to initiating GOMEKLI, every 3 months during the first year, then as clinically indicated thereafter. Withhold, reduce the dose, or permanently discontinue GOMEKLI based on severity. ( 5.2 ) Dermatologic Adverse Reactions : Initiate supportive care at first signs of dermatologic adverse reactions including rash. Withhold, reduce the dose, or permanently discontinue GOMEKLI based on severity. 4 CONTRAINDICATIONS None. None. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Based on findings from clinical trials, animal studies, and its mechanism of action [see Clinical Pharmacology (12.1) ] , GOMEKLI can cause fetal harm or loss of pregnancy when administered to a pregnant woman. In embryo-fetal development studies, oral administration of mirdametinib to pregnant rats and rabbits during the period of organogenesis caused embryo-fetal mortality, structural abnormalities and alterations to growth at doses that were approximately equivalent to the human clinical dose of 2 mg/m 2 twice daily based on BSA (see Data).
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING How supplied GOMEKLI Capsules are supplied as follows: Capsule Strength Capsule Description Package Configuration NDC 1 mg Light green body and cap with “MIR 1 mg” printed on the cap in white ink. Bottle of 42 capsules 82448-130-42 2 mg White body and a blue green cap with “MIR 2 mg” printed on the cap in white ink.
Frequently Asked Questions
What is Mirdametinib used for?▼
1 INDICATIONS AND USAGE GOMEKLI is indicated for the treatment of adult and pediatric patients 2 years of age and older with neurofibromatosis type 1 (NF1) who have symptomatic plexiform neurofibromas (PN) not amenable to complete resection [see Clinical Studies (14) ]. GOMEKLI is a kinase inhibitor indicated for the treatment of adult and pediatric patients 2 years of age and older with neurofibromatosis type 1 (NF1) who have symptomatic plexiform neurofibromas (PN) not amenable to complete resection. ( 1 )
What are the side effects of Mirdametinib?▼
6 ADVERSE REACTIONS The following serious adverse reactions are described elsewhere in the labeling: Ocular Toxicity [see Warnings and Precautions (5.1) ] Left Ventricular Dysfunction [see Warnings and Precautions (5.2) ] Dermatologic Adverse Reactions [see Warnings and Precautions (5.3) ] Embryo-Fetal Toxicity [see Warnings and Precautions (5.4) ] Adults: The most common adverse reactions (>25%) were rash, diarrhea, nausea, musculoskeletal pain, vomiting, and fatigue. ( 6.1 ) The most common Grade 3 or 4 laboratory abnormality (>2%) was increased creatine phosphokinase. ( 6.1 ) Pediatric patients: The most common adverse reactions (>25%) were rash, diarrhea, musculoskeletal pain, abdominal pain, vomiting, headache, paronychia, left ventricular dysfunction, and nausea.
Can I take Mirdametinib during pregnancy?▼
8.1 Pregnancy Risk Summary Based on findings from clinical trials, animal studies, and its mechanism of action [see Clinical Pharmacology (12.1) ] , GOMEKLI can cause fetal harm or loss of pregnancy when administered to a pregnant woman. In embryo-fetal development studies, oral administration of mirdametinib to pregnant rats and rabbits during the period of organogenesis caused embryo-fetal mortality, structural abnormalities and alterations to growth at doses that were approximately equivalent to the human clinical dose of 2 mg/m 2 twice daily based on BSA (see Data).
What are the important warnings for Mirdametinib?▼
5 WARNINGS AND PRECAUTIONS Ocular Toxicity : Conduct comprehensive ophthalmic assessments prior to initiating GOMEKLI, at regular intervals during treatment and for new or worsening visual changes or blurred vision. Continue, withhold, reduce the dose, or permanently discontinue GOMEKLI based on severity. ( 5.1 ) Left Ventricular Dysfunction : Assess ejection fraction by echocardiogram prior to initiating GOMEKLI, every 3 months during the first year, then as clinically indicated thereafter. Withhold, reduce the dose, or permanently discontinue GOMEKLI based on severity. ( 5.2 ) Dermatologic Adverse Reactions : Initiate supportive care at first signs of dermatologic adverse reactions including rash. Withhold, reduce the dose, or permanently discontinue GOMEKLI based on severity. 4 CONTRAINDICATIONS None. None. ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.