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Gomekli Side Effects

Generic name: mirdametinib

Note: This document provides detailed information about Gomekli Side Effects associated with mirdametinib. Some dosage forms listed on this page may not apply specifically to the brand name Gomekli.

Applies to mirdametinib: oral capsule, oral tablet dispersible.

Important warnings This medicine can cause some serious health issues

Use only as directed.

Tell your doctor if you use other medicines or have other medical conditions or allergies.

Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

Common side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

For healthcare professionals

Applies to mirdametinib: oral capsule, oral tablet dispersible.

General adverse events

The most common adverse reactions in adults (greater than 25%) reported in clinical trials were rash, diarrhea, nausea, musculoskeletal pain, vomiting, and fatigue. The most common grade 3 or 4 laboratory abnormality (greater than 2%) was increased creatine phosphokinase. In pediatric patients it was rash, diarrhea, musculoskeletal pain, abdominal pain, vomiting, headache, paronychia, left ventricular dysfunction, and nausea. The most common grade 3 or 4 laboratory abnormalities (greater than 2%) were decreased neutrophil count and increased creatine phosphokinase.

The percentages reported for all adverse events are for the all-grades total of the specific event.[Ref]

Cardiovascular

Dermatologic

Rash included dermatitis acneiform, eczema, maculo-papular rash, pustular rash, dermatitis, erythematous rash, palmar-plantar erythrodysesthesia syndrome, exfoliative rash, skin exfoliation, pruritic rash, papule, papular rash, and macular rash.[Ref]

Gastrointestinal

Genitourinary

Hematologic

Hepatic

Metabolic

Musculoskeletal

Musculoskeletal pain includes non-cardiac chest pain, back pain, pain in extremity, neck pain, musculoskeletal chest pain, myalgia, arthralgia, and bone pain.[Ref]

Nervous system

Peripheral neuropathy includes paresthesia, hypoesthesia, neuralgia, peripheral sensory neuropathy.[Ref]

Ocular

Oncologic

Other

Renal

Respiratory

References

1. (2025) "Product Information. Gomekli (mirdametinib)." SpringWorks Therapeutics, Inc.

Further information

Gomekli side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.