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Can you take Enzalutamide with Repotrectinib?

1 drug interaction and 13 additional warnings found for the following 2 drugs:

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Drug interactions

Major drug interactions

Major:

enzalutamide repotrectinib

Applies to: enzalutamide and repotrectinib

Enzalutamide may significantly reduce the blood levels of repotrectinib, which may make the medication less effective in treating your condition.

Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact.

It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Food/lifestyle interactions

Major food/lifestyle interactions

Major:

repotrectinib Food/Lifestyle

Applies to: repotrectinib

Consumption of grapefruit, grapefruit juice, supplements that contain grapefruit, and Seville oranges should be avoided during treatment with repotrectinib as they may increase the blood levels of repotrectinib.

This may increase the risk and/or severity of side effects such as:

  • dizziness
  • tiredness
  • muscle pain
  • nausea
  • change in your sense of taste
  • feeling numbness or tingling in your arms or legs
  • constipation
  • trouble with balance
  • shortness of breath
  • problems with thinking such as forgetfulness or confusion and hallucinations
  • as well as more serious side effects such as severe or life-threatening inflammation of the lungs and liver injury

Talk to your doctor if you have any questions or concerns. Your doctor may be able to provide alternatives that do not interact.

It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Disease interactions

12 potential interactions Applies to: 11 conditions, including Asthma, COPD, Seizures, Head Injury, and Liver Disease.

Asthma

Moderate:

repotrectinib

Repotrectinib has a moderate potential interaction with Asthma.

Repotrectinib can cause interstitial lung disease (ILD)/pneumonitis. This may be considered in patients with lung or breathing problems other than lung cancer. Patients should be monitored for new/worsening pulmonary symptoms indicative of ILD/pneumonitis and should be advised to contact their health care provider if such symptoms develop.

Brain Tumor

Moderate:

enzalutamide

Enzalutamide has a moderate potential interaction with Brain Tumor.

Seizures occurred in 0.5% of patients receiving enzalutamide in clinical trials. Patients with predisposing factors for seizures were generally excluded. Caution is advised if using in patients with possible predisposing factors such as history of seizures, history of trauma or head injury, cerebrovascular accident or transient ischemic attack, Alzheimer's disease, meningioma or brain tumor or infection, and any unexplained loss of consciousness in the past 12 months. Enzalutamide should be discontinued permanently in any patient who develops a seizure during treatment.

CNS Infection

Moderate:

enzalutamide

Enzalutamide has a moderate potential interaction with CNS Infection.

Seizures occurred in 0.5% of patients receiving enzalutamide in clinical trials. Patients with predisposing factors for seizures were generally excluded. Caution is advised if using in patients with possible predisposing factors such as history of seizures, history of trauma or head injury, cerebrovascular accident or transient ischemic attack, Alzheimer's disease, meningioma or brain tumor or infection, and any unexplained loss of consciousness in the past 12 months. Enzalutamide should be discontinued permanently in any patient who develops a seizure during treatment.

COPD

Moderate:

repotrectinib

Repotrectinib has a moderate potential interaction with COPD.

Repotrectinib can cause interstitial lung disease (ILD)/pneumonitis. This may be considered in patients with lung or breathing problems other than lung cancer. Patients should be monitored for new/worsening pulmonary symptoms indicative of ILD/pneumonitis and should be advised to contact their health care provider if such symptoms develop.

Head Injury

Moderate:

enzalutamide

Enzalutamide has a moderate potential interaction with Head Injury.

Seizures occurred in 0.5% of patients receiving enzalutamide in clinical trials. Patients with predisposing factors for seizures were generally excluded. Caution is advised if using in patients with possible predisposing factors such as history of seizures, history of trauma or head injury, cerebrovascular accident or transient ischemic attack, Alzheimer's disease, meningioma or brain tumor or infection, and any unexplained loss of consciousness in the past 12 months. Enzalutamide should be discontinued permanently in any patient who develops a seizure during treatment.

History - Cerebrovascular Disease

Moderate:

enzalutamide

Enzalutamide has a moderate potential interaction with History - Cerebrovascular Disease.

Seizures occurred in 0.5% of patients receiving enzalutamide in clinical trials. Patients with predisposing factors for seizures were generally excluded. Caution is advised if using in patients with possible predisposing factors such as history of seizures, history of trauma or head injury, cerebrovascular accident or transient ischemic attack, Alzheimer's disease, meningioma or brain tumor or infection, and any unexplained loss of consciousness in the past 12 months. Enzalutamide should be discontinued permanently in any patient who develops a seizure during treatment.

Interstitial Lung Disease

Moderate:

repotrectinib

Repotrectinib has a moderate potential interaction with Interstitial Lung Disease.

Repotrectinib can cause interstitial lung disease (ILD)/pneumonitis. This may be considered in patients with lung or breathing problems other than lung cancer. Patients should be monitored for new/worsening pulmonary symptoms indicative of ILD/pneumonitis and should be advised to contact their health care provider if such symptoms develop.

Liver Disease

Moderate:

repotrectinib

Repotrectinib has a moderate potential interaction with Liver Disease.

Repotrectinib can cause hepatotoxicity; this may be considered in patients with liver problems. The effect of moderate or severe liver dysfunction (total bilirubin greater than 1.5 times the upper limit of normal and any AST) on repotrectinib pharmacokinetics is unknown. The recommended dosage of repotrectinib has not been established in patients with moderate or severe liver dysfunction.

Neurological Disorders

Moderate:

repotrectinib

Repotrectinib has a moderate potential interaction with Neurological Disorders.

Repotrectinib can cause central nervous system (CNS) adverse reactions including dizziness, ataxia, cognitive disorders, mood disorders, and sleep disorders. This may be considered in patients with neurological problems. Patients should be advised to contact their health care provider for new/worsening CNS symptoms.

Renal Dysfunction

Moderate:

enzalutamide

Enzalutamide has a moderate potential interaction with Renal Dysfunction.

Enzalutamide has not been assessed in patients with severe renal impairment or end-stage renal disease. Caution is advised if used on these patients. No initial dosage adjustment is required on patients with mild to moderate renal impairment.

Moderate:

repotrectinib

Repotrectinib has a moderate potential interaction with Renal Dysfunction.

The effect of severe renal dysfunction, kidney failure (estimated GFR less than 30 mL/min), or dialysis on repotrectinib pharmacokinetics is unknown. The recommended dosage of repotrectinib has not been established in patients with severe renal dysfunction or kidney failure or in patients on dialysis.

Seizures

Moderate:

enzalutamide

Enzalutamide has a moderate potential interaction with Seizures.

Seizures occurred in 0.5% of patients receiving enzalutamide in clinical trials. Patients with predisposing factors for seizures were generally excluded. Caution is advised if using in patients with possible predisposing factors such as history of seizures, history of trauma or head injury, cerebrovascular accident or transient ischemic attack, Alzheimer's disease, meningioma or brain tumor or infection, and any unexplained loss of consciousness in the past 12 months. Enzalutamide should be discontinued permanently in any patient who develops a seizure during treatment.

More resources

enzalutamide

A total of 703 drugs are known to interact with enzalutamide.

repotrectinib

A total of 701 drugs are known to interact with repotrectinib.

Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.