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Interações medicamentosas

Lorlatinib + Secobarbital

Gravidade: Contraindicada

Lorlatinib and Secobarbital: contraindicated interaction.

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Resumo

Secobarbital, a barbiturate, induces CYP3A and may substantially lower lorlatinib exposure. Strong CYP3A inducers have caused hepatotoxicity with lorlatinib and may reduce its antitumor effect.

O que esta interação significa em palavras simples

Lorlatinib and Secobarbital are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

Lorlatinib belongs to Oncology; Secobarbital belongs to Central Nervous System.

Nível de evidência: Moderate

Por que acontece

Barbiturate induction of CYP3A increases lorlatinib clearance and reduces plasma concentrations.

O que fazer

Do not co-administer; use a non-inducing sedative. If an inducer must be stopped, wait about three half-lives before starting lorlatinib.

O que perguntar ao farmacêutico

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

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Perguntas frequentes

Can I take Lorlatinib with Secobarbital?

MediHelp rates the interaction as contraindicated. Lorlatinib and Secobarbital are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Secobarbital, a barbiturate, induces CYP3A and may substantially lower lorlatinib exposure. Strong CYP3A inducers have caused hepatotoxicity with lorlatinib and may reduce its antitumor effect.

How serious is the interaction between Lorlatinib and Secobarbital?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not co-administer; use a non-inducing sedative. If an inducer must be stopped, wait about three half-lives before starting lorlatinib.

What other medicines interact with Secobarbital?

MediHelp also lists interactions of Secobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Secobarbital page.

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