Key facts about Pralsetinib
What dosages is Pralsetinib available in?
Pralsetinib is available as a 100 mg oral capsule.
What is Pralsetinib used for?
Pralsetinib is an RET kinase inhibitor that is used to treat:
Metastatic NSCLC with RET gene fusion in adults
Advanced or metastatic thyroid cancers with RET mutations, in adults and children 12 years of age or older
How does Pralsetinib work?
Pralsetinib interrupts tumor growth by blocking these abnormal RET proteins from sending the growth signal.
How do I take Pralsetinib?
The typical dose is 400 mg by mouth daily on an empty stomach.
Is it safe for me to take Pralsetinib?
Pralsetinib is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you.
Pralsetinib Common Side Effects
Common side effects of Pralsetinib:
- Lower electrolyte levels (calcium, sodium, magnesium, phosphate)
- Labs suggesting liver or kidney problems
- Muscle, bone, or joint pain
- Constipation
- High blood pressure
- Feeling very tired
- Diarrhea
Pralsetinib Serious Side Effects
Serious side effects are rare with Pralsetinib. Contact your healthcare provider immediately if you experience any of the following.
- Lung inflammation: cough, shortness of breath, fever
- Liver injury: pain in the right side of the stomach, yellowing of the eyes or skin, dark or brown urine
- High blood pressure: headache, dizziness, confusion, chest pain
- Severe bleeding: sudden or painful headache, changes in vision, severe stomach pain, coughing or spitting up blood
- Tumor lysis syndrome: muscle cramps, dark or brown urine, fluttering or pounding heart beat
Effects of other drugs, drug classes and over-the-counter products on Pralsetinib
The following medications may interact with Pralsetinib:
- Strong or moderate CYP3A inhibitors and/or P-gp inhibitors: Avoid coadministration. If coadministration cannot be avoided, reduce the dose of Pralsetinib
- Strong or moderate CYP3A inducers: Avoid coadministration. If coadministration cannot be avoided, increase the dose of Pralsetinib
Who makes Pralsetinib?
Various FDA-approved generic manufacturers
Is Pralsetinib safe in pregnancy?
Pralsetinib can harm your unborn baby. Females who are able to become pregnant: Your healthcare provider will do a pregnancy test before you start treatment with Pralsetinib.
You should use an effective form of non-hormonal birth control (contraception) during treatment and for 2
weeks after your last dose of Pralsetinib. Birth control methods that contain hormones (such as birth control pills, injections or transdermal system patches) may not work as well during treatment with Pralsetinib. Talk to your healthcare provider about birth control methods that may be right for you during this time. Tell your healthcare provider right away if you become pregnant or think you might be pregnant during
treatment with Pralsetinib. Males with female partners who are able to become pregnant: You should use effective birth control (contraception) during treatment and for 1 week after your last dose of Pralsetinib.
