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Sorafenib

Generic name: sorafenib [ sor-a-FEN-ib ]
Brand name: NexAVAR
Dosage form: oral tablet (200 mg)
Drug classes: Multikinase inhibitors, VEGF/VEGFR inhibitors

Medically reviewed by Drugs.com on Jul 3, 2023. Written by Cerner Multum.

What is sorafenib?

Sorafenib is used to treat liver cancer, thyroid cancer, or kidney cancer.

Sorafenib may also be used for purposes not listed in this medication guide.

Sorafenib side effects

Get emergency medical help if you have signs of an allergic reaction (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling).

Get emergency medical help if you have symptoms of a heart attack or heart failure: chest pain, fast heartbeats, sweating, nausea, trouble breathing, feeling light-headed, or swelling around your midsection or in your lower legs.

Sorafenib may cause serious side effects. Call your doctor at once if you have:

Your cancer treatments may be delayed or permanently discontinued if you have certain side effects.

Common side effects of sorafenib may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Warnings

You should not use sorafenib if you have squamous cell lung cancer and you are being treated with carboplatin and paclitaxel.

Sorafenib can cause heart problems. Get emergency medical help if you have: chest pain, fast heartbeats, trouble breathing, or swelling around your midsection or in your lower legs.

Sorafenib can also cause severe bleeding. Call your doctor if you have blood in your urine or stools, abnormal vaginal bleeding, severe stomach pain, cough with bloody mucus, or any bleeding that will not stop.

Before taking this medicine

You should not use sorafenib if you are allergic to it, or if you have squamous cell lung cancer and you are being treated with carboplatin and paclitaxel.

Tell your doctor if you have ever had:

Sorafenib can harm an unborn baby or cause birth defects if the mother or the father is using sorafenib.

Do not breastfeed while using this medicine, and for at least 2 weeks after your last dose.

How should I take sorafenib?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Take sorafenib on an empty stomach, at least 1 hour before or 2 hours after eating.

Your blood pressure will need to be checked often.

If you need surgery, tell the surgeon or dentist ahead of time that you are using sorafenib. You should stop taking this medicine at least 10 days before having surgery. Follow your doctor's instructions about when to start taking the medicine again.

Store at room temperature away from moisture and heat.

Sorafenib dosing information

Usual Adult Dose for Renal Cell Carcinoma:

400 mg orally 2 times a day
Duration of therapy: Until the patient is no longer benefiting from therapy or until unacceptable toxicity occurs

Comments:
-This drug should be taken on an empty stomach, at least 1 hour before or 2 hours after food.
-The tablets should be swallowed with a glass of water.

Uses:
-Hepatocellular Carcinoma (HCC): For patients with unresectable HCC
-Renal Cell Carcinoma (RCC): For patients with advanced RCC
-Differentiated Thyroid Carcinoma (DTC): For patients with locally recurrent or metastatic, progressive, DTC that is refractory to radioactive iodine treatment

Usual Adult Dose for Thyroid Cancer:

400 mg orally 2 times a day
Duration of therapy: Until the patient is no longer benefiting from therapy or until unacceptable toxicity occurs

Comments:
-This drug should be taken on an empty stomach, at least 1 hour before or 2 hours after food.
-The tablets should be swallowed with a glass of water.

Uses:
-Hepatocellular Carcinoma (HCC): For patients with unresectable HCC
-Renal Cell Carcinoma (RCC): For patients with advanced RCC
-Differentiated Thyroid Carcinoma (DTC): For patients with locally recurrent or metastatic, progressive, DTC that is refractory to radioactive iodine treatment

Usual Adult Dose for Hepatocellular Carcinoma:

400 mg orally 2 times a day
Duration of therapy: Until the patient is no longer benefiting from therapy or until unacceptable toxicity occurs

Comments:
-This drug should be taken on an empty stomach, at least 1 hour before or 2 hours after food.
-The tablets should be swallowed with a glass of water.

Uses:
-Hepatocellular Carcinoma (HCC): For patients with unresectable HCC
-Renal Cell Carcinoma (RCC): For patients with advanced RCC
-Differentiated Thyroid Carcinoma (DTC): For patients with locally recurrent or metastatic, progressive, DTC that is refractory to radioactive iodine treatment

What happens if I miss a dose?

Skip the missed dose and use your next dose at the regular time. Do not use two doses at one time.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking sorafenib?

Follow your doctor's instructions about any restrictions on food, beverages, or activity.

What other drugs will affect sorafenib?

Sometimes it is not safe to use certain medications at the same time. Some drugs can affect your blood levels of other drugs you take, which may increase side effects or make the medications less effective.

Other drugs may affect sorafenib, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.

Popular FAQ

Nexavar is an oral cancer drug that is thought to work by blocking certain proteins inside and on the surface of the cancer cell. It also helps to prevent the growth of new blood vessels that help to “feed” the tumor’s growth. It is considered a targeted drug therapy that finds and attacks specific types of cancer cells, not a traditional chemotherapy. Continue reading

Medicare may pay for Nexavar depending on your Part D plan, but you may still be responsible for some of the costs or a copay. You can contact your Medicare Prescription Part D plan or Medicare Advantage Plan and ask them if Nexavar or the generic is on their formulary and your price. Continue reading

In randomized, placebo-controlled studies, Nexavar has been shown to extend overall or progression-free survival as well as shrink or slow tumor progression in some patients. Continue reading

In studies that compared lenvatinib with sorafenib as first-line treatment in patients with inoperable liver cancer, the primary endpoint, overall survival (OS), was found to be non-inferior (13.6 months with lenvatinib vs 12.3 months with sorafenib). Lenvatinib did not show an improvement in overall survival (how long patients lived) when statistically compared to sorafenib. Continue reading

Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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