About This Drug
Regorafenib is used to treat cancer. It is given orally (by mouth).
Possible Side Effects
- Bone marrow depression. This is a decrease in the number of white blood cells, red blood cells, and platelets. This may raise your risk of infection, make you tired and weak (fatigue), and raise your risk of bleeding.
- Tiredness and weakness
- Hoarse voice
- Soreness of the mouth and throat. You may have red areas, white patches, or sores that hurt.
- Pain in your abdomen
- Loose bowel movements (diarrhea)
- Decreased appetite (decreased hunger)
- Weight loss
- High blood pressure
- Hand-and-foot syndrome. The palms of your hands or soles of your feet may tingle, become numb, painful, swollen, or red.
- Changes in your liver function
- Electrolyte changes
- Increased protein in your urine
- Changes in your pancreas function
Note: Each of the side effects above was reported in 20% or greater of patients treated with regorafenib. Not all possible side effects are included above.
Warnings and Precautions
- Severe infections, including viral, bacterial and fungal, which can be life-threatening
- Changes in your central nervous system can happen. The central nervous system is made up of your brain and spinal cord. You could feel extreme tiredness, agitation, confusion, hallucinations (see or hear things that are not there), have trouble understanding or speaking, loss of control of your bowels or bladder, eyesight changes, numbness or lack of strength to your arms, legs, face, or body, seizures or coma. If you start to have any of these symptoms let your doctor know right away.
- Changes in your heart function and heart attack
- Abnormal bleeding. Symptoms may be coughing up blood, throwing up blood (may look like coffee grounds), red or black tarry bowel movements, abnormally heavy menstrual flow, nosebleeds or any other unusual bleeding.
- Risk of developing a hole in your stomach, small and/or large intestine and/or an abnormal opening in stomach, intestine or esophagus (fistula). Symptoms of a fistula may be: severe abdominal pain or difficulty swallowing.
- Changes in your liver function, which can cause liver failure and be life-threatening
- Severe allergic skin reaction. You may develop blisters on your skin that are filled with fluid or a severe red rash all over your body that may be painful.
- Severe high blood pressure
- Slow wound healing
Note: Some of the side effects above are very rare. If you have concerns and/or questions, please discuss them with your medical team.
- Regorafenib may cause slow wound healing. It should not be given within 14 days of surgery. If you must have emergency surgery or have an accident that results in a wound, tell the doctor that you are on regorafenib.
How to Take Your Medication
- Swallow the medicine whole with water after a low-fat meal (less than 600 calories and less than 30% fat).
- Take this medicine at the same time each day.
- Missed dose: If you miss a dose, take it as soon as you think about it on that day. If you vomit a dose, take your next dose at the regular time, and contact your physician. Do not take 2 doses at the same time and do not double up on the next dose.
- Handling: Wash your hands after handling your medicine, your caretakers should not handle your medicine with bare hands and should wear latex gloves.
- This drug may be present in the saliva, tears, sweat, urine, stool, vomit, semen, and vaginal secretions. Talk to your doctor and/or your nurse about the necessary precautions to take during this time.
- Storage: Store this medicine in the original container at room temperature. Do not remove the desiccant and keep bottle tightly closed after first opening. Discuss with your nurse or your doctor how to dispose of unused medicine. Discard any remaining medicine 7 weeks after opening the bottle.
Treating Side Effects
- Manage tiredness by pacing your activities for the day.
- Be sure to include periods of rest between energy-draining activities.
- To decrease infection, wash your hands regularly.
- Avoid close contact with people who have a cold, the flu, or other infections.
- Take your temperature as your doctor or nurse tells you, and whenever you feel like you may have a fever.
- To help decrease bleeding, use a soft toothbrush. Check with your nurse before using dental floss.
- Be very careful when using knives or tools.
- Use an electric shaver instead of a razor.
- Keeping your pain under control is important to your well-being. Please tell your doctor or nurse if you are experiencing pain.
- Drink plenty of fluids (a minimum of eight glasses per day is recommended).
- Mouth care is very important. Your mouth care should consist of routine, gentle cleaning of your teeth or dentures and rinsing your mouth with a mixture of 1/2 teaspoon of salt in 8 ounces of water or ½ teaspoon of baking soda in 8 ounces of water. This should be done at least after each meal and at bedtime.
- If you have mouth sores, avoid mouthwash that has alcohol. Also avoid alcohol and smoking because they can bother your mouth and throat.
- If you throw up or have loose bowel movements, you should drink more fluids so that you do not become dehydrated (lack water in the body from losing too much fluid).
- If you get diarrhea, eat low-fiber foods that are high in protein and calories and avoid foods that can irritate your digestive tracts or lead to cramping.
- Ask your nurse or doctor about medicine that can lessen or stop your diarrhea.
- To help with nausea and vomiting, eat small, frequent meals instead of three large meals a day. Choose foods and drinks that are at room temperature. Ask your nurse or doctor about other helpful tips and medicine that is available to help or stop lessen these symptoms.
- To help with weight loss, drink fluids that contribute calories (whole milk, juice, soft drinks, sweetened beverages, milkshakes, and nutritional supplements) instead of water.
- Include a source of protein at every meal and snack, such as meat, poultry, fish, dry beans, tofu, eggs, nuts, milk, yogurt, cheese, ice cream, pudding, and nutritional supplements.
- To help with decreased appetite, eat high caloric food such as pudding, ice cream, yogurt and milkshakes.
- If you get a rash do not put anything on it unless your doctor or nurse says you may. Keep the area around the rash clean and dry. Ask your doctor for medicine if your rash bothers you.
- Avoid sun exposure and apply sunscreen routinely when outdoors.
Food and Drug Interactions
- Do not eat grapefruit or drink grapefruit juice while taking this medicine. Grapefruit and grapefruit juice may raise the levels of regorafenib in your body. This could make side effects worse.
- Check with your doctor or pharmacist about all other prescription medicines and over-the-counter medicines and dietary supplements (vitamins, minerals, herbs and others) you are taking before starting this medicine as there are known drug interactions with regorafenib. Also, check with your doctor or pharmacist before starting any new prescription or over-the-counter medicines, or dietary supplements to make sure that there are no interactions.
- Avoid the use of St. John’s Wort while taking regorafenib as this may lower the levels of the drug in your body, which can make it less effective.
When to Call the Doctor
Call your doctor or nurse if you have any of these symptoms and/or any new or unusual symptoms:
- Fever of 100.5 F (38 C) or higher
- Feeling dizzy or lightheaded
- Easy bleeding or bruising
- Confusion and/or agitation
- Trouble understanding or speaking
- Blurry vision or changes in your eyesight
- Numbness or lack of strength to your arms, legs, face, or body
- Fatigue that interferes with your daily activities
- Coughing up blood
- Chest pain or symptoms of a heart attack. Most heart attacks involve pain in the center of the chest that lasts more than a few minutes. The pain may go away and come back or it can be constant. It can feel like pressure, squeezing, fullness, or pain. Sometimes pain is felt in one or both arms, the back, neck, jaw, or stomach. If any of these symptoms last 2 minutes, call 911.
- Nausea that stops you from eating or drinking and/or is not relieved by prescribed medicines
- Throwing up more than 3 times a day
- Severe abdominal pain that does not go away
- Lasting loss of appetite or rapid weight loss of five pounds in a week
- Loose bowel movements (diarrhea) 4 times a day or loose bowel movements with lack of strength or a feeling of being dizzy
- Decreased urine
- Blood in your urine, vomit (bright red or coffee-ground) and/or stools ( bright red, or black/tarry)
- Signs of possible liver problems: dark urine, pale bowel movements, bad stomach pain, feeling very tired and weak, unusual itching, or yellowing of the eyes or skin
- A new rash or a rash that is not relieved by prescribed medicines
- Painful, red, or swollen areas on your hands or feet
- Numbness and/or tingling of your hands and/or feet
- If you think you may be pregnant or may have impregnated your partner
- Pregnancy warning: This drug can have harmful effects on the unborn baby. Women of child bearing potential should use effective methods of birth control during your cancer treatment and for at least 2 months after treatment. Men with female partners of child bearing potential should use effective methods of birth control during your cancer treatment and for at least 2 months after your cancer treatment. Let your doctor know right away if you think you may be pregnant or may have impregnated your partner.
- Breastfeeding warning: Women should not breastfeed during treatment and for 2 weeks after treatment because this drug could enter the breast milk and cause harm to a breastfeeding baby.
- Fertility warning: In men and women both, this drug may affect your ability to have children in the future. Talk with your doctor or nurse if you plan to have children. Ask for information on sperm or egg banking.