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Ropeginterferon Alfa-2b Side Effects

Medically reviewed by Drugs.com. Last updated on Aug 1, 2024.

Applies to ropeginterferon alfa-2b: subcutaneous solution.

Important warnings This medicine can cause some serious health issues

Subcutaneous route (solution)

Risk of Serious Disorders. Interferon alfa products may cause or aggravate fatal or life-threatening neuropsychiatric, autoimmune, ischemic, and infectious disorders.

Patients should be monitored closely with periodic clinical and laboratory evaluations.

Therapy should be withdrawn in patients with persistently severe or worsening signs or symptoms of these conditions.

In many, but not all cases, these disorders resolve after stopping therapy.

Precautions

It is very important that your doctor check your progress at regular visits to make sure that this medicine is working properly. Blood and urine tests may be needed to check for unwanted effects.

If you are a woman who can get pregnant, your doctor may do tests to make sure you are not pregnant before starting this medicine. Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant during treatment with this medicine and for at least 8 weeks after the last dose. If you think you have become pregnant while using this medicine, tell your doctor right away.

This medicine may cause some people to be anxious, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies or to become more depressed. If you or your caregiver notice any of these side effects, tell your doctor right away.

Check with your doctor right away if you have blurred vision, chest pain, confusion, lightheadedness, dizziness, or fainting, fast or irregular heartbeat, sudden fainting, trouble breathing, or unusual tiredness or weakness. These may be symptoms of serious heart problems.

This medicine may lower the number of white blood cells in the blood. This will increase your chance of getting an infection. It can also lower the number of platelets in the blood. Platelets are necessary for proper blood clotting. If this occurs, there are certain precautions you can take, especially when your blood count is low, to reduce the risk of infection or bleeding:

This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Call your doctor right away if you have a rash, itching, trouble breathing, trouble swallowing, or any swelling of your hands, face, or mouth while you are using this medicine.

Pancreatitis (swelling of the pancreas) may occur while using this medicine. Check with your doctor right away if you have bloating, sudden and severe stomach pain, chills, constipation, nausea, pains in stomach, side, or abdomen, possibly radiating to the back, vomiting, fever, or lightheadedness, or yellow eyes or skin.

This medicine may cause diarrhea, and in some cases it can be severe. It may occur 12 weeks or more after you start using this medicine. Do not take any medicine to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer. If you have any questions about this or if mild diarrhea continues, or gets worse, check with your doctor.

Tell your doctor right away if you have a cough, trouble breathing, chest tightness, or any type of breathing problem with this medicine. These could be symptoms of a serious lung problem.

Check with your doctor right away if blurred vision, difficulty with reading, or any other change in vision occurs during or after treatment. Your doctor may want your eyes be checked by an ophthalmologist (eye doctor).

This medicine may increase the amount of cholesterol and fats in your blood. If this condition occurs, your doctor may give you some medicines that can lower the amount of cholesterol and fats in the blood.

Check with your doctor right away if you have pain or tenderness in the upper stomach, pale stools, dark urine, loss of appetite, nausea, vomiting, or yellow eyes or skin. These could be symptoms of a serious liver problem.

This medicine may cause tooth and gum problems, which can lead to tooth loss. It may also cause dry mouth, which may cause teeth or mouth problems, if you take this medicine for a lone time. Brush your teeth well (2 times a day) and have regular visits to your dentist during treatment with this medicine.

Check with your doctor right away if you have bloody urine, a decrease in frequency or amount of urine, an increase in blood pressure, increased thirst, loss of appetite, lower back or side pain, nausea, swelling of the face, fingers, or lower legs, trouble breathing, unusual tiredness or weakness, vomiting, or weight gain. These could be symptoms of a serious kidney problem.

Serious skin reactions can occur with this medicine. Check with your doctor right away if you have blistering, peeling, or loosening of the skin, red skin lesions, severe acne or a skin rash, sores or ulcers on the skin, or fever or chills with this medicine.

This medicine may cause dizziness, drowsiness, or seeing, hearing, or feeling things that are not there. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

This medicine may affect your menstrual cycles. Talk with your doctor if you have any concerns about this.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.

Serious side effects

Along with its needed effects, ropeginterferon alfa-2b may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking ropeginterferon alfa-2b:

More common side effects

  • black, tarry stools
  • bladder pain
  • bleeding gyms
  • blindness
  • blood in the urine or stools
  • blurred vision
  • bone pain
  • chest pain
  • chills
  • cough
  • decreased vision
  • diarrhea
  • discouragement
  • dizziness
  • dry eyes
  • ear congestion
  • feeling sad or empty
  • fever
  • frequent urge to urinate
  • general feeling of discomfort or illness
  • headache
  • itching skin
  • joint pain
  • loss of appetite
  • loss of interest or pleasure
  • loss of voice
  • loss or thinning of the hair
  • lower back or side pain
  • muscle aches and pains
  • nausea
  • nervousness
  • painful or difficult urination
  • pale skin
  • pinpoint red spots on the skin
  • pounding in the ears
  • shivering
  • slow or fast heartbeat
  • sneezing
  • sore throat
  • sores, ulcers, or white spots on the lips or in the mouth
  • stuffy or runny nose
  • sweating
  • swelling
  • swollen glands
  • trouble breathing
  • trouble concentrating
  • trouble sleeping
  • unusual bleeding or bruising
  • unusual tiredness or weakness
  • vomiting

Less common side effects

  • bloating
  • constipation
  • darkened urine
  • dry skin and hair
  • fainting
  • feeling cold
  • hoarseness or husky voice
  • indigestion
  • muscle cramps and stiffness
  • pains in the stomach, side, or abdomen, possibly radiating to the back
  • sensitivity to heat
  • weight gain or loss
  • yellow eyes or skin

Rare side effects

  • agitation
  • coma
  • confusion
  • decreased urine output
  • irritability
  • lethargy
  • muscle twitching
  • seizures
  • stupor
  • swelling of the face, ankles, or hands

Incidence not known

  • change in vision
  • chest tightness
  • difficulty swallowing
  • dry mouth
  • hives, itching, skin rash
  • large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  • noisy breathing
  • puffiness or swelling of the eyelids or around the eyes, face, lips or tongue
  • seeing flashes or sparks of light
  • seeing floating spots before the eyes, or a veil or curtain appearing across part of vision
  • tooth loss

Other side effects

Some side effects of ropeginterferon alfa-2b may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common side effects

  • difficulty in moving
  • feeling of constant movement of self or surroundings
  • increased sweating
  • lack or loss of strength
  • muscle spasm or stiffness
  • pain in the joints
  • red streaks on the skin
  • sensation of spinning
  • swelling, tenderness, or pain at the injection site

For healthcare professionals

Applies to ropeginterferon alfa-2b: subcutaneous solution.

General adverse events

The more commonly reported adverse reactions have included leukopenia, thrombocytopenia, influenza-like illness, arthralgia, fatigue, pruritus, nasopharyngitis, and musculoskeletal pain.[Ref]

Hematologic

Psychiatric

In the clinical development program (n=178), depression, depressive symptoms, depressed mood, and listlessness occurred in 17 patients; 3.4% of the patients recovered with temporary drug interruption and 2.8% stopped treatment.

Endocrine

In the clinical development program, Hyperthyroidism was reported in 8 patients (4.5%), hypothyroidism in 7 patients (3.9%), and autoimmune thyroiditis/thyroiditis occurred in 5 patients (2.8%).

Cardiovascular

Gastrointestinal

Respiratory

Immunologic

Musculoskeletal

Ocular

Hepatic

Metabolic

Dermatologic

Genitourinary

Hypersensitivity

Nervous system

Local

Renal

In clinical trials, less than 1% of patients experienced renal impairment or toxic nephropathy.

See also:

References

1. (2021) "Product Information. BESREMi (ropeginterferon alfa-2b)." PharmaEssentia USA Corp

Further information

Ropeginterferon alfa-2b side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.