Casirivimab+Imdevimab
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Molecule Summary
| Uses | Covid 19 Disease in High Risk Patients |
| Therapy | Antiviral |
| Side Effects | Injection Site Swelling, Pain and Buising, Allergic Reaction |
Assurance
available
Regulated
Molecule Description
Casirivimab and imdevimab is a combination of two monoclonal antibodies. It is used for the treatment of confirmed cases of mild to moderate COVID-19 disease in individuals over 12 years of age (weighing at least 40 kg) who are at high risk of developing severe COVID-19 disease and do not require oxygen. High risk is defined as patients over 60 years of age, obesity, existing heart, lung, kidney and liver condition, diabetes, asthma, cancer, HIV, immunocompromised state, someone who has undergone organ transplant and are on medicine that can weaken/suppress the immune system. The use of this medicine should be based on the treating physician's discretion after careful assessment of the condition for an individual patient. This comes as an injection that is given/administered by a healthcare professional either via the intravenous route (takes about 20 to 30 minutes) or subcutaneous route at four different sites on the abdomen or thigh.
Uses
For the treatment of confirmed cases of mild to moderate coronavirus disease in patients over 12 years of age (weighing at least 40 kg) who are at risk of developing serious COVID-19 disease.
Contraindications
When should one not use Casirivimab+Imdevimab
- You are hospitalised due to COVID-19 disease and are on oxygen support due to COVID-19 disease.
- Individuals requiring an increase in baseline oxygen flow rate due to COVID-19 who are already on oxygen support due to non-COVID-19 related comorbidity.
Side effects
Common side effects of this drug are:
- There is limited information available about the side effects of this medicine. Injection site reaction like pain, swelling can occur.
- Inform your doctor if you experience fever, chills, nausea, stomach upset, uneven heart rhythm, weakness, confusion, dizziness, chest pain, breathlessness, swelling of lips, face, rash after the infusion.
Precautions and Warnings
Pregnancy
Breast Feeding
Driving
Alcohol
Other General Warnings
Talk to your doctor if
- You experience allergic reactions after taking this injection or have any allergy.
- You are pregnant or breastfeeding.
- You have any serious medical condition.
- You are taking any prescription medicine, supplement or herbals.
- Your symptoms worsen and you experience difficulty in breathing, fever, uneven heart rate, fatigue and altered mental status.
- This injection should not be used for the treatment of patients who are hospitalized due to COVID-19 disease and are on oxygen support.
Mode of Action
How Does It Work?
This injection contains an antibody cocktail (combination) of two antibodies. Monoclonal antibodies are laboratory-made proteins that imitate the immune system’s ability to fight off harmful pathogens such as viruses. Casirivimab and imdevimab are monoclonal antibodies that work by blocking the attachment of the virus and its entry into human cells.
Interactions
Interactions with other medicines
Tell your doctor about all the medicines, supplements or herbals you are currently taking or might take to avoid any possible interaction.
Frequently Asked Questions (FAQs)
Articles
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References:
- Roche’s Antibody Cocktail (Casirivimab and Imdevimab) is now available in India, Cipla to market it pan-India | Cipla [Internet]. Cipla.com. 2021 [cited 9 June 2026]
- Casirivimab with Imdevimab [Internet]. Regeneron.com. 2021 [cited 9 June 2026]
- FACT SHEET FOR HEALTH CARE PROVIDERS EMERGENCY USE AUTHORIZATION (EUA) OF REGEN-COVTM (casirivimab with imdevimab) [Internet]. Regeneron.com. 2021 [cited 9 June 2026]
- Roche receives Emergency Use Authorisation in India for its investigational Antibody Cocktail (Casirivimab and Imdevimab) used in the treatment of Covid-19 | Cipla [Internet]. Cipla.com. 2021 [cited 9 June 2026]
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