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Imfinzi (Durvalumab)

Prescription requiredOnly Available By Prescription
What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.


Imfinzi (Durvalumab) is a breakthrough immunotherapy medication primarily used in the treatment of certain types of cancer, including urothelial carcinoma and non-small cell lung cancer. As a monoclonal antibody, Imfinzi targets the PD-L1 protein found on the surface of many cancer cells, effectively helping the immune system recognize and destroy these cells. This form of therapy is an integral part of managing advanced or metastatic cancers, particularly those resistant to traditional treatments.

Before you buy Imfinzi, it is crucial that you talk to your healthcare provider about potential side effects and Imfinzi price.

Fact Table
Formula C6444H9976N1720O2014S42
License FDA approved
Bioavailability 85.5% (subcutaneous)
Legal status Prescription Only Medicine
Chemical Name Durvalumab
Elimination half-life 18 days
Dosage (Strength) 500 mg/10 mL (50 mg/mL)
Pregnancy Contraindicated
Brands Imfinzi
Protein binding N/A (monoclonal antibody)
PubChem CID 121077298
MedlinePlus a617035
ChEBI 133374
ATC code L01XC28
DrugBank DB11714
KEGG D10849
Routes of administration Intravenous

Buy Imfinzi (Durvalumab) online from online Canadian Pharmacy |


Consult with your oncologist before starting Imfinzi to ensure it is appropriate for your condition.

Imfinzi is administered as an intravenous infusion. Typically, the Imfinzi dosing is given once every two weeks. The infusion process usually takes approximately one hour. Regular follow-ups with your healthcare provider are crucial to monitor your response to the treatment and adjust the treatment plan as needed.


Active Ingredient: Durvalumab


Inform your doctor if you have had allergic reactions to durvalumab or any of the ingredients in Imfinzi.

Patients with pre-existing autoimmune diseases or those on immunosuppressive therapy may experience worsening symptoms.

As Imfinzi affects the immune system, there may be an increased risk of infections, including potentially serious infections.

Imfinzi can harm an unborn baby. Women of reproductive potential should use effective contraception during treatment and for a period after the last dose. It is not recommended for use while breastfeeding.


Imfinzi can interact with other medications, which can alter how it works or increase the risk of serious side effects. Some of them include immunosuppressants, vaccines and other cancer treatments. Always inform your healthcare provider about all the medications you are taking, including over-the-counter drugs and herbal supplements.

Side Effects

Common side effects of Imfinzi include fatigue, nausea, constipation, diarrhea, decreased appetite, rash, and fever.

Frequently Asked Questions about Imfinzi (Durvalumab)

What is Imfinzi?

Imfinzi, also known as durvalumab, is an immunotherapy drug used to treat certain types of cancer.

What is Imfinzi used for?

Imfinzi is used to treat certain types of lung cancer (NSCLC and SCLC), biliary tract cancer, gallbladder cancer, and unresectable hepatocellular carcinoma.

How does Imfinzi work?

Imfinzi works by helping your immune system to find and attack cancer cells.

Can Imfinzi cure cancer?

Imfinzi can treat certain cancers by working with your immune system, but whether it can cure cancer depends on various factors including the type and stage of cancer.

How long does Imfinzi stay in your system?

Imfinzi can stay in your system for about 3 months following your last dose.

Is Imfinzi chemotherapy?

No, Imfinzi is not a chemotherapy drug. It is an immunotherapy.

Does Imfinzi cause hair loss?

Yes, hair loss may occur with Imfinzi treatment.

How effective is Imfinzi?

The effectiveness of Imfinzi depends on the type and stage of cancer being treated. It has been found to be effective in treating certain types of lung cancer.

How is Imfinzi administered?

Imfinzi is given as an infusion into a vein, usually once every 2, 3 or 4 weeks.

IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.