CUVITRU: What You Need to Know
Cuvitru (generic name: immune globulin ) is derived from human plasma and it is indicated to protect patients with antibodies insufficiency against infections.
This medicine belongs to the immune globulins drug class. Cuvitru is FDA approved  to be used as a monotherapy or as an adjunct therapy with other medications.
Speak to a Specialist – Cuvitru Copay Assistance
Cuvitru is an immunoglobulin solution that is administered via subcutaneous infusion only. It works by replacing antibodies that are not functioning properly or not present in the human body to help fight off infections. FDA-approved doses are given to increase extremely low blood immunoglobulin levels in the blood to required levels .
What Cuvitru is Indicated for :
- PI (Primary Humoral Immunodeficiency) in adults and pediatric patients 2 years of age and older; basically, people with inborn lack of antibody generation.
- Blood cancer patients with little antibody production and recurring infections when preventative antibiotics can’t be used .
- Bone marrow cancer patients and those who lack antibody production with repeated infections.
- Decreased levels of antibodies following transplantation of bone marrow cells from another patient.
Cuvitru Side Effects
Possible side effects that may occur while taking Cuvitru include:
Allergic Reaction Symptoms
- Red and swollen skin
- Shortness of Breath,
- Chest Tightness,
- Trouble Breathing
- Swelling of Face and Lips
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Symptoms Requiring Urgent Medical Attention:
- Sore Throat
- Abnormal Heart Rate
- Mood Swings
- Speech Abnormalities
- Increased Sweating
- Vision Abnormalities
- Belly Pain
- Dark Urine
- Yellow Skin Or Eyes
- Difficulty Passing Urine
- Blood In Urine
- Frequent Urination
- Weight Gain
Elevated Or Decreased Blood Pressure That May Cause:
- Blurred Vision
Respiratory Infections And Inflammation Such As:
- Asthma Bronchitis
Aseptic Meningitis (May Require Immediate Medical Attention)
- Upset Stomach
- Stiff Neck
- Light Sensitivity
Other possible side effects may occur at the Cuvitru Infusion Sites
Injection Site Reactions:
- Redness of the skin
- Mild Discomfort 
These injection site reaction problems usually don’t require medical attention and go away within a few hours.
“Injection site reactions are less likely to occur after repeated use as the body gets adjusted to the drug.”
Cuvitru has a Black Box Warning due to the possibility of causing blood clots.
Patients are at increased risk of having blood clots if they have one or more of the following risk factors
Blood Clot Risk Factors
- Advanced age
- Sedentary lifestyle
- Hypercoagulable Conditions,
- History of previous Blood Clots,
- Estrogen Use
There may be other factors and patients are encouraged to discuss them with their doctor.
To help prevent/reduce the risk of blood clots, it is recommended by the manufacturer to infuse at the minimum dose and infusion rate possible and monitor the signs and symptoms, while and after the treatment is being infused.
Is administered under the skin (subcutaneously) typically by a trained healthcare professional.
Dosing varies from patient to patient.
What Factors Influence Dosing Calculations?
- Body Weight.
- Blood IgG Levels.
- Medical History.
- Current Conditions.
- Clinical Response To The Treatment.
Based on the previous factors, the patient (a child or adult) may be prescribed a loading dose of at least 1.0-2.5 ml/kg of body weight divided over a few consecutive days .
Following this, patients will start to receive Cuvitru at regular intervals from daily to once every two weeks.
Following the starting or loading dose, the total monthly dose will be between 1.5-5.0 ml/kg of bodyweight.
The doctor may adjust the dose over time to achieve the desired clinical response and serum IgG levels.
For patients who are switching from another IVIG brand, the Cuvitru dose will be based on the previous IVIG dose and adjusted based on the number and frequency of infusion.
“It is not recommended to make changes to the dose or dosing interval without talking to the doctor”
In case of missing a dose, it is important to speak to the doctor as early as possible and get a new dosing schedule. Doubling the dose to catch up must be avoided.
Home Infusion Available
Cuvitru is Used to Treat:
- Patients with Primary Immunodeficiency Diseases (PI).
- Secondary Humoral Immunodeficiency Diseases ().
- Chronic Immune Thrombocytopenic Purpura.
- Idiopathic Thrombocytopenic Purpura (ITP).
In addition, Cuvitru is used to boost muscle strength in patients with multifocal motor neuropathy (MMN) and treat chronic inflammatory demyelinating polyneuropathy (CIDP) in which the immune system attacks the nerves and causes muscle weakness.
The cost of Cuvitru treatment varies depending on various factors, such as
- The Insurance Provider
- The Prescribed Dosage
- Dispensing Pharmacy
This medication is supplied in single-dose glass vials that typically contain 5ml, 10ml, 20ml, 40ml, and 50ml protein per vial.
The base cost displayed on different pharmacies’ websites is set by Cuvitru manufacturer, Takeda Pharmaceutical, exclusive of shipping costs and any local tax.
Depending on the dispensing pharmacy, Cuvitru price is nearly $210 (almost $42 per unit) for a supply of 5ml, making a total of around $2,100 for 50ml 
Pharmaceutical companies generally sponsor different Patient Assistance Programs (PAPs) to offer free or discounted medicines to people who otherwise cannot pay for their medications.
Cuvitru Takeda’s OnePath Co-Pay Assistance Program is one of them. It provides dedicated support to patients who have been prescribed Cuvitru  . To enroll in this program, patients must be commercially insured.
This program covers certain out-of-pocket treatment costs and assists with navigating the health insurance process. In-house training from trained staff and education and support services can also be availed.
What’s more, HelloCUVITRU is a free trial program that covers the entire cost of the first 4 infusions of Cuvitru, together with supplies required for administration .
To be eligible for this program, a patient must be of 2 years of age or older, who was not previously enrolled in this program and is currently not using Cuvitru.
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|||“OnePath Support for CUVITRU,” CUVITRU, [Online]. Available: https://www.cuvitru.com/support-and-resources/onepath.|
|||“HelloCUVITRU Free Trial Program,” Cuvitru, [Online]. Available: https://www.cuvitru.com/support-and-resources/hello-cuvitru.|
Dr. Christine Leduc, Pharm. D. was born and raised in Irvine, CA. She attended college at Midwestern University, where she graduated cum laude. The most rewarding part of her job is suggesting lifestyle changes, educating patients on how their medication works, and precepting future Pharmacists. She is currently precepting students from Marshall B. Ketchum University, University of Kansas, and Midwestern University. In her free time, she enjoys traveling, baking, and gardening.