Roctavian
Pronunciation: rok-TAY-vee-in
Generic name: valoctocogene roxaparvovec-rvox
Dosage form: injection for infusion
Drug class: Miscellaneous coagulation modifiers
What is Roctavian?
Roctavian (valoctocogene roxaparvovec-rvox) is a single-dose gene therapy infusion that may be used to treat adults with severe hemophilia A who have had a blood test to determine they do not have antibodies to a particular adenovirus serotype, AAV5.
Roctavian uses a modified virus, called a vector, to deliver a working copy of the factor VIII gene to liver cells to enable the body to produce clotting factor on its own, which helps the blood to clot and prevents or reduces the occurrence of bleeding. The modified virus does not contain viral DNA and does not cause disease in humans.
Roctavian was FDA approved on June 29, 2023.
Warning
Do not take Roctavian if you:
- have an active infection or if you have a long-term infection that is not controlled by the medicines you take
- have scarring of the liver (significant liver fibrosis or cirrhosis)
- are allergic to mannitol (an inactive ingredient in Roctavian).
May cause infusion-related reactions, including hypersensitivity reactions and anaphylaxis. You will need to be monitored for at least 3 hours after Roctavian administration. If you develop symptoms your doctor will slow or interrupt administration and give appropriate treatment, and restart at a slower rate once symptoms resolve. The infusion will be discontinued if anaphylaxis occurs.
Your doctor will monitor your liver function, specifically alanine aminotransferase (ALT) weekly for at least 26 weeks and institute corticosteroid treatment in response to ALT elevations as required. Continue to monitor ALT until it returns to baseline. Factor VIII activity levels and other laboratory values will also be monitored since ALT elevation may be accompanied by a decrease in factor VIII activity.
Thromboembolic events may occur with elevated factor VIII activity above the upper limit of normal (ULN), which has been reported following Roctavian infusion. People with risk factors for thrombosis including cardiovascular risk factors are more at risk.
Annual liver ultrasound is important in people with risk factors for liver cancer such as hepatitis B or C, non-alcoholic fatty liver disease, chronic alcohol consumption, non-alcoholic steatohepatitis, and advanced age). Alpha-fetoprotein testing will be performed following administration.
Before taking this medicine
You should not receive Roctavian if you are allergic to mannitol or any of the other ingredients in the infusion.
Make sure all your vaccinations are up to date before receiving Roctavian.
To make sure Roctavian is safe for you, tell your doctor if you have:
- any general risk factors for unwanted blood clots and cardiovascular disease, such as oral contraceptive use, history of deep vein thrombosis (DVT), high blood pressure or cholesterol, are overweight
- HIV infection
- lowered immunity
- inhibitors or a history of inhibitors to factor VIII
- a female partner that plans to become pregnant within 6 months of treatment. The vector DNA is detectable for at least 182 days post-administration.
Roctavian is not intended for administration in women.
There are no data on the use of Roctavian in pregnant or breastfeeding women.
How is Roctavian administered?
Roctavian is administered as a single, one-time infusion that is given into a vein in a medical facility by a healthcare professional.
- The recommended dosage is 6 x 1013 vector genomes per kilogram of body weight. For example, a 70kg person should receive 210mL of Roctavian which equates to 27 vials (each vial contains 16 × 1013 vg in 8mL). Round up to the nearest vial.
- The infusion will take 2 to 5 hours or longer depending on your weight and how you respond to the infusion.
- During and after the infusion, you will be monitored for any possible side effects. Your healthcare provider will determine when you can go home (usually later the same day).
- It is not yet known if Roctavian or other gene therapy treatments can be repeated.
After treatment with Roctavian, you will be asked to enroll in a 15-year registry to help study the long-term safety of the treatment and how well it continues to work.
While the majority of patients experience a benefit from Roctavian, the response to treatment can vary and some people do not experience a benefit. Your doctor will monitor your lab tests and talk to you about whether you can stop prophylaxis, whether you should start prophylaxis again, and whether and how you should treat any surgeries, procedures, injuries, or bleeds.
Related/similar drugs
tranexamic acid, desmopressin, Cyklokapron, DDAVP, Humate-P, Hemlibra
What should I avoid after taking Roctavian?
Avoid drinking alcohol for the first year. Talk to your doctor about how much alcohol may be acceptable after the first year.
You and any female partner should not become pregnant for 6 months and should use a reliable method of contraception during this time.
Do not donate semen for at least 6 months after treatment.
Do not donate blood, organs, tissues, or cells.
Avoid live vaccinations.
Roctavian side effects
Your doctor will provide emergency medical help if you have signs of an allergic reaction to Roctavian such as hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Serious side effects of Roctavian include:
- Hepatotoxicity
- Serious infusion-related reactions
- Thromboembolic events.
The most common side effects of ROCTAVIAN are:
- Abdominal pain
- Fatigue
- Headache
- Infusion-related reactions
- Nausea
- Vomiting.
Changes to laboratory results have also been reported – some of these are consistent with how Roctavian works in your body.
These are not all the possible side effects of ROCTAVIAN. Talk to your doctor for medical advice about side effects. You may report side effects to BioMarin Pharmaceutical Inc. at 1-866-906-6100 or FDA at 1-800-FDA-1088.
What other drugs will affect Roctavian?
No interaction studies have been performed with Roctavian. Before administration, review all existing medications to see if they should be modified to prevent anticipated interactions, including their effect on liver function and clotting risk. The following medications are not recommended with Roctavian:
- efavirenz
- isotretinoin
- live vaccines.
Agents that reduce or increase the plasma concentration of corticosteroids (such as those that induce cytochrome P450 3A4 can decrease the efficacy of the corticosteroid regimen used with Roctavian or increase their side effects.
When a new medication is started, close monitoring of liver function tests and factor VIII activity is recommended (such as weekly to every 2 weeks for the first month) to assess potential effects on both levels.
Not all possible interactions are listed here. Tell your doctor about all your current medicines and any medicine you start or stop using or intend to use, including prescription and nonprescription drugs, vitamins, herbal supplements, and vaccines.
Storage
Must be stored and transported frozen at ≤ -60°C (-76°F) and kept upright in original carton, protected from light, until use.
Before use, thaw at room temperature, up to 25°C (77°F). After thawing, Roctavian can be kept at room temperature for a maximum of 10 hours, including preparation and infusion times. If necessary, an intact vial (stopper not yet punctured) that has been thawed can be stored refrigerated (2°C to 8°C) for up to 3 days, upright and protected from light in the original carton.
Do not expose to the light of an ultraviolet radiation disinfection lamp.
Once thawed, do not refreeze.
If Roctavian accidentally spills, use a virucidal agent with proven activity against non-enveloped viruses to mop up the spill and blot using absorbent materials. Dispose of unused product, and disposable materials that may have come in contact with Roctavian following local guidance for pharmaceutical waste.
Ingredients
Active ingredient: valoctocogene roxaparvovec-rvox (nominal concentration of 2 × 1013 vg valoctocogene roxaparvovec-rvox per mL, each vial contains an extractable volume of not less than 8 mL [16 × 1013 vg]).
Inactive ingredients: mannitol, poloxamer 188, sodium chloride, sodium phosphate monobasic dihydrate, sodium phosphate dibasic dodecahydrate, and water for injection.
Manufacturer
BioMarin Pharmaceutical Inc.
Roctavian Biosimilars
Biosimilar and interchangeable products are biological products that are highly similar to and have no clinically meaningful differences from the reference product.
Reference products
These are biological products that have already been approved by the FDA, against which biosimilar products are compared. There is 1 for Roctavian.
Roctavian (valoctocogene roxaparvovec-rvox) - Biomarin Pharmaceutical Inc.
Formulation type | Strength |
---|---|
Single-Dose Vial | 16 X 10 E13 GENOMES PER mL |
References
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