Sibeprenlimab
- Part D specialty tier in 73% of formularies (2026Q3)
- Biologic
- VOYXACT
Therapy management checklist
Screening, baseline and ongoing monitoring with the label's stated frequency, hold and discontinue criteria, and counseling points, each quoted from the FDA label.
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Storage and cold chain
Sibeprenlimab: storage and handling
- Refrigerate
- Yes, as the label states
Label statement
Store VOYXACT in a refrigerator at 36°F to 46°F (2°C to 8°C).
- Freezing
- Do not freeze
Label statement
Do not freeze.
- Room temperature
- up to 7 days
Label statement
Do not use VOYXACT if it has been at room temperature for 7 days or longer.
- Room temperature
- at or below 25°C (77°F)
Label statement
Let the VOYXACT prefilled syringe come to room temperature up to 77°F (25°C) for 15 to 30 minutes before giving an injection.
- Room temperature
- up to 7 days
Label statement
Do not use the VOYXACT prefilled syringe if it has been at room temperature for 7 days or longer.
- Room temperature
- at or below 25°C (77°F)
Label statement
Let the VOYXACT prefilled syringe come to room temperature up to 77°F (25°C) for 15 to 30 minutes before giving the injection.
- Back into the refrigerator
- Not allowed
Label statement
Once VOYXACT prefilled syringe has reached room temperature, do not return it to the refrigerator.
- Light
- Not addressed
- Shaking
- Do not shake
Label statement
Do not shake.
All storage statements on the label (17)
- Store VOYXACT in a refrigerator at 36°F to 46°F (2°C to 8°C).
- Do not freeze.
- Do not shake.
- Do not expose to heat or direct sunlight.
- Once VOYXACT prefilled syringe has reached room temperature, do not return it to the refrigerator.
- Do not use VOYXACT if it has been at room temperature for 7 days or longer.
- Storing VOYXACT Prefilled Syringe Store your VOYXACT prefilled syringe in a refrigerator between 36°F to 46°F (2°C to 8°C).
- Let the VOYXACT prefilled syringe come to room temperature up to 77°F (25°C) for 15 to 30 minutes before giving an injection.
- When the VOYXACT prefilled syringe has reached room temperature, do not put it back in the refrigerator.
- Do not use the VOYXACT prefilled syringe if it has been at room temperature for 7 days or longer.
- Do not freeze the VOYXACT prefilled syringe.
- Do not shake the VOYXACT prefilled syringe.
- Keep the VOYXACT prefilled syringe away from heat and direct sunlight.
- Your VOYXACT Single-Dose Prefilled Syringe Getting Your Supplies Ready Step 1: Remove the VOYXACT prefilled syringe box from the refrigerator Take the box containing VOYXACT prefilled syringe out of the refrigerator and check the expiration date (EXP) on the side of the box.
- Store VOYXACT in the refrigerator between 36°F to 46°F (2°C to 8°C).
- Let the VOYXACT prefilled syringe come to room temperature up to 77°F (25°C) for 15 to 30 minutes before giving the injection.
- Do not use past the expiration date printed on the box.
FDA label version 3, effective March 17, 2026. DailyMed
Dosing and titration calendar
Built only from the schedules the label states (loading, titration, day schedules, cycles and weight bands). Steps the label states in words the calendar cannot place are shown, not guessed.
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Medicare Part D coverage
5,496 Part D plans, CMS formulary files 2026Q3. Look up tier, PA, step therapy and quantity limits by plan
Patient assistance
No manufacturer program page is listed for this drug yet.
Independent foundations and the full directory (checked 2026-11-06). Eligibility and amounts are set by each program; open its page for them.
For licensed clinicians. Use with clinical judgment. Statements are quoted from the FDA label; confirm against the label for the product you are using.