Marstacimab
- Biologic
- HYMPAVZI
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
Marstacimab: storage and handling
- Refrigerate
- Yes, as the label states
Label statement
Store refrigerated at 36°F to 46°F (2°C to 8°C) in the original carton to protect from light. .
- Freezing
- Do not freeze
Label statement
Do not freeze. .
- Room temperature
- up to 7 days at or below 30°C (86°F)
Label statement
If needed, HYMPAVZI may be stored one time at room temperature [up to 86°F (30°C)] in its original carton to protect from light for up to 7 days.
- Room temperature
- up to 7 days
Label statement
Once stored at room temperature, do not return to the refrigerator and discard after 7 days. .
- Room temperature
- up to 7 days at or below 30°C (86°F)
Label statement
If needed, HYMPAVZI may be stored one time at room temperature, up to 86°F (30°C) in the original carton for up to 7 days.
- Room temperature
- up to 7 days
Label statement
Throw away (dispose of) HYMPAVZI that has been left out of the refrigerator for more than 7 days. .
- Room temperature
- up to 7 days at or below 30°C (86°F)
Label statement
If needed, HYMPAVZI may be stored one time at room temperature up to 86°F (30°C) in its original carton for up to 7 days.
- Back into the refrigerator
- Not allowed
Label statement
Once stored at room temperature, do not return to the refrigerator and discard after 7 days. .
- Light
- Protect from light
Label statement
Store refrigerated at 36°F to 46°F (2°C to 8°C) in the original carton to protect from light. .
- Shaking
- Do not shake
Label statement
Do not shake.
All storage statements on the label (16)
- Store refrigerated at 36°F to 46°F (2°C to 8°C) in the original carton to protect from light. .
- If needed, HYMPAVZI may be stored one time at room temperature [up to 86°F (30°C)] in its original carton to protect from light for up to 7 days.
- Once stored at room temperature, do not return to the refrigerator and discard after 7 days. .
- Do not freeze. .
- Do not shake.
- Store HYMPAVZI in a refrigerator at 36°F to 46°F (2°C to 8°C). .
- Store HYMPAVZI in the original carton to protect from light. .
- If needed, HYMPAVZI may be stored one time at room temperature, up to 86°F (30°C) in the original carton for up to 7 days.
- Do not return HYMPAVZI to the refrigerator after storing at room temperature. .
- Throw away (dispose of) HYMPAVZI that has been left out of the refrigerator for more than 7 days. .
- Do not freeze HYMPAVZI. .
- Do not shake HYMPAVZI. .
- Do not use past the expiration date (Exp) printed on the HYMPAVZI Prefilled Syringe. .
- How should I store HYMPAVZI? .
- If needed, HYMPAVZI may be stored one time at room temperature up to 86°F (30°C) in its original carton for up to 7 days.
- Do not shake HYMPAVZI.
FDA label version 7, effective June 22, 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
No Part D formulary in the CMS files (2026Q3) lists this drug. It may be covered under Part B or not covered.
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.