Rilonacept
- Part D specialty tier in 78% of formularies (2026Q3)
- Biologic
- Arcalyst
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
Rilonacept: storage and handling
- Refrigerate
- Yes, as the label states
Label statement
Store refrigerated at 2°C to 8°C (36°F to 46°F) in the original carton to protect from light.
- Freezing
- Not addressed
- Room temperature
- up to 3 hours
Label statement
ARCALYST may be kept at room temperature after mixing with Sterile Water for Injection, USP, and should be used within 3 hours of mixing.
- Back into the refrigerator
- Not addressed
- Light
- Protect from light
Label statement
Store refrigerated at 2°C to 8°C (36°F to 46°F) in the original carton to protect from light.
- Shaking
- Not addressed
All storage statements on the label (6)
- Store refrigerated at 2°C to 8°C (36°F to 46°F) in the original carton to protect from light.
- After reconstitution, ARCALYST may be kept at room temperature, protected from light [see Dosage and Administration (2.5) ].
- Keep ARCALYST in the carton it comes in to protect from light.
- Store ARCALYST in the refrigerator from 36°F to 46°F (2°C to 8°C).
- Refrigerated ARCALYST can be used until the expiration date printed on the vial and carton.
- ARCALYST may be kept at room temperature after mixing with Sterile Water for Injection, USP, and should be used within 3 hours of mixing.
FDA label version 16, effective December 16, 2025. 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.