Insulin glargine

  • Biologic
  • Lantus Solostar

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

Insulin glargine: storage and handling

Refrigerate
Yes, as the label states
Label statement
Store unused LANTUS in a refrigerator between 36°F and 46°F (2°C and 8°C).
Freezing
Do not freeze
Label statement
Do not freeze.
Room temperature
up to 28 days at or below 30°C (86°F)
Label statement
Not in-use (unopened) Not in-use (unopened) In-use (opened) Refrigerated Room Temperature (36°F–46°F [2°C–8°C]) (up to 86°F [30°C]) (see temperature below) 10 mL multiple-dose vial Until expiration date 28 days 28 days Refrigerated or room temperature 3 mL single-patient-use SoloStar prefilled pen Until expiration date 28 days 28 days Room temperature only (Do not refrigerate)
Back into the refrigerator
Not addressed
Light
Not addressed
Shaking
Not addressed

Temperature excursion helper

Answers only from this label's storage statements. It does not judge whether a product is still usable beyond what the label states.

Within the label's stated room-temperature allowance (up to 28 days at up to 30°C (86°F)). Follow the label's instructions for what to do next.

Entered: 1 day at up to 77°F (25°C).

Not in-use (unopened) Not in-use (unopened) In-use (opened) Refrigerated Room Temperature (36°F–46°F [2°C–8°C]) (up to 86°F [30°C]) (see temperature below) 10 mL multiple-dose vial Until expiration date 28 days 28 days Refrigerated or room temperature 3 mL single-patient-use SoloStar prefilled pen Until expiration date 28 days 28 days Room temperature only (Do not refrigerate)
Discard LANTUS if it has been frozen.

If anything else happened to the product, or you are unsure, Contact the manufacturer at 1-800-633-1610 (the number printed on the label) about this product.

Where the label prints this number
Need Help? If you have any questions about your pen or about diabetes, ask your healthcare provider, or go to www.Lantus.com or call sanofi-aventis at 1-800-633-1610.
All storage statements on the label (5)
  • Store unused LANTUS in a refrigerator between 36°F and 46°F (2°C and 8°C).
  • Do not freeze.
  • Discard LANTUS if it has been frozen.
  • Protect LANTUS from direct heat and light.
  • Not in-use (unopened) Not in-use (unopened) In-use (opened) Refrigerated Room Temperature (36°F–46°F [2°C–8°C]) (up to 86°F [30°C]) (see temperature below) 10 mL multiple-dose vial Until expiration date 28 days 28 days Refrigerated or room temperature 3 mL single-patient-use SoloStar prefilled pen Until expiration date 28 days 28 days Room temperature only (Do not refrigerate)

FDA label version 35, effective June 2, 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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Biosimilars

Lantus: 3 licensed biosimilar products, 3 interchangeable (FDA Purple Book). Compare presentations and dates

Medicare Part D coverage

100%of plans list it
0%of those: prior authorization
0%step therapy
18%quantity limit
0%specialty tier

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.