Insulin Aspart

Drug Usage Statistics, United States, 2013 - 2020

Insulin Aspart Summary for 2020

Top drug rank #80 ( 5)
Estimated number of prescriptions in the United States (2020) 9,124,642
Estimated number of patients in the United States (2020) 1,929,132
Average total drug cost (USD)  
Per prescription $876.80
Per day of therapy $17.83/day
Average out-of-pocket cost (USD)  
Per prescription $48.48
Per day of therapy $0.78/day

Total Prescriptions and Patients Per Year (2013 - 2020)

Rank of Top Drugs Over Time

"Rank" refers to the frequency that a given medication is prescribed within a calendar year compared to all other medications. A rank of "4" would indicate that the medication was the fourth most commonly prescribed medication.

Year Rank Change
2013 178  100
2014 81  97
2015 85  4
2016 87  2
Year Rank Change
2017 55  32
2018 74  19
2019 85  11
2020 80  5

Drug Cost Over Time (2013 - 2020)

  • Cost Per Prescription Fill: Average cost per filled prescription regardless of how many days of therapy the prescription is filled for (e.g. 10 days, 30 days, 90 days, etc.)
  • Cost per Day of Therapy: The average cost per prescription fill divided by the days of therapy. For example, a 10-day antibiotic course costing $30 would be $3 per day. Similarly, a 30-day supply of an oral antihypetensive costing $30 would be $1 per day.

  • Total cost: The average total cost of the medication including the out-of-pocket cost (see below) plus the amount paid by other parties (Medicare, Medicaid, private insurance, Veterans Administration, TRICARE, other state/federal sources, Worker's compensation, and other miscellaneous sources)
  • Out-of-pocket cost: The average payment made by the patient which may include deductibles, coinsurance, copayments, or the cash price paid without insurance coverage.

Cost Per Prescription Fill (USD)

Cost Per Day of Therapy (USD/day)

Distribution of Dispensed Dosage Forms (2020)

Dosage Form Strength % of Dispensed Products
Injection 100 unit/ml 68.4%
Solution 100 unit/ml 29.5%
Other, unspecified, or misc. 2.1%

Distribution of Days Supplied (2020)

"Days supply" is defined as the number of days that a prescription should last. For example, a prescription of 60 tablets that is taken twice daily has a day supply of 30 days.

Related Drugs

Drug Name Total Prescriptions (2020)
Insulin Glargine 17,973,209
Insulin Lispro 10,013,738
Insulin Aspart (this drug) 9,124,642
Insulin Detemir 5,164,647
Insulin Degludec 4,600,262

Drug Synonyms

Drug synonyms are used during the sanitation and standardization process of "cleaning" the original data source (MEPS). Occassionally, brand names may be listed below that are no longer on the market or are very infrequently used.

Brand Name Synonyms
  • Fiasp
  • Fiasp Flextouch
  • Fiasp Penfill
  • Novolog
  • Novolog Flexpen
  • Novolog Flextouch
  • Novolog Innolet
  • Novolog Penfill
Generic Drug Synonyms and Salts
  • Insulin Aspart Recombinant
  • Insulin Aspart

FDA Approval Information

Established Pharmacologic Class (EPC): Insulin Analog
Initial FDA approval date: 8/27/2001
First FDA applicant: Novo Nordisk Pharma, Inc.
First dosage form: Injection, Solution (intravenous; subcutaneous)

Prescription data source: Medical Expenditure Panel Survey (MEPS) 2013-2020. Agency for Healthcare Research and Quality (AHRQ), Rockville, MD. ClinCalc DrugStats Database version 2022.08. Read more about the ClinCalc DrugStats database.

All ClinCalc DrugStats figures and graphs on this page are licensed under Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0).


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Updated Sep 12, 2021
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