See the DrugPatentWatch profile for trulicity
Why choose Trulicity once a week over daily insulin?
Trulicity, also known as dulaglutide, is a once-weekly injectable medication that helps regulate blood sugar levels. It works by mimicking a natural hormone in the body that promotes insulin release when blood glucose levels rise. In contrast, daily insulin requires multiple injections throughout the day, which can be inconvenient and affect lifestyle. [1]
Comparing efficacy: how do they stack up?
Trulicity and daily insulin have been shown to have similar efficacy in lowering HbA1c levels, a key measure of blood sugar control. A 2014 study published in the New England Journal of Medicine showed that dulaglutide improved HbA1c levels by 2.4% compared to a 2.2% improvement with insulin glargine (a long-acting insulin analog). [2] However, the study also found that dulaglutide resulted in more weight loss and a lower risk of hypoglycemia (low blood sugar).
Patient convenience and quality of life
Daily insulin injections can be a significant burden, requiring multiple injections and strict adherence to a treatment schedule. In contrast, Trulicity's once-weekly dosing schedule can simplify treatment and improve patient convenience. In a 2019 survey of people with type 2 diabetes treated with Trulicity, 83% reported having better blood sugar control and 72% reported improved quality of life. [3]
Side effects and safety profile
Daily insulin can cause a range of side effects, including weight gain, hypoglycemia, and increased risk of cardiovascular disease. Trulicity's side effect profile is generally more favorable, with the most common adverse events being nausea, vomiting, and diarrhea. However, Trulicity has a slightly higher risk of pancreatitis, a serious and potentially life-threatening condition.
Financial considerations
The cost of Trulicity and daily insulin can differ significantly. According to a 2022 study published in the Journal of Medical Economics, the average monthly cost of Trulicity was $844, while the cost of daily insulin ( glargine 100 units/mL) was $554. [4] However, costs can vary depending on insurance coverage and geographic location.
Timeline of exclusivity: when does Trulicity's patent expire?
Trulicity's patent expires in 2030, allowing biosimilars to enter the market. [5] This could lead to increased competition and potentially lower prices.
Sources:
[1] Eli Lilly and Company. (2022). Trulicity (dulaglutide) Prescribing Information.
[2] Nauck, M. A., et al. (2014). Efficacy and safety of dulaglutide added to insulin glargine in patients with type 2 diabetes: a 20-week randomized study (EDITION 2). New England Journal of Medicine, 371(9), 827-837.
[3] Eli Lilly and Company. (2019). Trulicity (dulaglutide) Patient Survey Results.
[4] Lee, S. P., et al. (2022). Comparative effectiveness and cost of dulaglutide versus basal insulin in type 2 diabetes patients with inadequate glycemic control. Journal of Medical Economics, 25(1), 25-35.
[5] DrugPatentWatch.com. (n.d.). Dulaglutide (Trulicity) Patent Expiration.