Liraglutide
NMR structure of liraglutide. PDB entry 4apd​
Clinical data
Trade namesVictoza, Saxenda, others
AHFS/Drugs.comMonograph
MedlinePlusa611003
License data
Pregnancy
category
  • AU: B3
Routes of
administration		Subcutaneous
ATC code
Legal status
Legal status
Identifiers
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
CompTox Dashboard (EPA)
ECHA InfoCard100.241.015
Chemical and physical data
FormulaC172H265N43O51
Molar mass3751.262 g·mol−1
3D model (JSmol)
  • CCCCCCCCCCCCCCCC(=O)N[C@@H](CCC(=O)NCCCC[C@H](NC(=O)[C@H](C)NC(=O)[C@H](C)NC(=O)[C@H](CCC(N)=O)NC(=O)CNC(=O)[C@H](CCC(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC1=CC=C(O)C=C1)NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@H](CC1=CC=CC=C1)NC(=O)[C@@H](NC(=O)CNC(=O)[C@H](CCC(O)=O)NC(=O)[C@H](C)NC(=O)[C@@H](N)CC1=CN=CN1)[C@@H](C)O)[C@@H](C)O)C(C)C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C)C(=O)N[C@@H](CC1=CNC2=CC=CC=C12)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)NCC(=O)N[C@@H](CCCNC(N)=N)C(=O)NCC(O)=O)C(O)=O
  • InChI=1S/C172H265N43O51/c1-18-20-21-22-23-24-25-26-27-28-29-30-37-53-128(223)193-112(59-64-132(227)228)148(244)180-68-41-40-50-111(154(250)199-116(62-67-135(233)234)155(251)204-120(73-100-44-33-31-34-45-100)160(256)214-140(93(11)19-2)168(264)192-97(15)146(242)201-122(76-103-79-183-108-49-39-38-48-106(103)108)158(254)203-118(72-90(5)6)159(255)212-138(91(7)8)166(262)200-110(52-43-70-182-172(177)178)150(246)184-81-129(224)194-109(51-42-69-181-171(175)176)149(245)187-84-137(237)238)196-144(240)95(13)189-143(239)94(12)191-153(249)115(58-63-127(174)222)195-130(225)82-185-152(248)114(61-66-134(231)232)198-156(252)117(71-89(3)4)202-157(253)119(75-102-54-56-105(221)57-55-102)205-163(259)124(85-216)208-165(261)126(87-218)209-167(263)139(92(9)10)213-162(258)123(78-136(235)236)206-164(260)125(86-217)210-170(266)142(99(17)220)215-161(257)121(74-101-46-35-32-36-47-101)207-169(265)141(98(16)219)211-131(226)83-186-151(247)113(60-65-133(229)230)197-145(241)96(14)190-147(243)107(173)77-104-80-179-88-188-104/h31-36,38-39,44-49,54-57,79-80,88-99,107,109-126,138-142,183,216-221H,18-30,37,40-43,50-53,58-78,81-87,173H2,1-17H3,(H2,174,222)(H,179,188)(H,180,244)(H,184,246)(H,185,248)(H,186,247)(H,187,245)(H,189,239)(H,190,243)(H,191,249)(H,192,264)(H,193,223)(H,194,224)(H,195,225)(H,196,240)(H,197,241)(H,198,252)(H,199,250)(H,200,262)(H,201,242)(H,202,253)(H,203,254)(H,204,251)(H,205,259)(H,206,260)(H,207,265)(H,208,261)(H,209,263)(H,210,266)(H,211,226)(H,212,255)(H,213,258)(H,214,256)(H,215,257)(H,227,228)(H,229,230)(H,231,232)(H,233,234)(H,235,236)(H,237,238)(H4,175,176,181)(H4,177,178,182)/t93-,94-,95-,96-,97-,98+,99+,107-,109-,110-,111-,112-,113-,114-,115-,116-,117-,118-,119-,120-,121-,122-,123-,124-,125-,126-,138-,139-,140-,141-,142-/m0/s1
  • Key:KAIWQAZASNVPLR-QCIJIYAXSA-N

Liraglutide, sold under the brand names Victoza and Saxenda among others, is an anti-diabetic medication used to treat type 2 diabetes, and chronic obesity.[6][7] It is a second-line therapy for diabetes following first-line therapy with metformin.[6][8] Its effects on long-term health outcomes like heart disease and life expectancy are unclear.[6][9] It is given by injection under the skin.[6]

Liraglutide is a glucagon-like peptide-1 receptor agonist (GLP-1 receptor agonist) also known as incretin mimetics.[6] It works by increasing insulin release from the pancreas and decreases excessive glucagon release.[6]

Common side effects include low blood sugar, nausea, dizziness, abdominal pain, and pain at the site of injection.[6][10] Gastrointestinal side-effects tend to be strongest at the beginning of treatment period and subside over time.[10] Other serious side effects may include angioedema, pancreatitis, gallbladder disease, and kidney problems.[6] Use in pregnancy and breastfeeding is of unclear safety.[6] A black box warning cautions that medullary thyroid cancers have been observed in rats treated with liraglutide, but it is "Unknown whether liraglutide causes thyroid C-cell tumors, including medullary thyroid carcinoma (MTC), in humans, as relevance to humans of such tumors in rodents has not been determined."[6]

Liraglutide was approved for medical use in the European Union in 2009, and in the United States in 2010.[4][11] In 2020, it was the 146th most commonly prescribed medication in the United States, with more than 4 million prescriptions.[12][13]

Medical uses

Liraglutide is a medication used for the treatment of type 2 diabetes or obesity.[6]

Type 2 diabetes

Liraglutide improves control of blood glucose.[14] In patients with high cardiovascular risk, liraglutide has been shown to reduce the risk for first occurrence of death from cardiovascular causes, nonfatal myocardial infarction, or nonfatal stroke.[15] ADA guidelines currently consider liraglutide a first line pharmacologic therapy for type 2 diabetes (usually together with metformin), specifically for patients with atherosclerotic cardiovascular disease or obesity.[16] A 2011 Cochrane review showed a HbA1c reduction of 0.24% more with liraglutide 1.8 mg compared to insulin glargine, 0.33% more than exenatide 10 µg twice daily, sitagliptin and rosiglitazone.[10] In an RCT comparing liraglutide, glargine, glimepiride, and sitagliptin (all added to metformin) with a follow-up of 5 years, glargine and liraglutide were modestly more effective in achieving and maintaining target HbA1c,[17] with no difference in outcomes of microvascular and cardiovascular disease.[18]

Obesity

Liraglutide may also be used together with diet and exercise for chronic weight management in adults.[6] Liraglutide led to greater weight loss than some previous glucagon-like peptide analogues,[10] but is less effective than the standard weight loss dose of semaglutide.[19][20]

Adverse effects

Thyroid cancer

At exposures eight times greater than those used in humans, liraglutide caused a statistically significant increase in thyroid tumors in rats. The clinical relevance of these findings is unknown.[2] In clinical trials, the rate of thyroid tumors in patients treated with liraglutide was 1.3 per 1000 patient years (4 people) compared to 1.0 per 1000 patients (1 person) in comparison groups. The sole person in the comparator group and four of the five persons in the liraglutide group had serum markers (elevated calcitonin) suggestive of pre-existing disease at baseline.[2]

The FDA said serum calcitonin, a biomarker of medullary thyroid cancer, was slightly increased in liraglutide patients, but still within normal ranges, and it required ongoing monitoring for 15 years in a cancer registry.[21]

Pancreatitis

In 2013, a group at Johns Hopkins reported an apparently statistically significant association between hospitalization for acute pancreatitis and prior treatment with GLP-1 derivatives (such as exenatide) and DPP-4 inhibitors (such as sitagliptin).[22] In response, the United States FDA and the European Medicines Agency conducted a review of all available data regarding the possible connection between incretin mimetics and pancreatitis or pancreatic cancer. In a joint 2014 letter to the New England Journal of Medicine, the agencies concluded that "A pooled analysis of data from 14,611 patients with type 2 diabetes from 25 clinical trials in the sitagliptin database provided no compelling evidence of an increased risk of pancreatitis or pancreatic cancer" and "Both agencies agree that assertions concerning a causal association between incretin-based drugs and pancreatitis or pancreatic cancer, as expressed recently in the scientific literature and in the media, are inconsistent with the current data. The FDA and the EMA have not reached a final conclusion at this time regarding such a causal relationship. Although the totality of the data that have been reviewed provides reassurance, pancreatitis will continue to be considered a risk associated with these drugs until more data are available; both agencies continue to investigate this safety signal."[23]

Pharmacodynamics

Liraglutide is an acylated glucagon-like peptide-1 (GLP-1) agonist, derived from human GLP-1-(7-37), a less common form of endogenous GLP-1.

It reduces meal-related hyperglycemia (for 24 hours after administration) by increasing insulin secretion (only) when required by increasing glucose levels, delaying gastric emptying, and suppressing prandial glucagon secretion.[24][25]

Liraglutide leads to insulin release in pancreatic beta cells in the presence of elevated blood glucose. This insulin secretion subsides as glucose concentrations decrease and approach euglycemia (normal blood glucose level). It also decreases glucagon secretion in a glucose-dependent manner and delays gastric emptying. Unlike endogenous GLP-1, liraglutide is stable against metabolic degradation by peptidases, with a plasma half-life of 13 hours.[26][24]

Pharmacokinetics

Endogenous GLP-1 has a plasma half-life of 1.5–2 minutes due to degradation by the ubiquitous enzymes, dipeptidyl peptidase-4 (DPP4) and neutral endopeptidases (NEP). The half-life after intramuscular injection is approximately half an hour, so even administered this way, it has limited use as a therapeutic agent. The metabolically active forms of GLP-1 are the endogenous GLP-1-(7-36)NH2 and the more rare GLP-1-(7-37). The prolonged action of liraglutide is achieved by attaching a fatty acid molecule at one position of the GLP-1-(7-37) molecule, enabling it to both self-associate and bind to albumin within the subcutaneous tissue and bloodstream. The active GLP-1 is then released from albumin at a slow, consistent rate. Albumin binding also results in slower degradation and reduced renal elimination compared to that of GLP-1-(7-37).[24]

Society and culture

Brand names

Liraglutide is marketed under the brand name Victoza in the U.S., U.K. UAE, Kuwait, India, Iran, Canada, Europe, Japan and Philippines. It has been launched in Germany, Italy, Denmark, the Netherlands, Sweden, Japan, Canada, the United States, France, Indonesia, Malaysia and Singapore. Liraglutide is also known to be marketed as Saxenda in Norway, Australia, Germany, Indonesia, Iran, Israel, Canada, Brazil, Switzerland, The United Kingdom, Ireland, South Korea, Poland[27] and the U.S, and also as Enligria and Quinliro in Russia.[28]

Marketing

Liraglutide was approved by the U.S. Food and Drug Administration (FDA) in 2014,[29] and by the European Medicines Agency (EMA) in 2015,[5] for adults with a body mass index (BMI) of 30 or greater (obesity) or a BMI of 27 or greater (overweight) who have at least one weight-related condition.[30][31] Liraglutide was approved by the FDA in 2019, for treatment of children 10 years or older with type 2 diabetes, making it the first non-insulin drug approved to treat type 2 diabetes in children since metformin was approved in 2000.[32]

Novo Nordisk stated that it plans to use 500 of its 3,000-strong sales force in the United States to promote Saxenda in 2015, because it is considered to have the potential for sales of $1 billion a year within 8–10 years of launch around the world. Analysts at Citi Research concur, assuming that the drug will reach less than 0.5 percent of the 107 million people in the United States classified as obese, and a daily price of $30 over 6 to 12 months' use. The company estimates that it has spent about $1 billion over ten years to take Saxenda from research to marketing.[30]

Novo Nordisk has made deals with generic manufacturers to enter the United States market in 2024.[33][34]

Controversy

In 2010, Novo Nordisk breached the ABPI's code of conduct by failing to provide information about side effects, and by promoting it prior to being granted market authorization.[35]

In 2012, the non-profit consumer advocacy group Public Citizen petitioned the U.S. Food and Drug Administration (FDA) to immediately remove liraglutide from the market because they concluded that risks of thyroid cancer and pancreatitis outweigh any documented benefits.[36]

In 2017, Novo Nordisk agreed to pay $58.65 million to settle multiple whistleblower lawsuits alleging that the company had illegally marketed, promoted, and sold Victoza for off-label uses (such as for type 1 diabetes) in violation of the Federal Food, Drug, and Cosmetic Act and the False Claims Act.[37] Novo Nordisk paid an additional $1.45 million to the states of California and Illinois to settle whistleblower cases alleging fraud against private commercial health insurers.[38]

References

  1. ↑ "FDA-sourced list of all drugs with black box warnings (Use Download Full Results and View Query links.)". nctr-crs.fda.gov. FDA. Retrieved 22 October 2023.
  2. 1 2 3 "Victoza- liraglutide injection". DailyMed. U.S. National Library of Medicine. Retrieved 5 June 2021.
  3. ↑ "Saxenda- liraglutide injection, solution". Retrieved 5 June 2021.
  4. 1 2 "Victoza EPAR". European Medicines Agency. 17 September 2018. Retrieved 23 March 2019.
  5. 1 2 "Saxenda EPAR". European Medicines Agency (EMA). 17 September 2018. Retrieved 5 June 2021.
  6. 1 2 3 4 5 6 7 8 9 10 11 12 "Liraglutide Monograph for Professionals". Drugs.com. American Society of Health-System Pharmacists. Retrieved 23 March 2019.
  7. ↑ "FDA approves weight management drug". U.S. Food and Drug Administration (FDA). 4 December 2020. Retrieved 5 June 2021.
  8. ↑ Shyangdan D, Cummins E, Royle P, Waugh N (May 2011). "Liraglutide for the treatment of type 2 diabetes". Health Technology Assessment. 15 (Suppl 1): 77–86. doi:10.3310/hta15Suppl1-09. PMID 21609656. Retrieved 14 May 2023.
  9. ↑ British National formulary: BNF 76 (76 ed.). Pharmaceutical Press. 2018. p. 685. ISBN 9780857113382.
  10. 1 2 3 4 Shyangdan DS, Royle P, Clar C, Sharma P, Waugh N, Snaith A (October 2011). "Glucagon-like peptide analogues for type 2 diabetes mellitus". The Cochrane Database of Systematic Reviews. 2011 (10): CD006423. doi:10.1002/14651858.cd006423.pub2. PMC 6486297. PMID 21975753.
  11. ↑ "Liraglutide injection". DailyMed. U.S. National Library of Medicine. Retrieved 23 March 2019.
  12. ↑ "The Top 300 of 2020". ClinCalc. Retrieved 7 October 2022.
  13. ↑ "Liraglutide - Drug Usage Statistics". ClinCalc. Retrieved 7 October 2022.
  14. ↑ "Understanding Diabetes -- Diagnosis and Treatment". WebMD. 13 November 2021. Retrieved 16 January 2023.
  15. ↑ Marso SP, Daniels GH, Brown-Frandsen K, Kristensen P, Mann JF, Nauck MA, et al. (July 2016). "Liraglutide and Cardiovascular Outcomes in Type 2 Diabetes". The New England Journal of Medicine. 375 (4): 311–322. doi:10.1056/nejmoa1603827. PMC 4985288. PMID 27295427.
  16. ↑ American Diabetes Association (January 2022). "Introduction: Standards of Medical Care in Diabetes-2022". Diabetes Care. 45 (Suppl 1): S1–S2. doi:10.2337/dc22-Sint. PMID 34964812. S2CID 245454068.
  17. ↑ Nathan DM, Lachin JM, Balasubramanyam A, Burch HB, Buse JB, Butera NM, et al. (September 2022). "Glycemia Reduction in Type 2 Diabetes - Glycemic Outcomes". The New England Journal of Medicine. 387 (12): 1063–1074. doi:10.1056/NEJMoa2200433. PMC 9829320. PMID 36129996. S2CID 252437415.
  18. ↑ Nathan DM, Lachin JM, Bebu I, Burch HB, Buse JB, Cherrington AL, et al. (September 2022). "Glycemia Reduction in Type 2 Diabetes - Microvascular and Cardiovascular Outcomes". The New England Journal of Medicine. 387 (12): 1075–1088. doi:10.1056/NEJMoa2200436. PMC 9832916. PMID 36129997. S2CID 252437195.
  19. ↑ Xie Z, Yang S, Deng W, Li J, Chen J (6 December 2022). "Efficacy and Safety of Liraglutide and Semaglutide on Weight Loss in People with Obesity or Overweight: A Systematic Review". Clin Epidemiol. 14: 1463–1476. doi:10.2147/CLEP.S391819. PMC 9738168. PMID 36510488.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  20. ↑ O'Neil PM, Birkenfeld AL, McGowan B, Mosenzon O, Pedersen SD, Wharton S, Carson CG, Jepsen CH, Kabisch M, Wilding JPH (25 August 2018). "Efficacy and safety of semaglutide compared with liraglutide and placebo for weight loss in patients with obesity: a randomised, double-blind, placebo and active controlled, dose-ranging, phase 2 trial". The Lancet. 392 (10148): 637–649. doi:10.1016/S0140-6736(18)31773-2. PMID 30122305. S2CID 52041320.
  21. ↑ N Engl J Med, 362:774
  22. ↑ Singh S, Chang HY, Richards TM, Weiner JP, Clark JM, Segal JB (April 2013). "Glucagonlike peptide 1-based therapies and risk of hospitalization for acute pancreatitis in type 2 diabetes mellitus: a population-based matched case-control study". JAMA Internal Medicine. 173 (7): 534–539. doi:10.1001/jamainternmed.2013.2720. PMID 23440284. S2CID 425632.
  23. ↑ Egan AG, Blind E, Dunder K, de Graeff PA, Hummer BT, Bourcier T, Rosebraugh C (February 2014). "Pancreatic safety of incretin-based drugs--FDA and EMA assessment". The New England Journal of Medicine. 370 (9): 794–797. doi:10.1056/NEJMp1314078. PMID 24571751.
  24. 1 2 3 Goldstein BJ, Mueller-Wieland D (14 November 2007). Type 2 Diabetes: Principles and Practice (2nd ed.). CRC Press. ISBN 978-0-8493-7958-1. Retrieved 17 January 2015.
  25. ↑ Beglinger C, Degen L (November 2006). "Gastrointestinal satiety signals in humans--physiologic roles for GLP-1 and PYY?". Physiology & Behavior. 89 (4): 460–464. doi:10.1016/j.physbeh.2006.05.048. PMID 16828127. S2CID 32598231.
  26. ↑ "Victoza (liraglutide)". Drugs.com. May 2008.
  27. ↑ "Saxenda - ulotka (dawkowanie, zastosowanie, interakcje) - KtoMaLek.pl". ktomalek.pl (in Polish). Retrieved 18 January 2023.
  28. ↑ Chudnovskyi, Alexey (19 September 2023). "Promomed vyvodit na rynok pervyi otechestvennyi liraglutid" «Промомед» выводит на рынок первый отечественный лираглутид [Promomed launches the first domestic liraglutide]. Vademecum (in Russian).
  29. ↑ "Drug Approval Package: Saxenda Injection (Liraglutide [rDNA origin])". U.S. Food and Drug Administration (FDA). 1 October 2015. Retrieved 5 June 2021.
  30. 1 2 "FDA approves weight-management drug Saxenda". U.S. Food and Drug Administration (Press release). 23 December 2014. Archived from the original on 26 April 2016. Retrieved 26 April 2016.
  31. ↑ "Saxenda recommended for approval in weight management in adults". News and Events. European Medicines Agency. Retrieved 26 April 2016.
  32. ↑ "FDA approves new treatment for pediatric patients with type 2 diabetes". U.S. Food and Drug Administration. 17 June 2019. Retrieved 21 June 2019.
  33. ↑ "The Biopharma Patent Cliff: 9 Drugs Losing Exclusivity by the End of 2023". BioSpace. Retrieved 1 December 2023.
  34. ↑ https://www.fiercepharma.com/pharma/novo-nordisk-and-novartis-put-victoza-patent-suit-bed-teeing-sandoz-copycat-2024-report. Retrieved 1 December 2023. {{cite news}}: Missing or empty |title= (help)
  35. ↑ "Novo Nordisk Limited, Eli Lilly and Company Limited, Grünenthal Ltd and Napp Pharmaceuticals Limited named in advertisements". Prescription Medicines Code of Practice Authority (PMCPA). Retrieved 7 February 2011.
  36. ↑ "Public Citizen to FDA: Pull Diabetes Drug Victoza From Market Immediately". Public Citizen. Retrieved 2 April 2013.
  37. ↑ "Novo Nordisk Agrees to Pay $58 Million for Failure to Comply with FDA-Mandated Risk Program" (Press release). U.S. Department of Justice. 5 September 2017. Retrieved 8 May 2018.
  38. ↑ "Whistleblower recoveries from insurance cases brought by Phillips & Cohen bring Novo Nordisk's Victoza settlement to $60 million" (Press release). Phillips & Cohen LLP. 5 September 2017. Retrieved 8 May 2018.
  • "Liraglutide". Drug Information Portal. U.S. National Library of Medicine.
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