PROFILPELAJAR.COM

Setmelanotide
Clinical data
Trade names	Imcivree
Other names	RM-493; BIM-22493; IRC-022493; N2-Acetyl-L-arginyl-L-cysteinyl-D-alanyl-L-histidyl-D-phenylalanyl-L-arginyl-L-tryptophyl-L-cysteinamide, cyclic (2-8)-disulfide
License data	US DailyMed: Setmelanotide;
Routes of; administration	Subcutaneous
ATC code	A08AA12 (WHO) ;
Legal status
Legal status	CA: ℞-only; US: ℞-only; EU: Rx-only;
Identifiers
	IUPAC name (4R,7S,10S,13R,16S,19R,22R)-22-[[(2S)-2-Acetamido-5-(diaminomethylideneamino)pentanoyl]amino]-13-benzyl-10-[3-(diaminomethylideneamino)propyl]-16-(1H-imidazol-5-ylmethyl)-7-(1H-indol-3-ylmethyl)-19-methyl-6,9,12,15,18,21-hexaoxo-1,2-dithia-5,8,11,14,17,20-hexazacyclotricosane-4-carboxamide;
CAS Number	920014-72-8;
PubChem CID	11993702;
DrugBank	DB11700;
ChemSpider	10166169;
UNII	N7T15V1FUY;
KEGG	D11927; D11928;
ChEMBL	ChEMBL3301624;
Chemical and physical data
Formula	C49H68N18O9S2
Molar mass	1117.32 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES C[C@@H]1C(=O)N[C@H](C(=O)N[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CSSC[C@@H](C(=O)N1)NC(=O)[C@H](CCCN=C(N)N)NC(=O)C)C(=O)N)Cc2c[nH]c3c2cccc3)CCCN=C(N)N)Cc4ccccc4)Cc5cnc[nH]5;
	InChI InChI=1S/C49H68N18O9S2/c1-26-41(70)63-37(20-30-22-55-25-59-30)46(75)64-35(18-28-10-4-3-5-11-28)44(73)62-34(15-9-17-57-49(53)54)43(72)65-36(19-29-21-58-32-13-7-6-12-31(29)32)45(74)66-38(40(50)69)23-77-78-24-39(47(76)60-26)67-42(71)33(61-27(2)68)14-8-16-56-48(51)52/h3-7,10-13,21-22,25-26,33-39,58H,8-9,14-20,23-24H2,1-2H3,(H2,50,69)(H,55,59)(H,60,76)(H,61,68)(H,62,73)(H,63,70)(H,64,75)(H,65,72)(H,66,74)(H,67,71)(H4,51,52,56)(H4,53,54,57)/t26-,33+,34+,35-,36+,37+,38+,39+/m1/s1; Key:HDHDTKMUACZDAA-PHNIDTBTSA-N;

Setmelanotide, sold under the brand name Imcivree, is a medication used for the treatment of genetic obesity caused by a rare single-gene mutation.^[4]^[5]^[6]

The most common side effects include injection site reactions, skin hyperpigmentation (skin patches that are darker than surrounding skin), headache and gastrointestinal side effects (such as nausea, diarrhea, and abdominal pain), among others.^[5] Spontaneous penile erections in males and adverse sexual reactions in females have occurred with treatment.^[5] Depression and suicidal ideation have also occurred with setmelanotide.^[5]

Setmelanotide was approved for medical use in the United States in November 2020,^[7]^[8] and in the European Union in July 2021.^[6] The U.S. Food and Drug Administration (FDA) considers it to be a first-in-class medication.^[9]^[8]

Medical uses

Setmelanotide is indicated for chronic weight management (weight loss and weight maintenance for at least one year) in people six years and older with obesity due to three rare genetic conditions: pro-opiomelanocortin (POMC) deficiency, proprotein subtilisin/kexin type 1 (PCSK1) deficiency, and leptin receptor (LEPR) deficiency confirmed by genetic testing demonstrating variants in POMC, PCSK1, or LEPR genes considered pathogenic (causing disease), likely pathogenic, or of uncertain significance.^[4]^[5]^[6] Setmelanotide is the first FDA-approved treatment for these genetic conditions.^[5]

Setmelanotide is not approved for obesity due to suspected POMC, PCSK1, or LEPR deficiency with variants classified as benign (not causing disease) or likely benign or other types of obesity, including obesity associated with other genetic syndromes and general (polygenic) obesity.^[5]

Pharmacology

Setmelanotide binds to and activates MC₄ receptors in the paraventricular nucleus (PVN) of the hypothalamus and in the lateral hypothalamic area (LHA), areas involved in the regulation of appetite, and this action is thought to underlie its appetite suppressant effects.^[10] In addition to reducing appetite, setmelanotide increases resting energy expenditure in both obese animals and humans.^[11] Importantly, unlike certain other MC₄ receptor agonists, such as LY-2112688, setmelanotide has not been found to produce increases in heart rate or blood pressure.^[12]

Setmelanotide has been reported to possess the following activity profile (cAMP, EC₅₀): MC₄ (0.27 nM) > MC₃ (5.3 nM) ≈ MC₁ (5.8 nM) > MC₅ (1600 nM) ≟ MC₂ (>1000 nM).^[13] (19.6-fold selectivity for MC₄ over MC₃, the second target of highest activity.)

History

Setmelanotide was invented at Ipsen.^[14] It was initially known as BIM-22493 and then as RM-493 and IRC-022493.

It was evaluated in two one-year clinical studies.^[5] The first study enrolled 10 participants with obesity and confirmed or suspected POMC or PCSK1 deficiency while the second study enrolled 11 participants with obesity and confirmed or suspected LEPR deficiency; all participants were six years or older.^[5] Most participants had lost more than 10% of their initial body weight after a year of treatment.^[5] Some participants also reported feeling less hungry.^[5]

The U.S. Food and Drug Administration (FDA) granted the application for setmelanotide orphan disease designation, breakthrough therapy designation, and priority review.^[5] The FDA granted the approval of Imcivree to Rhythm Pharmaceutical, Inc.^[5]^[7]

Society and culture

Economics

In 2021, the cost was $330 for 1 mg.^[15]

Legal status

Setmelanotide was approved for medical use in the United States in November 2020.^[7]^[8]

Setmelanotide was approved for medical use in the European Union in July 2021.^[6]^[16]

Research

Setmelanotide is a peptide drug and investigational anti-obesity medication which acts as a selective agonist of the MC₄ receptor;^[17]^[12] the structure of the bound complex has recently been determined.^[18] Its peptide sequence is Ac-Arg-Cys(1)-D-Ala-His-D-Phe-Arg-Trp-Cys(1)-NH2. It was first discovered at Ipsen and is being developed by Rhythm Pharmaceuticals for the treatment of obesity and diabetes.^[17] In addition, Rhythm Pharmaceuticals is conducting trials of setmelanotide for the treatment of Prader–Willi syndrome (PWS), a genetic disorder which includes MC₄ receptor deficiency and associated symptoms such as excessive appetite and obesity.^[19] As of December 2014, the drug is in phase II clinical trials for obesity and PWS.^[17]^[20]^[21]^{[needs update]} So far, preliminary data has shown no benefit of Setmelanotide in Prader-Willi syndrome.^[22]

The drug has some efficacy in obese people who lack the genetic variants that the drug is approved for, but its safety and efficacy in this wider population is not well understood.^[15]

References

^ "Summary Basis of Decision for Imcivree". Health Canada. 7 July 2023. Retrieved 4 October 2023.
^ "Details for: Imcivree". Health Canada. 12 July 2023. Retrieved 4 October 2023.
^ https://pdf.hres.ca/dpd_pm/00070511.PDF ^{[bare URL PDF]}
^ ^a ^b ^c "Imcivree- setmelanotide solution". DailyMed. Retrieved 25 December 2020.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ "FDA approves first treatment for weight management for people with certain rare genetic conditions". U.S. Food and Drug Administration (FDA) (Press release). 27 November 2020. Retrieved 27 November 2020. This article incorporates text from this source, which is in the public domain.
^ ^a ^b ^c ^d ^e "Imcivree EPAR". European Medicines Agency (EMA). 19 May 2021. Retrieved 22 July 2021. Text was copied from this source which is copyright European Medicines Agency. Reproduction is authorized provided the source is acknowledged.
^ ^a ^b ^c "Drug Approval Package: Imcivree". U.S. Food and Drug Administration (FDA). 23 December 2020. Retrieved 18 January 2021.
^ ^a ^b ^c "FDA approves first treatment for weight management". U.S. Food and Drug Administration (FDA). 30 September 2021. Retrieved 12 February 2022.
^ "New Drug Therapy Approvals 2020". U.S. Food and Drug Administration (FDA). 31 December 2020. Retrieved 17 January 2021.
^ Kim GW, Lin JE, Blomain ES, Waldman SA (January 2014). "Antiobesity pharmacotherapy: new drugs and emerging targets". Clinical Pharmacology and Therapeutics. 95 (1): 53–66. doi:10.1038/clpt.2013.204. PMC 4054704. PMID 24105257.
^ Chen KY, Muniyappa R, Abel BS, Mullins KP, Staker P, Brychta RJ, et al. (April 2015). "RM-493, a melanocortin-4 receptor (MC4R) agonist, increases resting energy expenditure in obese individuals". The Journal of Clinical Endocrinology and Metabolism. 100 (4): 1639–45. doi:10.1210/jc.2014-4024. PMC 4399297. PMID 25675384.
^ ^a ^b Kievit P, Halem H, Marks DL, Dong JZ, Glavas MM, Sinnayah P, et al. (February 2013). "Chronic treatment with a melanocortin-4 receptor agonist causes weight loss, reduces insulin resistance, and improves cardiovascular function in diet-induced obese rhesus macaques". Diabetes. 62 (2): 490–497. doi:10.2337/db12-0598. PMC 3554387. PMID 23048186.
^ Muniyappa R, Chen K, Brychta R, Abel B, Mullins K, Staker P, et al. (June 2014). "A Randomized, Double-Blind, Placebo-Controlled, Crossover Study to Evaluate the Effect of a Melanocortin Receptor 4 (MC4R) Agonist, RM-493, on Resting Energy Expenditure (REE) in Obese Subjects" (PDF). Endocrine Reviews. 35 (3). Rhythm Pharmaceuticals. Archived from the original (PDF) on 22 May 2015. Retrieved 21 May 2015.
^ US Patent US 8,039,435 B2, "Melanocortin Receptor Ligands", 18 October 2011, Inventors: Zheng Xin Dong, Jacques-Pierre Moreau
^ ^a ^b Ryan DH (September 2021). "Next Generation Antiobesity Medications: Setmelanotide, Semaglutide, Tirzepatide and Bimagrumab: What do They Mean for Clinical Practice?". Journal of Obesity & Metabolic Syndrome. 30 (3): 196–208. doi:10.7570/jomes21033. PMC 8526285. PMID 34518444.
^ "Imcivree Product information". Union Register of medicinal products. Retrieved 3 March 2023.
^ ^a ^b ^c Lee EC, Carpino PA (2015). "Melanocortin-4 receptor modulators for the treatment of obesity: a patent analysis (2008-2014)". Pharmaceutical Patent Analyst. 4 (2): 95–107. doi:10.4155/ppa.15.1. PMID 25853469.
^ Israeli H, Degtjarik O, Fierro F, Chunilal V, Gill AK, Roth NJ, et al. (May 2021). "Structure reveals the activation mechanism of the MC4 receptor to initiate satiation signaling". Science. 372 (6544): 808–814. Bibcode:2021Sci...372..808I. doi:10.1126/science.abf7958. PMID 33858992. S2CID 233260097.
^ "Obesity and Diabetes Caused by Genetic Deficiencies in the MC4 Pathway". Rhythm Pharmaceuticals. Archived from the original on 14 June 2015. Retrieved 21 May 2015.
^ Jackson VM, Price DA, Carpino PA (August 2014). "Investigational drugs in Phase II clinical trials for the treatment of obesity: implications for future development of novel therapies". Expert Opinion on Investigational Drugs. 23 (8): 1055–1066. doi:10.1517/13543784.2014.918952. PMID 25000213. S2CID 23198484.
^ "RM-493: A First-in-Class, Phase 2-Ready MC4 Agonist: A New Drug Class for the Treatment of Obesity and Diabetes". Rhythm Pharmaceuticals. Archived from the original on 14 June 2015. Retrieved 21 May 2015.
^ Duis J, van Wattum PJ, Scheimann A, Salehi P, Brokamp E, Fairbrother L, et al. (March 2019). "A multidisciplinary approach to the clinical management of Prader-Willi syndrome". Molecular Genetics & Genomic Medicine. 7 (3): e514. doi:10.1002/mgg3.514. PMC 6418440. PMID 30697974.

External links

Clinical trial number NCT02896192 for "Setmelanotide for the Treatment of Early-Onset POMC Deficiency Obesity" at ClinicalTrials.gov
Clinical trial number NCT03287960 for "Setmelanotide for the Treatment of LEPR Deficiency Obesity" at ClinicalTrials.gov

[1] "Summary Basis of Decision for Imcivree". Health Canada. 7 July 2023. Retrieved 4 October 2023.

[2] "Details for: Imcivree". Health Canada. 12 July 2023. Retrieved 4 October 2023.

[3] ttps://pdf.hres.ca/dpd_pm/00070511.PDF ^{[bare URL PDF]}

[Imcivree_FDA_label-4] "Imcivree- setmelanotide solution". DailyMed. Retrieved 25 December 2020.

[FDA_PR-5] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ "FDA approves first treatment for weight management for people with certain rare genetic conditions". U.S. Food and Drug Administration (FDA) (Press release). 27 November 2020. Retrieved 27 November 2020. This article incorporates text from this source, which is in the public domain.

[Imcivree_EPAR-6] "Imcivree EPAR". European Medicines Agency (EMA). 19 May 2021. Retrieved 22 July 2021. Text was copied from this source which is copyright European Medicines Agency. Reproduction is authorized provided the source is acknowledged.

[FDA_Drug_Approval_Package-7] "Drug Approval Package: Imcivree". U.S. Food and Drug Administration (FDA). 23 December 2020. Retrieved 18 January 2021.

[FDA_Imcivree-8] "FDA approves first treatment for weight management". U.S. Food and Drug Administration (FDA). 30 September 2021. Retrieved 12 February 2022.

[9] "New Drug Therapy Approvals 2020". U.S. Food and Drug Administration (FDA). 31 December 2020. Retrieved 17 January 2021.

[KimLin2013-10] Kim GW, Lin JE, Blomain ES, Waldman SA (January 2014). "Antiobesity pharmacotherapy: new drugs and emerging targets". Clinical Pharmacology and Therapeutics. 95 (1): 53–66. doi:10.1038/clpt.2013.204. PMC 4054704. PMID 24105257.

[ChenMuniyappa2015-11] Chen KY, Muniyappa R, Abel BS, Mullins KP, Staker P, Brychta RJ, et al. (April 2015). "RM-493, a melanocortin-4 receptor (MC4R) agonist, increases resting energy expenditure in obese individuals". The Journal of Clinical Endocrinology and Metabolism. 100 (4): 1639–45. doi:10.1210/jc.2014-4024. PMC 4399297. PMID 25675384.

[KievitHalem2012-12] Kievit P, Halem H, Marks DL, Dong JZ, Glavas MM, Sinnayah P, et al. (February 2013). "Chronic treatment with a melanocortin-4 receptor agonist causes weight loss, reduces insulin resistance, and improves cardiovascular function in diet-induced obese rhesus macaques". Diabetes. 62 (2): 490–497. doi:10.2337/db12-0598. PMC 3554387. PMID 23048186.

[Rhythm2014-13] Muniyappa R, Chen K, Brychta R, Abel B, Mullins K, Staker P, et al. (June 2014). "A Randomized, Double-Blind, Placebo-Controlled, Crossover Study to Evaluate the Effect of a Melanocortin Receptor 4 (MC4R) Agonist, RM-493, on Resting Energy Expenditure (REE) in Obese Subjects" (PDF). Endocrine Reviews. 35 (3). Rhythm Pharmaceuticals. Archived from the original (PDF) on 22 May 2015. Retrieved 21 May 2015.

[14] US Patent US 8,039,435 B2, "Melanocortin Receptor Ligands", 18 October 2011, Inventors: Zheng Xin Dong, Jacques-Pierre Moreau

[pmid34518444-15] Ryan DH (September 2021). "Next Generation Antiobesity Medications: Setmelanotide, Semaglutide, Tirzepatide and Bimagrumab: What do They Mean for Clinical Practice?". Journal of Obesity & Metabolic Syndrome. 30 (3): 196–208. doi:10.7570/jomes21033. PMC 8526285. PMID 34518444.

[16] "Imcivree Product information". Union Register of medicinal products. Retrieved 3 March 2023.

[LeeCarpino2015-17] Lee EC, Carpino PA (2015). "Melanocortin-4 receptor modulators for the treatment of obesity: a patent analysis (2008-2014)". Pharmaceutical Patent Analyst. 4 (2): 95–107. doi:10.4155/ppa.15.1. PMID 25853469.

[18] Israeli H, Degtjarik O, Fierro F, Chunilal V, Gill AK, Roth NJ, et al. (May 2021). "Structure reveals the activation mechanism of the MC4 receptor to initiate satiation signaling". Science. 372 (6544): 808–814. Bibcode:2021Sci...372..808I. doi:10.1126/science.abf7958. PMID 33858992. S2CID 233260097.

[Rhythm2013a-19] "Obesity and Diabetes Caused by Genetic Deficiencies in the MC4 Pathway". Rhythm Pharmaceuticals. Archived from the original on 14 June 2015. Retrieved 21 May 2015.

[JacksonPrice2014-20] Jackson VM, Price DA, Carpino PA (August 2014). "Investigational drugs in Phase II clinical trials for the treatment of obesity: implications for future development of novel therapies". Expert Opinion on Investigational Drugs. 23 (8): 1055–1066. doi:10.1517/13543784.2014.918952. PMID 25000213. S2CID 23198484.

[Rhythm2013b-21] "RM-493: A First-in-Class, Phase 2-Ready MC4 Agonist: A New Drug Class for the Treatment of Obesity and Diabetes". Rhythm Pharmaceuticals. Archived from the original on 14 June 2015. Retrieved 21 May 2015.

[22] Duis J, van Wattum PJ, Scheimann A, Salehi P, Brokamp E, Fairbrother L, et al. (March 2019). "A multidisciplinary approach to the clinical management of Prader-Willi syndrome". Molecular Genetics & Genomic Medicine. 7 (3): e514. doi:10.1002/mgg3.514. PMC 6418440. PMID 30697974.

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PROFILPELAJAR.COM

Setmelanotide

Medical uses

Pharmacology

History

Society and culture

Economics

Legal status

Research

References

External links

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