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Semaglutide acetate (NNC-0113-0217; NNC0113-0217), the acetic acid salt form of semaglutide (Ozempic), is a human glucagon-like peptide-1 (GLP-1) receptor agonist with longer duration of antidiabetic action. In order to enhance glycemic control in adults with type 2 diabetes mellitus, the FDA approved semaglutide in December 2017.
| Targets |
GLP-1 receptor
|
|---|---|
| ln Vitro |
Semaglutide is derivatized at lysine 26 and differs from human GLP-1 in two amino acid substitutions (Aib8, Arg34). Semaglutide has an affinity for GLP-1R of 0.38±0.06 nM[1]. With a 94% sequence homology to human GLP-1, semaglutide is an analogue of GLP-1[3].
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| ln Vivo |
Semaglutide has an MRT of 63.6 hours after s.c. dosing to mini-pigs and a plasma half-life of 46 hours in mini-pigs after intravenous administration[1]. Motor impairments caused by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) are ameliorated by semaglutide. Semaglutide also protects dopaminergic neurons in the substantia nigra and striatum by rescuing the decrease in tyrosine hydroxylase (TH) levels, reducing lipid peroxidation, alleviating inflammation, inhibiting the apoptosis pathway, and increasing the expression of autophagy-related proteins. Furthermore, semaglutide, the long-acting GLP-1 analogue, outperforms NN-2211 in the majority of parameters[2].
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| Enzyme Assay |
HEK293‐SNAP‐GLP‐1R cells were labelled in suspension with SNAP‐Lumi4‐Tb (40 nM, Cisbio, Codelet, France) for 1 hour at room temperature in complete medium. After washing and resuspension in hanks' balanced salt solution containing 0.1% bovine serum albumin and metabolic inhibitors (20 mmol/L 2‐deoxygucose and 10 mmol/L NaN3) to prevent GLP‐1R internalization, binding experiments were performed by time‐resolved förster resonance energy transfer (FRET) using exendin (9‐39) with fluorescein isothiocyanate (FITC) installed at position K12 as previously described. [4]
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| Cell Assay |
Semaglutide activates the GLP-1 receptor in pancreatic beta cells leading to glucose-dependent insulin release. It also decreases glucagon secretion, slows gastric emptying, and promotes satiety.
|
| Animal Protocol |
Mice: Male C57BL/6 mice 10 weeks old (20-25 g) are used throughout the study. Six groups of mice are randomly assigned (n = 12 per group). The treatments were as follows: (i) saline alone was given to the control group; (ii) NN-2211 group received saline and NN-2211 (25 nmol/kg ip. once daily for 7 days); (iii) Semaglutide group received saline and Semaglutide (25 nmol/kg ip. once daily for 7 days); (iv) MPTP group received MPTP alone (once daily 20 mg/kg ip. for 7 days); (v) MPTP (once daily 20 mg/kg ip. for 7 days) was immediately followed by NN-2211 treated group (25 nmol/kg ip. once daily for 7 days). (vi) MPTP (20 mg/kg i.p. once daily for 7 days), which was immediately followed by the group treated with semaglutide (25 nmol/kg i.p. once daily for 7 days). Measure behavioral changes, neuronal damage, inflammatory markers, and other biomarkers at the conclusion of drug treatments[2].
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| ADME/Pharmacokinetics |
Absorption: The Cmax of semaglutide was 10.9 nmol/L, with AUC of 3123.4 nmol h/L and a Tmax of 56 h in one clinical trial, achieved within 1-3 days. The absolute bioavailability is 89%. Steady-state concentration of the oral tablet is achieved in 4-5 weeks. Average steady state concentrations of semaglutide are the mean steady state concentrations after dosing at 0.5mg to 1mg range from 16 nmol/L to 30 nmol/L.
Route of Elimination: This drug is mainly cleared by the kidneys, and is found excreted in both the urine and feces. The main elimination route is the urine by corresponding to 53% of an ingested radiolabeled dose, with 18.6% found in the feces. A smaller amount of 3.2% was found to be exhaled. Hepatic impairment does not appear to affect the clearance of this drug and dose adjustments are not required in patients with decreased liver function. Volume of Distribution: The volume of distribution of semaglutide is 8L to 9.4L. It crosses the placenta in rats. Clearance: The clearance rate of semaglutide is 0.039 L/h according to one clinical study. On the FDA label, semaglutide clearance is reported to be about 0.05 L/h in patients with type 2 diabetes mellitus. Metabolism / Metabolites: Semaglutide is cleaved at the peptide backbone, followed by β‐oxidation of the fatty acid chain. Naturally occurring GLP‐1 is quickly metabolized by dipeptidyl peptidase‐4 (DPP‐4) and other enzymes, which is ubiquitous in human tissues. Chemical structure modifications render semaglutide less susceptible to enzymatic degradation by gastrointestinal DPP‐4 enzymes. It is slowly and extensively metabolized, with about 83% of the administered dose measured in the plasma as unchanged drug. Neural endopeptidase (NEP) is another enzyme that metabolizes this drug. DPP-4 inactivates semaglutide, truncating the N-terminal segment while NEP hydrolyzes peptide bondsSix different metabolites of semaglutide have been identified in human plasma. The major metabolite, named P3, accounts for about 7.7% of an ingested dose. Biological Half-Life: One of the major properties of semaglutide is its long half-life of 168 h. The long half-life is attributed to its albumin binding. This lowers the renal clearance and protects semaglutide from metabolic breakdown. |
| Toxicity/Toxicokinetics |
Hepatotoxicity
In large clinical trials, serum enzyme elevations were no more common with semaglutide therapy than with placebo or comparator agents, and no instances of clinically apparent liver injury were reported. Indeed, treatment with semaglutide and other GLP-1 analogues is often associated with improvements in serum aminotransferase levels (and hepatic steatosis) making them possible treatments for nonalcoholic fatty liver. Since licensure, there have been no published case reports of hepatotoxicity due to semaglutide and the product label does not list liver injury as an adverse event. Thus, liver injury due to semaglutide must be rare, if it occurs at all. Likelihood score: E (unlikely cause of clinically apparent liver injury). Effects During Pregnancy and Lactation ◉ Summary of Use during Lactation No information is available on the clinical use of semaglutide during breastfeeding. Because semaglutide is a peptide molecule with a molecular weight of 4113 daltons and is over 99% protein bound, the amount in milk is likely to be very low. Absorption by the infant is unlikely because the drug is probably destroyed in the infant's gastrointestinal tract. Until more data become available, semaglutide should be used with caution during breastfeeding, especially while nursing a newborn or preterm infant. ◉ Effects in Breastfed Infants Relevant published information was not found as of the revision date. ◉ Effects on Lactation and Breastmilk Relevant published information was not found as of the revision date. View More
◈ What is semaglutide?
Protein Binding Semaglutide binds with high affinity to plasma albumin, promoting high levels of drug stability. It is more than 99% bound to albumin. |
| References |
[1]. Semaglutide and Cardiovascular Outcomes in Patients with Type 2 Diabetes. N Engl J Med. 2016 Nov 10;375(19):1834-1844.
[3]. Semaglutide: First Global Approval. Drugs. 2018 Feb;78(2):275-284.
[4]. In vivo and in vitro characterization of GL0034, a novel long‐acting glucagon‐like peptide‐1 receptor agonist. Diabetes Obes Metab. 2022 Nov; 24(11): 2090–2101. |
| Additional Infomation |
Novo Nordisk has developed a subcutaneous formulation of semaglutide (Ozempic®), a modified human glucagon-like peptide-1 (GLP-1) analogue, for the treatment of type 2 diabetes mellitus. It has been developed using Novo Nordisk's proprietary protein-acylation technology, and is administered using an injection device. Semaglutide lowers blood glucose by stimulating the release of insulin and also lowers body weight. Once-weekly subcutaneous semaglutide has recently been approved in the US, Puerto Rico and Canada, and has received a positive opinion in the EU for the treatment of patients with type 2 diabetes. It will be launched as the Ozempic® Pen, a pre-filled device. Semaglutide is also under regulatory review in Japan and Switzerland for the treatment of type 2 diabetes. Clinical development for obesity, non-alcoholic steatohepatitis and non-alcoholic fatty liver disease is underway worldwide. This article summarizes the milestones in the development of semaglutide leading to this first approval for type 2 diabetes.[3]
In patients with type 2 diabetes who were at high cardiovascular risk, the rate of cardiovascular death, nonfatal myocardial infarction, or nonfatal stroke was significantly lower among patients receiving semaglutide than among those receiving placebo, an outcome that confirmed the noninferiority of semaglutide. [2] Semaglutide is a polypeptide that contains a linear sequence of 31 amino acids joined together by peptide linkages. It is an agonist of glucagon-like peptide-1 receptors (GLP-1 AR) and used for the treatment of type 2 diabetes. It has a role as a hypoglycemic agent, a glucagon-like peptide-1 receptor agonist, an anti-obesity agent, a neuroprotective agent and an appetite depressant. It is a polypeptide and a lipopeptide. Semaglutide is a glucagon-like peptide 1 (GLP-1) analog used to manage type 2 diabetes along with lifestyle changes, such as dietary restrictions and increased physical activity. Other members of this drug class include [Exenatide] and [Liraglutide]. Semaglutide was developed by Novo Nordisk and approved by the FDA for subcutaneous injection in December 2017. The tablet formulation was approved for oral administration in September 2019. Semaglutide works by binding to and activating the GLP-1 receptor, thereby stimulating insulin secretion and reducing blood glucose. The subcutaneous injection is administered once weekly and the tablet is administered once a day. Semaglutide offers a competitive advantage over other drugs used to manage diabetes, which may require several daily doses. Clinical trials have determined that this drug reduces glycosylated hemoglobin (HbA1c) levels and reduces body weight, proving to be effective for patients with type 2 diabetes. In June 2021, semaglutide was approved by the FDA for chronic weight management in adults with general obesity or overweight who have at least one weight-related condition, marking semaglutide as the first approved drug for such use since 2014. The use of semaglutide in weight management is also approved by Health Canada and the EMA. On May 31, 2023, the FDA issued a warning regarding the use of compounded semaglutide after receiving adverse event reports. The use of salt forms of semaglutide, including semaglutide sodium and semaglutide acetate, has not been proven to be safe or effective. View More
Semaglutide is a GLP-1 Receptor Agonist. The mechanism of action of semaglutide is as a Glucagon-like Peptide-1 (GLP-1) Agonist.
Semaglutide is indicated to improve glycemic control in adults diagnosed with type 2 diabetes mellitus, and is used as an adjunct to diet and exercise. However, semaglutide is not a suitable first-line drug for diabetes that has not been controlled by diet and exercise. In addition, it has not been studied in patients with pancreatitis. Semaglutide is not intended for use in patients with type 1 diabetes or to treat diabetic ketoacidosis. Semaglutide is indicated for chronic weight management in adults with obesity or overweight with at least one weight-related condition (such as high blood pressure, type 2 diabetes, or high cholesterol), for use in addition to a reduced-calorie diet and increased physical activity.. Semaglutide it is also indicated for chronic weight management in pediatric patients aged 12 years and older with an initial BMI at the 95th percentile or greater for age and sex. Semaglutide reduces HbA1c, systolic blood pressure, and body weight. After 12 weeks of treatment, semaglutide decreased fasting and postprandial glucose by increasing insulin production and decreasing glucagon secretion (which is normally associated with increases in blood sugar). Semaglutide also lowers fasting triglycerides and VLDL cholesterol, exerting beneficial effects on cardiovascular health. Semaglutide has been shown to cause medullary thyroid cell carcinoma in rodents. While its clinical relevance to humans is unknown, the FDA advises not to administer this drug in those with a personal or family history of medullary thyroid carcinoma. Semaglutide also poses a risk of pancreatitis and dehydration. Patients must be adequately hydrated while on semaglutide and are advised to seek medical attention immediately in cases of abdominal pain radiating to the back. Because this drug delays gastric emptying, it is important to monitor for the efficacy or adverse effects of other drugs that are administered orally. Mechanism of Action: Mechanism of glycemic control** GLP-1 is a physiological hormone that promotes glycemic control via several different mechanisms, including insulin secretion, slowing gastric emptying, and reducing postprandial glucagon secretion. The homeostasis of glucose is dependent on hormones such as insulin and amylin, which are secreted by the beta cells of the pancreas. Semaglutide is 94% similar to human GLP-1. Analogs of this hormone such as semaglutide stimulate the synthesis of insulin by stimulating pancreatic islet cells and reducing glucagon secretion. They directly bind with selectivity to the GLP-1 receptor, causing various beneficial downstream effects that reduce blood glucose in a glucose-dependent fashion. **Mechanism of cardiovascular benefit and weight loss** In hypercholesterolemia, semaglutide is believed to reduce the progression of atherosclerosis via decreased gut permeability and decreased inflammation. Weight loss is believed to occur via the reduction of appetite and food cravings after semaglutide administration. Hepatotoxicity: In large clinical trials, serum enzyme elevations were no more common with semaglutide therapy than with placebo or comparator agents, and no instances of clinically apparent liver injury were reported. Indeed, treatment with semaglutide and other GLP-1 analogues is often associated with improvements in serum aminotransferase levels (and hepatic steatosis) making them possible treatments for nonalcoholic fatty liver. Since licensure, there have been no published case reports of hepatotoxicity due to semaglutide and the product label does not list liver injury as an adverse event. Thus, liver injury due to semaglutide must be rare, if it occurs at all. |
| Molecular Formula |
C189H295N45O61
|
|---|---|
| Molecular Weight |
4173.693
|
| Exact Mass |
4173.14
|
| Elemental Analysis |
C, 52.58; H, 7.62; N, 19.51; O, 20.29
|
| CAS # |
1997361-85-9
|
| Related CAS # |
910463-68-2 (Semaglutide free base); 2924330-56-1 (sodium)
|
| PubChem CID |
162393099
|
| Sequence |
H-His-Aib-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gly-Gln-Ala-Ala-Lys-Glu-Phe-Ile-Ala-Trp-Leu-Val-Arg-Gly-Arg-Gly-OH
|
| SequenceShortening |
HXEGTFTSDV SSYLEGQAAK EFIAWLVRGR G
|
| Appearance |
White to off-white solid powder
|
| LogP |
-5.8
|
| Hydrogen Bond Donor Count |
58
|
| Hydrogen Bond Acceptor Count |
65
|
| Rotatable Bond Count |
151
|
| Heavy Atom Count |
295
|
| Complexity |
9620
|
| Defined Atom Stereocenter Count |
30
|
| SMILES |
CC[C@H](C)[C@@H](C(=O)N[C@@H](C)C(=O)N[C@@H](CC1=CNC2=CC=CC=C21)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)NC(=O)[C@H](CC3=CC=CC=C3)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CCCCNC(=O)COCCOCCNC(=O)COCCOCCNC(=O)CC[C@@H](C(=O)O)NC(=O)CCCCCCCCCCCCCCCCC(=O)O)NC(=O)[C@H](C)NC(=O)[C@H](C)NC(=O)[C@H](CCC(=O)N)NC(=O)CNC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC4=CC=C(C=C4)O)NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC(=O)[C@H](C(C)C)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CO)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H](CC5=CC=CC=C5)NC(=O)[C@H]([C@@H](C)O)NC(=O)CNC(=O)[C@H](CCC(=O)O)NC(=O)C(C)(C)NC(=O)[C@H](CC6=CNC=N6)N.CC(=O)O
|
| InChi Key |
CQZWIAQBGGIDHL-GENFIEAASA-N
|
| InChi Code |
InChI=1S/C187H291N45O59.C2H4O2/c1-18-105(10)154(180(282)208-108(13)159(261)216-133(86-114-89-200-119-50-40-39-49-117(114)119)170(272)218-129(82-102(4)5)171(273)228-152(103(6)7)178(280)215-121(53-44-72-199-186(192)193)162(264)201-91-141(242)209-120(52-43-71-198-185(190)191)161(263)204-94-151(257)258)230-172(274)131(83-111-45-33-31-34-46-111)219-167(269)126(64-69-149(253)254)214-166(268)122(51-41-42-70-195-144(245)98-290-79-78-289-76-74-197-145(246)99-291-80-77-288-75-73-196-139(240)66-61-127(183(285)286)211-140(241)54-37-29-27-25-23-21-19-20-22-24-26-28-30-38-55-146(247)248)212-158(260)107(12)206-157(259)106(11)207-165(267)125(60-65-138(189)239)210-142(243)92-202-163(265)123(62-67-147(249)250)213-168(270)128(81-101(2)3)217-169(271)130(85-113-56-58-116(238)59-57-113)220-175(277)135(95-233)223-177(279)137(97-235)224-179(281)153(104(8)9)229-174(276)134(88-150(255)256)221-176(278)136(96-234)225-182(284)156(110(15)237)231-173(275)132(84-112-47-35-32-36-48-112)222-181(283)155(109(14)236)227-143(244)93-203-164(266)124(63-68-148(251)252)226-184(287)187(16,17)232-160(262)118(188)87-115-90-194-100-205-115;1-2(3)4/h31-36,39-40,45-50,56-59,89-90,100-110,118,120-137,152-156,200,233-238H,18-30,37-38,41-44,51-55,60-88,91-99,188H2,1-17H3,(H2,189,239)(H,194,205)(H,195,245)(H,196,240)(H,197,246)(H,201,264)(H,202,265)(H,203,266)(H,204,263)(H,206,259)(H,207,267)(H,208,282)(H,209,242)(H,210,243)(H,211,241)(H,212,260)(H,213,270)(H,214,268)(H,215,280)(H,216,261)(H,217,271)(H,218,272)(H,219,269)(H,220,277)(H,221,278)(H,222,283)(H,223,279)(H,224,281)(H,225,284)(H,226,287)(H,227,244)(H,228,273)(H,229,276)(H,230,274)(H,231,275)(H,232,262)(H,247,248)(H,249,250)(H,251,252)(H,253,254)(H,255,256)(H,257,258)(H,285,286)(H4,190,191,198)(H4,192,193,199);1H3,(H,3,4)/t105-,106-,107-,108-,109+,110+,118-,120-,121-,122-,123-,124-,125-,126-,127-,128-,129-,130-,131-,132-,133-,134-,135-,136-,137-,152-,153-,154-,155-,156-;/m0./s1
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| Chemical Name |
acetic acid;18-[[(1S)-4-[2-[2-[2-[2-[2-[2-[[(5S)-5-[[(2S)-2-[[(2S)-2-[[(2S)-5-amino-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S,3R)-2-[[2-[[(2S)-2-[[2-[[(2S)-2-amino-3-(1H-imidazol-4-yl)propanoyl]amino]-2-methylpropanoyl]amino]-4-carboxybutanoyl]amino]acetyl]amino]-3-hydroxybutanoyl]amino]-3-phenylpropanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-carboxypropanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-4-methylpentanoyl]amino]-4-carboxybutanoyl]amino]acetyl]amino]-5-oxopentanoyl]amino]propanoyl]amino]propanoyl]amino]-6-[[(2S)-1-[[(2S)-1-[[(2S,3S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-5-carbamimidamido-1-[[2-[[(2S)-5-carbamimidamido-1-(carboxymethylamino)-1-oxopentan-2-yl]amino]-2-oxoethyl]amino]-1-oxopentan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxopentan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-6-oxohexyl]amino]-2-oxoethoxy]ethoxy]ethylamino]-2-oxoethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid
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| Synonyms |
Semaglutide acetate; Semaglutide (acetate); Semaglutide Acetate; Semalgutide Acetate; BS181345
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
DMSO: >50 mg/mL
Water: >50 mg/mL |
|---|---|
| Solubility (In Vivo) |
Note: Please refer to the "Guidelines for Dissolving Peptides" section in the 4th page of the "Instructions for use" file (upper-right section of this webpage) for how to dissolve peptides. Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples. Injection Formulations
Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution. Injection Formulation 2: DMSO : PEG300 ：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil) Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals). View More
Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)] Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium) Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals). View More
Oral Formulation 3: Dissolved in PEG400 (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 0.2396 mL | 1.1980 mL | 2.3960 mL | |
| 5 mM | 0.0479 mL | 0.2396 mL | 0.4792 mL | |
| 10 mM | 0.0240 mL | 0.1198 mL | 0.2396 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
| NCT Number | Recruitment | interventions | Conditions | Sponsor/Collaborators | Start Date | Phases |
| NCT05649137 | Active Recruiting |
Drug: Semaglutide Drug: Placebo |
Obesity Diabetes Mellitus, Type 2 |
Novo Nordisk A/S | January 4, 2023 | Phase 3 |
| NCT05646706 | Active Recruiting |
Drug: Semaglutide Drug: Placebo |
Obesity | Novo Nordisk A/S | January 4, 2023 | Phase 3 |
| NCT05302596 | Active Recruiting |
Drug: Semaglutide Pen Injector |
Obesity Aging |
State University of New York at Buffalo |
September 1, 2022 | Phase 4 |
| NCT05564117 | Active Recruiting |
Drug: Semaglutide Drug: Placebo semaglutide |
Overweight Obesity |
Novo Nordisk A/S | October 11, 2022 | Phase 3 |
| NCT04560998 | Active Recruiting |
Drug: Semaglutide Drug: Placebo (semaglutide) |
Diabetes Mellitus, Type 2 Peripheral Arterial Disease |
Novo Nordisk A/S | October 1, 2020 | Phase 3 |
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