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| 250mg |
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| 500mg |
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Purity: ≥98%
Tranilast (also known as MK 341; SB 252218; trade name Rizaben), an analog of a tryptophan metabolite, is an antiallergic drug developed by Kissei Pharmaceuticals and was approved in 1982 for use in Japan and South Korea for bronchial asthma. Indications were expanded in the 1980s to include hypertrophic and keloid scars. Interleukin-6 synthesis in endothelial cells is inhibited by tiranlast. It prevents the growth of neurofibroma cells and lowers the amount of collagen synthesized by fibroblasts. Originally discovered as an anti-allergic medication, tranilast was prescribed to treat inflammatory conditions like hypertrophic scars, atypical dermatitis, bronchial asthma, and allergic conjunctivitis. It could therefore be useful in the treatment of a variety of ailments, as the results subsequently demonstrated. Proliferative disorders, cancer, cardiovascular issues, autoimmune disorders, ocular diseases, diabetes, renal diseases, and fibrosis are just a few of the disease states in which tranilast has been shown to have positive effects.
| Targets |
DP2 ( IC50 = 0.1 mM ); Angiotensin II
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|---|---|
| ln Vitro |
Tranilast is an anti-allergic medication that prevents mast cells from releasing chemicals like prostaglandins and histamine, which reduces the production of collagen by fibroblasts that are derived from keloid tissues. Trenilast (3–300 mM) inhibits the production of collagen by fibroblasts from hypertrophic and keloid scar tissue, but not by fibroblasts from healthy skin. Tranistin (30–300 mM) prevents keloid fibroblasts from releasing transforming growth factor (TGF)–beta 1, which increases keloid fibroblasts' ability to synthesize collagen.[1] Tranilast helps with hypertrophic scars and keloids, which are caused by fibroblasts that proliferate abnormally and accumulate excessive amounts of collagen. The release of PGE2, IL-1 beta, and TGF-beta 1 from human monocytes/macrophages is inhibited by troglilast.[2] Tranalilast suppresses the migration that is induced by platelet-derived growth factor-BB (PDGF-BB), TGF-beta1, fetal bovine serum (FBS), and PDGF-BB. The synthesis of collagen and glycosaminoglycan is induced by TGF-beta 1 and spontaneous collagen synthesis is inhibited by tanninlast.[3]
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| ln Vivo |
Tranilast reduces 3[H]-hydroxyproline incorporation induced by TGF-beta1 by 58% in the diabetic heart of rats. In the diabetic heart of rats, tranilast reduces phospho-Smad2 by 37% and attenuates cardiac fibrosis. [4] In the canine carotid artery, tranilast treatment completely stops the increase in chymaselike activity, lowers chymase mRNA levels by 43%, and lowers the carotid intima/media ratio by 63%.[5]
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| References |
| Molecular Formula |
C18H17NO5
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|---|---|
| Molecular Weight |
327.34
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| Exact Mass |
327.11
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| Elemental Analysis |
C, 66.05; H, 5.23; N, 4.28; O, 24.44
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| CAS # |
53902-12-8
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| Related CAS # |
trans-Tranilast; 70806-55-2; Tranilast sodium; 104931-56-8
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| Appearance |
Solid powder
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| SMILES |
COC1=C(C=C(C=C1)/C=C/C(=O)NC2=CC=CC=C2C(=O)O)OC
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| InChi Key |
NZHGWWWHIYHZNX-CSKARUKUSA-N
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| InChi Code |
InChI=1S/C18H17NO5/c1-23-15-9-7-12(11-16(15)24-2)8-10-17(20)19-14-6-4-3-5-13(14)18(21)22/h3-11H,1-2H3,(H,19,20)(H,21,22)/b10-8+
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| Chemical Name |
2-[[(E)-3-(3,4-dimethoxyphenyl)prop-2-enoyl]amino]benzoic acid
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| Synonyms |
MK-341; MK 341; MK341; SB-252218; SB 252218; SB252218; Tranilast; trans-Tranilast; brand name: Rizaben; Tranilastum; Tranpro.
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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) |
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| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.5 mg/mL (7.64 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. Solubility in Formulation 2: 2.5 mg/mL (7.64 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly. Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution. View More
Solubility in Formulation 3: ≥ 2.5 mg/mL (7.64 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution. Solubility in Formulation 4: 5%DMSO+ Corn oil: 3.5mg/ml (10.69mM) Solubility in Formulation 5: 5 mg/mL (15.28 mM) in 30 % SBE-β-CD (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication. Solubility in Formulation 6: 4 mg/mL (12.22 mM) in 1.5% CMC-Na/saline water (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 3.0549 mL | 15.2746 mL | 30.5493 mL | |
| 5 mM | 0.6110 mL | 3.0549 mL | 6.1099 mL | |
| 10 mM | 0.3055 mL | 1.5275 mL | 3.0549 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 |
| NCT05626829 | Recruiting | Drug: Tranilast | Nasopharyngeal Carcinoma Recurrent Cancer |
Jian Guan | July 20, 2022 | Phase 2 |
| NCT03923140 | Recruiting | Drug: Tranilast | Cryopyrin-Associated Periodic Syndromes |
Peking Union Medical College Hospital |
May 23, 2019 | Phase 2 |
| NCT01003613 | Completed | Drug: Tranilast, and Tissucol Drug: Beriplast P |
Pterygium | Gildasio Castello de Almeida Junior |
February 2009 | Phase 3 |
| NCT00882024 | Completed | Drug: Tranilast Drug: Placebo |
Active Rheumatoid Arthritis | Nuon Therapeutics, Inc. | March 2009 | Phase 2 |
| NCT01052987 | Completed | Drug: Tranilast Drug: Allopurinol |
Gout Hyperuricemia |
Nuon Therapeutics, Inc. | January 2010 | Phase 2 |
Reduction of cGVHD-triggered systemic inflammation and fibrosis by oral gavage of TL.PLoS One.2018 Oct 11;13(10):e0203742. |
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Suppression of inflammatory and fibrotic markers by oral administration of TL.PLoS One.2018 Oct 11;13(10):e0203742. |
Repression of TXNIP, NF-κB and oxidative stress in cGVHD-susceptible organs by oral administration of TL.PLoS One.2018 Oct 11;13(10):e0203742. |
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