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ALG1001 (discontinued, also known as Risuteganib and Luminate, developed by Allegro Ophthalmics) is a potent and selective small peptide with a sequence of Gly-Arg-Gly-Cya-Thr-Pro. It is an anti-integrin that acts as an inhibitor of angiogenesis and a modulator of integrin α2ß1, αV-ß 3, αV-ß 5. ALG-1001 is a first-in-class integrin peptide therapy which met the primary endpoint of vision non-inferiority to bevacizumab, an anti-vascular endothelial growth factor therapy (anti-VEGF), with 12-week durability in a population of patients with mostly chronic diabetic macular edema (DME). ALG1001's potency relies on anti-angiogenesis and vitreolysis to induce posterior vitreous detachment as well as vitreous liquefaction. ALG1001 was shown to be effective at regressing and inhibiting new blood vessel formation, as well as reducing vascular leakage to maintain and restore vision. ALG-1001 seems to be a strong player with different mechanisms of action that benefit patients who have been receiving chronic anti-VEGF therapy and those who are treatment naïve.
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| References |
| Molecular Formula |
C22H39N9O11STFA
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| Molecular Weight |
751.68
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| CAS # |
1307293-62-4
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| SMILES |
O=C(O)[ C@H]1N(C([ C@H]([ C@H](O)C)NC([ C@H](CS(=O)(O)=O)NC(CNC([ C@H](CCCNC(N)=N)NC(CN) =O)=O)=O)=O)=O)CCC1.O=C(O)C(F)(F)F
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
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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 Vivo) |
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 | 1.3304 mL | 6.6518 mL | 13.3035 mL | |
| 5 mM | 0.2661 mL | 1.3304 mL | 2.6607 mL | |
| 10 mM | 0.1330 mL | 0.6652 mL | 1.3304 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 |
| NCT01749891 | Completed | Drug: ALG 1001 | Macular Degeneration | Allegro Ophthalmics, LLC | March 2012 | Phase 1 Phase 2 |
| NCT02153476 | Completed Has Results |
Drug: 2.0mg of ALG-1001 Drug: Balanced Salt Solution |
Symptomatic Focal Vitreomacular Adhesion |
Allegro Ophthalmics, LLC | February 2014 | Phase 2 |
| NCT01482871 | Withdrawn | Drug: ALG-1001 | Diabetic Macular Edema | Allegro Ophthalmics, LLC | January 2011 | Phase 1 Phase 2 |
| NCT03626636 | Completed | Drug: Risuteganib Other: Sham |
Dry Age-related Macular Degeneration |
Allegro Ophthalmics, LLC | August 1, 2017 | Phase 2 |
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