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Ripple Therapeutics Research on Polymer-Free Drug Delivery Published in Nature Communications

TORONTO, ON, CANADA / ACCESSWIRE / JUNE 1, 2021 - Ripple Therapeutics Corporation (“Ripple”), a clinical stage, ophthalmology-focused developer of novel pharmaceuticals, announced today that the article Polymer-Free Corticosteroid Dimer Implants for Controlled and Sustained Drug Delivery was recently published in Nature Communications.

The article describes Ripple’s Epidel™ technology platform which is founded on a discovery that drugs can be engineered into drug delivery implants without the use of polymers or excipients. The proprietary prodrugs are new chemical entities (NCEs) that have unique properties that allow them to be processed into standalone drug delivery implants (e.g. implantable cylinders, micro/nanoparticles, etc.) or as coatings for medical devices without a polymeric carrier. Ripple Therapeutics’ implants and coatings are made up entirely from the prodrug so when the drug is gone the implant is gone. The implants and coatings undergo surface erosion achieving tightly controlled and reproducible release kinetics. Drug release profiles are highly engineerable (e.g. different forms, shapes, and sizes) to tailor drug dose and duration for the specific indication of interest. The flexibility in molecular design results in drug doses that are within the therapeutic window for a specified duration, delivering the right amount of drug for the right amount of time. This has the potential to improve patient safety and clinical outcomes.

“Surface erosion-based drug release enables the most controllable way to precisely design pharmacokinetics and pharmacodynamics for a target indication,” commented Dr. Wendy Naimark, Chief Technology Officer, Ripple Therapeutics. “We purposely design for simplicity to meet both safety and manufacturing goals. The less material the better from a physiological perspective and manufacturing simplicity is important for ensuring process control and ultimately a lower cost of goods.” 

Ripple recently announced that the first patients have been enrolled in RIPPLE-1, a Phase II clinical trial evaluating IBE-814 IVT, a proprietary intravitreal dexamethasone implant targeting DME (diabetic macular edema) and RVO (retinal vein occlusion) patients.  The trial seeks to provide a much-needed treatment option: a safer steroid implant with an extended clinical benefit.

Ripple is developing a full product pipeline including sustained release therapeutics for glaucoma, post cataract surgery and AMD.  Ripple’s glaucoma product (RTC-1119) is an intracameral prostaglandin implant for primary open-angle glaucoma.  The target product profile for RTC-1119 is to provide controlled, predictable drug release for 6-12 months and to allow retreatments as required.  The product is currently in preclinical development and the company is on target to submit a pre-IND in the second quarter of 2022.

About Ripple Therapeutics

Ripple Therapeutics Corporation is a clinical stage, privately held company that is focused on ophthalmic therapeutics with controllable, sustainable drug delivery.  The core feature of Ripple’s Epidel™ technology is the ability to engineer sustained-release pharmaceuticals with zero-order release kinetics without the use of polymers or excipients.  Ripple has a full product pipeline in development. www.rippletherapeutics.com  

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Julie Fotheringham, V.P. Marketing, People & Culture

October 15, 2024
TORONTO, CANADA / ACCESSWIRE / October 15, 2024 - Ripple Therapeutics Corporation, a clinical stage company focused on improving ophthalmic therapeutics with controllable sustained delivery implants, is pleased to announce evaluation and licensing agreements with Glaukos Corporation (NYSE: GKOS), an ophthalmic pharmaceutical and medical technology company focused on novel therapies for the treatment of glaucoma, corneal disorders and retinal disease. Ripple’s patented technology platform is based on a discovery that drugs can be chemically engineered into controlled release pharmaceuticals without the use of polymers or excipients. These proprietary prodrugs undergo surface erosion to give zero order release kinetics and are highly engineerable to tailor both drug dose and duration. The advantages of this technology include lower molecular weight and higher drug loading allowing for smaller implants and a lack of degradation products which provides both a clearer regulatory path as well as an improved safety profile. With an extended duration of therapeutic benefit, this technology will also reduce the treatment burden for patients. These agreements enable Glaukos to leverage Ripple’s proprietary technology platform to create sustained release implants of targeted APIs for both glaucoma and retinal diseases. If the program is successful, the evaluation agreement will automatically convert into a licensing agreement with future milestone payments and royalties. “We believe Ripple has one of the most promising drug delivery technologies currently under development,” commented Tomas Navratil, PhD, Chief Development Officer, Glaukos. “We are pleased with the progress of our collaboration and have enjoyed working with the Ripple team as we work together to bring these much-needed sustained release products to patients with critical unmet needs.” “This is the first of what we believe will be a number of transactions using our technology platform in concert with partners’ APIs to create sustained release implants which will benefit patients with extended duration and improved safety”, commented Tom Reeves, President & CEO, Ripple Therapeutics. “We look forward to continued collaboration with the entire Glaukos team.” About Ripple Therapeutics Ripple Therapeutics Corporation is a privately held clinical stage company focused on improving ophthalmic therapeutics with controllable sustained delivery implants. Ripple’s patented technology platform is based on a discovery that drugs can be chemically engineered into controlled release pharmaceuticals without the use of polymers or excipients. These proprietary prodrugs undergo surface erosion to give zero order release kinetics and are highly engineerable to tailor both drug dose and duration. The advantages of this technology include lower molecular weight and higher drug loading allowing for smaller implants and a lack of degradation products which provides both a clearer regulatory path as well as an improved safety profile. With an extended duration of therapeutic benefit, this technology will also reduce the treatment burden for patients. www.rippletherapeutics.com Media Contact (Ripple) Julie Fotheringham, V.P. Marketing, People & Culture, Ripple Therapeutics M: 416-951-7988 E: jfotheringham@rippletherapeutics.com
September 23, 2024
Hemal Mehta, MBBS, MD (Cantab.), presented Efficacy and safety of the low dose dexamethasone IBE-814 IVT Implant for diabetic macular edema and retinal vein occlusion: Results of a first-in-human Phase 2 trial, at Euretina Congress in Barcelona, Spain, September 19-22, 2024. View Presentation
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