viatel™ bioresorbable polymers
chemistry: bioresorbable polymers
chemical name: Poly D,L lactide-co-glycolide (PLGA) / Poly D,L lactide (PDLLA) / Poly L lactide (PLLA) / Poly ɛ-caprolactone (PCL) / Poly L-lactide-co-ɛ-caprolactone (PLCL)
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Ashland’s Viatel™ platform of bioresorbable polymers are used in parenteral controlled release formulations. The Viatel™ portfolio contains many GMP grades as well as customized lactide/glycolide/caprolactone based polyester chemistries.
In pharmaceutical applications, formulators typically use these polymers to formulate long-acting injectables (LAI’s) or controlled release systems which are typically realized in microsphere, nanoparticle, solid implant, in-situ depots, sustained release coating, or transdermal microneedle delivery formats.
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features and benefits - more than 60 GMP grades available for drug delivery applications
- copolymers of D, L Lactide, glycolide, caprolactone and PEGylated chemistries
- low, medium and high molecular weight variants
- acid, ester and tailored end groups available
- manufactured within ISO Class 8 Cleanrooms
- USP <1078> and Joint IPEC-PQG GMP Guide for Pharmaceutical Excipients (IPEC, 2017)
- extremely tight specifications available
- low residual monomer, low residual tin and low solvent content grades available.
- type IV DMF filed with FDA #33847
- arrow molar masses: Inherent Viscosity ranges ±0.02 dl/g.
- tailored molar ratio’s, end groups and PEGylated variants.
- structures: linear randomized, di-block, triblock and branched.
- batch sizes from pilot to production scales available.
- flexible polymer platform suitable for formulation of:
- microspheres
- in-situ depots
- solid implants
- micelle and solid nano-particle formulations
- extended release coatings
- transdermal delivery technologies
- nasal drug eluting scaffolds
- long-acting orals
- new emerging drug delivery strategies
- microspheres
- in-situ depots
- solid implants
- micelle and solid nano-particle formulations
- extended release coatings
- transdermal delivery technologies
- nasal drug eluting scaffolds
- long-acting orals
- new emerging drug delivery strategies
applications - modified release
- parenteral/injectable controlled release
- lyophilization
- long acting injection (LAI)
region currently available
For country-specific details, please contact your local sales representative.
Asia Pacific / China / Europe Middle East & Africa / Latin America / North America
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additional content coming soon
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