35 Parkwood Dr, Suite 150
Hopkinton, MA 01748
T : (
877) 288-8010 or (508) 435-9100

Phosphorex, a leading CDMO located just 26.2 miles from Boston in Hopkinton, MA. Our state-of-the-art facility spans at 30,000 Sq. Ft., with an additional 12,000 Sq. Ft. of cGMP space set to come online in 2024.

With our expertise and innovative technologies, we excel in encapsulating drugs into microspheres or nanoparticles, enabling targeted delivery, protection of therapeutic agents, controlled release, and improved bioavailability. From proof-of-concept to clinical studies, our integrated solution supports all phases of formulation development.



Our team of technical experts brings extensive experience in various areas, including:

  • Lipid Nanoparticles (LNPs) for Nucleic Acid Delivery
  • Polymeric Nanoparticles (PNPs) for Targeted Delivery
  • Polymeric Microspheres for Sustained-release Delivery

Phosphorex is at the forefront of harnessing the immense potential of microspheres and nanoparticles to revolutionize drug delivery. We provide a comprehensive range of customizable drug delivery solutions, catering to diverse applications. From formulation development to clinical trials, we work closely with clients and collaborators to bring innovative therapies to life.

When working with us, our team of experts offer:

  • Customizable Solutions: We understand the unique requirements of each application and tailor our drug delivery systems, accordingly, ensuring precision and effectiveness
  • Collaborative Approach: We foster close partnerships with our clients and collaborators, working hand-in-hand throughout the entire drug formulation & development journey
  • Seamless Transitions: From formulation development to clinical trials, our integrated approach ensures a smooth and efficient progression, saving valuable time and resources
  • Innovative Technologies: With the use of advanced systems & technologies and our expertise in microspheres and nanoparticles allows us to develop advanced drug delivery solutions that optimize therapeutic outcomes

Phosphorex offers the following services:

  • Formulation Feasibility & Optimization
  • Process Development & Scale Up
  • Pre-clinical Batch
  • cGMP Manufacturing (Coming in late 2024)
  • Supporting Analytical Services

Our Payload Expertise Includes:

  • Nucleic Acid Payloads: DNA, mRNA, siRNA, and antisense oligonucleotides (ASO) find their ideal carriers in lipid nanoparticles (LNPs), maximizing their therapeutic potential.
  • Small Molecules, Peptides, and Proteins: Biodegradable polymers form the foundation for our microspheres and nanoparticles, effectively encapsulating these payloads to enhance their performance.
  • Other Formulations: Explore our wide array of formulations, including liposomes, micelles, nanocrystals, hydrogels, and their combinations, boosting the efficacy of active ingredients.

Our Drug Carrier Expertise Includes:

  • Lipid Nanoparticles
  • Liposomes
  • Polymeric Nanoparticles
  • Polymeric Microspheres
  • Micelles
  • Lipid-polymer Hybrid
  • Polyplexes

At Phosphorex, we are committed to pushing the boundaries of drug delivery, delivering superior solutions, and driving the success of our clients. Partner with us to unlock the full potential of your pharmaceutical innovations.