Improving Drug Delivery with a Special Coating

Zwitterionic polyethylene glycol for therapeutic delivery

NIH-funded research Drexel University · NIH-11184344

This project explores a new way to deliver medicines more effectively, helping them stay in the body longer and avoid unwanted immune responses.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionDrexel University NIH-funded
Lab location1 site (Philadelphia, United States)
Project IDNIH-11184344 on NIH RePORTER

What this research studies

Many important medicines, like some vaccines and biologics, are coated with a substance called PEG to help them work better and stay in your system longer. However, some people have antibodies that fight against PEG, which can make these medicines less effective and even cause side effects. This research is developing a new type of coating, called zwitterionic polyethylene glycol, that aims to provide the same benefits as PEG without triggering these unwanted immune reactions. By creating a "stealthier" coating, this work hopes to make future drug treatments safer and more powerful for everyone.

Who could benefit from this research

Good fit: This foundational research does not directly involve patients but aims to benefit those who need medications that could be improved by better delivery systems.

Not a fit: Patients who do not require medications that utilize advanced delivery systems would not directly benefit from this specific research.

Why it matters

Potential benefit: If successful, this work could lead to new and improved medications that are more effective and have fewer side effects for a wider range of patients.

How similar studies have performed: While PEGylated drugs are widely successful, the problem of anti-PEG antibodies is a known limitation, and this research explores a novel approach to overcome it.

Where this research is happening

Philadelphia, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.