Portrait of Robert S. Langer
Photo: Douglas A. LockardSource · CC BY-SA 3.0
Medical & Dental

Robert S. Langer

Polymer controlled drug-delivery system

United StatesEvidence: high confidenceChecked July 2026

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Who is Robert S. Langer?

Robert S. Langer is an inventor associated with United States. Their documented work in medical & dental includes Polymer controlled drug-delivery system, the contribution at the center of this evidence-backed profile.

Robert S. Langer invented polymer-controlled drug-delivery systems that use degradable and nondegradable materials to release drugs at planned rates. The National Inventors Hall of Fame identifies these systems as the basis of a multibillion-dollar industry, while MIT documents Langer's current research on triggered and long-term delivery systems.

Known forPolymer controlled drug-delivery system
FieldMedical & Dental
Associated withUnited States
Evidence reviewed3 sources
01

What did Robert S. Langer invent?

Invented polymer-based controlled drug-delivery systems that release large-molecule medicines at engineered rates.

02

What did Robert S. Langer accomplish?

Langer's polymer delivery materials established controlled release as a medical-device platform, enabling local and sustained therapies such as chemotherapy wafers.

03

What is known about Robert S. Langer today?

Langer Lab's current news lists his 2025 Lipid Science Prize, and MIT's current faculty profile describes active work on controlled-release systems.

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