PreclinicalRadiopharmaceuticalCRO
Accelerating life-saving cancer therapies from discovery to clinic. We partner with pharma, biotech, and research institutions to advance the next generation of targeted treatments.
Your Partner in Radiopharmaceutical Discovery
We serve big pharma, midsize biotech, startups, and academic researchers by leveraging our ecosystem and expertise to accelerate preclinical programs into clinical translation.
RPT Labworks is a contract research organization based in Madison, Wisconsin that provides end-to-end preclinical radiopharmaceutical theranostics development, optimization, and testing services.
Supported Radionuclides

Built for Results
We combine decades of expertise with cutting-edge technology to deliver accurate, timely, and actionable insights for your radiopharmaceutical programs.
AccuracyAccuracy
Decades of expertise combined with meticulously calibrated equipment deliver results you can trust for critical decisions.
SpeedSpeed
Integrated teams and proven workflows get you from study start to comprehensive report in 2-4 weeks.
FlexibilityFlexibility
We adapt to shifting priorities and pivot quickly when your program needs change direction.
ExpertiseExpertise
Multiple decades of combined experience in nuclear medicine, molecular imaging, cancer biology, and medical physics.
DynamicDynamic
Radionuclide and vector agnostic—equipped to manage complex and unconventional study designs.
End-to-End Capabilities
From early development consulting to advanced imaging and analysis, we provide comprehensive preclinical services to accelerate your program.
Targeted Science.
Accurate Results.
Ready to accelerate your radiopharmaceutical program? Schedule a consultation with our experts to discuss your project.
Why Work With Us
Top-tier expertise supporting your development programs
Custom conjugation, radiolabeling, and QC method development
World-class facilities and equipment
Vector and radionuclide agnostic approach