Skip Navigation
Johns Hopkins Bloomberg School of Public HealthCAAT

Johns Hopkins University
Center for Alternatives to Animal Testing

We believe the best science is humane science. Our programs seek to provide a better, safer, more humane future for people and animals. To learn more about CAAT and the 3Rs, visit our About Us page. And consider supporting our mission.


promo 1

CAAT News and Upcoming Events

News and upcoming events sponsored by CAAT, CAAT-Europe, and the Transatlantic Think Tank for Toxicology (t4).

Sign up for our CAATwalk Newsletter for the latest news about our activities! View the latest CAATwalk Newsletter (October 25, 2019)

Postdoc Position Available
In the Developmental Neurotoxicology (autism), 3D organoid models, high-content imaging, CRISPR/Cas9 gene editing. Details

Upcoming Events

Keynote Talk: On the Replacement of Animal Testing: Yesterday, Today, and Tomorrow
Michael Balls, Emeritus Professor, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham, UK
Wednesday, November 20, 2019 • 4-5pm
Johns Hopkins Bloomberg School of Public Health
Event will be livestreamed here

60 Years of the 3Rs—Lessons Learned and the Road Ahead
November 22, 2019
Johns Hopkins Bloomberg School of Public Health

Apply for the Charles River Excellence in Refinement Award: Deadline January 31, 2019

5th International Conference on Alternatives for Developmental Neurotoxicity (DNT) Testing
April 6-8, 2020
Konstanz, Germany


promo 2


CAAT and CAAT-Europe promise sound scientific synergy involving experts from both sides of the Atlantic to promote the implementation of human-relevant alternative approaches, the advancement of research, and the dissemination of the 3Rs.

ALTERTOX Academy Training:
PBPK Modeling and Quantitative In Vitro-In Vivo Extrapolation
October 3-4, 2019
Wageningen, Netherlands

Altertox Academy: 2019 Hands-on Training Courses

CAAT-Europe is housed at the University of Konstanz, Germany.


promo 3

From CAATwalk


Learn More >>

Humane Science Course
Connect with Us
Make a Gift