This site is intended for healthcare professionals. If you are a patient or caregiver, please contact your physician to discuss clinical trial eligibility.

Contact Us

For more information about our clinical development programs, call +1-833-807-3633
or email medinfo@loxooncology.com.

For assistance finding a clinical trial center for eligible patients, please contact us through the following channels:


For TRK Trials:
Loxo Oncology TRK Physician and Patient Clinical Trial Hotline: +1-855-NTRK-123 or clinicaltrials@loxooncology.com

For RET Trials:
Loxo Oncology RET Physician and Patient Clinical Trial Hotline: +1-855-RET-4292 or clinicaltrials@loxooncology.com

For BTK Trials:
Loxo Oncology BTK Physician and Patient Clinical Trial Hotline: +1-855-LOXO-305 or clinicaltrials@loxooncology.com


Loxo Oncology, Inc

Stamford, CT
281 Tresser Blvd, 9th Floor
Stamford, CT 06901

Boulder, CO
3122 Sterling Circle, Suite 200
Boulder, CO 80301

South San Francisco, CA
701 Gateway Blvd, Suite 420
South San Francisco, CA 94080

US Locations