For Questions About Our Medicines
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Patient Resource Center
Our patient resource center is dedicated to getting patients and caregivers to the right resources.
Phone: 1 (877) GENENTECH (436-3683)
Hours: Monday - Friday, 6am - 5pm PST -
Report an Adverse Event
Report a side effect or harmful experience while taking a Genentech medicine.
Phone: (888) 835-2555
Hours: 24 hrs/day, 7 days/weekMail: Genentech US Drug Safety
1 DNA Way Mailstop 258A
South San Francisco, CA 94080Fax: (650) 225-4630
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Support For Product Questions, Issues, And Returns
Phone: (800) 551-2231
Hours: Monday - Friday, 6am - 5pm PT
Additional information here. -
Report a Product Complaint
Report a product quality issue or abnormality that may be introduced during the manufacturing, labeling, packaging, shipping, handling or storage of products.
Phone: (800) 334-0290
Hours: Monday - Friday, 5am - 5pm PT -
Medical Communications
Medical information about Genentech products.
Phone: (800) 821-8590
Chat with a nurse: Click here to chat
Hours: Monday - Friday, 5am - 5pm PT -
Clinical Trial Information
Information and support about Genentech sponsored Trials. Phone: (888) 662-6728
Hours: Monday - Friday, 5am - 5pm PT -
Compassionate Use Information
Call to learn about pre-approval access (PAA) options and eligibility for any ongoing clinical trials.
Phone: (844) 287-3783 (CU-REQUEST)
Hours: Monday - Friday, 5am - 5pm PT