JYNARQUE-certified Doctors

Your doctor will need to join a safety program to prescribe JYNARQUE® (tolvaptan)

Find a doctor certified in the safety program within
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Get your doctor ready to discuss whether JYNARQUE may be right for you

Your doctor must register in a safety program before he or she can prescribe JYNARQUE. This form will generate an email to your doctor letting him or her know you’re interested in JYNARQUE. It will also include a link to the safety program.

Don’t have your doctor’s email address?
You can call your doctor to find out if he or she is certified, or share this link to safety program information with him or her:

Otsuka America Pharmaceutical, Inc. will not save email addresses or other information used here. This will be a one-time email only.


A message from sent from Otsuka
Dear Dr :

I am sending you this email because I have heard that there is now a treatment for autosomal dominant polycystic kidney disease (ADPKD), and I would like to know if it may be right for me.

You can find information about the treatment from its manufacturer here.

Your name

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Are you starting or currently taking JYNARQUE but can't make it to your required labwork?

We will come to you.

Learn more



To help, we are offering a Home Collection Service available to all current, eligible patients taking JYNARQUE. A phlebotomist will be sent to your home to collect a blood sample for your REMS*-required blood work. The collection and processing will be free of charge to you.


If you are interested in this service, please reach out to your prescribing physician directly to get more details on this program or contact the Otsuka Patient Support Center at 1-855-242-7787 who are available from 9AM to 5PM EST.

*Risk Evaluation and Mitigation Strategy

Learn more