Tuesday, July 10, 2018

Letter to Veterinarians - CYSTORELIN® (gonadorelin)


In June 2018, FDA approved the fourth gonadotropin releasing hormone (GnRH) product, CYSTORELIN® (gonadorelin), for estrous synchrony in lactating dairy cows. The drug is also the second GnRH product approved for estrous synchrony in beef cows.

CYSTORELIN (New Animal Drug Application 098-379) is a sterile injectable solution of gonadorelin diacetate tetrahydrate, and when used with cloprostenol sodium as part of a synchronization regimen, the drug can be used to synchronize estrous cycles to allow for fixed time artificial insemination in lactating dairy cows and beef cows. FDA wants to remind you of the benefits of using approved drugs in your practice.

Read the letter
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