<p>Store lyophilized Alteplase at controlled room temperature not to exceed 30&deg;C, or under refrigeration (2-8&deg;C). Protect the lyophilized material during extended storage from excessive exposure to light. If stored between 2-30&deg;C, Alteplase may be used within 8 hours following reconstitution. Discard any unused solution after administration is complete. Do not use beyond the expiration date stamped on the vial.</p>