CALL 1-800-288-8374 8:00 AM–8:00 PM (ET) Monday–Friday.Spanish-speaking Case Specialists are also available.
KOVALTRY® Free Trial Program*

Enroll today for up to 6 free doses

KOVALTRY® is delivered to your home

Any patient who has not experienced KOVALTRY® is able to participate, regardless of type of insurance or if you have insurance

Access to Therapy

Concerned about maintaining access to treatment?

We might be able to provide KOVALTRY® at no cost if you:

Experience challenges getting insurance coverage for KOVALTRY®

Are uninsured or underinsured

Are between jobs and experience a gap between insurance coverage

$0 Co-pay Program§

If you have private insurance, you may be eligible for the $0 Co-pay Program.

You may be able to receive up to $12,000 in assistance per year, regardless of income

Assistance is awarded per patient. Multiple members of the same household can apply

Enrollment can be completed in one short phone call

Live Helpline Support

Consult with an expert in insurance

Multiple languages, including Spanish, are spoken

Call 1-800-288-8374

8:00 AM–8:00 PM (ET)

Connect with a trained Case Specialist
Download the Bayer Access Solutions Enrollment Forms

You can print these forms out, and your doctor, nurse, HTC, or social worker can help you complete them.

*The KOVALTRY® Free Trial Program is available to newly diagnosed patients and patients who are currently using other therapy. Patients currently using KOVALTRY® are not eligible for the Free Trial Program. Participation in the KOVALTRY® Free Trial Program is limited to 1 time only. The medication provided through this program is complimentary and is not an obligation to purchase or use KOVALTRY® in the future. Reselling or billing any third party for the free product is prohibited by law.

The KOVALTRY® Free Trial Program includes up to 6 free doses to a maximum of 5,000 IU for new patients and 40,000 IU for previously treated patients.

The Bayer Reimbursement Helpline does not guarantee that patients will be successful in obtaining reimbursement. Support medication provided through Bayer's assistance programs is complimentary and is not contingent on future KOVALTRY® purchases. Reselling or billing any third party for free product provided by Bayer's patient assistance programs is prohibited by law.

§People with private, commercial health insurance may receive KOVALTRY® co-pay or co-insurance assistance based on eligibility requirements. The program is on a first-come, first-served basis. Financial support is available for up to 12 months. Eligible patients can re-enroll for additional 12-month courses. The program is not for patients receiving prescription reimbursement under any federal-, state-, or government-funded insurance programs, or where prohibited by law. All people who meet these criteria are encouraged to apply. Bayer reserves the right to determine eligibility, monitor participation, determine equitable distribution of product, and modify or discontinue the $0 Co-pay Program at any time.


KOVALTRY® is a medicine used to replace clotting factor (Factor VIII or antihemophilic factor) that is missing in people with hemophilia A.

KOVALTRY® is used to treat and control bleeding in adults and children with hemophilia A. KOVALTRY® can reduce the number of bleeding episodes in adults and children with hemophilia A when used regularly (prophylaxis). Your healthcare provider may give you KOVALTRY® when you have surgery.

KOVALTRY® is not used to treat von Willebrand Disease.


You should not use KOVALTRY® if you are allergic to rodents (like mice and hamsters) or any ingredients in KOVALTRY®.

Tell your healthcare provider if you have heart disease or are at risk for heart disease.

The common side effects of KOVALTRY® are headache, fever, and itchy rash.

Allergic reactions may occur with KOVALTRY®. Call your healthcare provider right away and stop treatment if you get tightness of the chest or throat, dizziness, decrease in blood pressure, and nausea.

Your body can also make antibodies, called "inhibitors," against KOVALTRY®, which may stop KOVALTRY® from working properly. Consult with your healthcare provider to make sure you are carefully monitored with blood tests for the development of inhibitors to Factor VIII.

Tell your healthcare provider about any side effect that bothers you or that does not go away.

Call your healthcare provider right away if bleeding is not controlled after using KOVALTRY®.

For additional important risk and use information, please see full Prescribing Information.

You are encouraged to report negative side effects or quality complaints of prescription drugs to the FDA. Visit or call 1-800-FDA-1088.

© 2017 Bayer. All rights reserved.
Bayer, the Bayer Cross, and KOVALTRY are registered trademarks of Bayer. Bayer Access Solutions is a service mark of Bayer.

Site Last Modified 06/2017