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In December 2021, Noven Pharmaceuticals Inc., announced a change in the storage conditions for CombiPatch® (estradiol/norethindrone acetate transdermal system) 0.05/0.14 mg/day and 0.05/0.25 mg/day, approved by the U.S Food and Drug Administration (FDA).
The new storage condition only allows to “store CombiPatch in the refrigerator at 2°C to 8°C (36°F to 46°)”. Previous CombiPatch storage conditions allowed for the product to be stored as follows: “Prior to dispensing to the patient, store refrigerated 2°C to 8°C (36°F to 46°F). After dispensing to the patient, CombiPatch can be stored at room temperature between 20°C to 25°C (66°F to 77°F) for up to 6 months”.
The change in the storage condition for CombiPatch from up to 6 months at room temperature between 20°C to 25°C (66°F to 77°F) to fully refrigerated between 2°C to 8°C (36°F to 46°F), is not due to a product change. Recent analyses of test results showed that storage of CombiPatch in refrigerated conditions of 2°C to 8°C (36°F to 46°F) lead to improvement of product adhesion.
Please note that the earliest patients will see changes to the outer packaging of CombiPatch reflecting these storage condition changes is September 2022. We advise you to please continue to proactively inform any patients receiving CombiPatch of its updated storage conditions.
Prescriber Action:
Continue to counsel all patients about the risks and benefits of CombiPatch, including:
The new storage requirements to ensure optimal adhesion of the product.
Patients should store all sealed CombiPatch in the refrigerator (2°C to 8°C (36°F to 46°F)) until they are ready to apply the transdermal system. Allow the transdermal system to reach room temperature before application.
Note: All commercially available CombiPatch stored at previous storage recommendations are still safe and effective for use and, can continue to be used by patients.
Please ensure your staff and any provider in your institution who may be involved in the handling, storage and dispensing of CombiPatch, receives a copy of this letter and specifically reviews the updated storage conditions
Reporting Adverse Events Noven encourages the reporting of adverse events expeditiously. To report adverse events, product quality complaints or to request medical information related to CombiPatch please contact Noven Medical Information at (800) 455-8070 (9 a.m- 5 p.m EST, Mon-Fri).
Adverse events or quality problems experienced with the use of this product may also be reported to the FDA MedWatch Adverse Event Reporting program either online, by regular mail, telephone, or fax.
This letter is not intended as a complete description of the benefits and risks related to the use of CombiPatch. Please refer to the full prescribing information including patient information available on www.combipatch.com. For additional information, please call Noven at 1-800- 455-8070.
We will continue to work diligently to provide a consistent supply of CombiPatch. We appreciate your assistance in this matter and apologize for any inconvenience.
