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OneSource Treatment Support

Strensiq® (asfotase alfa) Treatment Support

Personalized support every step of the way

As you are getting started on your treatment with Strensiq, OneSource is here to help. OneSource is made up of a team of Alexion nurse case managers who are registered nurses with healthcare and insurance experience.

Whether you want to learn more about hypophosphatasia or have questions about treatment with Strensiq, OneSource is only a phone call away. After enrolling, you'll be matched with a dedicated Alexion nurse case manager who can help throughout your treatment journey.

  • Education and tools to help with your disease and treatment
  • Connections with other people living with hypophosphatasia
  • Information on co-pay support and financial assistance programs
  • Treatment support from dedicated Alexion nurse case managers
  • Alexion Access Foundation for those without insurance
  • Specialized medication refrigerator to help store Strensiq and track injections
  • In-home injection training by trained professionals
  • A safe and convenient mail-back program to help dispose of needles

Meet your nurse case manager

  • West
    Kathy Frenette I have been a nurse case manager for many years. I enjoy this community and educating patients, patient family members, and physicians about rare diseases. Helping my patients understand their disease and assisting them through treatment is one of the most rewarding aspects of my job.
  • Southwest / Northeast
    Sandra Pelkey I began my nursing career at Connecticut Children’s Medical Center, where I worked with children and their families for 10 years. After transitioning to my role as an Alexion nurse case manager, I immediately fell in love with the community of people living with rare diseases.
  • Rocky Mountain
    Betsy Daglis I became a registered nurse over 25 years ago to help and advocate for patients and their families in any way that I can.
  • Midwest
    Jennifer Schmidt-Shaw After working for 8 years as a labor and delivery nurse, my passion for patient education and advocacy fueled my decision to become an Alexion nurse case manager.
  • Southeast
    Paula Bonanni I have been a nurse for more than 33 years, and I’m in my tenth year at Alexion. Working with patients with rare diseases is wonderful. I’m here to help them as much or as little as they need, and to help make their burden a little lighter. I love building long-term relationships with my patients.

Call OneSource at 1-888-765-4747

Important Safety Information

What is Strensiq® (asfotase alfa)?

Strensiq is a prescription medicine used to treat people with perinatal/infantile- and juvenile-onset hypophosphatasia (HPP).

What are the possible side effects of Strensiq?

Strensiq may cause serious side effects, including

  • Serious allergic (hypersensitivity) reactions. Serious allergic reactions have happened in some people who use Strensiq. Stop using Strensiq and go to the nearest hospital emergency room right away if you have any of the signs and symptoms of a serious allergic reaction, including
    • Difficulty breathing
    • Swelling of your eyes, lips, or tongue
    • Hives
    • Feeling faint
    • Nausea or vomiting
    • Dizziness
    • Itching of your lips, tongue, or throat
    • Choking sensation
  • Skin thickening or pits at the injection site (lipodystrophy). Lipodystrophy at the injection site has happened several months after using Strensiq
  • Calcium buildup in your eyes and kidneys. Your healthcare provider should check your eyes and kidneys while you use Strensiq
The most common side effects of Strensiq include local skin injection-site reactions (including red skin patches, bruising, color change, pain, itching, thinning, swelling, pits, and bumps) and calcium buildup in your eyes and kidneys. These are not all of the possible side effects of Strensiq. For more information, ask your healthcare provider or pharmacist. Call your healthcare provider for medical advice about side effects. You may report side effects to the US Food and Drug Administration at 1-800-FDA-1088.