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NPS Approved Products

NPS Pharmaceuticals is a company with a passionate commitment to providing therapies for people with rare disorders.

Our focus is on the development of innovative therapies for people with unmet medical needs, and we believe that these therapies should be accessible to patients who can benefit from them.

NPS Advantage was created to help patients connect to care and access the therapies their doctors prescribe. We work with physicians, nurses, specialty pharmacies and patients, offering personalized, ongoing support to ensure access to treatment.

What is NATPARA?

  • NATPARA is a prescription parathyroid hormone (PTH) used with calcium and vitamin D to control low blood calcium (hypocalcemia) in people with low PTH blood levels (hypoparathyroidism).
  • NATPARA is only for people who do not respond well to treatment with calcium and active forms of vitamin D alone, because it may increase the possible risk of bone cancer (osteosarcoma).
  • NATPARA was not studied in people with hypoparathyroidism caused by calcium sensing receptor mutations.
  • NATPARA was not studied in people who get sudden hypoparathyroidism after surgery.
  • It is not known if NATPARA is safe and effective for children 18 years of age and younger. NATPARA should not be used in children and young adults whose bones are still growing.

Important Safety Information

What is the most important information I should know about NATPARA?

NATPARA may cause serious side effects, including:
Possible bone cancer (osteosarcoma).

  • During animal drug testing, NATPARA caused some rats to develop a bone cancer called osteosarcoma. It is not known if people who take NATPARA will have a higher chance of getting osteosarcoma.
  • NATPARA is only available through the NATPARA Risk Evaluation and Mitigation Strategy (REMS) Program. The purpose of the NATPARA REMS program is to inform patients about the potential risk of osteosarcoma associated with the use of NAPTARA. For more information about this REMS program, call 1-855-628-7272 or go to www.NATPARAREMS.com.

High blood calcium (hypercalcemia)

  • NATPARA can cause some people to have a higher blood calcium level than normal.
    • Your doctor should check your blood calcium before you start and during your treatment with NATPARA
    • Tell your doctor if you have nausea, vomiting, constipation, low energy, or muscle weakness. These may be signs that you have too much calcium in your blood.

Low blood calcium (hypocalcemia)

  • People who stop using or miss a dose of NATPARA may have an increased risk of severe low blood calcium levels
  • Tell your doctor if you have tingling of your lips, tongue, fingers and feet, twitching of face muscles, cramping of feet and hands, seizures, depression, or have problems thinking or remembering.

Tell your doctor right away if you have any of these signs and symptoms of high or low blood calcium levels.

Tell your doctor about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

What are the most common side effects of NATPARA?

The most common side effects of NATPARA include

  • Tingling, tickling, or a burning feeling of your skin (paresthesia), headache and nausea

These are not all the possible side effects of NATPARA. For more information, ask your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the NPS Adverse Event/Product Complaint Line at 1-855-215-5550 or by calling the Food and Drug Administration (FDA) at 1-800-FDA-1088 or www.fda.gov/medwatch.

Please see full Prescribing Information.