What happens when you stop Evenity?
Within months of stopping Evenity (romosozumab), its effects on bone formation and resorption will diminish. Studies suggest that if you stop taking Evenity after three months, it can stay in the body for about 2 months. However, it can take up to 12 months for P1NP and CTX levels to return to what they were before you started treatment.
Do not stop taking Evenity without speaking with your healthcare provider. Doing so can put you at risk for fractures.
What is Evenity used for?
Evenity is an injectable medication that may be used to treat osteoporosis in postmenopausal women at high risk for fracture. This includes women with a history of fracture due to osteoporosis or who have multiple risk factors for fracture. It is only approved for use up to 12 months.
How does Evenity work?
Evenity is a sclerostin inhibitor. Sclerostin is a protein that stops bone formation. By blocking sclerostin, Evenity promotes bone formation and decreases bone resorption. Studies show that Evenity increases the bone formation marker called procollagen type 1 N-telopeptide (P1NP). It also decreases the bone resorption marker type 1 collagen C-telopeptide (CTX).
What is the half-life of Evenity?
After receiving three doses of Evenity (one dose of 3 mg/kg per month for three months in a row), the half-life is 12.8 days. This means that at 12.8 days, 50% of the maximum concentration of Evenity in the body is eliminated.
Talk to your healthcare provider if you need to stop taking Evenity. They can recommend other treatment options to keep your bones healthy and prevent fractures.
References
Evenity [package insert]. Updated April 2024. Amgen Inc. Accessed July 22, 2024 at https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=471baba2-7154-4488-9891-0db2f46791e7
Krupa, K. N., et. al. Updated January 2023. Romosozumab. In: StatPearls [Internet]. Accessed July 22, 2024 at https://www.ncbi.nlm.nih.gov/books/NBK585139/
MedlinePlus [Internet]. Bethesda (MD): National Library of Medicine (US); [Updated June 2009]. SOST gene. Accessed July 22, 2024 at https://medlineplus.gov/genetics/gene/sost/
Read next
Does Evenity cause dental problems?
Evenity (romosozumab) can rarely cause osteonecrosis of the jaw (ONJ), a rare but serious side effect. This condition occurs when there is loss of blood supply to the jaw. As a result, the jawbone is exposed and bone cells die. Continue reading
How does Evenity work?
Evenity (romosozumab-aqqg) is a humanized monoclonal antibody that works by inhibiting the activity of sclerostin, which is a small protein found in osteocytes. It increases bone formation and reduces bone loss. Continue reading
How does teriparatide (Forteo) work?
Teriparatide (Forteo), is a synthetic form of parathyroid hormone - a hormone produced naturally by the body which helps maintain blood levels of calcium within a very tight range; which in turn controls calcium levels within bone - determining how strong and dense the bones are. Continue reading
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Drug information
- Evenity Information for Consumers
- Evenity prescribing info & package insert (for Health Professionals)
- Side Effects of Evenity (detailed)
Related support groups
- Evenity (5 questions, 5 members)
- Osteoporosis (67 questions, 280 members)