Boniva vs. Evenity
See how Boniva and Evenity compare on approved uses, dosing, side effects, and cost.
Key Takeaways
Boniva is a once-monthly oral bisphosphonate that slows bone breakdown, while Evenity is a once-monthly injectable that both builds new bone and slows its breakdown.
Evenity carries a boxed warning for heart attack, stroke, and cardiovascular death, a risk Boniva does not carry.
Evenity is limited to 12 doses in a lifetime and needs follow-up therapy afterward, while Boniva can be continued indefinitely if it's working.
Boniva vs. Evenity Drug Summary
Boniva
Boniva is a bisphosphonate that slows the cells that break down bone, used to treat and prevent osteoporosis in postmenopausal women. It's taken as a once-monthly oral tablet on an empty stomach, followed by 60 minutes upright to avoid esophageal irritation.
Evenity
Evenity is a sclerostin inhibitor that builds new bone while also slowing bone breakdown, approved for postmenopausal women at high risk for fracture. It's given as two once-monthly subcutaneous injections, for a maximum of 12 months total.
Boniva vs. Evenity Side Effects
Boniva
Evenity
Boniva vs. Evenity Dosage
Boniva
Evenity
| STAGE | DOSE | WHEN |
| Starting dose | 150 mg once monthly | At the start |
| Maximum dose | 150 mg once monthly | Same as starting |
| Dose changes | None | Fixed dose |
| STAGE | DOSE | WHEN |
| Starting dose | 210 mg once monthly | At the start |
| Maximum dose | 210 mg once monthly | Same as starting |
| Dose changes | None | Fixed dose |
Boniva
| STAGE | DOSE | WHEN |
| Starting dose | 150 mg once monthly | At the start |
| Maximum dose | 150 mg once monthly | Same as starting |
| Dose changes | None | Fixed dose |
Evenity
| STAGE | DOSE | WHEN |
| Starting dose | 210 mg once monthly | At the start |
| Maximum dose | 210 mg once monthly | Same as starting |
| Dose changes | None | Fixed dose |
Boniva vs. Evenity Indications
Boniva
Boniva treats and prevents osteoporosis in postmenopausal women by slowing the breakdown of existing bone. It is not approved for men or for pediatric use, and its main goal is preventing fractures by preserving current bone density.
Postmenopausal osteoporosis treatment
Postmenopausal osteoporosis prevention
Not approved for men
Not approved for pediatric use
Evenity
Evenity treats osteoporosis in postmenopausal women who are at high risk for fracture, building new bone while also slowing bone loss. It is not approved for men, premenopausal women, or women of reproductive potential.
Postmenopausal osteoporosis at high fracture risk
Not approved for men
Not approved for premenopausal women
Not approved for women of reproductive potential
Boniva vs. Evenity Pros and Cons
Boniva
Boniva has a long track record as an oral bisphosphonate, with once-monthly dosing that's simpler than daily or weekly pills. It carries known bisphosphonate risks like esophageal irritation and rare atypical fractures, and it must be dosed carefully in patients with kidney problems.
Pros
Oral tablet, no injection needed
Only once-monthly oral bisphosphonate option
No cardiovascular boxed warning
Cons
Must sit upright for 60 minutes after dosing
Not recommended in severe renal impairment
Slows bone loss but doesn't build new bone
Osteonecrosis of the jaw risk with long-term use
Evenity
Evenity offers a unique dual action that both builds new bone and slows its breakdown, useful for women at high fracture risk. It carries a boxed warning for cardiovascular events and is limited to a one-year course, after which another therapy is needed to maintain the gains.
Pros
Builds new bone, not just slows its loss
May raise bone density faster than bisphosphonates
Only two injections needed per month
Cons
Boxed warning for heart attack, stroke, and death
Not for use within a year of MI or stroke
Limited to 12 doses in a lifetime
Requires follow-up therapy after treatment ends
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