Actonel vs. Prolia

See how Actonel and Prolia compare on approved uses, dosing, side effects, and cost.

Key Takeaways

  • Actonel is a daily, weekly, or monthly pill, while Prolia is a twice-yearly injection given by a healthcare provider.

  • Prolia carries a boxed warning for severe hypocalcemia in advanced kidney disease, and stopping it without follow-up treatment can raise vertebral fracture risk.

  • Actonel requires strict rules around food, water, and staying upright, while Prolia has no such timing requirements but must be given in a clinical setting.

Actonel vs. Prolia Drug Summary

Actonel

Actonel is an oral bisphosphonate used to treat and prevent osteoporosis in postmenopausal women and men, as well as glucocorticoid-induced osteoporosis and Paget's disease of bone. It slows the cells that break down bone and comes in daily, weekly, twice-monthly, or monthly tablet options.

Prolia

Prolia is a RANKL inhibitor, a type of monoclonal antibody, given as a twice-yearly injection for osteoporosis in postmenopausal women and men at high fracture risk. It also treats glucocorticoid-induced osteoporosis and helps preserve bone in people on cancer therapies that weaken bone.

Actonel vs. Prolia Side Effects

Actonel

Most common
pain in extremity (up to 21%)
back pain (up to 17%)
headache (up to 20%)
generalized pain (up to 15%)

Prolia

Most common
pain in extremity (up to 11.4%)
back pain (up to 34.1%)
musculoskeletal pain (up to 7.4%)
hypercholesterolemia (up to 7.2%)

Actonel vs. Prolia Dosage

Actonel

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 5 mg once daily At the start
Maximum dose 150 mg once monthly If needed
Dose changes 4 increases As tolerated

Prolia

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 60 mg subcutaneous At the start
Maximum dose 60 mg subcutaneous Same as starting
Dose changes None Fixed dose

Actonel vs. Prolia Indications

Actonel

Actonel is FDA-approved to treat and prevent osteoporosis in postmenopausal women, increase bone mass in men with osteoporosis, and manage glucocorticoid-induced bone loss. It is also one of the few bisphosphonates approved for Paget's disease of bone.

  • Treatment and prevention of postmenopausal osteoporosis

  • Increase bone mass in men with osteoporosis

  • Treatment and prevention of glucocorticoid-induced osteoporosis

  • Treatment of Paget's disease of bone

Prolia

Prolia is FDA-approved for postmenopausal and male osteoporosis at high fracture risk, as well as glucocorticoid-induced osteoporosis. It is also approved to protect bone in people receiving hormone-suppressing therapy for prostate or breast cancer.

  • Postmenopausal osteoporosis at high fracture risk

  • Increase bone mass in men with osteoporosis at high risk

  • Glucocorticoid-induced osteoporosis at high risk

  • Bone mass increase in men on prostate cancer ADT

Actonel vs. Prolia Pros and Cons

Actonel

Actonel offers flexible dosing options and decades of real-world use, but it requires strict timing around food and water and carries some GI risks. Generic risedronate has made it a longstanding, well-studied option for many types of osteoporosis.

Pros

  • Available in daily, weekly, or monthly tablets

  • Long track record since its 1998 approval

  • One of few bisphosphonates approved for Paget's disease

  • Can be taken at home without a clinic visit

Cons

  • Must stay upright for 30 minutes after each dose

  • Not recommended in severe kidney impairment

  • Requires precise timing with food and water

  • Daily or weekly regimens are easy to forget

Prolia

Prolia's twice-a-year injection removes the daily pill burden and can be used in patients who cannot tolerate bisphosphonates. It carries a boxed warning for severe hypocalcemia and requires follow-up therapy after stopping to avoid rebound fractures.

Pros

  • Only two doses needed per year

  • Option for patients with reduced kidney function

  • Approved for bone loss from cancer hormone therapies

  • No food or water timing restrictions

Cons

  • Boxed warning for severe hypocalcemia in kidney disease

  • Must be administered by a healthcare professional

  • Stopping without follow-up raises fracture risk

  • Contraindicated in pregnancy

Common Symptoms and Related Diseases You Can Explore

Explore a range of common symptoms the Doctronic Symptom Checker can help you understand.