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ibandronate

First FDA approval 05/16/2003: 23 years on the US market.

This grade answers one narrow question: how strong is the public evidence and safety record behind this drug, and how clean is its money trail and court record? It is not a verdict on whether the drug is right for you.

B

Score breakdown (82/100)

Safety ×35%
A
Evidence ×25%
F
Regulatory ×15%
A
Money & lawsuits ×15%
A
Options ×10%
C

Safety: 100

Evidence: 44

Regulatory history: 95

Money & lawsuits: 100

Options: 70

What the FDA label says

Approved uses

Ibandronate sodium tablet is a bisphosphonate indicated for the treatment and prevention of postmenopausal osteoporosis. ( 1.1 ). Limitations of Use The optimal duration of use has not been determined. For patients at low -risk for fracture, consider drug discontinuation after 3 to 5 years of use. ( 1.2 ). 1.1 Treatment and Prevention of Postmenopausal Osteoporosis Ibandronate sodium tablets are indicated for the treatment and prevention of osteoporosis in postmenopausal women. Ibandronate sodium increases bone mineral density (BMD) and reduces the incidence of vertebral fractures. 1.2 Important Limitations of Use Theoptimalduration of use has not been determined. The safety and effectiveness of ibandronate sodium tablets for the treatment of osteoporosis are based on clinical data of three years duration. All patients on bisphosphonate therapy should have the need for continued therapy re-evaluated on a periodic basis. Patients at low-risk for fracture should be considered for drug discontinuation after 3 to 5 years of use. Patients who discontinue therapy should have their risk for fracture re-evaluated periodically.

Contraindications

Ibandronate sodium tablets are contraindicated in patients with the following conditions: Abnormalities of the esophagus which delay esophageal emptying such as stricture or achalasia (see Warnings and Precautions [5.1] ) Inability to stand or sit upright for at least 60 minutes ( see Dosage and Administration [2.2] , and Warnings and Precautions [5.1] ) Hypocalcemia ( see Warnings and Precautions [5.2 ] ) Known hypersensitivity to ibandronate sodium tablets or to any of its excipients. Cases of anaphylaxis have been reported ( see Adverse Reactions [6.2] ). Abnormalities of the esophagus which delay esophageal emptying such as stricture or achalasia ( 4 , 5.1 ) Inability to stand or sit upright for at least 60 minutes ( 4 , 5.1 ) Hypocalcemia ( 4 ) Hypersensitivity to ibandronate sodium tablets ( 4 )

Warnings and precautions

Upper gastrointestinal Adverse Reactions can occur. Instruct patients to follow dosing instructions and discontinue use if new or worsening symptoms occur. ( 5.1 ) Hypocalcemia may worsen during treatment. Correct hypocalcemia before use. ( 5.2 ) Severe Bone, Joint, and Muscle Pain may occur. Consider discontinuing use if symptoms develop. ( 5.3 ) Osteonecrosis of the Jaw has been reported. ( 5.4 ) Atypical Fractures including Femoral Fractures have been reported. Patients with new thigh or groin pain should be evaluated to rule out a femoral fracture. Risk/benefit of continuing bisphosphonate therapy should be re-evaluated in these patients and interruption of bisphosphonate therapy should be considered. ( 5.5 ) 5.1 Upper Gastrointestinal Adverse Reactions Ibandronate sodium tablets, like other bisphosphonates administered orally, may cause local irritation of the upper gastrointestinal mucosa. Because of these possible irritant effects and a potential for worsening of the underlying disease, caution should be used when ibandronate sodium tablets are given to patients with active upper gastrointestinal problems (such as known Barrett's esophagus, dysphagia, other esophageal diseas...

Adverse reactions (label)

The following clinically significant adverse drug reactions are described elsewhere in the labeling: Upper Gastrointestinal Adverse Reactions [see Warnings and Precautions ( 5.1 )] Hypocalcemia and Mineral Metabolism [see Warnings and Precautions ( 5.2 )] Musculoskeletal [see Warnings and Precautions ( 5.3 )] Jaw Osteonecrosis [see Warnings and Precautions ( 5.4 )] Atypical Fractures Including Femoral Fractures [see Warnings and Precautions ( 5.5 )] Severe Renal Impairment [see Warnings and Precautions ( 5.6 )] The most common adverse reactions (greater than 5%) are back pain, dyspepsia, pain in extremity, diarrhea, headache, and myalgia. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Apotex Corp. at 1-800-706-5575 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Treatment and Prevention of Postmenopausal Osteoporosis Daily Dosing The safety of ibandronate sodium tablets 2.5 mg once da...

Recent major label changes

RECENT MAJOR CHANGES Warnings and Precautions, Atypical Fractures Including Femoral Fractures ( 5.5 ) 10/2025

Source: FDA SPL label for IBANDRONATE SODIUM (Golden State Medical Supply, Inc.), effective 20260219. Full label on DailyMed.

Side-effect reports sent to the FDA

These are counts of reports people filed, not rates of harm. Anyone can file one, and nobody checks whether the drug was the cause. Millions of doses are taken for every report sent, so the useful part is how this drug compares with the average across all drugs.

14,665reports that mention this drug
14,660of those blame this drug, not another one the person was taking
45%of reports describe a serious outcome, such as a hospital stay (average for all drugs: 57%)
4.0%of reports include a death, from any cause (average for all drugs: 9.1%)

Problems reported most often

Arthralgia · 1,174Femur Fracture · 1,042Pain · 984Pain In Extremity · 863Back Pain · 825Diarrhoea · 801Nausea · 754Fall · 715Myalgia · 682Headache · 657Fatigue · 581Anxiety · 536Low Turnover Osteopathy · 522Bone Pain · 499Dizziness · 491

Reports per year

20192020202120222023202420252026
1,014747524536425380374185

1,090 reports blaming this drug for every million Medicare prescriptions filled, which is 0.4× the typical drug on this site. (936 reports in 2024–2026, against 858,931 Medicare fills in one year. This is the one number here that accounts for how many people take the drug.)

Source: the FDA's Adverse Event Reporting System (FAERS). Reports are voluntary and unverified. Drugs that are prescribed a lot, in the news, or in lawsuits attract more reports, so the percentages are compared with the whole database to correct for that partly, not fully.

Recalls and regulatory record

0recall actions on file
2 / 16brand / generic applications
1label changes since 2021
NoREMS program

Evidence base

122randomized trials (PubMed)
14systematic reviews
88registered trials
32%of completed trials posted results
11%terminated or withdrawn
64%industry-funded

Counts measure how much evidence exists and how transparent it is, not how big the benefit is. For that, ask your prescriber: if 100 people like me took this, how many would get better because of it, and how many would be harmed? (Doctors call these the "number needed to treat" and "number needed to harm.") It differs by condition and is the number drug ads leave out. Sources: PubMed, ClinicalTrials.gov.

Money and lawsuits

In 2024, drug companies reported $0 in payments to US physicians and hospitals tied to this drug across 0 transactions.

No pending federal MDL names this drug or its brands.

Not named in any federal pharmaceutical settlement of $100M or more on record.

Sources: CMS Open Payments (Sunshine Act); Judicial Panel on Multidistrict Litigation pending docket list; DOJ settlements as tabulated on Wikipedia with links to the primary record. State-court and individual suits are not included.

Who takes it and what it costs

260,911Medicare Part D patients (2024)
858,931prescriptions filled
$30average cost per fill
$25Mtotal Medicare spend

Same-class alternatives

No same-class alternatives found in RxClass.

Questions to ask your prescriber

  1. The most-reported problems in FDA's adverse event data are arthralgia, femur fracture, pain, pain in extremity. How would we recognize and handle those?
  2. What result are we expecting, by when, and what is the plan if it does not happen?
  3. If 100 people like me took this drug, how many would actually get better because of it, and how many would be harmed by it? (Doctors call these the number needed to treat and the number needed to harm.)