Class: Bone Resorption Inhibitors
VA Class: HS900
Chemical Name: [1-Hydroxy-3-(methylpentylamino)propylidene]diphosphonate trihydrogen sodium monohydrate
Molecular Formula: C9H22NNaO7
CAS Number: 138926-19-9
Uses for Ibandronate Sodium
Prevention of osteoporosis in postmenopausal women.1 Risk factors include premature ovarian failure, family history of osteoporosis, endocrine disorders (e.g., thyrotoxicosis, hyperparathyroidism, Cushing’s syndrome, hyperprolactinemia, insulin-dependent diabetes mellitus), early menopause, previous fracture, high bone turnover, reduced bone mineral density (≥1 standard deviation below premenopausal mean), thin body frame, low body weight, white or Asian race, excessive alcohol intake, treatment with certain drugs (e.g., corticosteroids), low dietary calcium or vitamin D intake, sedentary lifestyle, and cigarette smoking.5 6 8 18 42 43
Ibandronate Sodium Dosage and Administration
Administer orally with a full glass (180–240 mL) of plain water ≥60 minutes prior to the first food, beverage (other than plain water), or other orally administered drug or supplement (including vitamins, antacids, and calcium) of the day.1 4 5 16 (See Food under Pharmacokinetics.)
When administered monthly, take tablets in the morning on the same day each month.1 5 If a monthly dose is missed and the next scheduled dose is more than 7 days away, take the missed dose the next morning after it is remembered and resume the regular schedule.1 5 If the next scheduled dose is 1–7 days away, maintain the regular schedule;1 do not take more than one 150-mg tablet within the same week.1 5
Administer by IV injection once every 3 months by a health-care professional.7
If a dose is missed, reschedule administration with a health-care professional as soon as possible.7 8 Schedule subsequent injections at 3-month intervals; should not be administered more often than once every 3 months.7 8
Take care to avoid intra-arterial or paravenous injection as such administration could result in tissue damage.7
Rate of Administration
Prevention in Postmenopausal WomenOral
Treatment in Postmenopausal WomenOral
2.5 mg once daily or 150 mg once monthly.1
Optimal duration of treatment not established.1 28 Safety and efficacy based on data supporting fracture reduction over 3 years of treatment.1 28 Reevaluate need for continued therapy periodically in all patients receiving bisphosphonates.1 28
3 mg once every 3 months.7
Optimal duration of treatment not established.7 28 Safety and efficacy of IV ibandronate based on data supporting fracture reduction over 1 year of treatment.7 Reevaluate need for continued therapy periodically in all patients receiving bisphosphonates.7 28
Cautions for Ibandronate Sodium
Upper GI Effects
Possible severe adverse esophageal effects (e.g., esophagitis, esophageal ulcers, erosions, strictures, perforation).1 2 (See Oral Administration under Dosage and Administration.) Monitor for any manifestations and discontinue if dysphagia, odynophagia, new or worsening heartburn, or retrosternal pain occurs.1
Use with caution in patients with history of upper GI disease (e.g., Barrett’s esophagus, dysphagia, other esophageal diseases, gastritis, duodenitis, ulcers).1 Gastric and duodenal ulcers (some severe and with complications) reported during postmarketing experience.1
Route of Administration
Injection must be administered IV by a health-care professional; do not administer by non-IV (e.g., intra-arterial) routes.7 (See Administration Risks under Dosage and Administration.)
Like other bisphosphonates, may cause transient decrease in serum calcium concentrations when given IV.7
Osteonecrosis and osteomyelitis of the jaw reported in patients receiving bisphosphonates, usually when given IV.1 7 13 Associated mostly with dental procedures (e.g., tooth extraction) in cancer patients, but some cases occurred in patients with postmenopausal osteoporosis or other diagnoses.1 7 13 Known risk factors include cancer, chemotherapy, radiation therapy, corticosteroids, poor oral hygiene, preexisting dental disease, anemia, coagulopathy, and infection.1 7
In patients requiring dental procedures, no data are available to suggest whether discontinuance of therapy prior to procedure reduces the risk of osteonecrosis of the jaw.1 7 Base management of patients requiring dental treatment on an individual assessment of risks and benefits.1 7
Severe and occasionally incapacitating bone, joint, and/or muscle pain reported infrequently with bisphosphonate therapy.1 5 7 8 18 Time to onset varied from 1 day to years (mean onset about 3 months) after treatment initiation.1 7 8 20 If severe symptoms occur, consider discontinuing drug.1 Such pain generally improves following discontinuance, but may recur upon subsequent rechallenge with the same drug or another bisphosphonate.1 5 7 8 18
Atypical (subtrochanteric or diaphyseal) femur fractures reported rarely with long-term use (>3 years) of bisphosphonates, mostly in patients receiving these drugs for osteoporosis.28 29 30 31 Often occurs with minimal or no trauma, and may be bilateral.26 27 28 30 33 Causality not established; atypical fractures also occur in osteoporotic patients not receiving bisphosphonates.28 29 30 31 Risk may be increased with concomitant use of glucocorticoid, estrogen, and proton-pump inhibitor therapy.30 32 33 35
Evaluate patients who present with new thigh or groin pain for possibility of an atypical femoral fracture; include assessment of the contralateral limb.26 27 28 30 Consider interruption of bisphosphonate therapy in patients with manifestations of possible femoral fracture; weigh risks versus benefits of continued treatment.26 27 30 Discontinue if a femoral shaft fracture is confirmed.28 29 30
Although data are conflicting, possible increased risk of atrial fibrillation with use of bisphosphonates.21 22 23 24 FDA analysis of data from long-term (6 months to 3 years) controlled trials identified a higher rate of atrial fibrillation in patients receiving bisphosphonates (alendronate, ibandronate, risedronate, or zoledronic acid) versus placebo; however, only a few events reported in each study.23 FDA is continuing to monitor this safety concern.23
Potential Risk of Esophageal Cancer
Some evidence (from postmarketing experience and observational studies) suggests a possible association between use of oral bisphosphonates and an increased risk of esophageal cancer.25 36 37 However, because of conflicting data,37 38 39 additional study needed to confirm such findings.36
FDA states that benefits of oral bisphosphonates continue to outweigh their potential risks in patients with osteoporosis; it is important to consider that esophageal cancer is rare, especially in women.36 37
Avoidance of oral bisphosphonates in patients with Barrett’s esophagus, a known precursor to esophageal adenocarcinoma, has been recommended.25
Possible renal toxicity (e.g., deterioration of renal function and, rarely, renal failure) with bisphosphonates.7 12 Risk may be greater in patients with coexisting conditions associated with renal impairment, concomitant therapy with other nephrotoxic drugs, preexisting renal disease, dehydration, dosage, infusion volume and rate, and multiple cycles of treatment.4 7 8 9 10 11
Common Adverse Effects
Oral: Upper respiratory infection,1 back pain,1 dyspepsia,1 2 5 bronchitis,1 pain in the extremities,1 5 abdominal pain,1 diarrhea,1 5 headache,1 hypertension,1 pneumonia,1 myalgia,1 arthralgia,1 urinary tract infection,1 nausea.1
Interactions for Ibandronate Sodium
Antacids or Mineral Supplements Containing Divalent Cations
Pharmacokinetic interaction (decreased absorption of ibandronate) when tablets are used concomitantly with antacids or mineral supplements containing divalent cations (e.g., aluminum, calcium, magnesium, iron).1 5 44 Administer tablets ≥60 minutes prior to such drugs or supplements.1 5
Drugs Affecting Hepatic Microsomal Enzymes
Pharmacokinetic interactions unlikely.1
Drugs Excreted through Renal Tubular Transport
Specific Drugs and Tests
Histamine H2-receptor antagonists
Pharmacokinetic interaction unlikely with IV ibandronate7
No evidence of increased adverse upper GI effects1
Use concomitantly with caution1
Pharmacokinetic interaction unlikely with IV ibandronate7
Ibandronate Sodium Pharmacokinetics
Biochemical markers of bone turnover returned to baseline ≥12 months after treatment discontinuance.44
Bioavailability decreased by 90% when administered with a standard breakfast compared with administration under fasting conditions.1 Bioavailability and effect on BMD reduced when food and beverages taken <60 minutes following oral administration.1
In patients with renal impairment (Clcr 40–70 mL/minute), AUC is increased by 55% compared with that in patients with normal renal function (Clcr >90 mL/minute).7 Patients with severe renal impairment (Clcr <30 mL/minute) had >2-fold increase in AUC compared with exposure for healthy individuals.7 44
Plasma Protein Binding
Apparent oral terminal half-life is 37–157 hours; dose-dependent.1
Apparent IV terminal half-life is 4.6–25.5 hours; dose-dependent.7
25°C (may be exposed to 15–30°C).1
25°C (may be exposed to 15–30°C).7
For information on systemic interactions resulting from concomitant use, see Interactions.
Do not admix with calcium-containing solutions or other IV drugs.7
Advice to Patients
Importance of correct oral administration (e.g., avoiding foods and beverages other than plain water [including mineral water] prior to administration, not lying down for ≥60 minutes following administration).1 5 18 (See GI Effects under Cautions.)
Importance of discontinuing oral ibandronate and informing clinician if symptoms of esophageal disease (e.g., new or worsening dysphagia, difficulty or pain on swallowing, retrosternal pain, heartburn) develop.1 5
Importance of informing clinicians of existing or contemplated concomitant therapy, including prescription and OTC drugs (vitamins, supplements, antacids), as well as any concomitant illnesses (e.g., preexisting dysphagia, esophageal disorders, renal impairment).1 5 8
Importance of advising patients of other important precautionary information.1 (See Cautions.)
Excipients in commercially available drug preparations may have clinically important effects in some individuals; consult specific product labeling for details.
2.5 mg (of ibandronate)
Boniva (with povidone)
Roche (also promoted by GlaxoSmithKline)
150 mg (of ibandronate)
Boniva (with povidone)
Roche (also promoted by GlaxoSmithKline)
Injection, for IV use only
1 mg (of ibandronate) per mL
Boniva (available in prefilled syringe with needle and swabs)
Roche (also promoted by GlaxoSmithKline)
This pricing information is subject to change at the sole discretion of DS Pharmacy. This pricing information was updated 02/2013. Actual costs to patients will vary depending on the use of specific retail or mail-order locations and health insurance copays.
Boniva 150MG Tablets (GENENTECH): 1/$134.99 or 3/$387.98
Boniva 3MG/3ML Solution (GENENTECH): 3/$473.97 or 9/$1,340.03
This report on medications is for your information only, and is not considered individual patient advice. Because of the changing nature of drug information, please consult your physician or pharmacist about specific clinical use.
The American Society of Health-System Pharmacists, Inc. and Drugs.com represent that the information provided hereunder was formulated with a reasonable standard of care, and in conformity with professional standards in the field. The American Society of Health-System Pharmacists, Inc. and Drugs.com make no representations or warranties, express or implied, including, but not limited to, any implied warranty of merchantability and/or fitness for a particular purpose, with respect to such information and specifically disclaims all such warranties. Users are advised that decisions regarding drug therapy are complex medical decisions requiring the independent, informed decision of an appropriate health care professional, and the information is provided for informational purposes only. The entire monograph for a drug should be reviewed for a thorough understanding of the drug's actions, uses and side effects. The American Society of Health-System Pharmacists, Inc. and Drugs.com do not endorse or recommend the use of any drug. The information is not a substitute for medical care.
AHFS Drug Information. © Copyright, 1959-2013, Selected Revisions March 14, 2012. American Society of Health-System Pharmacists, Inc., 7272 Wisconsin Avenue, Bethesda, Maryland 20814.
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7. Roche Pharmaceuticals. Boniva (ibandronate sodium) injection prescribing information. Nutley, NJ; 2011 May.
8. Roche Pharmaceuticals. Boniva (ibandronate sodium) injection patient information. Nutley, NJ; 2011 May.
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24. Novartis. Zoledronic acid (Reclast) injection prescribing information. East Hanover, NJ. 2008 Jun.
25. Wysowski DK. Reports of esophageal cancer with oral bisphosphonate use. N Engl J Med. 2009; 360:89-90. Letter. [PubMed 19118315]
26. Food and Drug Administration. Boniva (ibandronate sodium) tablets [2010 Oct 13: Hoffman-LaRoche]. Safety labeling change and REMS notification. Silver Spring, MD; 2010 Oct 13). From FDA web site. ().
27. Food and Drug Administration. Boniva (ibandronate sodium) injection [2010 Oct 13: Hoffman-LaRoche]. Safety labeling change and REMS notification. Silver Spring, MD; 2010 Oct 13. From FDA web site. ().
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34. Sellmeyer DE. Atypical fractures as a potential complication of long-term bisphosphonate therapy. JAMA. 2010; 304:1480-4. [PubMed 20924014]
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40. Abrahamsen B, et al. The risk of oesophageal and cancer incidence and mortality in alendronate users: a national cohort study. Presented at the 3rd Joint Meeting of the European Calcified Tissue Society and the International Bone and Mineral Society. Athens, Greece: May 10, 2011. Abstract No. 0C29.
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