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Drug Safety Bulletin - March 2016

RheumNow is committed to reporting safety issues in our monthly Drug Safety Bulletins, wherein we will update you with reports of new, ongoing and resolved Drug Shortages that will affect rheumatology.   If you have suggestions or information about specific drug shortages or drug safety issues please email us at: info@rheumnow.com .

Reported Drug Shortages as of March 2, 2016

Drug Shortage

Reason for shortage

Estimated Availability

Chloroquine tablets  (250, 500 mg)

Fewer manufacturers. Another has shortage due to 3rd party supply issues.

One of three makers have full supply as of 3/25/16

Epinephrine injection

Product discontinuations, increased demand.

Intermittent backorder

Ketorolac injection (15, 30, 60mg/ml)

Back ordered, increase demand

3 manufacturers have available product as of 3/7/16

Lidocaine injection, 1%, 2% (2 ml, 5 ml, 10 ml vials)

Manufacturing delays, increased demand, supply interruptions

Intermittent availability; projected resolutions for late March or May 2016

Morphine injection (40mg/ml, 80mg/ml)

Unknown, manufacturing delays

Intermittent back order or limited supply; resolution date unknown.

Zolpidem (5 mg, 10 mg tablets)

4 manufacturers; no reason available.

Back order; early-mid April 2016

Source: http://www.ashp.org/DrugShortages/Current       http://www.accessdata.fda.gov/scripts/drugshortages/default.cfm

RESOLVED Shortages: Allopurinol, Azathioprine, Chloroquine, Colchicine, Dexamethasone parenteral, Hydroxychloroquine, Leflunomide.

Drug Safety News

Elderly at Risk for Polypharmacy and Major Drug Interactions.  A cohort study of geriatricians from 2 different time periods showed that polypharmay (>5 drugs) increased from 30.6% to 35.8% and that the risk of a potential major drug-drug interaction significantly increased from  8.4% in 2005-2006 to 15.1% in 2010-2011.  

Safety of Anakinra in Refractory Pericarditis.  Retrospective review from the Mayo Clinic of 13 patients showed that all improved rapidly (within 2-5 days) and 31% injection site reactions were the only safety concern. http://www.ncbi.nlm.nih.gov/pubmed/26279106

The Safety of Belimumab.  Two recent reports have analyzed the cumulative safety of belimumab in lupus. First, an analysis of 987 patients in BEL trials showed that . Nearly 43% of patients withdrew overall; the most common reasons being patient request (17%) or adverse events (8.5%). Drug-related AEs were seen in 43%; including infections/infestations (28%) and gastrointestinal disorders (14%).   The second study, a metanalysis of 4 trials and 4692 patients compared the efficacy and safety of BEL + standard therapy against placebo + standard therapy. They found no difference in serious adverse events between groups.

Disclosures: 
The author has no conflicts of interest to disclose related to this subject

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