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HomeWellnessAgingDoes trazadone have a lower fall risk than antipsychotic drugs for dementia?

Does trazadone have a lower fall risk than antipsychotic drugs for dementia?

Researchers compared the fracture and fall risk in elderly dementia patients taking the antidepressant trazadone or antipsychotic drugs.

In Canada, the prevalence of dementia is 25% in individuals over 85 and around 62% amongst residents in continuing-care facilities. The behavioral and psychological symptoms of dementia are very distressing for patients and their caregivers, with almost half of sufferers displaying aggressive behavior.

Although there is limited evidence of their beneficial effects, doctors frequently prescribe antipsychotic drugs or the antidepressant trazodone to relieve behavioral symptoms in elderly dementia patients. Antipsychotic drugs have side effects in the elderly and are associated with falls and fractures, heart attack and pneumonia.

Trazodone often prescribed for elderly patients with dementia

As trazodone is considered to be a safer alternative, it is increasingly prescribed for dementia patients in Canada. However, studies show that trazodone can also cause side effects in the elderly such as drowsiness, dizziness and low blood pressure, which are risk factors for falls.

Researchers in Ontario, Canada compared the fracture and fall risk in elderly dementia patients taking antipsychotic drugs or trazodone. They recently reported their findings in the Canadian Medical Association Journal.

The researchers used health administrative databases to collect information on dementia patients over 66 years living in long-term care, who were new users of antipsychotics or trazodone between December 2009 and December 2013. They compared the rate of falls or major fractures within 90 days of the first prescription of the drugs.

There were 6,588 patients receiving trazodone and 2,875 receiving antipsychotics. Compared with antipsychotics, trazodone was linked to similar rates of falls and major fractures. However, patients taking trazodone had a lower risk of death than those taking antipsychotics.

Trazadone was linked to a similar fracture and fall risk as antipsychotics

The researchers concluded that trazodone was not a uniformly safer alternative to antipsychotics in elderly dementia patients, as it was linked to a similar fracture and fall risk. Dr. Watt, the lead author, commented, “ We hope this information can be used to inform conversations that patients and caregivers are having with clinicians about the benefits and risks of different treatment options.”

Dr. Watt also emphasized the importance of considering non-drug approaches for managing behavioral problems in older adults with dementia, including behavioral, environmental and caregiver support measures. This could reduce the risk of falling and fractures associated with the side effects of drug treatments.

Written by Julie McShane, Medical Writer

References

  1. Watt JA, Gomes T, Bronskill SE, et al. Comparative risk of harm associated with trazodone or atypical antipsychotic use in older adults with dementia: a retrospective cohort study. CMAJ 2018 November 26;190:E1376-83. Doi:10.1503/cmaj.180551.
  2. Press release. Trazodone associated with similar risk of falls and major fractures as antipsychotics in seniors with dementia. Canadian Medical Association Journal https://www.eurekalert.org/pub_releases/2018-11/cmaj-taw112118.php
Julie Mcshane MA MB BS
Julie Mcshane MA MB BS
Julie studied medicine at the Universities of Cambridge and London, UK. Whilst in medical practice, she developed an interest in medical writing and moved to a career in medical communications. She worked with companies in London and Hong Kong on a wide variety of medical education projects. Originally from Ireland, Julie is now based in Dublin, where she is a freelance medical writer. She enjoys contributing to the Medical News Bulletin to help provide a source of accurate and clear information about the latest developments in medical research.
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