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Published on: January 7, 2019
Treatments for vascular depression in older adults: A systematic review
Bernardo Flôr-Rodrigues1, Sofiene Ben Aissa2, David Miranda1
1Faculty of Medicine, University of Coimbra, Coimbra, Portugal.
Insights
Evidence for treating vascular depression (VaD) in older adults is limited. While some pharmacological and neuromodulation treatments show promise, more large-scale studies are needed for effective guidelines.
Area of Science:
- Geriatric Psychiatry
- Neurology
- Clinical Pharmacology
Background:
- Vascular depression (VaD) is a late-life depression subtype linked to cerebrovascular disease, cognitive decline, and poor antidepressant response.
- It increases dementia risk, yet lacks specific treatment guidelines.
- Current understanding necessitates a review of available interventions.
Purpose of the Study:
- To systematically review randomized controlled trials (RCTs) evaluating pharmacological and non-pharmacological interventions for VaD in older adults.
- To assess the clinical efficacy of these treatments.
Main Methods:
- Systematic search of major databases (MEDLINE, EMBASE, Web of Science) and clinical trial registries.
- Inclusion of 8 RCTs focusing on late-life VaD patients.
- Interventions included tandospirone, nimodipine, repetitive transcranial magnetic stimulation (rTMS), and transcranial direct current stimulation (tDCS).
Main Results:
- Tandospirone augmentation showed faster early symptom improvement in most trials.
- Nimodipine improved remission and reduced recurrence in some trials.
- Neuromodulation techniques demonstrated potential antidepressant and cognitive benefits, but evidence quality was low to very low due to study limitations.
Conclusions:
- Current evidence for VaD treatments is limited and of low certainty.
- There is a critical need for large, well-designed RCTs.
- Integrated approaches combining vascular risk management with targeted therapies are recommended.
Background:
Vascular depression (VaD) is a subtype of late-life depression (LLD) associated with cerebrovascular disease, cognitive impairment, and poor response to standard antidepressants. Despite its clinical relevance and association with increased risk of dementia, no specific treatment guidelines currently exist.
Objectives:
To systematically review randomised controlled trials (RCTs) on the clinical efficacy of pharmacological and non-pharmacological interventions for VaD in older adults.
Methods:
A systematic search of MEDLINE, EMBASE, Web of Science and ClinicalTrials.gov registry identified 7994 records, of which 8 RCTs met inclusion criteria. Studies included participants with late-life VaD. Interventions comprised pharmacological treatments (augmentation with tandospirone and nimodipine) and neuromodulation techniques (rTMS and tDCS). Outcomes included treatment response and remission, change in depressive symptoms, and other clinical outcomes.
Results:
Augmentation with tandospirone was associated with faster early symptom improvement in three of four trials. Nimodipine improved remission at 2 months and reduced recurrence in one of two trials. Neuromodulation interventions showed promising antidepressant effects and cognitive benefits (based on two trials). Treatments were generally well tolerated. However, study heterogeneity, small sample sizes, and short follow-up durations limited comparability and precluded meta-analysis. The overall certainty of evidence was low to very low.
Conclusions:
Evidence on treatment for VaD remains limited, highlighting the need for large, well-designed RCTs and integrated approaches combining vascular risk management with targeted therapies.
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