ICU sedation, delirium & recovery

Understanding the Unique Ethical Challenges in Randomized Controlled Trials of Delirium Interventions for Older Adults: A Rapid Review

Anesth AnalgPublished Rapid review of randomised controlled trials

Study context

Population
RCTs of delirium interventions in older adults, published 2020 to 2023 (PubMed, CINAHL, English language)RCTs (11 published protocols)
Participants
51 participants
Comparison
Trials with fuller vs little to no reporting of ethical processes
  • Fuller reportingn = 16
  • Little to no reportingn = 19reference
Primary endpoint
Reporting of key ethical processes for older adults (approval, recruitment, consent, retention)

Primary result

As reported in the abstract

Full reporting of ethical processes (proportion of 51 RCTs)
Who provided consent
88%
Consent approach
88%
Ethical approval details
63%
Safety assessments
59%
How, where and when participants were recruited
49%
Who recruited participants
31%
Who obtained consent
22%
How trial information was provided
27%
Capacity assessed prior to consent
10%
How participants were supported through trial design or processes
18%
In-trial communications
8%

Further findings

Separately published protocol

P < 0.001

Conducted outside of China

P < 0.001

Median

OutcomeFuller reportingLittle to no reportingP value
Consent rate56%96%P < 0.01
Retention rate89%96%P < 0.05

Original publication

Understanding the Unique Ethical Challenges in Randomized Controlled Trials of Delirium Interventions for Older Adults: A Rapid Review. Anesth Analg. Published 16 February 2026. doi:10.1213/ane.0000000000007930

Composed by AI from the published abstract and checked against it. How Briefs are made →

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