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Discussing Study Visits with Shift Workers

Shift work can affect sleep and recovery as much as appointment availability.

Representative research photograph: Discussing Study Visits with Shift Workers
Photo: National Institute for Occupational Safety and Health (NIOSH) from USA · License: Public domain · Cropped and resized.
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Shift work can affect sleep and recovery as much as appointment availability. When arranging visits, understanding the person’s actual daily routine is more helpful than treating employment hours as a simple scheduling checkbox. Informing an employer should not be an automatic study step.

Define the workflow

A coordinator can explain available appointment windows but cannot alter protocol timing or preparation conditions. Questions involving fatigue or clinical preparation should go to the investigator. If an attendance letter is needed, consider a suitable route that avoids unnecessary disclosure of research participation.

Worked example

For example, someone finishing a night shift initially prefers an early appointment but has not considered a lengthy observation period. Staff review the total day together. If a better option is unavailable, explain that clearly. Taking leave from work does not itself guarantee acceptance into the study.

Practical checks

  • Consider travel, recovery and waiting time alongside the individual’s working hours.
  • Do not change or reinterpret clinical preparation conditions simply to make scheduling easier.
  • Agree the scope of any employer-facing information through the person’s preferences and appropriate process.

Decision and boundaries

Success means an honest understanding of appointment burden, rather than filling every available slot. Establish a contact route for late shift changes. Staff should not require candidates to disclose study details to an employer. Available support and unresolved barriers can be reviewed appropriately with the investigator.

Frequently asked questions

Can every site offer evening visits?
No. Confirm staffing, facilities, safety and protocol conditions before promising appointments outside the centre’s usual hours.
Should someone skip a visit after a shift change?
They should contact the site so the investigator and authorized team can determine the appropriate next step under study conditions.

Sources

  1. EMA — ICH E6 Good Clinical Practice
  2. WHO — Guidance for best practices for clinical trials