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Lockdowns linked to delayed diabetic foot care and more amputations?

NCT ID NCT04891276

Knowledge-focused Sponsor: Centre Hospitalier Universitaire Dijon Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether COVID-19 lockdowns caused delays in treating diabetic foot ulcers, leading to more amputations. Researchers analyzed hospital records from millions of diabetic patients in France between 2017 and 2020. They compared amputation rates during and after lockdown to previous years to see if the pandemic disrupted care.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If confirmed, this could show that lockdowns worsened diabetic foot outcomes, guiding future pandemic planning to protect vulnerable patients.
What could go wrong
This is an observational study using existing data, so it cannot prove cause and effect. Other factors may have influenced amputation rates.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

3,300,000 people

The number who actually took part.

Started

Oct 2020

Finished

Apr 2021

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Diabetic subjects with hospital stays in France, 2017 to 2020.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: Diabetic subjects with hospital stays in France, 2017 to 2020. Exclusion Criteria: Absence of diabetes

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Conditions

The condition(s) this trial relates to.

diabetes mellitus

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Diabetic subjects with hospital stays

Contacts and locations

Locations

  • Chu Dijon Bourogne

    Dijon, 21000, France