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How Ageing Affects Older People Living With Type 1 Diabetes

Studies how people with type 1 diabetes age and stay well.

Key facts

Who runs it
Helsinki University Central Hospital
Where
Helsinki, FinlandSee the site
Trial code
Registry title
FinnDiane LifeOne Study - Impact of Ageing on People With Type 1 Diabetes
Status
Enrolling by invitation
People taking part
400 people, planned
Started
29 Jan 2024
Expected to end
31 Dec 2030
Type of study
Observational, 2 groups
Record updated
24 December 2025

Who can take part

AI summary

From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.

The trial is looking for people with type 1 diabetes who are over 65 and already take part in the Finnish Diabetic Nephropathy Study. It looks at how they age.

Age
Over 65 years (minimum age 65 Years)
Sex
All sexes can join.
Disease stage
Type 1 diabetes. No stage is given.

Main reasons for not taking part

  • Age below 65 years

The registry criteria, word for word

Show all 5 criteriaShow less

Who can take part

  • Participants of the Finnish Diabetic Nephropathy Study
  • Type 1 diabetes
  • With age above 65 years
  • Informed consent provided

Who cannot take part

  • Age below 65 years

Where in Finland

  • HUS Helsinki University HospitalHelsinki, FinlandNo longer taking part

About the trial

What the trial wants to find out

Healthy aging refers to functional ability that enables well-being in older individuals. The focus thus shifts from chronological age to functional capacity and the individual's own experience of well-being. Type 1 diabetes is a chronic condition characterized by elevated blood glucose levels, which increases the risk of cardiovascular diseases and premature death. However, the life expectancy of individuals with type 1 diabetes has significantly improved due to advances in diabetes care.

Read full original descriptionShow less

There is limited research on aging with type 1 diabetes, and this study is at the forefront of addressing this gap by examining aging-and especially healthy aging-in type 1 diabetes from multiple perspectives. The goals are to investigate how individuals with type 1 diabetes age and what their functional capacity is compared to individuals without insulin-treated diabetes. The other aim is to identify factors in midlife that predict healthy aging in people with type 1 diabetes.

The 2 groups in the trial

  • Type 1 diabetes

    Participants of the Finnish Diabetic Nephropathy Study, age above 65 years.

  • Controls

    Age above 65 years, no diabetes with insulin therapy

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
FinnDiane LifeOne Study - Impact of Ageing on People With Type 1 Diabetes
Plain-language title
How Ageing Affects Older People Living With Type 1 DiabetesGenerated from the registry record. The registry title is the official one.
AI summary
From the trial's eligibility criteria. Read by machine on 13 November 2026.
Publications
Record updated
24 December 2025