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Massive korean study maps the overlap of heart, kidney, and metabolic diseases

NCT ID NCT07673822

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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time

Summary

This study examines health data from about 800,000 Korean adults to see how often conditions like obesity, type 2 diabetes, heart disease, chronic kidney disease, and fatty liver occur together. Researchers will analyze national survey and insurance records from 2013 to 2023. No treatments are given—this is an observational study to better understand disease patterns.

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 successful, this study could reveal how often these diseases occur together, helping doctors identify high-risk patients earlier.
What could go wrong
This is an observational study using existing data, so it cannot prove cause and effect. Results may not apply to other populations.

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

About 800,000 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2026

Expected to finish

Aug 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Who is studied

The participants in this study are drawn from Korean National Health Insurance Service (NHIS) - National Sample Cohort (NSC) aged 19 years and older. The eligible participants were selected by stratified random sampling in 2006 with follow-up through December 2023.

Ages

19 years and older

Sex

Anyone

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: * For an eligible participant, all inclusion criteria must be answered "yes". Primary Analysis: 1. Enrolled in the Korean National Health Insurance Service (NHIS) with valid insurance eligibility during the assessment year. 2. Adults aged 19 years or older at the index date (January 1 of each assessment year, annually from 2013 to 2023). Secondary Analysis (Subgroup Cohorts): 1. Enrolled in the Korean National Health Insurance Service (NHIS) with valid insurance eligibility during the cohort entry year. 2. Adults aged 19 years or older at the cohort entry date (i.e., the index date defined per the relevant subgroup cohort in) (per the SAP). 3. Meets the operational definition of the index disease or state for one of the four pre-specified subgroup cohorts (MASLD, HF, CKM stage, or High obesity) (per the SAP). Exclusion Criteria: * For an eligible participant, all exclusion criteria must be answered "no". Primary Analysis: 1. Individuals with missing age or sex information in the NHIS database. 2. Individuals with less than 1 year of continuous enrollment prior to the index date (to ensure adequate lookback period for disease identification). Secondary Analysis (Subgroup Cohorts) 1. Individuals with missing age or sex information in the NHIS database. 2. Individuals with less than 1 year of continuous NHIS enrollment prior to the cohort entry date (to ensure adequate washout for incident-case ascertainment). 3. Individuals with prior record of respective disease within the 1-year lookback window

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Novo Nordisk Pharma Korea, Ltd.

    Seoul, 01000, South Korea

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