# Long Term Follow up of the LTOG Cohort

> **NCT04787822** · — · ENROLLING_BY_INVITATION · sponsor: **University of Pennsylvania** · enrollment: 4000 (estimated)

## Conditions studied

- Lung Transplant Failure and Rejection

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04787822
- **Lead sponsor:** University of Pennsylvania
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ENROLLING_BY_INVITATION
- **Start date:** 2021-06-15
- **Primary completion:** 2026-05-31
- **Final completion:** 2026-05-31
- **Target enrollment:** 4000 (ESTIMATED)
- **Last updated:** 2025-05-29

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04787822

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04787822, "Long Term Follow up of the LTOG Cohort". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04787822. Licensed CC0.

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