# Preoperative Frailty and Postoperative Prognosis in the Elderly After Major Surgeries

> **NCT04655651** · — · COMPLETED · sponsor: **Peking Union Medical College Hospital** · enrollment: 189 (actual)

## Conditions studied

- Frailty
- Age Problem
- Surgery

## Interventions

- **OTHER:** No intervention

## Key facts

- **NCT ID:** NCT04655651
- **Lead sponsor:** Peking Union Medical College Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-12-20
- **Primary completion:** 2022-02-28
- **Final completion:** 2022-08-30
- **Target enrollment:** 189 (ACTUAL)
- **Last updated:** 2023-11-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04655651

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04655651, "Preoperative Frailty and Postoperative Prognosis in the Elderly After Major Surgeries". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT04655651. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*