Clinical trial Recruiting at 1 site Observational

Investigating the link between blood pressure levels and hospital complications

Official title: Association of Inpatient Blood Pressure Levels With In-hospital Adverse Events(APPLE Study)

Run by Guangdong Provincial People's Hospital · NCT04226612 · Data updated 2026-11-12

This study looks at how blood pressure levels in hospitalized patients might be linked to complications and deaths while they are in the hospital.

More Blood Pressure trials

Quick facts

Study typeObservational
SexAll
Enrollment100000 (estimated)
SponsorGuangdong Provincial People's Hospital
Academic / other
Locations1 site (Guangzhou, Guangdong)
StatusRecruiting
StartedJanuary 1, 2000
Main results expectedDecember 31, 2019
Study endsDecember 31, 2030
Registry record updatedJanuary 13, 2020
Trial IDNCT04226612 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are hospitalized patients of any age or race who have recorded blood pressure data.

Probably not a fit

Patients who are not hospitalized or have missing blood pressure data will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study aims to explore how inpatient blood pressure levels correlate with adverse events occurring during hospitalization. It includes a diverse population of hospitalized patients of all ages and races, focusing on the primary outcome of all-cause mortality within the hospital setting. By analyzing blood pressure data collected from these patients, the study seeks to identify potential risks associated with varying blood pressure levels during inpatient care.

Why it matters

Potential benefit: If successful, this study could help improve patient monitoring and management strategies in hospitals, potentially reducing adverse outcomes.

How similar studies have gone: While there have been studies examining blood pressure and hospital outcomes, this specific observational approach focusing on all-cause mortality is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Inpatient with all age or race;
* Have blood pressure data.

Exclusion Criteria:

* Non-patients;
* Death outside the hospital;
* Missing blood pressure data.

Where it's running

  • Feng Ying-qing
    Guangzhou, Guangdong, China
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.