Common blood pressure pills may cut pneumonia risk in stroke survivors
NCT ID NCT07262710
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study examines whether two types of blood pressure medications, ACEIs and ARBs, can reduce the chance of developing pneumonia after a stroke. Researchers will analyze medical records from over 13,600 patients with both stroke and high blood pressure. The goal is to see if these drugs offer extra protection compared to another common blood pressure medicine.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 13,656 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Dec 2025
An estimate. Start dates often move.
- Expected to finish
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Aug 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Diagnosis of both stroke and hypertension, with the initial diagnosis dates for both conditions falling within the period from January 1, 2016, to December 31, 2024
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Diagnosis of both stroke and hypertension, with the initial diagnosis dates for both conditions falling within the period from January 1, 2016, to December 31, 2024.Definition of Stroke: International Classification of Diseases, 10th Revision (ICD-10) codes I60-I64, or a primary diagnosis of stroke-related conditions in inpatient/outpatient medical records, including but not limited to: cerebral hemorrhage, hemorrhagic stroke, cerebral infarction, ischemic stroke, cerebral ischemia, brainstem infarction.Definition of Hypertension: ICD-10 code I10, or inpatient/outpatient medical records containing diagnostic names such as hypertension, benign hypertension, hypertensive crisis. 2. At least one prescription filled from any of the five major classes of antihypertensive medications: Angiotensin-Converting Enzyme Inhibitors (ACEI), Angiotensin II Receptor Blockers (ARB), Beta-blockers, Calcium Channel Blockers (CCB), or Diuretics. Furthermore, there must be no record of any ACEI, ARB, or CCB prescriptions within the 12 months immediately preceding the first ACEI, ARB, or CCB prescription. 3. Aage ≥18 years. Exclusion Criteria: 1. Data anomalies or errors(such as an inaccurately recorded date of death). 2. Concurrent use of two or three drug classes among ACEI, ARB, and CCB at any time. 3. Any recorded diagnosis of pneumonia prior to the initiation of the first antihypertensive medication.Definition of Pneumonia: ICD-10 codes J12-J18 or J69, or inpatient/outpatient medical records containing diagnostic names such as pulmonary infection, pneumonia, lung infection.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
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How to take part
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The official record
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A doctor treating you
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Other studies related to the condition(s) this trial covers.
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