Recruiting · registry status

Sleep position and low blood pressure on standing

Researchers are investigating whether sleeping position affects morning drops in blood pressure in people with Parkinson's.

Learning by observing or collecting information · Study reference: TCTR20220621005

Plain-language introduction written with AI from the registry; not independently checked by a clinician. Read the original details below ↓

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Start (reported date): 2021-06-22
Study finished (reported date): 2022-06-30

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No results summary has been confirmed in the registry records we imported. See connected papers below; we keep checking after recruitment ends.

Changes we have recorded

2026-10-11 — recruiting

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Papers connected to this study

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Who can join?

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Sex eligibility reported by registry: both

Inclusion criteria: 1. patients who have been office BP measurements demonstrating a drop of at least 20 mmHg of SBP or 10 mmHg of DBP after 3 min of standing from a supine position at least two visited at the outpatient clinic, 2. stable dosage of antiparkinsonian and antihypertensive medications at least 4 weeks prior to the study, 3. able to stand at least three minutes for BP measured Exclusion criteria: Patients with comorbidities of chronic heart failure, chronic renal failure, amyloidosis, active malignancies, other secondary forms of autonomic diseases, diabetes mellitus or diseases potentially associated with autonomic dysfunction, and parkinsonism plus syndrome

Full study name & original research details

Official study title

Effect of sleep positions on morning OH in PD patients

Short title used by the registry

What is the appropriate sleep position for Parkinson's disease patients with orthostatic hypotension in the morning?

Original description

Intervention: PD patients who have been office BP measurements demonstrating a drop of at least 20 mmHg of SBP or 10 mmHg of DBP after 3 min of standing from a supine position;Treatment;PD patients with orthostatic hypotension Primary outcome: Magnitude of orthostatic hypotension at the end of intervention 24 hour BP monitoring Secondary outcome: nocturnal blood pressure at the end of intervention 24-hour BP monitoring,Symptom of orthostatic hypotension at the end of intervention orthostatic hypotension questionnaire

Conditions reported: PD patient with OH Orthostatic hypotension, Nocturnal hypertension, Supine hypertension, Parkinson's disease, Sleeping positions;Orthostatic hypotension, Nocturnal hypertension, Supine hypertension, Parkinson's disease, Sleeping positions

Registry records for this study

Records are joined using registration identifiers. Titles alone do not establish that two studies are the same.

TCTR · TCTR20220621005 ↗ — Recruiting; WHO ICTRP processed 2026-08-03; checked 2026-10-13

Study type: Observational
Interventions: PD patients who have been office BP measurements demonstrating a drop of at least 20 mmHg of SBP or 10 mmHg of DBP after 3 min of standing from a supine position;Treatment;PD patients with orthostatic hypotension
Phases: Not reported
Sponsor: Department of Medicine, Faculty of Medicine, Chulalongkorn University
Start date reported by registry: 2021-06-22 (reported)

Registry updated: Not reported · Status last verified by the registry submitter: Not reported

Registry records retrieved 2026-10-13 (UTC). Individual records may have older updates. Recruitment and eligibility must be confirmed with the study team.

Contact the research team

Public study contacts supplied to the registry. Ask whether recruitment is still open and what participation involves.

Tittaya Prasertpan · 0811079999 · tittaya.p20@chula.md

Study locations

Site status can differ from overall study status. “Status not reported” means local availability needs confirmation. Remote participation and travel arrangements must be checked with the team.

Facility not reported

Thailand

Status not reported

The original descriptions and participation rules come from the registry. Participation is voluntary and does not guarantee benefit.