Dietitian diet may ease constipation in Parkinson's patients

NCT ID NCT07213856

Recruiting now Symptom relief Sponsor: Hospital de Clinicas de Porto Alegre Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a personalized diet plan from a registered dietitian can improve constipation in people with Parkinson's disease. Fifty-four participants will follow the diet for 3 months, with regular check-ins. Researchers will measure bowel movements, gut bacteria, and diet quality to see if the intervention helps.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: dietitian-guided nutritional intervention (diet plan and counseling)
What this could lead to: If it works, this could offer a simple, drug-free way to manage constipation in Parkinson's disease, improving quality of life.
What could go wrong: This is a small, early-stage trial (54 people) with no blinding, so results may not be conclusive or widely applicable. Dietary changes can be hard to stick with long-term.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

constipation disorder Parkinson disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CONSTIPATION - FUNCTIONAL PARKINSONS DISEASE (PD)

Contacts and locations

Locations

Hospital de Clínicas de Porto Alegre (HCPA)
RECRUITING

Porto Alegre, Rio Grande do Sul, Brazil

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