Dietitian diet may ease constipation in Parkinson's patients

NCT ID NCT07213856

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.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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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.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Hospital de Clínicas de Porto Alegre (HCPA)

    RECRUITING

    Porto Alegre, Rio Grande do Sul, Brazil

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••