Could a High-Fat, Low-Carb diet help men breathe easier with COPD?

NCT ID NCT07664111

Completed Disease control Sponsor: Agri Ibrahim Cecen University Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Aug 07, 2026 · Updated 1 time

Summary

This pilot study investigates whether an 8-week ketogenic diet—high in fat and very low in carbs—can improve lung function, reduce inflammation, and boost exercise capacity in men aged 40–75 with mild-to-moderate COPD. Participants are randomly assigned to either the ketogenic diet or standard dietary advice. The study aims to see if this dietary approach is feasible and offers any benefits for managing COPD.

What this could mean

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

Active substance: ketogenic diet
What this could lead to: If effective, this diet could become a complementary approach to help manage COPD symptoms and improve quality of life.
What could go wrong: This is a small pilot study with only 34 men, so results may not apply to everyone. The diet is restrictive and may be hard to follow long-term.

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Conditions

The condition(s) this trial relates to.

chronic obstructive pulmonary disease

As listed by the trial registrant

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

CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD)

Contacts and locations

Locations

Ağrı İbrahim Çeçen University

Ağrı, Turkey (Türkiye)

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