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Plant vs. animal protein: which boosts ketogenic weight loss?

NCT ID NCT06461806

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

Summary

This study looks at how the source of protein in a high-protein ketogenic diet influences weight loss and inflammation in people with obesity. Sixty adults will follow a 12-week diet with either plant protein (pea/lupine) or animal protein (whey). Researchers will measure weight, body fat, and immune markers in fat tissue to see if one protein source is better.

What this could mean

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

Active substance
Dietary supplement (pea/lupine protein powder or whey protein powder)
What this could lead to
If it works, this could show that the type of protein in a ketogenic diet matters for weight loss and reducing inflammation, potentially leading to better dietary recommendations.
What could go wrong
This is a small, early-stage study with only 60 participants, so results may not apply to everyone. It tests a dietary change, not a drug, so the effects are likely modest.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

60 people

The number who actually took part.

Started

Oct 2022

Expected to finish

Jan 2026

An estimate. End dates often move.

Lead sponsor

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.

Ages

18 to 60 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults between 18-60 years old * BMI: \>29.99kg/m2 Exclusion Criteria: * Any chronic metabolic conditions (e.g. CVD) * Renal impairment (creatinine clearance \<60 mL/min) * Uncontrolled hypothyroidism * Pregnant, breastfeeding, or postmenopausal females * Past (\<6 year) or present use of nicotine products * Use of cannabis products * Use of any other medications that may affect study outcomes (e.g. anti-depressants) * Participants who have had a number of CT scans in the course of the year * Participants following a vegan diet

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • School of Health, Concordia University

    Montreal, Quebec, H4B 1R6, Canada

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Other studies related to the condition(s) this trial covers.