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The Impact of Hafnia Alvei on Weight Loss and Glycaemic Control After Bariatric Surgery

NCT05170867 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 49

Last updated 2026-05-08

No results posted yet for this study

Summary

This study aims to investigate the effects of Hafnia alvei HA4597 TM supplementation on weight loss and glycemic control after bariatric surgery. Patients undergoing Roux-en-Y gastric bypass will receive probiotics or placebo, twice a day, for 90 days, one month after surgery. Outcomes will be measured at baseline, and 3, 6, 9 and 12 months after the surgery.

Conditions

Interventions

DIETARY_SUPPLEMENT

Hafnia alvei HA4597™

One capsule of probiotic supplement, twice a day, to be taken with water, during each breakfast and lunch (approx. 5 minutes after starting eating), for 90 days. Two capsules of the dietary supplement contain 5x107 CFU of Hafnia alvei HA4597™, 5 mg of zinc and 20 μg of chromium.

OTHER

Placebo

One capsule of placebo, twice a day, to be taken with water, during each breakfast and lunch (approx. 5 minutes after starting eating), for 90 days. Two capsules of the placebo contain 5 mg of zinc and 20 μg of chromium.

Sponsors & Collaborators

  • Academia CUF

    collaborator UNKNOWN

  • Universidade Nova de Lisboa

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2022-01-14
Primary Completion
2025-05-31
Completion
2025-12-31

Countries

  • Portugal

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05170867 on ClinicalTrials.gov