A Trial to Evaluate the Efficacy and Safety of Lactobacillus Plantarum DSM 33464 on Blood Lead Levels in Children

NCT ID: NCT04891666

Last Updated: 2023-07-14

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

66 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-07-06

Study Completion Date

2023-03-17

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The study is a parallel, randomized, double-blind, placebo controlled clinical trial will evaluate the effect of Lactobacillus plantarum DSM 33464 on reduction of Blood lead levels and general well-being of children.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Elevated Blood Lead Levels

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Lactobacillus plantarum DSM 33464

1 sachet of Lactobacillus plantarum DSM 33464 (2 g) and 1 sachet of supplement YingKangWei per day for 12 weeks

Group Type EXPERIMENTAL

Lactobacillus plantarum DSM 33464

Intervention Type DIETARY_SUPPLEMENT

1 sachet SmartGuard® per day for 12 weeks

placebo

1 sachet of placebo (2 g) and 1 sachet of supplement YingKangWei per day for 12 weeks

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DIETARY_SUPPLEMENT

1 sachet of placebo per day for 12 weeks

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Lactobacillus plantarum DSM 33464

1 sachet SmartGuard® per day for 12 weeks

Intervention Type DIETARY_SUPPLEMENT

Placebo

1 sachet of placebo per day for 12 weeks

Intervention Type DIETARY_SUPPLEMENT

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

SmartGuard®

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

The subjects who meet all of the following selection criteria can participate in this study:

1. Children age 3-12 years
2. BLL 35-249 µg/L
3. Subjects, their parents or legal guardians are able and willing to comply with research guidance
4. Subject's parents or legal guardians sign written informed consent.

Exclusion Criteria

1. Diagnosed with nervous system diseases, genetic and metabolic diseases, endocrine diseases, lung diseases, severe or unstable cardiovascular diseases, clinically significant kidney or liver diseases, blood system diseases, any other clinically significant diseases and Other investigators judge that the participation of subjects in the study will increase the risk of the subjects' diseases;
2. History of infection or organ transplantation of human immunodeficiency virus or other acquired congenital immunodeficiency diseases;
3. Take probiotic products in the last two weeks
4. Known or suspected sensitivity or allergy to food or any constituents tested in the trial
5. Participation in another clinical trial or food study 4 weeks prior and during the trial
Minimum Eligible Age

3 Years

Maximum Eligible Age

12 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Beijing Children's Hospital

OTHER

Sponsor Role collaborator

Baoding Children's Hospital

OTHER

Sponsor Role collaborator

Xuzhou Children Hospital

OTHER

Sponsor Role collaborator

Chengdu Women's and Children's Central Hospital

OTHER

Sponsor Role collaborator

Children's Hospital of Heibei Province

UNKNOWN

Sponsor Role collaborator

Beijing Clinical Service Center

OTHER

Sponsor Role collaborator

Novozymes A/S

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Beijing Children's Hospital, Capital Medical University

Beijing, Beijing Municipality, China

Site Status

Baoding children's hospital

Baoding, Hebei, China

Site Status

Children's Hospital of Heibei Province

Shijiazhuang, Hebei, China

Site Status

Xuzhou children's Hospital

Xuzhou, Jiangsu, China

Site Status

Chengdu women's and children's Central Hospital

Chengdu, Sichuan, China

Site Status

Countries

Review the countries where the study has at least one active or historical site.

China

References

Explore related publications, articles, or registry entries linked to this study.

Ji W, Saulnier DM, Zhang L, Liu J, Gao J, Wang X, Holz C, Liang A, Tan HT. Effects of Lactiplantibacillus plantarum DSM 33464 in children with elevated blood lead levels: a randomized, double-blind, placebo-controlled study. Front Nutr. 2025 Sep 1;12:1641839. doi: 10.3389/fnut.2025.1641839. eCollection 2025.

Reference Type DERIVED
PMID: 40959702 (View on PubMed)

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

NZ-GHSG-2020-02

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.