NCT06968299

Brief Summary

This open-label, single-group, pre/post-test clinical study was conducted to investigate whether ExoBDNF probiotic supplementation could improve cognitive ability. It is expected that 40 subjects aged 18 years and above will be recruited, with a target of 30 cases, to take ExoBDNF probiotics for a total of 8 weeks.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
50

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started May 2025

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 5, 2025

Completed
8 days until next milestone

First Posted

Study publicly available on registry

May 13, 2025

Completed
7 days until next milestone

Study Start

First participant enrolled

May 20, 2025

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2025

Completed
Last Updated

November 24, 2025

Status Verified

November 1, 2025

Enrollment Period

7 months

First QC Date

May 5, 2025

Last Update Submit

November 18, 2025

Conditions

Keywords

ProbioticsExoBDNFCognitive functions

Outcome Measures

Primary Outcomes (1)

  • Subjective Cognitive Decline Questionnaire (SCD-Q) scale

    To compare whether there is a statistically significant difference in the Subjective Cognitive Decline Questionnaire (SCD-Q) scale scores between the trial group and the placebo group after taking the probiotics for 8 weeks compared with the values 8 weeks ago (baseline).

    8 weeks

Secondary Outcomes (5)

  • Computerized cognitive test-Go/No go

    8 weeks

  • Computerized cognitive test-Task-switching

    8 weeks

  • Computerized cognitive test-Working memory

    8 weeks

  • Depression Anxiety Stress Scale DASS-21

    8 weeks

  • Pittsburgh Sleep Quality Index (PSQI)

    8 weeks

Study Arms (1)

ExoBDNF SWP-CGPA01 (Pediococcus acidilactici)Capsules

EXPERIMENTAL

ExoBDNF is the product name of SWP-CGPA01 Pediococcus acidilactici, which is listed as a food-usable strain in Taiwan, China, Europe and the United States. The strain has been deposited in the National Collection of Industrial Food and Marine Bacteria (NCIMB) in the United Kingdom, and the strain number is NCIMB 44102. 1.0 x 1010 CFU SWP-CGPA01 freeze-dried powder (production and development: Morning Blossom Biotechnology Co., Ltd., Taipei, Taiwan), corn starch, crystalline cellulose and excipients in plant capsules.

Dietary Supplement: ExoBDNF SWP-CGPA01 (Pediococcus acidilactici)Capsules

Interventions

Product ingredients: microcrystalline cellulose, corn starch, SWP-CGPA01 Pediococcus acidilactici powder (1.0 x 10\^10 CFU); Capsule shell composition: HPMC (hydroxypropyl methylcellulose), pure water, titanium dioxide, gelatin.

ExoBDNF SWP-CGPA01 (Pediococcus acidilactici)Capsules

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Subjects must be volunteers who are 18 years of age or older, mentally clear and able to communicate.
  • Subjects who agree to participate in this trial and voluntarily sign the trial consent form.

You may not qualify if:

  • Subjects who are expected to be or have been confirmed to be pregnant (medical history).
  • Subjects with gallbladder disease, gastrointestinal disease, gout, porphyria, or a history of gastric weight control surgery.
  • Subjects with high blood pressure (≥160/100 mmHg after resting for 10 minutes) or taking diuretics.
  • Subjects with heart disease, hepatorenal insufficiency, hyperthyroidism or hypothyroidism, Cushing's syndrome, malignant tumors, or any other disease that may affect the results of the study.
  • Subjects with severe hearing or visual impairment that makes it impossible to perform examinations and assessments.
  • Subjects with any history of brain surgery, penetrating, neurovascular, infectious or other severe brain injury, epilepsy or other major neurological abnormalities, such as traumatic brain injury with loss of consciousness for more than 24 hours, or memory loss after head trauma for more than 7 days were excluded.
  • Subjects with intellectual disabilities.
  • Subjects who had consumed probiotics or were expected to consume probiotics within 2 weeks before the screening visit.
  • Subjects who had participated in or were expected to participate in clinical trials within 4 weeks before the screening visit.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Tri-Service General Hospital, National Defense Medical Center

Taipei, Taiwan

RECRUITING

Related Publications (21)

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  • Erickson KI, Donofry SD, Sewell KR, Brown BM, Stillman CM. Cognitive Aging and the Promise of Physical Activity. Annu Rev Clin Psychol. 2022 May 9;18:417-442. doi: 10.1146/annurev-clinpsy-072720-014213. Epub 2022 Jan 19.

  • O'Donoghue MC, Murphy SE, Zamboni G, Nobre AC, Mackay CE. APOE genotype and cognition in healthy individuals at risk of Alzheimer's disease: A review. Cortex. 2018 Jul;104:103-123. doi: 10.1016/j.cortex.2018.03.025. Epub 2018 Mar 30.

  • Shakersain B, Santoni G, Larsson SC, Faxen-Irving G, Fastbom J, Fratiglioni L, Xu W. Prudent diet may attenuate the adverse effects of Western diet on cognitive decline. Alzheimers Dement. 2016 Feb;12(2):100-109. doi: 10.1016/j.jalz.2015.08.002. Epub 2015 Sep 3.

  • Schneider S, Wright CM, Heuckeroth RO. Unexpected Roles for the Second Brain: Enteric Nervous System as Master Regulator of Bowel Function. Annu Rev Physiol. 2019 Feb 10;81:235-259. doi: 10.1146/annurev-physiol-021317-121515. Epub 2018 Oct 31.

  • Kowalski K, Mulak A. Brain-Gut-Microbiota Axis in Alzheimer's Disease. J Neurogastroenterol Motil. 2019 Jan 31;25(1):48-60. doi: 10.5056/jnm18087.

  • D'Amato A, Di Cesare Mannelli L, Lucarini E, Man AL, Le Gall G, Branca JJV, Ghelardini C, Amedei A, Bertelli E, Regoli M, Pacini A, Luciani G, Gallina P, Altera A, Narbad A, Gulisano M, Hoyles L, Vauzour D, Nicoletti C. Faecal microbiota transplant from aged donor mice affects spatial learning and memory via modulating hippocampal synaptic plasticity- and neurotransmission-related proteins in young recipients. Microbiome. 2020 Oct 1;8(1):140. doi: 10.1186/s40168-020-00914-w.

  • Dominguez LJ, Barbagallo M. Nutritional prevention of cognitive decline and dementia. Acta Biomed. 2018 Jun 7;89(2):276-290. doi: 10.23750/abm.v89i2.7401.

  • Forsythe P, Bienenstock J, Kunze WA. Vagal pathways for microbiome-brain-gut axis communication. Adv Exp Med Biol. 2014;817:115-33. doi: 10.1007/978-1-4939-0897-4_5.

  • Sampson TR, Mazmanian SK. Control of brain development, function, and behavior by the microbiome. Cell Host Microbe. 2015 May 13;17(5):565-76. doi: 10.1016/j.chom.2015.04.011.

  • Sharon G, Garg N, Debelius J, Knight R, Dorrestein PC, Mazmanian SK. Specialized metabolites from the microbiome in health and disease. Cell Metab. 2014 Nov 4;20(5):719-730. doi: 10.1016/j.cmet.2014.10.016. Epub 2014 Nov 4.

  • Liu N, Yang D, Sun J, Li Y. Probiotic supplements are effective in people with cognitive impairment: a meta-analysis of randomized controlled trials. Nutr Rev. 2023 Aug 10;81(9):1091-1104. doi: 10.1093/nutrit/nuac113.

  • Fei Y, Wang R, Lu J, Peng S, Yang S, Wang Y, Zheng K, Li R, Lin L, Li M. Probiotic intervention benefits multiple neural behaviors in older adults with mild cognitive impairment. Geriatr Nurs. 2023 May-Jun;51:167-175. doi: 10.1016/j.gerinurse.2023.03.006. Epub 2023 Mar 28.

  • Chong HX, Yusoff NAA, Hor YY, Lew LC, Jaafar MH, Choi SB, Yusoff MSB, Wahid N, Abdullah MFIL, Zakaria N, Ong KL, Park YH, Liong MT. Lactobacillus plantarum DR7 alleviates stress and anxiety in adults: a randomised, double-blind, placebo-controlled study. Benef Microbes. 2019 Apr 19;10(4):355-373. doi: 10.3920/BM2018.0135. Epub 2019 Mar 18.

  • Kobayashi Y, Kinoshita T, Matsumoto A, Yoshino K, Saito I, Xiao JZ. Bifidobacterium Breve A1 Supplementation Improved Cognitive Decline in Older Adults with Mild Cognitive Impairment: An Open-Label, Single-Arm Study. J Prev Alzheimers Dis. 2019;6(1):70-75. doi: 10.14283/jpad.2018.32.

  • Adolphe M, Sawayama M, Maurel D, Delmas A, Oudeyer PY, Sauzeon H. An Open-Source Cognitive Test Battery to Assess Human Attention and Memory. Front Psychol. 2022 Jun 10;13:880375. doi: 10.3389/fpsyg.2022.880375. eCollection 2022.

  • Yen YC, Chiu NY, Hwang TJ, Su TP, Yang YK, Chen CS, Li CT, Su KP, Lai TJ, Chang CM. A Multi-Center Study for the Development of the Taiwan Cognition Questionnaire (TCQ) in Major Depressive Disorder. J Pers Med. 2022 Feb 26;12(3):359. doi: 10.3390/jpm12030359.

  • Tsai CL, Chou KH, Lee PL, Liang CS, Kuo CY, Lin GY, Lin YK, Hsu YC, Ko CA, Yang FC, Lin CP. Shared alterations in hippocampal structural covariance in subjective cognitive decline and migraine. Front Aging Neurosci. 2023 Jun 20;15:1191991. doi: 10.3389/fnagi.2023.1191991. eCollection 2023.

  • de Oliveira BH, Lins EF, Kunde NF, Salgado ASI, Martins LM, Bobinski F, Vieira WF, Cassano P, Quialheiro A, Martins DF. Transcranial photobiomodulation increases cognition and serum BDNF levels in adults over 50 years: A randomized, double-blind, placebo-controlled trial. J Photochem Photobiol B. 2024 Nov;260:113041. doi: 10.1016/j.jphotobiol.2024.113041. Epub 2024 Oct 5.

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MeSH Terms

Conditions

Cognition Disorders

Condition Hierarchy (Ancestors)

Neurocognitive DisordersMental Disorders

Study Officials

  • Hsin-An Chang, MD

    Director, Child and Adolescent Psychiatry, Department of Psychiatry

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 5, 2025

First Posted

May 13, 2025

Study Start

May 20, 2025

Primary Completion

December 30, 2025

Study Completion

December 30, 2025

Last Updated

November 24, 2025

Record last verified: 2025-11

Data Sharing

IPD Sharing
Will not share

Locations