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Atopic EczemaNCT06230991

A Pilot Study of Efficacy and Safety of SIM05 in Adults With Atopic Eczema

A study testing SIM05 in people with Atopic Eczema, run by Chinese University of Hong Kong at 1 site in Hong Kong.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

Atopic eczema causes significant disease burdens worldwide. Some studies reported gastrointestinal symptoms in eczema patients which could be related to gut microbiota change. A unique gastrointestinal microflora pattern has also been observed in atopic dermatitis patients when compared with healthy controls. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Atopic Eczema
What is being tested?
SIM05
Could I receive a placebo?
No, everyone receives an active treatment
How many people
30 participants
Where
1 siteHong Kong
Study dates
10 Oct 2023to 28 Dec 2025
Phase
Interventional
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Adults age 18 or older physician-diagnosed atopic eczema;
  • Agree to sign the informed consent form

Who cannot join

  • Adults with other documented chronic and clinically significant dermatologic diseases that may interfere with the evaluation of cutaneous signs and symptoms. Common conditions such as acne are permissible.
  • Adults with atopic eczema who have taken antibiotics within one months prior to recruitment.
  • Adults with atopic eczema who require systemic immunosuppressive treatments (e.g. azathioprine, methotrexate, mycophenolate mofetil, cyclosporine, biologics) within three months prior to recruitment, or who are taking systemic steroids within one month.

Trial locations and contacts

1 site in 1 country.

Hong Kong1 site
  • Prince of Wales Hospital

    Hong Kong

Other trials in Hong Kong

About this study

Official title: A Pilot Study of Efficacy and Safety of a Microbiome Immunity Formula (SIM05) in Adults With Atopic Eczema

Atopic eczema causes significant disease burdens worldwide. Some studies reported gastrointestinal symptoms in eczema patients which could be related to gut microbiota change. A unique gastrointestinal microflora pattern has also been observed in atopic dermatitis patients when compared with healthy controls. To date, no adult formula is specific for alleviating atopic eczema-related symptoms (especially through change of gut microbiota) for adults. The investigators hypothesize that the gut microbiota of adults with atopic eczema can be modulated to decrease the severity of atopic eczema-related symptoms. A pilot study is proposed to assess the effect and safety of SIM05 on atopic eczema severity and gut microbiome of adults with atopic eczema.

Read the detailed description

The major atopic disorders, atopic eczema, allergic rhinitis and asthma, cause significant disease burdens worldwide.

Apart from cutaneous symptoms such as dryness and itchiness in eczema patients [4], studies also reported gastrointestinal symptoms which could be related to gut microbiota change. Unique gastrointestinal microflora pattern has also been observed in atopic dermatitis patients when compared with healthy controls: decreased Bifidobacterium and Enterococci, especially Bifidobacterium bifidum and Bifidobacterium longum, and increased Faecalibacterium have been observed. Therefore, gastrointestinal microflora can serve as the disease indicator of atopic eczema. Emerging evidence also suggests that gut microbiota modulation can largely affect host immune functions in adults.

To date, no adult formula is specific for alleviating atopic eczema-related symptoms (especially through change of gut microbiota) for adults. SIM05 contains a blend of naturally occurring three food-grade probiotics strains and three prebiotics. The three probiotics belong to food-grade Bifidobacterium and Lactobacillus, which is an important group of probiotic cultures commonly used in food products. Moreover, research showed that Lactobacillus and Bifidobacteria could prevent atopic sensitisation to common food allergens and thus reducing the incidence of atopic eczema.

The investigators hypothesize that the gut microbiota of adult with atopic eczema can be modulated to decrease the severity of atopic eczema related symptoms. A pilot study of 30 adults with atopic eczema who will receive SIM05 for 16 weeks is proposed to assess the effect and safety of SIM05 on atopic eczema severity and gut microbiome.

Conditions
Atopic Eczema
Being tested
SIM05
Keywords
Atopic Eczema, Gut Microbiota, Probiotics
Medical subject headings
Dermatitis, Atopic

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • SIM05Dietary supplement

    Also called G-NiiB immunity formula

    SIM05 contains a blend of food-grade Bifidobacterium and Lactobacillus strains plus prebiotics

Study groups in NCT06230991
Study groupRoleWhat they receive
SIM05ExperimentalOne sachet twice daily for 16 weeks
Receives: Dietary Supplement: SIM05

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change in Eczema Area and Severity Index (EASI) across 16 weeks.

    The change of score in Eczema Area and Severity Index. A score of 0 indicates clear or no eczema, 0.1 to 1.0 indicates almost clear, 1.1 to 7 indicates mild disease, 7.1 to 21 indicates moderate disease, 21.1 to 50 indicates severe disease, and greater than 51 indicates very severe disease.

    Measured: 16 weeks

Secondary outcomes (5)
  1. Percentage of subjects achieving 50% and 75% reduction in EASI (EASI-50, EASI-75).

    The percentage reduction in EASI score

    Measured: 16 weeks

  2. Change in pruritus numerical rating scales (pruritus-NRS) across 16 weeks.

    The change of quality of life measuring in pruritus-NRS. On a scale of 0 to 10, with 0 being "no itch" and 10 being "worst itch imaginable".

    Measured: 16 weeks

  3. Changes in faecal microbial profiling across 16 weeks.

    The changes of profile in faecal microbial

    Measured: 16 weeks

  4. Adverse events reported during the study period.

    The adverse events reported throughout the study

    Measured: 16 weeks

  5. Change in Dermatology life quality index (DLQI) across 16 weeks.

    The change of quality of life measuring in DLQI scales. The scoring of each question is 'very much = 3'; 'quite a lot = 2'; 'only a little = 1' and 'not at all = 0'. The meaning of scores: 0-1 = no effect on life; 2-6 = small effect; 7-12 = moderate effect; 13-18 = very large effect and 19-30 = extremely large effect.

    Measured: 16 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted30 Jan 2024
  2. Study start10 Oct 2023
  3. Primary completion21 May 2024
  4. Study completion28 Dec 2025 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Other
Allocation
Not applicable
Intervention model
Single group
Model description
All study subjects will receive the same study products.
Masking
None (open label)
Enrolment
30 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06230991
Sponsor's protocol ID
AEZ-SIM05
Status last verified
Mar 2025
First submitted
30 Oct 2023
Last updated
28 Mar 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Cheng NS, Chau JPC, Lo SHS, Choi KC, Hon KLE, Lam PH, Leung TF. Effects of a self-efficacy theory-based parental education program on eczema control and parental outcomes. Pediatr Allergy Immunol. 2021 Apr;32(3):535-543. doi: 10.1111/pai.13421. Epub 2020 Dec 4.

    PubMed 33274772
  • Makrgeorgou A, Leonardi-Bee J, Bath-Hextall FJ, Murrell DF, Tang ML, Roberts A, Boyle RJ. Probiotics for treating eczema. Cochrane Database Syst Rev. 2018 Nov 21;11(11):CD006135. doi: 10.1002/14651858.CD006135.pub3.

    PubMed 30480774
  • Chan CX, Zug KA. Diagnosis and Management of Dermatitis, Including Atopic, Contact, and Hand Eczemas. Med Clin North Am. 2021 Jul;105(4):611-626. doi: 10.1016/j.mcna.2021.04.003.

    PubMed 34059241
  • Kimata H. Modulation of fecal polyamines by viewing humorous films in patients with atopic dermatitis. Eur J Gastroenterol Hepatol. 2010 Jun;22(6):724-8. doi: 10.1097/MEG.0b013e32832e09f1.

    PubMed 19543102
  • Silverberg JI, Hanifin JM. Adult eczema prevalence and associations with asthma and other health and demographic factors: a US population-based study. J Allergy Clin Immunol. 2013 Nov;132(5):1132-8. doi: 10.1016/j.jaci.2013.08.031. Epub 2013 Oct 4.

    PubMed 24094544
  • Watanabe S, Narisawa Y, Arase S, Okamatsu H, Ikenaga T, Tajiri Y, Kumemura M. Differences in fecal microflora between patients with atopic dermatitis and healthy control subjects. J Allergy Clin Immunol. 2003 Mar;111(3):587-91. doi: 10.1067/mai.2003.105.

    PubMed 12642841
  • Burr S. Assessment and management of eczema in adults in the community setting. Br J Community Nurs. 2019 Mar 2;24(3):110-115. doi: 10.12968/bjcn.2019.24.3.110. No abstract available.

    PubMed 30817210
  • Song H, Yoo Y, Hwang J, Na YC, Kim HS. Faecalibacterium prausnitzii subspecies-level dysbiosis in the human gut microbiome underlying atopic dermatitis. J Allergy Clin Immunol. 2016 Mar;137(3):852-60. doi: 10.1016/j.jaci.2015.08.021. Epub 2015 Oct 1.

    PubMed 26431583
  • Quince C, Walker AW, Simpson JT, Loman NJ, Segata N. Shotgun metagenomics, from sampling to analysis. Nat Biotechnol. 2017 Sep 12;35(9):833-844. doi: 10.1038/nbt.3935.

    PubMed 28898207
  • Pugh JN, Sparks AS, Doran DA, Fleming SC, Langan-Evans C, Kirk B, Fearn R, Morton JP, Close GL. Four weeks of probiotic supplementation reduces GI symptoms during a marathon race. Eur J Appl Physiol. 2019 Jul;119(7):1491-1501. doi: 10.1007/s00421-019-04136-3. Epub 2019 Apr 13.

    PubMed 30982100
  • Prasanna PHP, Grandison AS, Charalampopoulos D. Bifidobacteria in milk products: An overview of physiological and biochemical properties, exopolysaccharide production, selection criteria of milk products and health benefits. Food Res Int 2014;55:247-62.

  • Hanifin JM, Baghoomian W, Grinich E, Leshem YA, Jacobson M, Simpson EL. The Eczema Area and Severity Index-A Practical Guide. Dermatitis. 2022 May-Jun 01;33(3):187-192. doi: 10.1097/DER.0000000000000895.

    PubMed 35594457
  • Simpson EL, Bieber T, Guttman-Yassky E, Beck LA, Blauvelt A, Cork MJ, Silverberg JI, Deleuran M, Kataoka Y, Lacour JP, Kingo K, Worm M, Poulin Y, Wollenberg A, Soo Y, Graham NM, Pirozzi G, Akinlade B, Staudinger H, Mastey V, Eckert L, Gadkari A, Stahl N, Yancopoulos GD, Ardeleanu M; SOLO 1 and SOLO 2 Investigators. Two Phase 3 Trials of Dupilumab versus Placebo in Atopic Dermatitis. N Engl J Med. 2016 Dec 15;375(24):2335-2348. doi: 10.1056/NEJMoa1610020. Epub 2016 Sep 30.

    PubMed 27690741
  • Guttman-Yassky E, Teixeira HD, Simpson EL, Papp KA, Pangan AL, Blauvelt A, Thaci D, Chu CY, Hong HC, Katoh N, Paller AS, Calimlim B, Gu Y, Hu X, Liu M, Yang Y, Liu J, Tenorio AR, Chu AD, Irvine AD. Once-daily upadacitinib versus placebo in adolescents and adults with moderate-to-severe atopic dermatitis (Measure Up 1 and Measure Up 2): results from two replicate double-blind, randomised controlled phase 3 trials. Lancet. 2021 Jun 5;397(10290):2151-2168. doi: 10.1016/S0140-6736(21)00588-2. Epub 2021 May 21.

    PubMed 34023008
  • Heinl D, Prinsen CA, Deckert S, Chalmers JR, Drucker AM, Ofenloch R, Humphreys R, Sach T, Chamlin SL, Schmitt J, Apfelbacher C. Measurement properties of adult quality-of-life measurement instruments for eczema: a systematic review. Allergy. 2016 Mar;71(3):358-70. doi: 10.1111/all.12806. Epub 2015 Dec 16.

    PubMed 26564008

Questions about this trial

What is this clinical trial studying?

A study testing SIM05 in people with Atopic Eczema, run by Chinese University of Hong Kong at 1 site in Hong Kong.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: under way, not looking for participants, as of the sponsor's last update on 28 Mar 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Hong Kong. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change in Eczema Area and Severity Index (EASI) across 16 weeks. (time frame: 16 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT06230991, which also lists 17 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 28 Mar 2025.

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