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Alopecia AreataPhase 2NCT06747611

Evaluation of Microbiota Transplant Therapy in Patients With Alopecia Areata

A Phase 2 study testing Vancomycin, Neomycin and MTT capsules in people with Alopecia Areata and Alopecia Totalis, run by University of Minnesota at 1 site in United States.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

Alopecia Areata (AA) is among the most highly prevalent human autoimmune diseases, leading to disfiguring hair loss due to the collapse of immune privilege of the hair follicle and subsequent autoimmune attack. Read more about this study

Who is it for?
Ages 18 to 75 years
What is being tested?
Vancomycin, Neomycin and MTT capsules
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
40 participants
Where
1 siteUnited States
Study dates
21 Aug 2025to 15 Mar 2028
Phase
Phase 2
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 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients 18 to 75 years of age with moderate to severe alopecia areata (SALT score >30%).
  • Patients with a diagnosis of patch type alopecia areata, totalis, or universalis..
  • Duration of hair loss >=3 months..
  • No evidence of active, ongoing regrowth present at baseline.
  • Females of childbearing potential must have a negative urine or serum pregnancy test at screening and immediately prior to MTT.
  • Females of childbearing potential must agree to use an effective form of contraception from 14 days prior to study antibiotics through at least 30 days after MTT. Acceptable forms of contraception include oral or intramuscular contraceptives, intrauterine devices, surgical sterilization.
  • Participants are not enrolled in another clinical study.
  • If undergoing treatment with a JAK inhibitor, participant is willing to discontinue treatment for 1 month prior to enrollment and throughout the duration of the study.

Who cannot join

  • Active gastrointestinal infection at time of enrollment.
  • Having been administered antibiotics in the last 48 hours.
  • Patients will be eligible to enroll if antibiotic therapy is discontinued for at minimum 48 hours prior to treatment..
  • Requires continued antibiotic use
  • Allergy to study antibiotics (vancomycin, neomycin).
  • Known or suspected severe gastrointestinal dysmotility disorder, e.g., gastroparesis, pseudo-obstruction, scleroderma with gastrointestinal involvement
Show all 24Show fewer
  • Ileus or small bowel obstruction.
  • Major gastrointestinal surgery (e.g., significant bowel resection) within 3 months before enrollment. This does not include appendectomy or cholecystectomy.
  • History of total colectomy.
  • Concurrent intensive induction chemotherapy, radiation therapy or biological treatment for active malignancy.
  • Unable or unwilling to comply with protocol requirements.
  • Expected life expectancy \< 6 months.
  • Previous MTT or microbiome-based products at any time excluding this study.
  • History of severe anaphylactic or anaphylactoid food allergy.
  • Solid organ transplant recipients 90 days post-transplant or on active treatment for rejection.
  • A condition that would jeopardize the safety or rights of the subject, would make it unlikely for the subject to complete the study, or would confound the results of the study.
  • History of or existing skin diseases affecting the scalp such as psoriasis or seborrheic dermatitis and patients with evidence of infection or skin cancer in the treated areas.
  • Patients in whom the diagnosis of alopecia areata is questionable.
  • Patients in whom regrowth is present/evident at baseline in the areas to be treated.
  • Patients with active medical conditions or malignancies (except adequately treated basal or squamous cell carcinoma of the skin) which in the opinion of the investigator would increase the risks associated with study participation, including patients with a history of recurrent infections.
  • Patients unwilling or unable to discontinue treatments known to affect hair regrowth in alopecia areata.
  • Patients who have been treated with intralesional steroids, systemic steroids, anthralin, squaric acid, DPCP (diphenylcycloprophenone), protopic, minoxidil, JAK inhibitors or other medication which in the opinion of the investigator may affect hair regrowth, within one month of the baseline visit..
  • Patients determined by the investigator to have extreme diets..
  • Pregnant and breastfeeding females..

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

Thomas Pritchard contact

612-626-0249

pritc204@umn.edu

United States1 site, 1 recruiting
  • University of Minnesota

    Minneapolis, Minnesota, 55455

    Thomas Pritchard, 612-626-0249, pritc204@umn.edu

    Recruiting

Other trials in United States

About this study

Alopecia Areata (AA) is among the most highly prevalent human autoimmune diseases, leading to disfiguring hair loss due to the collapse of immune privilege of the hair follicle and subsequent autoimmune attack. AA affects about 5.3 million people in the United States alone, including males and females across all ethnic groups, with a lifetime risk of 2.1%. Autoimmunity develops against the hair follicle, resulting in non-scarring hair loss that may begin as patches that can coalesce and progress to cover the entire scalp (alopecia totalis) or eventually the entire body (alopecia universalis). In AA, there is no permanent destruction of the hair follicle, and regrowth remains possible. Treatment options for AA include intralesional steroids, topical anthralin, allergic contact dermatitis with diphencyprone (DPCP), dinitrochlorobenzene (DNCB), or squaric acid dibutyl ester (SADBE), and recently janus kinase ( JAK) inhibitors. Despite the recent approval of JAKs for the treatment of extensive alopecia areata, some patients are treatment resistant, suffer relapses, or cannot take an oral immunosuppressive medication.

This study will attempt to elucidate the pre-treatment and post treatment skin and gut microbiome composition to determine whether specific bacterial species may correlate with disease or treatment response. To determine the effects of MTT on immune cell composition and activation systemically and locally in the skin, we will analyze major immune cell populations in peripheral blood samples and collect skin biopsies for histopathology and next generation sequencing analyses. Further, to determine if changes in immune cell populations affect the inflammatory response, we will profile inflammatory cytokines. To identify if changes in the gut microbiota influence the metabolic signature in AA, we will also perform untargeted metabolomics in stool gut microbiome samples and in plasma. Altogether, this comprehensive approach aims to identify the pathogenic immunological mechanisms associated with microbiome composition correlated to pre-treatment disease, post-treatment response, and any non-responders to treatment.

Being tested
Vancomycin, Neomycin and MTT capsules, Placebo capsules
Medical subject headings
Alopecia Areata, Alopecia universalis

What participants receive

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

  • Vancomycin, Neomycin and MTT capsulesDrug

    patients will take 2 capsules per day for 14 days. These patients will then be clinically followed for a period of 24 weeks.

  • Placebo capsulesDrug

    patients will take 2 capsules per day for 14 days. These patients will then be clinically followed for a period of 24 weeks.

Study groups in NCT06747611
Study groupRoleWhat they receive
Alopecia Areata study groupExperimentalrandomized to receive antibiotics and MTT oral capsule
Receives: Drug: Vancomycin, Neomycin and MTT capsules
Alopecia Areata control groupPlacebo comparatorrandomized to receive placebo antibiotics and placebo MTT oral capsule
Receives: Drug: Placebo capsules

What is being measured

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

  1. Engraftment

    Proportion of patients achieving donor microbiota engraftment measured at 8 weeks post treatment.

    Measured: Week 8

Secondary outcomes (10)
  1. Hair regrowth

    Percent hair regrowth from baseline determined by SALT measurements following 8, 16, 24, 26, 34, 42, 50 and 54 weeks post treatment.

    Measured: 8, 16, 24, 26, 34, 42, 50 and 54 weeks post treatment

  2. efficacy measure 2

    Timing of relapse in responders followed for 6 months post therapy.

    Measured: 6 months post therapy

  3. SALT Score

    Proportion of patients in the treatment versus placebo group achieving SALT score of <50% at week 24

    Measured: Week 24

  4. safety outcome 2

    Proportion of participants with a SAE through day 30 (±3 days) after MTT.

    Measured: day 30

  5. safety outcome 3

    Proportion of participants with newly acquired transmissible infectious diseases which are considered adverse events of special interest (AESI) through day 30 (±3 days) after MTT.

    Measured: day 30

  6. safety outcome 1

    Proportion of participants with an AE through day 30 (±3 days) after MTT.

    Measured: day 30

  7. Week 4 AEs

    Proportion of participants with an AE through week 4 (±5 days) after MTT.

    Measured: Week 4

  8. Week 4 SAEs

    Proportion of participants with an SAE through week 4 (±5 days) after MTT.

    Measured: Week 4

  9. Month 6 SAEs

    Proportion of participants with a SAE at month 6 (±14 days) after randomization.

    Measured: Month 6

  10. Month 12 SAEs

    Proportion of participants with a SAE at month 12 (±14 days) after randomization.

    Measured: Month 12

Timeline

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

  1. First posted24 Dec 2024
  2. Study start21 Aug 2025
  3. Primary completion15 Mar 2028 (estimated)
  4. Study completion15 Mar 2028 (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 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Masking
Double blind
Who is masked
Participant, Outcomes assessor
Enrolment
40 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06747611
Sponsor's protocol ID
DERM-2022-30819
Status last verified
Jun 2026
First submitted
18 Dec 2024
Last updated
26 Jun 2026
Results posted
No
FDA-regulated drug
Yes
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Vancomycin, Neomycin and MTT capsules in people with Alopecia Areata and Alopecia Totalis, run by University of Minnesota at 1 site in United States.

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 8 inclusion and 24 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: looking for participants now, as of the sponsor's last update on 26 Jun 2026. 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 United States. 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. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

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?

Contact Thomas Pritchard (612-626-0249, pritc204@umn.edu), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Engraftment (time frame: Week 8). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 26 Jun 2026.

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