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Celiac DiseaseEarly Phase 1NCT06310291

VTP-1000 in Adults With Celiac Disease

A Early Phase 1 study testing VTP-1000 in people with Celiac Disease, run by Barinthus Biotherapeutics at 16 sites in United States.

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

GLU001 is a first-in-human clinical trial to assess the safety and tolerability of VTP-1000 for adults with celiac disease. This trial will assess VTP-1000 at various dose levels compared to placebo in a single ascending dose (SAD) and multiple ascending dose (MAD) format. Read more about this study

Who is it for?
Ages 18 to 70 years
Conditions the study is for
Celiac Disease
What is being tested?
VTP-1000
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
42 participants
Where
16 sitesUnited States
Study dates
1 Aug 2024to Nov 2026
Phase
Early Phase 1
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 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Diagnosis of celiac disease as confirmed by positive serology and intestinal histology
  • Presence of Human Leukocyte Antigen (HLA)-DQ2.5 genotype
  • Participants who are on a well controlled gluten restricted diet
  • Anti-tissue transglutaminase (tTG) IgA antibodies less than 2 times the upper limit of normal and anti-deamidated gliadin peptide IgG (anti-DGP)-IgA/IgA antibodies less than 3 times the upper limit of normal
  • Non-pregnant or breast feeding females
  • No other clinical significant findings at screening

Who cannot join

  • Refractory celiac disease
  • Selective IgA deficiency
  • Positive for HLA-DQ8
  • Known wheat allergy or that is Type I hypersensitivity
  • Active inflammatory bowel disease or other condition with symptoms that will be similar to celiac disease

Trial locations and contacts

16 sites in 1 country.

16 sites in 1 country

United States16 sites
  • PPD Research Unit

    Austin, Texas, 78744

  • Parexel EPCU Baltimore

    Baltimore, Maryland, 21225

  • Clinical Research Institute of Michigan

    Clinton Township, Michigan, 48038

  • Peak Gastroenterology Associates

    Colorado Springs, Colorado, 80907

  • Centricity Research

    Columbus, Ohio, 43213

  • Jacksonville Center for Clinical Research

    Jacksonville, Florida, 32216

  • Parexel EPCU LA

    Los Angeles, California, 91206

  • Vanderbilt University Medical Center

    Nashville, Tennessee, 37232

  • NYU Langone - Gastroenterology Associates

    New York, New York, 10016

  • North Carolina Clinical Research

    Raleigh, North Carolina, 27607

  • Clinical Research Partners

    Richmond, Virginia, 23226

  • Mayo Clinic

    Rochester, Minnesota, 55905

  • Velocity Clinical Research, Seattle

    Seattle, Washington, 98105

  • GCP Research

    St. Petersburg, Florida, 33705

  • Velocity Clinical Research, Salt Lake City

    West Jordan, Utah, 84088

  • West Michigan Clinical Research Center

    Wyoming, Michigan, 49159

Other trials in United States

About this study

Official title: A Phase 1, First in Human, Randomized, Placebo-controlled Trial With a Controlled Gluten Challenge to Evaluate Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of VTP-1000 in Adults With Celiac Disease

GLU001 is a first-in-human clinical trial to assess the safety and tolerability of VTP-1000 for adults with celiac disease. This trial will assess VTP-1000 at various dose levels compared to placebo in a single ascending dose (SAD) and multiple ascending dose (MAD) format. Participants will be followed for a short period of time to assess the impact of VTP-1000 on their immune system (Adverse events, reactions in the blood, and physical exam differences). Participants enrolled in the MAD portion of the trial will undergo a gluten challenge to assess the impact exposure to gluten has on participants after administration of VTP-1000.

Read the detailed description

VTP-1000 is a gluten-derived (GLU) peptide immunotherapy that is designed to induce antigen-specific immune tolerance against gluten in patients with celiac disease. The technology underlying VTP-1000 consists of the sponsor's proprietary self-assembling nanoparticles based on amphiphilic peptides tolerance immunotherapy (SNAP-TI) platform which has been configured to package 12 GLU peptide antigens and rapamycin into nanoparticles of ~20 nm diameter.

The goal of treatment with VTP-1000 is to induce tolerance to gluten in patients with coeliac disease by activating antigen-specific regulatory T (Treg) cells that promote tolerance and reducing pre-existing, pathogenic antigen-specific effector T (Teff) cells that underly disease pathogenesis. In turn, this may allow for better management of the condition.

GLU001 is a multi-center phase I first in human study to assess the safety and tolerability of VTP-1000 in adults with celiac disease. The trial also aims to demonstrate proof-of-principle of induction of immune tolerance and early proof-of-concept for VTP-1000 as a potential treatment for coeliac disease based on assessment of pharmacodynamics and preliminary efficacy determined by means of a controlled gluten challenge.

GLU001 will be conducted as a randomized double-blind placebo-controlled study in two parts - Part A and Part B. Part A will be a single ascending dose (SAD) followed by Part B a multiple ascending dose (MAD) which incorporates a gluten challenge.

Part A (Single Ascending Dose)

A stepwise single dose escalation of 3 dose levels of VTP-1000 is planned. A total of 6 participants will be treated at each dose level (4 will receive VTP-1000 and 2 will receive matched placebo). A sentinel dosing approach will be followed, with the first 2 participants randomized to receive VTP1000 or placebo in a 1:1 ratio. Subsequent participants will be randomized in a 3:1 ratio at least 7 days after the second sentinel participant has received trial intervention. Participants will be screened for eligibility up to 28 days prior treatment. Participants will be followed for 21 days after dosing including a 3-day domicile period following administration of VTP-1000.

Part B (Multiple Ascending Dose)

A stepwise multiple dose escalation of up to 3 dose levels of VTP-1000 is planned. A total of 8 participants will be treated at each dose level (6 will receive VTP-1000 and 2 will receive matched placebo). A sentinel dosing approach will be followed in the first dose level only, with the first 2 participants randomized to receive VTP1000 or placebo in a 1:1 ratio. Subsequent participants at the first dose level will be randomized in a 5:1 ratio at least 7 days after the second sentinel participant has received trial intervention. Participants in the second and third dose levels will be randomized in a 6:2 ratio, and no sentinel dosing sequence will be applied.

Participants will be screened for eligibility up to 28 days prior to the start of treatment. Eligible participants will receive 3 doses of trial intervention every 2 weeks at a given dose level with and followed for 57 days. After completion of the third dose of trial intervention, participants will undergo a gluten challenge.

Conditions
Celiac Disease
Being tested
VTP-1000, Matched Placebo
Medical subject headings
Celiac Disease

What participants receive

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

  • VTP-1000Biological

    Intramuscular (IM) injection comprised of self-assembling nanoparticles of gluten peptides and a rapamycin component

  • Matched PlaceboOther

    Intramuscular (IM) injection comprised of saline solution

Study groups in NCT06310291
Study groupRoleWhat they receive
Matched Placebo (SAD)Placebo comparator2 placebo comparators; 1 for each part of the study
Receives: Other: Matched Placebo
VTP-1000 Dose 1 (SAD)Experimental3 dose levels in SAD and MAD parts of trial
Receives: Biological: VTP-1000
VTP-1000 Dose 2 (SAD)Experimental3 dose levels in SAD and MAD parts of trial
Receives: Biological: VTP-1000
VTP-1000 Dose 3 (SAD)Experimental3 dose levels in SAD and MAD parts of trial
Receives: Biological: VTP-1000
Matched Placebo (MAD)Placebo comparator2 placebo comparators; 1 for each part of the study
Receives: Other: Matched Placebo
VTP-1000 Dose 1 (MAD)Experimental3 dose levels in SAD and MAD parts of trial
Receives: Biological: VTP-1000
VTP-1000 Dose 2 (MAD)Experimental3 dose levels in SAD and MAD parts of trial
Receives: Biological: VTP-1000
VTP-1000 Dose 3 (MAD)Experimental3 dose levels in SAD and MAD parts of trial
Receives: Biological: VTP-1000

What is being measured

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

  1. Treatment Emergent Adverse Events, Serious Adverse Events and Adverse Events of Special Interest (AESIs)

    Incidence and severity of treatment-emergent adverse events (TEAEs) , Serious Adverse Events (SAEs) , Adverse Events of Special Interest (AESIs) and adverse events leading to trial intervention discontinuation or trial withdrawal according to NCI CTCAE Version 5.0

    Measured: Participants will be assessed for up to 21 days and 57 days post first dose for SAD and MAD parts of the study respectively.

  2. Changes from baseline and clinically significant abnormalities in standard Clinical Chemistry laboratory safety parameters

    Changes from baseline and clinically significant abnormalities in standard clinical laboratory safety parameters according to NCI CTCAE Version 5.0

    Measured: Participants will be assessed for up to 21 days and 57 days post first dose for SAD and MAD parts of the study respectively.

  3. Changes from baseline and clinically significant abnormalities in standard Coagulation laboratory safety parameters

    Measurement of in standard clinical laboratory safety parameters according to NCI CTCAE Version 5.0

    Measured: Participants will be assessed for up to 21 days and 57 days post first dose for SAD and MAD parts of the study respectively.

  4. Changes from baseline and clinically significant abnormalities in standard hematology laboratory safety parameters

    Measurement of standard hematology clinical laboratory safety parameters according to NCI CTCAE Version 5.0

    Measured: Participants will be assessed for up to 21 days and 57 days post first dose for SAD and MAD parts of the study respectively.

  5. Changes from baseline and clinically significant abnormalities in standard urinalysis laboratory safety parameters

    Measurement of standard urinalysis clinical laboratory safety parameters according to NCI CTCAE Version 5.0

    Measured: Participants will be assessed for up to 21 days and 57 days post first dose for SAD and MAD parts of the study respectively.

  6. Changes from baseline and clinically significant abnormalities 12-lead electrocardiogram (ECG) parameters

    Changes from baseline and clinically significant abnormalities in 12-lead ECG parameters recorded according to NCI CTCAE Version 5.0

    Measured: Participants will be assessed for up to 21 days and 57 days post first dose for SAD and MAD parts of the study respectively.

  7. Changes from baseline and clinically significant abnormalities in vital signs

    Changes from baseline and clinically significant abnormalities in vital signs according to NCI CTCAE Version 5.0

    Measured: Participants will be assessed for up to 21 days and 57 days post first dose for SAD and MAD parts of the study respectively.

  8. Number of participants with changes from baseline in anti-tissue transglutaminase (anti-tTG) immunoglobulin A (IgA) antibodies

    Measurement of anti tTG immunoglobulin at screening and post treatment

    Measured: Participants will be assessed for up to 21 days and 57 days post first dose for SAD and MAD parts of the study respectively.

  9. Changes in physical examination findings

    Full physical examination required at screening; symptom-directed physical examination at all other clinic visits. Each physical examination must include a review of the administration sites.

    Measured: Participants will be assessed for up to 21 days and 57 days post first dose for SAD and MAD parts of the study respectively.

Secondary outcomes (13)
  1. PART A SAD:Maximum concentration in plasma (Cmax) rapamycin component

    Blood concentration of the rapamycin component of VTP1000 at specified timepoints measured using a liquid chromatography tandem mass spectrometry (LC-MS/MS) method and standard pharmacokinetic parameters

    Measured: SAD Day 1 pre-dose; 0.083 hours* (±2 minutes), 0.25 hours* (±5 minutes), 0.5 hours (±5 minutes), 1 hour (±5 minutes), 2 hours (±5 minutes), 4 hours (±10 minutes), 8 hours (±10 minutes), 24 hours (±30 minutes), 48 hours (±2 hours), 120 hours (±3 hours).

  2. PART A SAD: Time corresponding to Cmax (Tmax) of rapamycin component

    Blood concentration of the rapamycin component of VTP1000 at specified timepoints measured using a liquid chromatography tandem mass spectrometry (LC-MS/MS) method and standard pharmacokinetic parameters

    Measured: Day 1 pre-dose; 0.083 hours* (±2 minutes), 0.25 hours* (±5 minutes), 0.5 hours (±5 minutes), 1 hour (±5 minutes), 2 hours (±5 minutes), 4 hours (±10 minutes), 8 hours (±10 minutes), 24 hours (±30 minutes), 48 hours (±2 hours), 120 hours (±3 hours).

  3. AUC from time 0 to last quantifiable concentration (AUC0-t) of rapamycin component

    Blood concentration of the rapamycin component of VTP1000 at specified timepoints measured using a liquid chromatography tandem mass spectrometry (LC-MS/MS) method and standard pharmacokinetic parameters

    Measured: Day 1 pre-dose; 0.083 hours* (±2 minutes), 0.25 hours* (±5 minutes), 0.5 hours (±5 minutes), 1 hour (±5 minutes), 2 hours (±5 minutes), 4 hours (±10 minutes), 8 hours (±10 minutes), 24 hours (±30 minutes), 48 hours (±2 hours), 120 hours (±3 hours).

  4. AUC extrapolated to infinity (AUC0-∞)of rapamycin component

    Blood concentration of the rapamycin component of VTP1000 at specified timepoints measured using a liquid chromatography tandem mass spectrometry (LC-MS/MS) method and standard pharmacokinetic parameters

    Measured: Day 1 pre-dose; 0.083 hours* (±2 minutes), 0.25 hours* (±5 minutes), 0.5 hours (±5 minutes), 1 hour (±5 minutes), 2 hours (±5 minutes), 4 hours (±10 minutes), 8 hours (±10 minutes), 24 hours (±30 minutes), 48 hours (±2 hours), 120 hours (±3 hours).

  5. Half-life of rapamycin component

    Blood concentration of the rapamycin component of VTP1000 at specified timepoints measured using a liquid chromatography tandem mass spectrometry (LC-MS/MS) method and standard pharmacokinetic parameters

    Measured: Day 1 pre-dose; 0.083 hours* (±2 minutes), 0.25 hours* (±5 minutes), 0.5 hours (±5 minutes), 1 hour (±5 minutes), 2 hours (±5 minutes), 4 hours (±10 minutes), 8 hours (±10 minutes), 24 hours (±30 minutes), 48 hours (±2 hours), 120 hours (±3 hours).

  6. Clearance of rapamycin component

    Blood concentration of the rapamycin component of VTP1000 at specified timepoints measured using a liquid chromatography tandem mass spectrometry (LC-MS/MS) method and standard pharmacokinetic parameters

    Measured: Day 1 pre-dose; 0.083 hours* (±2 minutes), 0.25 hours* (±5 minutes), 0.5 hours (±5 minutes), 1 hour (±5 minutes), 2 hours (±5 minutes), 4 hours (±10 minutes), 8 hours (±10 minutes), 24 hours (±30 minutes), 48 hours (±2 hours), 120 hours (±3 hours).

  7. Volume of distribution of rapamycin component

    Blood concentration of the rapamycin component of VTP1000 at specified timepoints measured using a liquid chromatography tandem mass spectrometry (LC-MS/MS) method and standard pharmacokinetic parameters

    Measured: Day 1 pre-dose; 0.083 hours* (±2 minutes), 0.25 hours* (±5 minutes), 0.5 hours (±5 minutes), 1 hour (±5 minutes), 2 hours (±5 minutes), 4 hours (±10 minutes), 8 hours (±10 minutes), 24 hours (±30 minutes), 48 hours (±2 hours), 120 hours (±3 hours).

  8. Part B MAD:Maximum concentration in plasma (Cmax) rapamycin component

    The Maximum concentration in plasma (Cmax) results will be reviewed from Part A (SAD) and the Part B (MAD) schedule may be updated accordingly to include additional sampling timepoints and inclusion of the derivation of pharmacokinetic parameters, as applicable.

    Measured: Part B (MAD): Days 1, 15 and 29 pre-dose and 4 hours (±10 minutes) post-dose; Day 43 pre-challenge and Day 50

  9. Part B MAD:Time corresponding to Cmax (Tmax) of rapamycin component

    The Cmax(Tmax) results will be reviewed from Part A (SAD) and the Part B (MAD) schedule may be updated accordingly to include additional sampling timepoints and inclusion of the derivation of pharmacokinetic parameters, as applicable.

    Measured: Part B (MAD): Days 1, 15 and 29 pre-dose and 4 hours (±10 minutes) post-dose; Day 43 pre-challenge and Day 50

  10. Part B MAD:AUC from time 0 to last quantifiable concentration (AUC0-t) of rapamycin component

    The AUC from time 0 to last quantifiable concentration (AUC0-t) results will be reviewed from Part A (SAD) and the Part B (MAD) schedule may be updated accordingly to include additional sampling timepoints and inclusion of the derivation of pharmacokinetic parameters, as applicable.

    Measured: Part B (MAD): Days 1, 15 and 29 pre-dose and 4 hours (±10 minutes) post-dose; Day 43 pre-challenge and Day 50

  11. Part B MAD:AUC extrapolated to infinity (AUC0-∞)of rapamycin component

    The pharmacokinetic results will be reviewed from Part A (SAD) and the Part B (MAD) schedule may be updated accordingly to include additional sampling timepoints and inclusion of the derivation of pharmacokinetic parameters, as applicable.

    Measured: Part B (MAD): Days 1, 15 and 29 pre-dose and 4 hours (±10 minutes) post-dose; Day 43 pre-challenge and Day 50

  12. Part B MAD: Half-life of rapamycin component

    The Half-life results will be reviewed from Part A (SAD) and the Part B (MAD) schedule may be updated accordingly to include additional sampling timepoints and inclusion of the derivation of pharmacokinetic parameters, as applicable.

    Measured: Part B (MAD): Days 1, 15 and 29 pre-dose and 4 hours (±10 minutes) post-dose; Day 43 pre-challenge and Day 50

  13. Part B MAD: Clearance of rapamycin component

    The clearance of rapamycin component results will be reviewed from Part A (SAD) and the Part B (MAD) schedule may be updated accordingly to include additional sampling timepoints and inclusion of the derivation of pharmacokinetic parameters, as applicable.

    Measured: Part B (MAD): Days 1, 15 and 29 pre-dose and 4 hours (±10 minutes) post-dose; Day 43 pre-challenge and Day 50

Timeline

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

  1. First posted15 Mar 2024
  2. Study start1 Aug 2024
  3. Primary completionNov 2026 (estimated)
  4. Study completionNov 2026 (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
Early Phase 1
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Sequential
Model description
The Single Ascending Dose part of the trial contains a placebo controlled randomized 4+2 design, where four participants will receive active IMP and two placebo. The Multiple Ascending Dose is a standard sequential design
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
42 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06310291
Sponsor's protocol ID
GLU001
Status last verified
Nov 2026
First submitted
16 Feb 2024
Last updated
4 Nov 2026
Results posted
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Early Phase 1 study testing VTP-1000 in people with Celiac Disease, run by Barinthus Biotherapeutics at 16 sites 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 6 inclusion and 5 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 4 Nov 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 16 sites 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?

Early Phase 1 (sometimes called Phase 0) studies give a very small amount of a treatment to a few people, mainly to see how the body handles it.

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?

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?

Treatment Emergent Adverse Events, Serious Adverse Events and Adverse Events of Special Interest (AESIs) (time frame: Participants will be assessed for up to 21 days and 57 days post first dose for SAD and MAD parts of the study respectively.). The study lists 9 primary outcomes in all. 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 4 Nov 2026; AzTrials last refreshed its copy on 6 Nov 2026.

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