NCT04305769

Brief Summary

This is a randomized, double-blind, placebo-controlled trial to determine the optimal dose and safety of oral alanyl-glutamine between 4, 24, and 44 g doses administered for 10 days with standard therapy among first time incident cases of uncomplicated C. difficile infection (CDI) in hospitalized, or outpatient, persons aged 18 or older. The investigators hypothesis is that alanyl-glutamine supplementation will decrease recurrence and mortality from CDI and these outcomes will be associated with improvement of inflammatory markers and restoration of intestinal microbiota function.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
260

participants targeted

Target at P75+ for phase_2

Timeline
14mo left

Started Jun 2021

Longer than P75 for phase_2

Geographic Reach
1 country

2 active sites

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

Study Progress81%
Jun 2021Jun 2027

First Submitted

Initial submission to the registry

March 9, 2020

Completed
3 days until next milestone

First Posted

Study publicly available on registry

March 12, 2020

Completed
1.2 years until next milestone

Study Start

First participant enrolled

June 1, 2021

Completed
5.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2026

Expected
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2027

Last Updated

October 26, 2024

Status Verified

October 1, 2024

Enrollment Period

5.6 years

First QC Date

March 9, 2020

Last Update Submit

October 22, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Number of participants with recurrent CDI.

    Documented C difficile infection defined by presence of recurrent diarrhea with stool positive for C difficile assay necessitating treatment with anti-C. difficile antibiotic.

    Within 60 days post-treatment

Secondary Outcomes (1)

  • Number of participants who died post-study treatment

    Until 60 days post-treatment

Study Arms (4)

Alanyl-glutamine 0g

PLACEBO COMPARATOR
Drug: Alanyl-glutamine

Alanyl-glutamine 4g

EXPERIMENTAL
Drug: Alanyl-glutamine

Alanyl-glutamine 24g

EXPERIMENTAL
Drug: Alanyl-glutamine

Alanyl-glutamine 44g

EXPERIMENTAL
Drug: Alanyl-glutamine

Interventions

The study agent is AQ, a dipeptide with a glutamine amino group joined to an alanyl residue. It has the following chemical structure: C8H15N3O4. It is a non-animal product available in the form of white crystals or crystalline powder. It is odorless, tasteless, stable and highly soluble.

Also known as: Alagln, AQ, glutamine
Alanyl-glutamine 0gAlanyl-glutamine 24gAlanyl-glutamine 44gAlanyl-glutamine 4g

Eligibility Criteria

Age18 Years - 105 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Provision of signed and dated informed consent form
  • Stated willingness to comply with all study procedures and availability for the duration of the study
  • Male or female, aged 18 years and older.
  • Admitted to UVA hospital, or seen as an outpatient, or seen at Carilion hospital.
  • Presence of diarrhea\*
  • Episode of C. difficile infection, non-severe or severe uncomplicated.
  • Within 120 hours of receiving standard therapy (oral vancomycin or fidaoxmicin).
  • Must be able to provide informed consent in person or electronically, or if not able to have a LAR to provide consent, in person or remotely via virtual or electronic means.

You may not qualify if:

  • At enrollment, presence of any of the following:
  • Hypotension or shock
  • Megacolon or moderate to severe ileus
  • Acute abdomen
  • Admission to intensive care unit
  • Inability to tolerate oral or enteral medication
  • Presence of other known infectious etiology of diarrhea
  • COVID-19 co-infection at the time of CDI diagnosis.
  • Absolute neutrophil count \<500 mcl
  • Within 100 days of hematologic or solid organ transplant
  • Inflammatory bowel disease (e.g. Crohn's disease, ulcerative colitis) or other etiology of non-infectious diarrhea. For patients with history of IBD, allow enrollment if disease is well-controlled and stable (not in flare).
  • Enrollment in another investigational drug trial
  • Current use of alternative treatment for CDI (e.g. antibiotics other than vancomycin or fidaxomicin; IVIg; fecal transplant).
  • On probiotics and not willing to discontinue.
  • Cirrhosis or in participants with ALT \> 3X normal
  • +2 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

UVA Health Systems

Charlottesville, Virginia, 22903, United States

RECRUITING

Carilion Clinic

Roanoke, Virginia, 24014, United States

RECRUITING

Related Publications (1)

  • Warren CA, Shin JH, Bansal EN, Costa DVDS, Wang XQ, Wu M, Swann JR, Behm BW, Targonski PV, Archbald-Pannone L. Alanyl-glutamine supplementation for Clostridioides difficile infection treatment (ACT): a double-blind randomised controlled trial study protocol. BMJ Open. 2023 Jul 19;13(7):e075721. doi: 10.1136/bmjopen-2023-075721.

MeSH Terms

Conditions

Clostridium InfectionsEnterocolitis, Pseudomembranous

Interventions

alanylglutamineGlutamine

Condition Hierarchy (Ancestors)

Gram-Positive Bacterial InfectionsBacterial InfectionsBacterial Infections and MycosesInfectionsEnterocolitisGastroenteritisGastrointestinal DiseasesDigestive System DiseasesIntestinal Diseases

Intervention Hierarchy (Ancestors)

Amino Acids, BasicAmino AcidsAmino Acids, Peptides, and ProteinsAmino Acids, DiaminoAmino Acids, Neutral

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Block randomization will be applied to assign participants to one of the four study groups, either one of the three experimental (AQ) or control (placebo) group in 1:1:1:1 allocation from a list containing the randomized and blinded treatment assignments.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Research Professor

Study Record Dates

First Submitted

March 9, 2020

First Posted

March 12, 2020

Study Start

June 1, 2021

Primary Completion (Estimated)

December 31, 2026

Study Completion (Estimated)

June 30, 2027

Last Updated

October 26, 2024

Record last verified: 2024-10

Data Sharing

IPD Sharing
Will share

All IPD that underlie results in publication

Shared Documents
STUDY PROTOCOL, SAP
Time Frame
6 months after publication
Access Criteria
To be determined later.

Locations