NCT03851159

Brief Summary

This will be the first study to evaluate the use of Nyaditum resae® as a potential agent for reducing antibiotic-associated gut dysbiosis in patients with drug-susceptible TB, and potentially improving clinical and microbiological markers of outcome

Trial Health

75
On Track

Trial Health Score

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

Enrollment
48

participants targeted

Target at P25-P50 for not_applicable

Timeline
8mo left

Started May 2019

Longer than P75 for not_applicable

Geographic Reach
1 country

2 active sites

Status
active not 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 Progress91%
May 2019Dec 2026

First Submitted

Initial submission to the registry

February 19, 2019

Completed
3 days until next milestone

First Posted

Study publicly available on registry

February 22, 2019

Completed
3 months until next milestone

Study Start

First participant enrolled

May 10, 2019

Completed
7.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2026

Last Updated

May 5, 2026

Status Verified

May 1, 2026

Enrollment Period

7.6 years

First QC Date

February 19, 2019

Last Update Submit

May 4, 2026

Conditions

Keywords

Microbiome

Outcome Measures

Primary Outcomes (1)

  • Gut microbiome composition in placebo versus experimental arm

    Gut microbial composition determined by next-generation sequencing of bacterial DNA in stool

    Up to 18 months

Secondary Outcomes (2)

  • Cytokine and cluster of differentiation (CD)4+ T-cell response in placebo versus experimental arm

    Up to 18 months

  • Time to sputum conversion and reduction in bacillary load

    Up to 6 months

Study Arms (4)

No Intervention: HIV-negative

PLACEBO COMPARATOR

HIV-negative patients are selected to receive the placebo for the first two weeks of first-line TB treatment.

Other: Mannitol

Intervention: HIV-

EXPERIMENTAL

HIV-negative patients are selected to receive the food supplement for the first two weeks of first-line TB treatment.

Dietary Supplement: Nyaditum resae®

No Intervention: HIV+

PLACEBO COMPARATOR

HIV-positive patients are selected to receive the placebo for the first two weeks of first-line TB treatment.

Other: Mannitol

Intervention: HIV+:

EXPERIMENTAL

HIV-positive patients are selected to receive the food supplement for the first two weeks of first-line TB treatment.

Dietary Supplement: Nyaditum resae®

Interventions

Nyaditum resae®DIETARY_SUPPLEMENT

Heat-killed Mycobacterium manresensis

Intervention: HIV+:Intervention: HIV-

Placebo

No Intervention: HIV+No Intervention: HIV-negative

Eligibility Criteria

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

You may qualify if:

  • years
  • New cases
  • Sputum Xpert Ultra (Xpert) positive for Mycobacterium tuberculosis
  • Have not initiated TB treatment
  • If HIV-positive, are stable on antiretroviral therapy

You may not qualify if:

  • Resistance to any of the first-line drugs (Xpert rifampicin-resistant)
  • Previous TB
  • Diabetes mellitus
  • Taking immunomodulatory drugs (e.g. cancer chemotherapy, tumour necrosis factor (TNF) inhibitors or other anti-inflammatory medication, phosphodiesterase inhibitors, corticosteroids within the past 6 months, and cholesterol-lowering drugs)
  • Pregnant or lactating women
  • Chronic hepatitis

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Scottsdene Clinic

Cape Town, Western Cape, 7570, South Africa

Location

Wallacedene Clinic

Cape Town, Western Cape, 7570, South Africa

Location

MeSH Terms

Conditions

Tuberculosis

Interventions

Mannitol

Condition Hierarchy (Ancestors)

Mycobacterium InfectionsActinomycetales InfectionsGram-Positive Bacterial InfectionsBacterial InfectionsBacterial Infections and MycosesInfections

Intervention Hierarchy (Ancestors)

Sugar AlcoholsAlcoholsOrganic ChemicalsCarbohydrates

Study Officials

  • Grant Theron, PHD

    University of Stellenbosch

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
OTHER
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

February 19, 2019

First Posted

February 22, 2019

Study Start

May 10, 2019

Primary Completion (Estimated)

December 31, 2026

Study Completion (Estimated)

December 31, 2026

Last Updated

May 5, 2026

Record last verified: 2026-05

Locations