Effects of Adjunct Omega-3 Long Chain Polyunsaturated Fatty Acids in Pulmonary Tuberculosis Patient: an Early Bactericidal Activity and Inflammatory Trial

NCT ID: NCT07118059

Last Updated: 2025-08-12

Basic Information

• Recruitment Status: NOT_YET_RECRUITING
• Clinical Phase: PHASE2
• Total Enrollment: 40 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2025-08-31
• Study Completion Date: 2026-12-31

Brief Summary

The goal of this randomized controlled trial is to evaluate the early bactericidal activity, early inflammatory response, and safety of omega-3 long chain polyunsaturated fatty acid (n-3 PUFA) supplementation in adult patients (aged 18- 45 years) with newly diagnosed, bacteriologically confirmed drug-sensitive pulmonary tuberculosis.

The main questions it aims to answers are:

• Does adjunct n-3 LCPUFA supplementation reduce the sputum culture time to positivity
• Does it improve inflammatory markers and TB treatment outcomes compared to placebo Researchers will compare daily supplementation with ~2g n-3 LCPUFA (EPA and DHA ) to placebo (high linoleic sunflower oil) to determine effects on bactericidal activity, inflammation, and clinical outcomes.

Participants will:

• Be randomly assigned to receive either n-3 LCPUFA or Placebo daily for 8 weeks with the intensive phase of TB treatment
• Attend clinical visit baseline, and follow up visit mostly weekly for 2 months and then monthly for 4 months of the continuous phase of TB treatment
• Provide blood, sputum and urine samples for biomarkers and metabolomic analysis
• Undergo assessments of iron status, body composition and muscle strength

Detailed Description

Anti-inflammatory omega-3 long-chain polyunsaturated fatty acids (n-3 LCPUFA) supplementation results in improvement of infectious respiratory conditions, yet little evidence in patients with pulmonary tuberculosis (TB) exists. Animal studies have shown that adjunct n-3 LCPUFA optimized treatment outcomes by resolving inflammation, improving immune response, and mitigating iron deficiency and anaemia of inflammation.

This randomized controlled early bactericidal activity (EBA), early inflammatory activity (EIA), and safety trial among patients with newly bacteriologically confirmed adult drug-sensitive pulmonary TB patients (DS-TB), aged 18 - 45 years (n = 40), will investigate the clinical and anti-inflammatory effects of n-3 LCPUFA adjunct treatment for two months.

Patients presenting at Tshepong Hospital, Klerksdorp, North West Province, will receive either ~2 g n-3 LCPUFA (eicosapentaenoic acid (EPA) plus docosahexaenoic acid (DHA)) or placebo (high-linoleic sunflower oil) daily for two months. The primary outcome is sputum culture time to positivity. Secondary outcomes include time to stable culture conversion, proportion of participants converted at 8 weeks, inflammatory markers and safety. Exploratory objectives include iron status, body composition and muscle strength, clinical outcomes, microbial translocation biomarkers, resting energy expenditure, fatty acid composition, plasma lipid mediators, and related metabolomics and gene expression.

Conditions

Tuberculosis; Inflammation Biomarkers; Liver Function Tests; Iron Status; Metabolomics; Nutritional Status; Clinical Outcomes

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: TREATMENT
• Blinding Strategy: QUADRUPLE

Study Groups

Omega 3 Long chain Polyunsaturated fatty acid

20 Participant will be in this arm, randomized for sex and HIV status. Participant in the intervention group will receive 3- 1g fish oil capsules capsules to take with their TB treatment of Omega 3 (real thing mega omega supreme). These capsules provide approximately 2g of EPA and DHA

Group Type: EXPERIMENTAL

Omega-3 (EPA+DHA)

Intervention Type: DIETARY_SUPPLEMENT

In this study omega-3 will be the real thing mega omega supreme capsule, it will be used as an adjunct therapy with TB treatment in the intensive phase of treatment. Participant will receive x3, 1g capsules which will provide approximately 2g of EPA and DHA

High Linoleic sunflower oil

The placebo group will also consist of 20 participant randomized and stratified for sex, HIV status. They will also receive 3 1g capsules of high linoleic sunflower oil that has been encapsulated using the specification and dimension of the omega 3 real thing capsules to closely match the intervention

Group Type: PLACEBO_COMPARATOR

Placebo

Intervention Type: DIETARY_SUPPLEMENT

This group will receive the placebo, which will be 3 x 1g capsules of high linoleic sunflower oil, the sunflower capsules have been encapsulated to match the dimension of the omega 3 supplement. The capsules will also be given as and adjunct to TB treatment of the intensive phase of TB treatment

Interventions

Omega-3 (EPA+DHA)

In this study omega-3 will be the real thing mega omega supreme capsule, it will be used as an adjunct therapy with TB treatment in the intensive phase of treatment. Participant will receive x3, 1g capsules which will provide approximately 2g of EPA and DHA

Intervention Type: DIETARY_SUPPLEMENT

Placebo

This group will receive the placebo, which will be 3 x 1g capsules of high linoleic sunflower oil, the sunflower capsules have been encapsulated to match the dimension of the omega 3 supplement. The capsules will also be given as and adjunct to TB treatment of the intensive phase of TB treatment

Intervention Type: DIETARY_SUPPLEMENT

Eligibility Criteria

Inclusion Criteria

• adults aged 18-45 years
• laboratory confirmed Pulmonary TB defined as a hard copy of a sputum result detected by WHO recommended assay or mycobacteria culture.
• Women of childbearing potential with a negative pregnancy test on enrollment
• All participant irrespective of HIV status who consent to have a HIV test during enrollment.

Exclusion Criteria

• Comorbid condition with treatment of NSAIDS is indicated
• Institutionalized or incarcerated individuals
• Those on Multiple drug resistance treatment for more than 4 days within the past 6 months or within 1 month to prior to TB treatment initiation
• Pregnant or breastfeeding women or women who become pregnant in the first 4 weeks of the trial will be withdrawn
• show lab safety values: AST or ALT > x3 upper limit of normal (ULN) or Total bilirubin > 2x the ULN, Neutrophils ≤ 700/mm³, Platelets < 50,000/mm³, Haemoglobin < 8 g/dL, Serum creatinine > 2× ULN.
• Are receiving or planning treatment with any of the following in the 3 months before or during the trial:

Anticoagulants Immune-modulating therapy (e.g., cancer treatment, oral/inhaled corticosteroids) Antacids or proton pump inhibitors (PPIs)

• Have a known allergy or sensitivity to fish or fish oil.
• Have a recent history (within 2 years) or current clinical evidence of:

Peptic ulcer disease or GI bleeding Coagulopathy or bleeding disorders Kidney or liver disease requiring hospitalisation Cardiovascular disease or significant risk factors for it

-Are HIV-positive and meet any of the following: CD4 count < 100 cells/mm³ Viral load > 400 copies/mL (if on ART) Not yet on ART but are expected to initiate treatment during the 8-week intervention phase

• Report high-risk alcohol use (average >4 units/day or binge drinking patterns)
• Have any other medical condition or situation that, in the investigator's opinion, may interfere with protocol adherence or data interpretation.
• Plan to relocate from the study area within the next 3 months.
• Are currently using omega-3 or omega-6 supplements and are unwilling to stop for the duration of the study.

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 45 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

Perinatal HIV Research Unit of the University of the Witswatersrand

OTHER

Sponsor Role: collaborator

North-West University, South Africa

OTHER

Sponsor Role: lead

Responsible Party

Linda Malan

Prof

Responsibility Role: PRINCIPAL_INVESTIGATOR

Principal Investigators

Linda prof

Role: PRINCIPAL_INVESTIGATOR

North West University

Locations

Perinatal HIV research Unit (Matlosana)

Klerksdorp, North West, South Africa

Countries

South Africa

Central Contacts

Tumelo Dr

Role: CONTACT

moloantoat@phru.co.za

+27 180113800

Ziska Pretorius, B. Cur

Role: CONTACT

pretoriusz@phru.co.za

+27 180113815

Facility Contacts

Tumelo DR

Role: primary

moloantoat@phru.co.za

+27 180113800

Ziska Pretorius

Role: backup

pretoriusz@phru.co.za

References

Hayford FEA, Dolman RC, Ozturk M, Nienaber A, Ricci C, Loots DT, Brombacher F, Blaauw R, Smuts CM, Parihar SP, Malan L. Adjunct n-3 Long-Chain Polyunsaturated Fatty Acid Treatment in Tuberculosis Reduces Inflammation and Improves Anemia of Infection More in C3HeB/FeJ Mice With Low n-3 Fatty Acid Status Than Sufficient n-3 Fatty Acid Status. Front Nutr. 2021 Aug 24;8:695452. doi: 10.3389/fnut.2021.695452. eCollection 2021.

Reference Type: BACKGROUND

PMID: 34504860 (View on PubMed)

Hayford FEA, Dolman RC, Blaauw R, Nienaber A, Smuts CM, Malan L, Ricci C. The effects of anti-inflammatory agents as host-directed adjunct treatment of tuberculosis in humans: a systematic review and meta-analysis. Respir Res. 2020 Aug 26;21(1):223. doi: 10.1186/s12931-020-01488-9.

Reference Type: BACKGROUND

PMID: 32847532 (View on PubMed)

Nienaber A, Ozturk M, Dolman RC, Zandberg L, Hayford FE, Brombacher F, Blaauw R, Smuts CM, Parihar SP, Malan L. Beneficial effect of long-chain n-3 polyunsaturated fatty acid supplementation on tuberculosis in mice. Prostaglandins Leukot Essent Fatty Acids. 2021 Jul;170:102304. doi: 10.1016/j.plefa.2021.102304. Epub 2021 May 26.

Reference Type: BACKGROUND

PMID: 34082319 (View on PubMed)

Nenni V, Nataprawira HM, Yuniati T. Role of combined zinc, vitamin A, and fish oil supplementation in childhood tuberculosis. Southeast Asian J Trop Med Public Health. 2013 Sep;44(5):854-61.

Reference Type: BACKGROUND

PMID: 24437320 (View on PubMed)

Other Identifiers

20250308

Identifier Type: OTHER

Identifier Source: secondary_id

250209

Identifier Type: OTHER

Identifier Source: secondary_id

TREAT 3

Identifier Type: -

Identifier Source: org_study_id