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‘LASER-TBM’ Linezolid, ASpirin and Enhanced dose Rifampicin in HIV-TBM

Phase IIA Trial of the Safety and Tolerability of Increased Dose Rifampicin and Adjunctive Linezolic, with or without, for HIV-Associated Tuberculous Meningitis

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
PACTR
Registry ID
PACTR201902921101705
Enrollment
100
Registered
2019-02-27
Start date
2019-04-01
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

HIV/AIDS Tuberculous meningitis

Interventions

Arm 1 Standard Antitubercular Therapy
Arm 2 Intensified Antitubercular Therapy and LZD
Arm 3 Intensified Antitubercular Therapy and LZD and ASA

Sponsors

Wellcome Trust University of Cape Town
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: HIV-1 seropositivity by rapid test, confirmed by enzyme-linked immunosorbent assay (regardless of ART status); Age 18 years or older; Tuberculous Meningitis defined as ‘possible’, ‘probable’ or ‘definite’ as per the published case definition[68]

Exclusion criteria

Exclusion criteria: Rifampicin-resistant M. tb detected in any microbiological specimen; History of allergy or hypersensitivity to H, E, R and Z, LZD or ASA; Received more than 5 days of antitubercular therapy in the 30 days prior to screening; Received a dose of ASA or any other NSAID within 2 weeks of screening; CSF unobtainable by lumbar puncture or another procedure; Evidence of bacterial or cryptococcal meningitis; Severe concurrent uncontrolled opportunistic infection including but not limited to active cytomegalovirus-associated disease, Kaposi sarcoma, Pneumocystis jirovecii pneumonia, HIV related or unrelated malignancy or gastrointestinal bleeding; Any other form of immunosuppressive therapy including antineoplastic and biologic agents apart from corticosteroids; Is pregnant in the third trimester; Peripheral neuropathy scoring Grade 3 or above on Brief Peripheral Neuropathy Score; Any disease or condition in which the use of the standard TB drugs or any of their components is contraindicated, including but not limited to allergy to any TB drug or their components; The presence of one or more of the following: - Estimated glomerular filtration rate (eGFR) 1.4 and/or clinical evidence of liver failure or decompensated cirrhosis - Hemoglobin < 8.0 g/dL - Platelets < 50 x109 /L - Neutrophils < 0.5 x 109 cells/L; The patient has any disease or condition in which any of the medicinal products listed in the section pertaining to prohibited medication (section xx) is used and cannot be safely stopped; The patient has a known or suspected, current or history of drug abuse, within the past 2 years, that is, in the opinion of the investigators, sufficient to compromise the safety or cooperation of the patient

Design outcomes

Primary

MeasureTime frame
The incidence of solicited treatment-related AEs and death at 56 days associated with increased dose RIF plus LZD with or without adjunctive ASA, when administered alongside standard antitubercular

Secondary

MeasureTime frame
1. Death (MRS 6) and disability (MRS 5) ;2. Death ;3. Disability, stratified by baseline MRC grade. ;4. Grade 3 or 4 AE. ;5. Permanent discontinuation of experimental drugs. ;6. Severity and frequency of haematologic and neurologic AE and hyperlactataemia related to LZD use. ;7. Severity and frequency of major bleeding (gastrointestinal and intracerebral) related to ASA use. ;8. M. tb culture status and time to positivity in automated liquid culture (MGIT) and Gene Xpert® Ultra cycle threshold (Ct) values ;9. The occurrence of TBM-IRIS assessed by the modified INSHI criteria [17]. ;10. MRI and CT changes

Countries

South Africa

Contacts

Public ContactStephani;Angharad Grace Botha;Davis

Research Medical Officer ;Lead Investigator

stephani.botha@uct.ac.za;angharad.davis@uct.ac.za+27214066084;+2761658826

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Aug 9, 2026