Clinical Trials

Several clinical trials are evaluating isoniazid-related preventative or therapeutic regimens for conditions including pediatric HIV, latent tuberculosis, and active tuberculosis. Ranging from Phase 1 investigations to non-phase observational and implementation studies, these efforts explore drug kinetics during preventative co-therapy as well as community-based disease control strategies. Academic medical centers, international research consortia, and university sponsors—including Brigham and Women's Hospital, the University of Cape Town, and ANRS Emerging Infectious Diseases—are conducting these studies, with recruitment statuses ranging from active to not yet recruiting.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT06281834 Not yet recruiting
Pediatric HIV Infection|Latent Tuberculosis
Brigham and Women''s Hospital|APIN Public Health Initiatives|University of Cape Town
2024-05 Phase 1
NCT05655702 Recruiting
Tuberculosis
ANRS Emerging Infectious Diseases|Haiphong University of Medicine and Pharmacy|Expertise France|Université Montpellier|New York University|CENTER FOR SUPPORTING COMMUNITY DEVELOPMENT INITIATIVES
2023-10-02 Not Applicable

(data from https://clinicaltrials.gov, updated on 2024-05-22)

Check the Isonicotinic acid product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Compliance for Clinical Use

Mechanism and Biochemical Profile

As a structural isomer and metabolite related to isoniazid metabolism, isonicotinic acid interacts with pyridine-dependent metabolic pathways to interfere with essential bacterial cell wall lipid assembly and metabolic precursor synthesis. This disruption of critical cell membrane components compromises mycobacterial cellular integrity and viability, thereby supporting its mechanistic relevance in clinical evaluations targeting tuberculosis prevention and treatment in populations such as pediatric HIV patients.

Appendix RUO and cGMP Quality Standards

Quality Dimension RUO (Research Use Only) cGMP (Current Good Manufacturing Practice)
Clinical Applicability Prohibited in human clinical trials or medical diagnostics. Mandatory for human clinical trials (Phase I–III) and therapies.
Regulatory Status Non-regulated grade; exempt from drug manufacturing laws. Legally enforced by health authorities (e.g., FDA, EMA, NMPA).
Facility Environment Unclassified analytical or research laboratories. Validated Cleanrooms (ISO Class 5–8) with continuous monitoring.
Quality Control Basic purity and activity testing. Rigorous safety release testing (Sterility, Endotoxin, Mycoplasma).
Process Validation Basic equipment calibration; no process validation required. Full qualification (IQ/OQ/PQ) and complete batch records.
Quality Assurance Vendor self-declared without required formal QMS. Mandatory QA/QC unit, Change Control, CAPA, and vendor audits.
Regulatory Impact High risk of IND rejection if used as a critical raw material. Required for IND/NDA filings, supported by Drug Master Files (DMF).

Footnotes

Regulatory Note: Governed by FDA (21 CFR Parts 210/211/312), EMA (EudraLex Vol 4), ICH Guidelines (E6/Q7/Q9/Q10), and compendial standards (USP <71>/<85>/<1043>).

Note: Technical data last updated: Sep 1, 2026.