Pharmacokinetics of minocycline with and without rifampicin co-administration in patients with nontuberculous mycobacterial disease

OBJECTIVES: Minocycline demonstrates in vitro activity against Mycobacterium avium complex (MAC), but pharmacokinetic data in patients are limited. Additionally, co-administration with rifampicin may significantly alter minocycline pharmacokinetics. We evaluated the pharmacokinetics of minocycline with and without rifampicin co-administration in patients with nontuberculous mycobacterial (NTM) disease.

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✦ The floor

Discussion

Signed responses from readers of the wire.

✦ Clinical Takeaway ✦

Audiologists monitoring patients on minocycline for nontuberculous mycobacterial disease should be aware that rifampicin co-administration may alter minocycline drug levels in ways that affect ototoxicity risk, warranting vigilance in ototoxicity monitoring protocols.

✦ Why It Matters ✦

Minocycline carries known ototoxic (hearing-damaging) potential, and pharmacokinetic interactions with rifampicin could change drug exposure levels, making this relevant for audiologists involved in ototoxicity monitoring programs.

✦ Key Points ✦

01Minocycline is an antibiotic used for nontuberculous mycobacterial (NTM) disease and has known ototoxic potential.
02Rifampicin co-administration may alter minocycline pharmacokinetics (how the drug moves through the body).
03Study published in Journal of Antimicrobial Chemother in patients with NTM disease including Mycobacterium avium complex.
04Changes in drug exposure could affect both efficacy and risk of hearing-related side effects.
05Findings are relevant to ototoxicity monitoring programs in audiology.

✦ Claims & Evidence ✦

ClaimEvidenceSupport

Rifampicin co-administration alters the pharmacokinetics of minocycline in patients with nontuberculous mycobacterial disease.

studyunclear

Minocycline pharmacokinetic changes with rifampicin may have clinical implications for dosing and adverse-effect management.

studypartially supported

✦ Research metadata ✦

PMID: 42531224
DOI: 10.1093/jac/dkag262.
Journal: Journal of Antimicrobial Chemotherapy
Publication type: research_article
Evidence level: 2b
Population: Patients with nontuberculous mycobacterial disease, including Mycobacterium avium complex
Intervention: Minocycline with rifampicin co-administration
Comparator: Minocycline without rifampicin

Primary outcomes

Pharmacokinetic parameters of minocycline (e.g., AUC, Cmax, clearance); Effect of rifampicin co-administration on minocycline drug exposure

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