Tier 2 — strong

Effects of berberine on the blood concentration of cyclosporin A in renal transplanted recipients: clinical and pharmacokinetic study

Wu X, Li Q, Xin H, Yu A, Zhong M
European journal of clinical pharmacology 2005 61(8):567-572

Bibliography

PubMed
PMID 16133554
Funding
Funding was not established from the accessible source; this is not a declaration of no funding.
Competing interests
A complete competing-interest declaration was not available in the accessible source; no absence of conflicts is inferred.

Study snapshot

DesignControlled transplant interaction trial plus pharmacokinetic substudy
ModelHuman participants; see population
Sample104 renal-transplant recipients; separate six-person PK component
InterventionBerberine 200 mg three times/day with cyclosporine versus cyclosporine alone
Duration3 months; separate 12-day PK assessment
EndpointsPlasma exposure and pharmacokinetics; Drug interaction measurements; Short-term tolerability

What the study showed, in plain terms

Berberine increased cyclosporine exposure in transplant recipients. This is a clinically relevant interaction requiring specialist monitoring.

Key findings

  • Berberine increased cyclosporine exposure in transplant recipients. This is a clinically relevant interaction requiring specialist monitoring.

What this study can and cannot tell us

A narrow-therapeutic-index medicine and specialized population; findings do not justify self-adjusting immunosuppressant doses.

Source detail: indexed abstract and bibliographic record; unavailable methods or disclosures are identified rather than assumed.

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