ArticleClinical pharmacology in drug development2022
Drug-Drug Interactions With the Hepatitis B Virus Capsid Assembly Modulator JNJ-56136379 (Bersacapavir).
Article in Clinical pharmacology in drug development, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Cited by 5 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Phase 1, Open-label Study in Healthy Female Subjects to Investigate the Effect of JNJ-56136379 at Steady-state on the Single-dose Pharmacokinetics of Ethinylestradiol and Drospirenone (Oral Contraceptive) and on the Single-dose Pharmacokinetics of Midazolam (Probe Substrate for Cytochrome P450 3A4)
An Open-label, Fixed-sequence, Drug-drug Interaction Study to Evaluate the Effect of Itraconazole on the Pharmacokinetics of JNJ-56136379 in Healthy Adult Participants
Who cites it
5 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.
- Collecting Metabolite Pharmacokinetics in Drug-Drug Interaction Studies: A Review of Industry Practices and Data Utilization.Clinical pharmacokinetics · 2026Pooled it
- Computer-Aided Drug Design Across Breast Cancer Subtypes: Methods, Applications and Translational Outlook.International journal of molecular sciences · 2025Review
- Chronic Hepatitis B: Current Management and Future Directions.Diseases (Basel, Switzerland) · 2025Review
- An open-label study to explore the optimal design of CYP3A drug-drug interaction clinical trials in healthy Chinese people.Pharmacology research & perspectives · 2024Article
- The premise of capsid assembly modulators towards eliminating HBV persistence.Expert opinion on drug discoveryReview
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
11 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The capsid assembly modulator JNJ-56136379 (bersacapavir) disrupts hepatitis B virus replication. It is metabolized via cytochrome P450 (CYP) 3A, but little is known about the drug-drug interactions of JNJ-56136379 when combined with drugs that inhibit or are metabolized by CYP3A. In a phase 1, open-label trial (NCT03945539), healthy adults received 1 dose of JNJ-56136379 with and without 21 days of prior exposure to itraconazole 200 mg (CYP3A inhibitor). In a second phase 1, open-label trial (NCT03111511), healthy women received 1 dose of drospirenone/ethinyl estradiol and midazolam before and after 15 days of JNJ-56136379. Itraconazole increased the area under the plasma concentration-time curve (AUC) of JNJ-56136379 by 38%. JNJ-56136379 reduced the maximum observed concentration and AUC of midazolam (CYP3A substrate) by 42%-54%, increased AUC of ethinyl estradiol by 1.6-fold, but had no effect on drospirenone pharmacokinetics. Overall, these results demonstrated that a strong CYP3A inhibitor (itraconazole) modestly increased JNJ-56136379 exposure. Furthermore, JNJ-56136379 was a weak inducer of CYP3A (midazolam) and increased ethinyl estradiol exposure; coadministration of high-dose estrogen-based contraceptives and JNJ-56136379 is not recommended.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.