Trial reportEBioMedicine2022
Combining SJ733, an oral ATP4 inhibitor of Plasmodium falciparum, with the pharmacokinetic enhancer cobicistat: An innovative approach in antimalarial drug development.
Trial report in EBioMedicine, 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 10 papers.
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.
Phase 1a, First-In-Human, Dose-Escalation Study of (+)-SJ000557733 (SJ733), an Oral, Novel Inhibitor of Plasmodium Falciparum Plasma Membrane Protein PfATP4
A Phase 2B Trial of the Combination of SJ733 and Tafenoquine for Radical Cure of P. Vivax Malaria in Comparison to Chloroquine-Tafenoquine
Who cites it
10 citing papers in PubMed, 16 citations in OpenAlex.
- Identification of α-Azacyclic Acetamide-Based Inhibitors ofACS infectious diseases · 2025Article
- Malaria: past, present, and future.Signal transduction and targeted therapy · 2025Review
- Innovations in Antimalarial Drug Discovery: New Targets and Leads.Current drug targets · 2025Review
- Evaluation of Larger Side-Group Functionalities and the Side/End-Group Interplay in Ritonavir-Like Inhibitors of CYP3A4.Chemical biology & drug design · 2025Article
- The possibilities and challenges associated with selective targetingTransactions of the Royal Society of South Africa. Royal Society of South Africa · 2025Article
- Targeting Malaria's Achilles' Heels: A Review of Plasmodium Life Cycle Vulnerabilities for Drug Discovery.Current topics in medicinal chemistry · 2025Review
- Interaction of CYP3A4 with the inhibitor cobicistat: Structural and mechanistic insights and comparison with ritonavir.Archives of biochemistry and biophysics · 2024Article
- Transmission-Blocking Strategies for Malaria Eradication: Recent Advances in Small-Molecule Drug Development.Pharmaceuticals (Basel, Switzerland) · 2024Review
- A pH Fingerprint Assay to Identify Inhibitors of Multiple Validated and Potential Antimalarial Drug Targets.ACS infectious diseases · 2024Article
- Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
22 authors at 6 institutions in 3 countries.
Funding
Abstract
backgroundSJ733, a newly developed inhibitor of P. falciparum ATP4, has a favorable safety profile and rapid antiparasitic effect but insufficient duration to deliver a single-dose cure of malaria. We investigated the safety, tolerability, and pharmacokinetics of a multidose SJ733 regimen and a single-dose pharmacoboost approach using cobicistat to inhibit CYP3A4, thereby increasing exposure.
methodsTwo multidose unboosted cohorts (n = 9) (SJ733, 300 mg and 600 mg daily for 3 days) followed by three single-dose boosted cohorts combining SJ733 (n = 18) (75-, 300-, or 600-mg single dose) with cobicistat (150-mg single dose) as a pharmacokinetic booster were evaluated in healthy volunteers (ClinicalTrials.gov: NCT02661373).
findingsAll participants tolerated SJ733 well, with no serious adverse events (AEs), dose-limiting toxicity, or clinically significant electrocardiogram or laboratory test findings. All reported AEs were Grade 1, clinically insignificant, and considered unlikely or unrelated to SJ733. Compared to unboosted cohorts, the SJ733/cobicistat-boosted cohorts showed a median increase in area under the curve and maximum concentration of 3·9 × and 2·6 ×, respectively, and a median decrease in the ratio of the major CYP3A-produced metabolite SJ506 to parent drug of 4·6 × . Incorporating these data in a model of parasite dynamics indicated that a 3-day regimen of SJ733/cobicistat (600 mg/150 mg daily) relative to a single 600-mg dose ± cobicistat would increase parasite clearance from 10
interpretationThe multidose and pharmacoboosted approaches to delivering SJ733 were well-tolerated and significantly increased drug exposure and prediction of cure. This study supports the further development of SJ733 and demonstrates an innovative pharmacoboost approach for an antimalarial.
fundingGlobal Health Innovative Technology Fund, Medicines for Malaria Venture, National Institutes of Health, and American Lebanese Syrian Associated Charities.
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What OpenQuestion holds
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.