Evidence map›Paper›PMID 40401788›Full record

ArticleClinical pharmacology and therapeutics2025

From Discovery to Translation: Endogenous Substrates of OAT1 and OAT3 as Clinical Biomarkers for Renal Secretory Function.

Aarzoo Thakur, Dilip K Singh, Katherine D Hart, Emese Kis, Zsuzsanna Gáborik, Travis T Denton, John D Clarke, Mary F Paine, Bhagwat Prasad

Abstract read
In one paragraph

Article in Clinical pharmacology and therapeutics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

8 citing papers in PubMed.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors.

Aarzoo ThakurCollege of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, Washington, USA.ORCID 0000-0003-3906-5250
Dilip K SinghCollege of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, Washington, USA.
Katherine D HartCollege of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, Washington, USA.ORCID 0000-0003-0509-7852
Emese KisCharles River Laboratories Hungary Kft, Budapest, Hungary.
Zsuzsanna GáborikCharles River Laboratories Hungary Kft, Budapest, Hungary.
Travis T DentonCollege of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, Washington, USA.
John D ClarkeCollege of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, Washington, USA.
Mary F PaineCollege of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, Washington, USA.ORCID 0000-0002-3331-1839
Bhagwat PrasadCollege of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, Washington, USA.ORCID 0000-0002-9090-0912

Funding

Pharmacology CoreU54AT008909 · NCCIH · WASHINGTON STATE UNIVERSITY · PI PAINE, MARY F · 2015 to 2024
$22.4M
PBPK prediction of ontogeny mediated alteration in hepatic drug eliminationR01HD081299 · NICHD · WASHINGTON STATE UNIVERSITY · PI PRASAD, BHAGWAT · 2015 to 2025
$4.6M
NCCIH NIH HHS U54 AT008909NICHD NIH HHS R01 HD081299
6 · The paper itself

Abstract

The recent ICH M12 guidance on Drug Interaction Studies encourages the use of alternate approaches for predicting drug-drug interaction (DDI) potential of new chemical entities. One approach involves the use of endogenous substrates of drug metabolizing enzymes and transporters (DMET) as biomarkers, which can assess the inhibitory potential of new chemical entities towards DMET during Phase 1 clinical studies. Thus, biomarkers could potentially eliminate the need for dedicated DDI studies with exogenous probe substrates. Metabolomics, in conjunction with in vitro and/or in vivo preclinical models or clinical studies, can be used for biomarker discovery. We developed and applied a novel metabolomics-based DMET biomarker discovery (MDBD) approach to identify and qualify biomarkers of renal organic anion transporter 1 (OAT1) and OAT3. Untargeted metabolomics of pooled plasma and urine samples (n = 16) from a pharmacokinetic DDI study using the OAT1/3 inhibitor, probenecid, yielded 153 features identified as putative OAT1/3 biomarkers. Subsequently, in vitro transporter uptake assays using processed urine samples confirmed 57 of these features as OAT1 and/or OAT3 substrates. Finally, 23 features were clinically validated as OAT1/3 biomarkers through a detailed pharmacokinetic analysis (0-24 h) of plasma and urine samples (n = 4). These biomarkers, either alone or as part of a panel, can predict OAT1/3-mediated DDIs and interindividual variability in the renal secretory clearance of organic anions across different populations, thereby enabling translational utility in clinical settings. The novel MDBD approach can be extended to discover biomarkers of enzymes and other transporters.

Indexed as

KidneyOrganic Anion Transporters, Sodium-IndependentOrganic Anion Transport Protein 1BiomarkersDrug InteractionsHumansMaleMetabolomicsProbenecidTranslational Research, BiomedicalBiomarkersOrganic Anion Transporters, Sodium-IndependentOrganic Anion Transport Protein 1organic anion transport protein 3Probenecid

Identifiers

PMID40401788
PMCPMC12353907

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Registered trials

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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.