Evidence map›Paper›PMID 39475591›Full record

Trial reportJournal of clinical oncology : official journal of the American Society of Clinical Oncology2025

Onvansertib in Combination With Chemotherapy and Bevacizumab in Second-Line Treatment of

Daniel H Ahn, Maya Ridinger, Timothy L Cannon, Lawrence Mendelsohn, Jason S Starr, Joleen M Hubbard, Anup Kasi, Afsaneh Barzi, Errin Samuëlsz, Anju Karki and 8 more

Erratum issued Registry-linked trialAbstract readClinical Trial, Phase IIMulticenter Study
In one paragraph

Trial report in Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. It is linked to trial NCT03829410 (A Phase 1b/2 Study of Onvansertib), which is not on this map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing 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.

NCT03829410 phase1 / phase2completednot on this map

A Phase 1b/2 Study of Onvansertib (PCM-075) in Combination With FOLFIRI and Bevacizumab for Second Line Treatment of Metastatic Colorectal Cancer in Patients With a KRAS Mutation

TypeinterventionalSponsorCardiff OncologyRan2019 to 2024Enrolled68ConditionsMetastatic Colorectal Cancer, KRAS Gene MutationArmsOnvansertib, Bevacizumab, FOLFIRI
3 · Its place in the literature

Who cites it

24 citing papers in PubMed.

  1. Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

18 authors.

Daniel H AhnDivision of Medical Oncology, Mayo Clinic, Phoenix, AZ.ORCID 0000-0002-0161-4018
Maya RidingerCardiff Oncology Inc, San Diego, CA.ORCID 0000-0001-5833-5573
Timothy L CannonInova Schar Cancer Institute, Fairfax, VA.ORCID 0000-0001-5033-3071
Lawrence MendelsohnCarti Cancer Center, Little Rock, AR.
Jason S StarrDivision of Hematology and Oncology, Mayo Clinic, Jacksonville, FL.ORCID 0000-0003-4922-1392
Joleen M HubbardDivision of Oncology, Department of Medicine, Mayo Clinic, Rochester, MN.ORCID 0000-0001-8250-4920
Anup KasiDivision of Medical Oncology, University of Kansas Medical Center, Kansas City, KS.ORCID 0000-0002-4305-5701
Afsaneh BarziDivision of Medical Oncology and Therapeutics, City of Hope Comprehensive Cancer Center, Duarte, CA.ORCID 0000-0002-0032-2988
Errin SamuëlszCardiff Oncology Inc, San Diego, CA.ORCID 0000-0002-3424-7330
Anju KarkiCardiff Oncology Inc, San Diego, CA.ORCID 0000-0003-4042-0045
Ramanand A SubramanianCardiff Oncology Inc, San Diego, CA.ORCID 0009-0005-2741-2675
Divora YemaneCardiff Oncology Inc, San Diego, CA.
Roy KimCardiff Oncology Inc, San Diego, CA.
Chu-Chiao WuCardiff Oncology Inc, San Diego, CA.ORCID 0009-0007-5198-7668
Peter J P CroucherCardiff Oncology Inc, San Diego, CA.ORCID 0000-0003-1437-0224
Tod SmealCardiff Oncology Inc, San Diego, CA.
Fairooz F KabbinavarCardiff Oncology Inc, San Diego, CA.
Heinz-Josef LenzDivision of Oncology, University of Southern California Norris Comprehensive Cancer Center, Los Angeles, CA.ORCID 0000-0003-2178-9568

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThis phase II study evaluated the efficacy and tolerability of onvansertib, a polo-like kinase 1 (PLK1) inhibitor, in combination with fluorouracil, leucovorin, and irinotecan (FOLFIRI) + bevacizumab for the second-line treatment of PATIENTS AND

methodsThis multicenter, open-label, single-arm study enrolled patients with

resultsAmong the 53 patients treated, the confirmed ORR was 26.4% (95% CI, 15.3 to 40.3). The median DOR was 11.7 months (95% CI, 9.4 to not reached). Grade 3/4 adverse events were reported in 62% of patients. A post hoc analysis revealed that patients with no prior bevacizumab treatment had a significantly higher ORR and longer PFS compared with patients with prior bevacizumab treatment: ORR of 76.9% versus 10.0% (odds ratio of 30.0,

conclusionOnvansertib in combination with FOLFIRI + bevacizumab showed significant activity in the second-line treatment of patients with

Indexed as

Antineoplastic Combined Chemotherapy ProtocolsColorectal NeoplasmsProto-Oncogene Proteins p21(ras)AdultAgedAged, 80 and overBevacizumabCamptothecinFemaleFluorouracilHumansLeucovorinMaleMiddle AgedMutationProgression-Free SurvivalBevacizumabCamptothecinFluorouracilKRAS protein, humanLeucovorinProto-Oncogene Proteins p21(ras)

Identifiers

PMID39475591
PMCPMC11856007

What Socratic holds

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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 Socratic graph.