Student or educator? Sign up with your school email and get 6 months of Pro free.
Cited by 326

The DOI matches its Crossref record; 21 of the 21 references it cites were found in a registry or an index.

Phase 0 Clinical Trial of the Poly (ADP-Ribose) Polymerase Inhibitor ABT-888 in Patients With Advanced Malignancies

Open access
Kummar, Shivaani, Kinders, Robert, Gutierrez, Martin E., Rubinstein, Larry, Parchment, Ralph E., Phillips, Lawrence R., Ji, Jiuping, Monks, Anne, Low, Jennifer A., Chen, Alice, Murgo, Anthony J., Collins, Jerry, Steinberg, Seth M., Eliopoulos, Helen, Giranda, Vincent L., Gordon, Gary, Helman, Lee, Wiltrout, Robert, Tomaszewski, Joseph E., Doroshow, James H.·2009·Journal of Clinical Oncology

Abstract

Purpose: We conducted the first phase 0 clinical trial in oncology of a therapeutic agent under the Exploratory Investigational New Drug Guidance of the US Food and Drug Administration. It was a first-in-human study of the poly (ADP-ribose) polymerase (PARP) inhibitor ABT-888 in patients with advanced malignancies. Patients and Methods: ABT-888 was administered as a single oral dose of 10, 25, or 50 mg to determine the dose range and time course over which ABT-888 inhibits PARP activity in tumor samples and peripheral blood mononuclear cells, and to evaluate ABT-888 pharmacokinetics. Blood samples and tumor biopsies were obtained pre- and postdrug administration for evaluation of PARP activity and pharmacokinetics. A novel statistical approach was developed and utilized to study pharmacodynamic modulation as the primary end point for trials of limited sample size. Results: Thirteen patients with advanced malignancies received the study drug; nine patients underwent paired tumor biopsies. ABT-888 demonstrated good oral bioavailability and was well tolerated. Statistically significant inhibition of poly (ADP-ribose) levels was observed in tumor biopsies and peripheral blood mononuclear cells at the 25-mg and 50-mg dose levels. Conclusion: Within 5 months of study activation, we obtained pivotal biochemical and pharmacokinetic data that have guided the design of subsequent phase I trials of ABT-888 in combination with DNA-damaging agents. In addition to accelerating the development of ABT-888, the rapid conclusion of this trial demonstrates the feasibility of conducting proof-of-principle phase 0 trials as part of an alternative paradigm for early drug development in oncology.

Overview

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1200/jco.2008.19.7681

Cites

21 of 21 references verified0 citation errors · 0 not checkable

Statistics

Verification

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Citations

Cites

Show all 21 references

Cited by

See all 326

Metadata

Authors
Kummar, S., Kinders, R., Gutierrez, M. E., Rubinstein, L., Parchment, R. E., Phillips, L. R., Ji, J., Monks, A., Low, J. A., Chen, A., Murgo, A. J., Collins, J., Steinberg, S. M., Eliopoulos, H., Giranda, V. L., Gordon, G., Helman, L., Wiltrout, R., Tomaszewski, J. E., & Doroshow, J. H.
Venue
Journal of Clinical Oncology
Published
2009-06-01
Volume
27
Issue
16
Pages
2705-2711
ISSN
  • 0732-183X (ISSN-L)
  • 1527-7755
OpenAlex
W2118682535
Cited by
326
References
21
FWCI
15.66
Type
journal article
Language
en
Open access
bronze

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review

How to cite

Cite CoChat for the checks on this page, and the paper for its own findings.

This page
CoChat. (2026). Citation check: Phase 0 Clinical Trial of the Poly (ADP-Ribose) Polymerase Inhibitor ABT-888 in Patients With Advanced Malignancies. https://app.cochat.ai/papers/10.1200/jco.2008.19.7681
The paper
Kummar, S., Kinders, R., Gutierrez, M. E., Rubinstein, L., Parchment, R. E., Phillips, L. R., Ji, J., Monks, A., Low, J. A., Chen, A., Murgo, A. J., Collins, J., Steinberg, S. M., Eliopoulos, H., Giranda, V. L., Gordon, G., Helman, L., Wiltrout, R., Tomaszewski, J. E., & Doroshow, J. H. (2009). Phase 0 Clinical Trial of the Poly (ADP-Ribose) Polymerase Inhibitor ABT-888 in Patients With Advanced Malignancies. Journal of Clinical Oncology. https://doi.org/10.1200/jco.2008.19.7681

Data sources

Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.