Evidence map›Paper›PMID 21805353›Full record

ArticleCancer chemotherapy and pharmacology2012

Phase I study of the synthetic triterpenoid, 2-cyano-3, 12-dioxoolean-1, 9-dien-28-oic acid (CDDO), in advanced solid tumors.

Giovanna Speranza, Martin E Gutierrez, Shivaani Kummar, John M Strong, Robert J Parker, Jerry Collins, Yunkai Yu, Liang Cao, Anthony J Murgo, James H Doroshow and 1 more

Abstract readClinical Trial, Phase I
In one paragraph

Article in Cancer chemotherapy and pharmacology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.2field-weighted citation impact, top 22% of its field
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

15 citing papers in PubMed, 30 citations in OpenAlex.

  1. Molecular mechanisms of mitochondrial AAA+ proteases.The Journal of biological chemistry · 2026
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  12. Oleanane triterpenoids in the prevention and therapy of breast cancer: current evidence and future perspectives.Phytochemistry reviews : proceedings of the Phytochemical Society of Europe · 2014
    Article
  13. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 2 institutions in 1 country.

Giovanna SperanzaDivision of Cancer Treatment and Diagnosis, National Cancer Institute, Bethesda, MD, USA.
Martin E Gutierrez
Shivaani Kummar
John M Strong
Robert J Parker
Jerry Collins
Yunkai Yu
Liang Cao
Anthony J Murgo
James H Doroshow
Alice Chen
National Cancer Institute · USCenter for Drug Evaluation and Research · US

Funding

Phase 01 Clinical TrialsZIABC011078 · NCI · DIVISION OF BASIC SCIENCES - NCI · PI DOROSHOW, JAMES · 2009 to 2025
$9.0M
NCI NIH HHS HHSN261200800001E
6 · The paper itself

Abstract

backgroundThe triterpenoid 2-cyano-3,12-dioxoolean-1,9-dien-28-oic Acid (CDDO, previously RTA 401) is a multifunctional molecule that controls cellular growth and differentiation. While CDDO is capable of activating the transcription factor peroxisome proliferator activator receptor-γ (PPARγ), its apoptotic effects in malignant cells have been shown to occur independently of PPARγ. A phase I dose-escalation study was conducted to determine the toxicity, the maximum tolerated dose, and the pharmacokinetics and pharmacodynamics of CDDO, administered as a 5-day continuous infusion every 28 days in patients with advanced cancers.

methodsAn accelerated titration design was followed, with one patient per cohort entered, and doses ranging from 0.6 to 38.4 mg/m(2)/h. Pharmacokinetics of CDDO was assessed and cleaved poly (ADP-ribose) polymerase (c-PARP), as a marker of apoptosis, was measured in peripheral blood mononuclear cells to assess drug effect.

resultsSeven patients, one patient per dose level up to dose level 7 (38.4 mg/m(2)/h), were enrolled and received a total of 11 courses of treatment. Cmax increased proportionally with dose. Preclinically determined efficacious blood level (1 μM) of drug was attained at the highest dose level. One patient, at dose level 6, experienced grade 2 mucositis, nausea, vomiting, and anorexia. Four patients developed thromboembolic events subsequently considered as dose-limiting toxicity. No antitumor activity was noted.

conclusionA causal relationship of observed thromboembolic events to CDDO was considered possible but could not be established.

Indexed as

AnorexiaApoptosisCell SurvivalDose-Response Relationship, DrugDrug Administration ScheduleFemaleHalf-LifeHumansImmunoblottingInfusions, IntravenousJurkat CellsMaleMetabolic Clearance RateMiddle AgedMucositisNausea2-cyano-3,12-dioxoolean-1,9-dien-28-oic acidOleanolic AcidPoly(ADP-ribose) Polymerases

Identifiers

PMID21805353
PMCPMC4490274
OpenAlexW2078495613

What OpenQuestion holds

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Registered trials

None linked

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.