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NCT01999972 · ClinicalTrials.gov registry record · Phase 1

A Phase 1b Study Of Axitinib In Combination With Crizotinib In Patients With Advanced Solid Tumors

A Phase 1 study, sponsored by Pfizer.

Completed
Registry status
Phase 1
Development phase
50
Enrollment target

NCT01999972: Completed Phase 1 study, sponsored by Pfizer.

NCT01999972 is a Phase 1 study that has completed, run by Pfizer. The registered enrollment target is 50 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (17% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01999972, a Phase 1 study, has completed, sponsored by Pfizer.

COMPLETED
Registry status
Phase 1
Development phase
50 participants
Enrollment target

Study Summary

Despite the success of anti-angiogenic therapy in multiple treatment settings, a fraction of patients are refractory to vascular endothelial growth factor (VEGF) inhibitor treatment, while the majority of patients will eventually develop evasive resistance. It is proposed that mesenchymal-epithelial transition factor (c-MET) and its ligand hepatocyte growth factor (HGF or scatter factor) contribute to VEGF inhibitor resistance, such that combining a c-MET inhibitor with a VEGF inhibitor will provide additional clinical activity compared to VEGF inhibitor alone. This hypothesis will be tested using the cMET/ALK inhibitor, crizotinib, in combination with the VEGF inhibitor, axitinib.Since this will be the first study of axitinib given in combination with crizotinib, the study will primarily assess the safety and tolerability of the combination regimen.

Primary Outcome

Toxicity as per National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE), version 4.03. DLT defined as any following events attributable to any (axitinib or crizotinib) or both agents in combination: hematologic (Grade 4 neutropenia, absolute neutrophil count\<1000/mm\^3 with single temperature of \>38.3 degrees celsius or sustained temperature of 38 degrees celsius for \>1 hour; \>=Grade 3 neutropenic infection; \>=Grade 3 thrombocytopenia with bleeding; Grade 4 thro

Interventions

  • DRUG axitinib
  • DRUG crizotinib

Trial Details

FieldValue
Enrollment Target 50 participants
Start Date 2014-02-26
Est. Completion 2019-09-05
Phase Phase 1
Pfizer

1,845 total trials

What the finished NCT01999972 record still lists

NCT01999972 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 50 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (17% lower).

The record links to 0 conditions, and to 2 interventions - of which axitinib is the first listed.

NCT01999972 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01999972 about?

NCT01999972 is a clinical study titled "A Phase 1b Study Of Axitinib In Combination With Crizotinib In Patients With Advanced Solid Tumors". Despite the success of anti-angiogenic therapy in multiple treatment settings, a fraction of patients are refractory to vascular endothelial growth factor (VEGF) inhibitor treatment, while the majority of patients will eventually develop evasive resistance. It is proposed that mesenchymal-epithelial...

What is the current status of trial NCT01999972?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 50 participants. The study started on 2014-02-26. Estimated completion is 2019-09-05.

What interventions are being tested in trial NCT01999972?

The interventions under investigation include: axitinib (DRUG), crizotinib (DRUG).

Who is sponsoring clinical trial NCT01999972?

This trial is sponsored by Pfizer, which has 1,845 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01999972's enrollment target sits among peer trials

50 973rd of 2000 higher than 984 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT01999972, the US trial registry maintained by the National Library of Medicine. NCT01999972 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.