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Clinical trialNCT00304590TerminatedPhase 2Interventional

Study of XL999 in Patients With Multiple Myeloma

SponsorSymphony Evolution, Inc.Enrollment4Multiple Myeloma
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This clinical study is being conducted at multiple sites to determine the activity, safety, and tolerability of XL999 when given weekly to patients with relapsed or refractory multiple myeloma. XL999 is a small molecule inhibitor of cellular factors including VEGFR, PDGFR, and FGFR that may be involved in multiple myeloma.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

3 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Ucla Oncology-Hematology Associates, Ltd.

    Los Angeles, California, United States

  • University of Chicago

    Chicago, Illinois, United States

  • Joliet Oncology-Hematology Associates, Ltd.

    Joliet, Illinois, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

XL999
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
28 Feb 2006
Primary completion
31 Dec 2006
Completion
31 May 2007
Last update posted
22 Feb 2010
Registered enrollment
4
Registry id
NCT00304590
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.