Dose-Escalation Study Of SB-485232 Administered As Daily Subcutaneous Injections In Adults With Solid Tumors

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00085878
Recruitment Status : Completed
First Posted : June 18, 2004
Last Update Posted : October 16, 2008
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Brief Summary:
This is a phase I, open-label, dose-escalation study of SB-485232. Subjects will receive SB-485232 administered as subcutaneous injections daily for 14 days. Dose escalation (enrollment into the next cohort) cannot occur until all three subjects have completed the previous cohort; 5 doses will be tested. An additional dosing regimen has been added to evaluate higher doses given twice weekly for 7 weeks. Therefore, the full evaluation period for each patient will extend out to approximately eleven weeks after the first day of SB-485232 dosing.

Condition or disease Intervention/treatment Phase
Solid Tumor Cancer Drug: SB-485232 Phase 1

Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 25 participants
Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase I, Dose Escalation Study to Assess the Safety and Pharmacokinetics of SB- 485232 Administered as Daily Subcutaneous Injections in Adult Patients With Solid Tumors
Study Start Date : January 2003

Primary Outcome Measures :
  1. - Safety and tolerability endpoints will include evaluation of adverse events and changes in laboratory values and clinical variables from pre-dose values. [ Time Frame: 11 Weeks ]

Secondary Outcome Measures :
  1. - Biologically effective dose based. - Pharmacokinetic endpoints: AUC, Adverse Events, cmax, tmax, and t1/2. - Presence or absence of anti-SB-485232 antibodies. - Pharmacodynamic endpoints. - Radiographic tumor assessments. [ Time Frame: 11 Weeks ]

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Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Histologically or cytologically confirmed diagnosis of malignancy.
  • Subjects with solid tumors must have locally advanced or metastatic disease at the time of enrollment.
  • Measurable or evaluable disease that is refractory or resistant to standard therapy or for which there is no effective standard therapy.
  • Predicted life expectancy of at least 12 weeks.
  • Kinesin spindle protein (KPS) of greater than 70%.
  • No chemotherapy, immunotherapy, hormonal therapy, or biological therapy for cancer, radiotherapy, or surgical procedures (except for minor surgical procedures) within 4 weeks before beginning treatment with SB-485232 (6 weeks for nitrosoureas and mitomycin C).
  • Subjects must have recovered from toxicities (incurred as a result of previous therapy) sufficiently to be entered into a Phase I study.
  • Provide written informed consent.
  • Absence of anti-SB-485232 antibodies.
  • Hemoglobin greater than or equal to 9 g/dL.
  • Absolute neutrophil count greater than or equal to 1.5 X 109 /L.
  • Platelet count greater than or equal to 100 X 109 /L.
  • Partial thromboplastin time (PTT) and prothrombin time/international normalized ratio (PT/INR) within normal limits.
  • Serum creatinine less than or equal to 1.5 mg/dL (135 µmol/L) or estimated creatinine clearance greater than 50 mL/min (calculated by the Cockcroft-Gault Formula).
  • Total serum bilirubin less than or equal to 1.5 mg/dL.
  • Aspartate transaminase (AST) and alanine transaminase (ALT) less than or equal to 3 X ULN.
  • Sexually active males or females of reproductive capacity must use adequate contraception.
  • For subjects with a history of coronary artery disease, stress test must be within normal limits.
  • Subjects with a history of congestive heart failure, myocardial infarction or prior anthracycline chemotherapy must have a Multiple Gated Acquisition (MUGA) scan with a left ventricular ejection fraction of greater than 40%.

Exclusion Criteria:

  • Women who are pregnant or are breast-feeding.
  • Severe or uncontrolled infections requiring systemic antibiotic therapy.
  • Any serious medical or psychiatric disorder that would interfere with subject safety or informed consent.
  • Known leptomeningeal disease or evidence of prior or current metastatic brain disease.
  • Receiving concurrent chemotherapy, immunotherapy, radiotherapy, or investigational therapy.
  • Receiving concurrent systemic steroids.
  • History of ventricular arrhythmias requiring drug or device therapy.
  • Any severe concurrent disease or condition, including significant autoimmune diseases, which in the judgment of the principal investigator, would make the subject inappropriate for study participation.
  • Any unresolved or unstable serious toxicity from prior administration of another investigational drug.
  • Any investigational drug within 30 days or 5 half-lives (whichever is longer) preceding the first dose of SB-485232.
  • Psychological, familial, sociological, or geographical conditions that do not permit compliance with the study.
  • Received prior treatment with SB-485232.
  • Poor venous access.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00085878

United States, California
GSK Investigational Site
Santa Monica, California, United States, 90404-2104
United States, Indiana
GSK Investigational Site
Indianapolis, Indiana, United States, 46202
United States, North Carolina
GSK Investigational Site
Durham, North Carolina, United States, 27705
United States, Pennsylvania
GSK Investigational Site
Philadelphia, Pennsylvania, United States, 19111
Sponsors and Collaborators
Study Director: GSK Clinical Trials, MD GlaxoSmithKline

Responsible Party: Study Director, GSK Identifier: NCT00085878     History of Changes
Other Study ID Numbers: 485232/002
First Posted: June 18, 2004    Key Record Dates
Last Update Posted: October 16, 2008
Last Verified: October 2008

Keywords provided by GlaxoSmithKline:
Phase 1