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Safety Study of OXi4503 (a Vascular Disrupting Agent) Given by 3 x Weekly Intravenous Infusions to Patients With Advanced Solid Tumors

This study has been completed.
Cancer Research UK
Information provided by (Responsible Party):
Mateon Therapeutics Identifier:
First received: September 14, 2009
Last updated: October 28, 2011
Last verified: October 2011
The purpose of this study is to establish the Maximum Tolerated Dose (MTD) of OXi4503 given by weekly infusions to patients with advanced solid tumors.

Condition Intervention Phase
Solid Tumors Drug: OXi4503 Phase 1

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase I Trial of OXi4503 (a Vascular Disrupting Agent) Given by 3 Weekly Intravenous Infusions to Patients With Advanced Solid Tumors.

Further study details as provided by Mateon Therapeutics:

Primary Outcome Measures:
  • To establish the Maximum Tolerated Dose (MTD) of OXi4503 given by weekly intravenous infusions. [ Time Frame: 4 weeks ]

Secondary Outcome Measures:
  • To investigate the pharmacokinetic (PK) and pharmacodynamic (PD) behavior of OXi4503. [ Time Frame: 4 weeks ]

Estimated Enrollment: 40
Study Start Date: July 2005
Primary Completion Date: September 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: OXi4503 Drug: OXi4503
OXi4503 will be administered weekly for 3 weeks followed by a week with no treatment. The starting dose will be 0.06 mg/m2 given as an intravenous infusion over 10 minutes.


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

Inclusion Criteria:

  • Histologically proven cancer.
  • Written informed consent.
  • Age >/= 18 years.
  • Life expectancy of at least 12 weeks.
  • World Health Organization (WHO) performance status of 0 or 1.
  • Adequate Hematological and biochemical indices to support investigational therapy.
  • All women of childbearing potential (WOCBP) must have a negative serum pregnancy test.
  • WOCBP and fertile men and their partners must agree to use an effective form of contraception during the study and for 90 days after the last dose of study medication.
  • Measurable and evaluable disease.
  • All toxic manifestations of previous treatment must have resolved.
  • Able to undergo MRI scanning.

Exclusion Criteria:

  • Radiotherapy, endocrine therapy, immunotherapy or chemotherapy during the previous four weeks (six weeks for nitrosureas and Mitomycin-C) prior to treatment.
  • Pregnant and lactating women.
  • Major thoracic and/or abdominal surgery in the preceding four weeks from which the patient has not yet recovered.
  • Patients which have active uncontrolled infections.
  • Patients with any other condition that in the Investigator's opinion would not make the patient a good candidate for the clinical trial.
  • Patients known to be serologically positive for Hepatitis B, Hepatitis C or Human Immunodeficiency Virus (HIV).
  • Previous or ongoing cardiac conditions.
  • Uncontrolled hypertension.
  • Patients taking any drug known to prolong the QTc interval.
  • Patients who have had any ischaemic or vascular damage from previous radiotherapy.
  • Patients taking warfarin or heparin.
  • Patients taking naproxen.
  • Patients taking supplements or multivitamins containing vitamin C.
  • Patients should not be taking any other investigational drug for the duration of the study.
  • Patients with brain metastases or neurological tissue involvement of the spinal column.
  Contacts and Locations
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Please refer to this study by its identifier: NCT00977210

United Kingdom
CRUK Investigational Site
Manchester, United Kingdom
CRUK Investigational Site
Middlesex, United Kingdom
Sponsors and Collaborators
Mateon Therapeutics
Cancer Research UK
  More Information

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Mateon Therapeutics Identifier: NCT00977210     History of Changes
Other Study ID Numbers: PH1/098
Study First Received: September 14, 2009
Last Updated: October 28, 2011

Keywords provided by Mateon Therapeutics:
Phase 1
solid tumors
vascular disrupting agent processed this record on August 22, 2017