Use of ABI-007 for the Prevention of Vascular Access Graft Failure in Patients Undergoing Hemodialysis - Full Text View

Purpose

This study is designed to confirm the safety of the proposed dose and schedule of ABI-007 for hemodialysis patients with vascular access device failure, and to obtain preliminary data on the effectiveness of such treatment.

Condition	Intervention	Phase
Hemodialysis Graft Dysfunction	Drug: ABI-007	Phase 2

Study Type:	Interventional
Study Design:	Endpoint Classification: Safety/Efficacy Study Intervention Model: Single Group Assignment Masking: Open Label Primary Purpose: Prevention
Official Title:	A Pilot Phase II Trial Of ABI-007 (A Cremophor El-Free, Protein Stabilized, Nanoparticle Paclitaxel) For The Prevention Of Vascular Access Graft Failure In Patients Undergoing Hemodialysis

Resource links provided by NLM:

MedlinePlus related topics: Dialysis

Drug Information available for: Paclitaxel

U.S. FDA Resources

Further study details as provided by Celgene Corporation:

Primary Outcome Measures:

Percentage of Participants With Discontinued, Delayed or Interrupted Therapy [ Time Frame: up to week 21 ] [ Designated as safety issue: Yes ]
Percentage of participants who had discontinued therapy or had a delayed dose or an interrupted (omitted) dose due to toxicities/adverse events.
Percentage of Participants Without Graft Failure or Need for Intervention [ Time Frame: 24 weeks ] [ Designated as safety issue: No ]
Graft failure is defined as graft thrombosis, loss of vascular access function, or >50% stenosis of the index lesion at the time of a regularly scheduled angiographic assessment.
Stenosis (%) of the Index Lesion at Venous Anastomosis Using Angiography at Week 12 [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]
Indexed lesion must be located in the arm and is a polytetrafluoroethylene (PTFE) thrombosed graft or a patent but dysfunctional PTFE graft with a residual stenosis of less than 30% after the pre-dose angioplasty. The percent of stenosis (narrowing) of the index lesion is measured by angiography.
Stenosis (%) of the Index Lesion at Venous Anastomosis Using Angiography at Week 24 [ Time Frame: 24 weeks ] [ Designated as safety issue: No ]
Indexed lesion must be located in the arm and is a polytetrafluoroethylene (PTFE) thrombosed graft or a patent but dysfunctional PTFE graft with a residual stenosis of less than 30% after the pre-dose angioplasty. The percent of stenosis (narrowing) of the index lesion is measured by angiography.
Stenosis (%) of the Index Lesion at Venous Anastomosis Using Angiography at Month 9 [ Time Frame: 9 months ] [ Designated as safety issue: No ]
Indexed lesion must be located in the arm and is a polytetrafluoroethylene (PTFE) thrombosed graft or a patent but dysfunctional PTFE graft with a residual stenosis of less than 30% after the pre-dose angioplasty. The percent of stenosis (narrowing) of the index lesion is measured by angiography.
Stenosis (%) of the Index Lesion at Venous Anastomosis Using Angiography at Month 12 [ Time Frame: 12 months ] [ Designated as safety issue: No ]
Indexed lesion must be located in the arm and is a polytetrafluoroethylene (PTFE) thrombosed graft or a patent but dysfunctional PTFE graft with a residual stenosis of less than 30% after the pre-dose angioplasty. The percent of stenosis (narrowing) of the index lesion is measured by angiography.
Stenosis (%) of a Non-index Lesion Using Angiography at Week 12 [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]
Non-indexed lesion with a residual stenosis of less than 30% after the pre-dose angioplasty. The percent of stenosis (narrowing) of the non-index lesion is measured by angiography. Three non-index lesions are reported: central vein, intragraft and arterial anastomosis.
Stenosis (%) of a Non-index Lesion Using Angiography at Week 24 [ Time Frame: 24 weeks ] [ Designated as safety issue: No ]
Non-indexed lesion with a residual stenosis of less than 30% after the pre-dose angioplasty. The percent of stenosis (narrowing) of the non-index lesion is measured by angiography. Three non-index lesions are reported: central vein, intragraft and arterial anastomosis.
Stenosis (%) of a Non-index Lesion Using Angiography at Month 9 [ Time Frame: 9 months ] [ Designated as safety issue: No ]
Non-indexed lesion with a residual stenosis of less than 30% after the pre-dose angioplasty. The percent of stenosis (narrowing) of the non-index lesion is measured by angiography. Three non-index lesions are reported: central vein, intragraft and arterial anastomosis.
Stenosis (%) of a Non-index Lesion Using Angiography at Month 12 [ Time Frame: 12 months ] [ Designated as safety issue: No ]
Non-indexed lesion with a residual stenosis of less than 30% after the pre-dose angioplasty. The percent of stenosis (narrowing) of the non-index lesion is measured by angiography. Three non-index lesions are reported: central vein, intragraft and arterial anastomosis.

Secondary Outcome Measures:

Participants With Arthrosclerotic Cardiovascular Complications [ Time Frame: up to week 25 ] [ Designated as safety issue: Yes ]
Counts of participants who had treatment-emergent arthrosclerotic cardiovascular complications, specifically myocardial infarction, arterial thromboses, or cerebrovascular events.
Kaplan Meier Estimates for Time to Graft Failure or Intervention [ Time Frame: up to 12 months ] [ Designated as safety issue: No ]
The time to graft failure or intervention was defined as the time from first dose of study drug to the first time graft failure or intervention. Participants who did not have graft failure or intervention at the end of the study were censored at the last known time that the participant had angiography.
Percentage of Participants With Patency of Index and Non-Index Lesions at 24 Weeks [ Time Frame: 24 weeks ] [ Designated as safety issue: No ]
The patency (unblocking) for index lesions is defined as <50% of stenosis and no PFTE graft thrombosis at 24 weeks. The patency for non-index lesions is defined as <50% of stenosis and no new non-index lesions at 24 weeks.

Enrollment:	9
Study Start Date:	November 2005
Study Completion Date:	November 2007
Primary Completion Date:	November 2007 (Final data collection date for primary outcome measure)

Arms	Assigned Interventions
Experimental: ABI-007 ABI-007 35 mg/m^2 given intravenously (IV) into the arteriovenous (AV) graft within 96 hours after angioplasty, followed by repeat treatment during weeks 5, 13 and 21	Drug: ABI-007 Other Names: Abraxane® paclitaxel

Detailed Description:

This is an open-label, pilot, phase II study to assess the feasibility of administering ABI-007 intravenously [IV] over 3-5 minutes to patients with hemodialysis graft dysfunction (i.e., either a thrombosed polytetrafluoroethylene (PTFE) graft, or a patent but dysfunctional PTFE graft). Patients with graft dysfunction who are successfully treated with angioplasty will start treatment after angioplasty or during their first dialysis through the graft following intervention, and will receive 3 subsequent treatments of ABI-007 at 35 mg/m^2 on weeks 5, 13 and 21.

Eligibility

Ages Eligible for Study:	18 Years and older
Genders Eligible for Study:	Both
Accepts Healthy Volunteers:	No

Criteria

Inclusion Criteria:

Thrombosed graft within the past 7 days or a patent but dysfunctional polytetrafluoroethylene (PTFE) graft (identified by any means) with a stenosis of greater than 50% at the graft-vein anastomosis or within 8 centimeters of the graft-vein anastomosis which will be referred to as the index lesion. Following angioplasty patients must have residual stenosis of less than 20% post angioplasty for the index lesion and for all other stenoses; also index lesion must be located in the arm. PTFE graft requiring angioplasty must be at least 30 days old.
Male or non-pregnant and non-lactating female, and ≥ 18 years of age.
Patient or guardian has provided a signed written informed consent for the administration of ABI-007 (post-angioplasty or at the time of first dialysis through the new graft) using a form that is approved by the local IRB/ethics committee of the investigative site.
Patient or his/her legally authorized representative or guardian has been informed about the nature of the study, and has agreed to participate in the study, and signed the Informed Consent form prior to participation in any study-related activities.

Exclusion Criteria:

Use of a stent at the time of current angioplasty or at any previous time in the index lesion.
No perforation at the time of current angioplasty.
Thrombosed graft for more than 7 days.
Patient has the following blood counts at baseline:
Absolute neutrophil count (ANC) < 2.0*10^9/L;
platelets < 100*10^9/L;
Hemoglobin (Hgb) < 9 g/dL.
Patient has the following blood chemistry levels at baseline:
Aspartate transaminase (AST or SGOT), alanine transaminase (ALT or SGPT) > 2.5x upper limit of normal range (ULN);
total bilirubin ≥ upper limit of normal (ULN);
Unable to give informed consent, or for whom informed consent cannot be obtained from a legal guardian.
Women who are pregnant and women of child bearing potential who do not use adequate contraception.
2 procedures of percutaneous or surgical intervention on the PTFE graft within the previous 90 days.
Previous participation in another study with any investigational drug or device within the past 30 days or current enrollment in any other clinical protocol or investigational trial.
Patient has a life expectancy of less than 6 months.
Intended kidney transplant within 6 months of enrollment in the study
Any significant medical condition which in the investigators opinion may interfere with the patients optimal participation in the study.
Patient is, in the investigator's opinion, unlikely to be able to complete the study through the End of Study (EOS) visit.
Patient has a history of allergy or hypersensitivity to the study drug.
Documented hypercoagulable state requiring anti-coagulation (protein S, protein C, antiphospholipid; anticoagulation on an empiric basis for graft thromboses in not a contradiction).
Patient is human immunodeficiency virus (HIV) positive.
Patient is currently receiving other chemotherapy drug(s).

Contacts and Locations

Please refer to this study by its ClinicalTrials.gov identifier: NCT00249002

Locations

United States, Illinois

Peoria, Illinois, United States
United States, Louisiana

Shreveport, Louisiana, United States
United States, New York

Rochester, New York, United States
United States, Ohio

Cincinnati, Ohio, United States

Sponsors and Collaborators

Celgene Corporation

Investigators

Study Director:

Jose Iglesias, MD

Celgene Corporation

More Information

No publications provided

Responsible Party:	Celgene Corporation
ClinicalTrials.gov Identifier:	NCT00249002 History of Changes
Other Study ID Numbers:	HD001
Study First Received:	November 3, 2005
Results First Received:	February 21, 2012
Last Updated:	August 7, 2012
Health Authority:	United States: Food and Drug Administration

Keywords provided by Celgene Corporation:

Vascular Access Graft Failure
Venous Neointimal Hyperplasia(VNH)
Hemodialysis

Additional relevant MeSH terms:

Paclitaxel
Tubulin Modulators
Antimitotic Agents
Mitosis Modulators
Molecular Mechanisms of Pharmacological Action

Pharmacologic Actions
Antineoplastic Agents, Phytogenic
Antineoplastic Agents
Therapeutic Uses

ClinicalTrials.gov processed this record on June 18, 2013