Anti-TF Antibody (ALT-836) to Treat Septic Patients With Acute Lung Injury or Acute Respiratory Distress Syndrome

March 20, 2015 updated by: Altor BioScience

Efficacy and Safety Evaluation of ALT-836 in Patients With Sepsis and Acute Lung Injury/Acute Respiratory Distress Syndrome

This is a prospective, randomized (1:1), double-blind, multi-center, Phase II clinical study to test the safety and efficacy of a recombinant chimeric anti-tissue factor antibody (ALT-836) versus placebo in patients with sepsis and acute lung injury/acute respiratory distress syndrome (ALI/ARDS). This study was divided into two parts and the first part of the study has been completed. In the first part of the study, sixty patients were randomized at a 1:1 ratio to receive one dose of the study drug or placebo. In the second part of the study, ninety patients will be randomized at a 1:1 ratio to receive a multi-dose treatment regimen of single doses every 72 hours up to a maximum of 4 doses of the study drug or placebo, provided there are no safety concerns.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Tissue factor (TF)-dependent procoagulant activity and associated inflammatory processes may play a role in the severity and progression of ALI/ARDS. Recent studies demonstrated that TF levels were elevated in plasma and pulmonary edema fluid of ARDS/ALI patients compared to control patients with hydrostatic pulmonary edema. These higher plasma TF levels were correlated with increased mortality, fewer ventilation-free days, the presence of disseminated intravascular coagulation and the presence of sepsis in patients with ALI/ARDS, suggesting that systemic activation of coagulation may be clinically important in ALI/ARDS. Moreover, the pulmonary TF levels in patients with ALI/ARDS were found to range between 0.5 and 2 nM, approximately 100-fold higher than simultaneous plasma levels, suggesting an intra-alveolar source of TF. Thus, anti-TF antibody blockage of TF activity may therefore provide an effective therapeutic mechanism for the treatment of inflammatory disorders such as ALI and ARDS. This study will test the hypothesis that administration of anti-TF antibody (ALT-836) to septic patients with ALI/ARDS will improve the clinical outcome by shortening the duration of mechanical ventilation for these patients.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
150

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • California
      • Los Angeles, California, United States, 90033
        • Los Angeles County and USC Medical Center
      • Sacramento, California, United States, 95817
        • UC Davis Medical Center
      • Stanford, California, United States, 94305
        • Stanford University
    • Connecticut
      • New Haven, Connecticut, United States, 06520
        • Yale University
    • Illinois
      • Chicago, Illinois, United States, 60611
        • Northwestern University
      • Oak Park, Illinois, United States, 60302
        • West Suburban Hospital Medical Center
      • Peoria, Illinois, United States, 61606
        • Illinois Lung and Critical Care Institute
    • Iowa
      • Iowa City, Iowa, United States, 52246
        • University of Iowa
    • Kentucky
      • Hazard, Kentucky, United States, 41701
        • Kentucky Lung Clinic
      • Louisville, Kentucky, United States, 40202
        • University of Louisville-Division of Pulmonary and Critical Care
    • Massachusetts
      • Springfield, Massachusetts, United States, 01199
        • Baystate Medical Center
    • Missouri
      • Kansas City, Missouri, United States, 64111
        • Saint Luke's Hospital
      • St. Louis, Missouri, United States, 63110
        • Saint Louis University
      • St. Louis, Missouri, United States, 63141
        • Mercy Hospital St. Louis
    • New York
      • New York, New York, United States, 10065
        • Memorial Sloan-Kettering Cancer Center
      • New York City, New York, United States, 10029
        • Mount Sinai Medical Center
    • North Carolina
      • Charlotte, North Carolina, United States, 28203
        • Carolinas Medical Center
      • Greensboro, North Carolina, United States, 27310
        • Piedmont Respiratory Research Foundation
      • Winston-Salem, North Carolina, United States, 27157
        • Wake Forest University
    • Oklahoma
      • Oklahoma City, Oklahoma, United States, 73104
        • University of Oklahoma

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

INCLUSION CRITERIA:

  1. Suspected or proven infection
  2. Hypoxemia: PaO2/FiO2is ≤300 mm Hg
  3. Bilateral infiltrates consistent with pulmonary edema
  4. Positive-pressure mechanical ventilation through an endotracheal tube
  5. No clinical evidence of left atrial hypertension to explain bilateral infiltrates
  6. Presence of at least three of the four SIRS criteria. If only two criteria are evidenced, one must be temperature or WBC

Criteria 2 and 3 must occur within a 24-hour interval. The 48-hour enrollment time window begins when criteria 2, 3, and 4 are met.

EXCLUSION CRITERIA:

  1. <18 years
  2. Inability to obtain consent
  3. Patient, surrogate, or physician not committed to full support
  4. Moribund state in which death was perceived to be imminent
  5. Morbid obesity
  6. Malignancy or other irreversible disease or condition for which 6-month mortality is estimated to be >50%
  7. Known HIV positive with known end stage processes
  8. Prior cardiac arrest requiring CPR without fully demonstrated neurological recovery; or New York Heart Association Class IV
  9. Pregnant or nursing
  10. ALI/ARDS induced by mechanical or chemical injury directly to the lung (including burns, trauma, and near drowning)
  11. >48 hours since all inclusion criteria are met
  12. Neuromuscular disease that impairs ability to ventilate without assistance
  13. Severe chronic respiratory disease, severe pulmonary hypertension, or ventilator dependency
  14. Chest wall deformity resulting in severe exercise restriction, secondary polycythemia, or respirator dependent
  15. History of organ transplant (including bone marrow)
  16. Severe chronic liver disease, as determined by a Child-Pugh Score >10
  17. Hemoglobin persistently < 7.0 g/dL
  18. Platelet count <50,000/mm3
  19. Prolonged INR >3
  20. Bleeding disorders unless corrective surgery has been performed
  21. Active internal bleeding
  22. Major surgery within 24 hours before study drug infusion, or evidence of active bleeding postoperatively, or plan for any major surgery within 3 days after study drug infusion.
  23. Diffuse alveolar hemorrhage from vasculitis
  24. Known bleeding diathesis
  25. Presence of an epidural catheter or lumbar puncture within 48 hours before study drug infusion or anticipation of receiving an epidural catheter or a lumbar puncture within 48 hours after study drug infusion
  26. Stroke within 3 months of study entry
  27. Trauma with an increased risk of life-threatening bleeding
  28. A history of severe head trauma that required hospitalization, or intracranial surgery within two months of study entry
  29. Any history of intracerebral arteriovenous malformation, cerebral aneurysm, or central nervous system mass lesion
  30. Uses of certain medications or treatment regimens such as chemotherapy, unfractionated heparin, low-molecular-weight heparin, Warfarin, antithrombin III, acetylsalicylic acid, glycoprotein IIb/IIIa antagonists, thrombolytic therapy, and activated Protein C are restricted.
  31. Participation in another experimental medication study within 30 days of study entry.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: 1
Participants will be randomized to receive ALT-836.
Drug: ALT-836
In the first part of this study, recombinant chimeric anti-tissue factor antibody ALT-836 was administered as a single dose (0.06 mg/Kg) via intravenous infusion over 15 minutes. In the second part of this study, up to four doses (0.06 mg/Kg) of ALT-836 will be administered via intravenous infusion over 15 minutes.
Other Names:
  • Formerly TNX-832; Sunol-cH36
Placebo Comparator: 2
Patients will be randomized to receive placebo.
Drug: Placebo
In the first part of this study, a single dose of Placebo was administered via intravenous infusion over 15 minutes. In the second part of this study, up to four doses of Placebo will be administered via intravenous infusion over 15 minutes.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
Safety profile of the study drug
Time Frame: Throughout the 28 days following treatment
Throughout the 28 days following treatment
Number of ventilator-free days at Day 28
Time Frame: Determined at Day 28
Determined at Day 28

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
Mortality at Day 7, 14, 21, 28 and 60
Time Frame: Determined at Day 7, 14, 21, 28 and 60
Determined at Day 7, 14, 21, 28 and 60
Length of hospitalization at Day 28
Time Frame: Determined at Day 28
Determined at Day 28
Length of ICU stay at Day 28
Time Frame: Determined at Day 28
Determined at Day 28
Number of Non-pulmonary organ failure free days at Day 28
Time Frame: Determined at Day 28
Determined at Day 28
Changes in physiological variables of lung injury
Time Frame: Throughout the 28 days following treatment
Throughout the 28 days following treatment
Changes in disease severity and lung injury scores
Time Frame: Throughout the 28 days following treatment
Throughout the 28 days following treatment
Effects of the study drug and the etiology of the disease (i.e. pulmonary or extra-pulmonary origin)
Time Frame: Determined at Day 28
Determined at Day 28
Pharmacokinetics & Pharmacodynamics
Time Frame: Throughout the 28 days following treatment
Throughout the 28 days following treatment
Immunogenicity
Time Frame: Throughout the 28 days following treatment
Throughout the 28 days following treatment

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Altor BioScience

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
National Heart, Lung, and Blood Institute (NHLBI)

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Chair: Hing C Wong, PhD, Altor BioScience

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
April 1, 2009

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
October 1, 2012

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
January 1, 2013

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
April 8, 2009

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 8, 2009

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
April 10, 2009

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
April 10, 2015

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
March 20, 2015

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
March 1, 2015

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • CA-ALT-836-01-08
  • NHLBI/NIH-5R44HL082397-03

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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