A Dose Escalation Study of OMP-18R5 in Subjects With Solid Tumors

September 7, 2020 updated by: OncoMed Pharmaceuticals, Inc.

A Phase 1 Dose Escalation Study of OMP-18R5 in Subjects With Solid Tumors

This is an open-label Phase 1 dose escalation study of OMP-18R5 in subjects with a solid tumor for which there is no remaining standard curative therapy and no therapy with a demonstrated survival benefit. Up to 44 subjects will be enrolled at up to 2 centers. Subjects will be assessed for safety, immunogenicity, pharmacokinetics, biomarkers, and efficacy. No formal interim analyses will be performed.

Prior to enrollment, subjects will undergo screening to determine study eligibility. Upon enrollment, subjects will receive intravenous (IV) infusions of OMP-18R5 at a assigned dosing schedule for 56 days. After 56 days, subjects will be assessed for disease status. If there is no evidence of disease progression or if the tumor is smaller, then subjects may continue to receive IV infusions of OMP-18R5 every week until disease progression.

Dose escalation will be conducted to determine the maximum tolerated dose (MTD). No dose escalation or reduction will be allowed within a dose cohort. The first 2 subjects enrolled in a cohort will not be treated on the same day. The dose may be administered at any time during the day. Three subjects will be treated at each dose level if no dose-limiting toxicities (DLTs) are observed. If 1 of 3 subjects experiences a DLT, that dose level will be expanded to 6 subjects. If 2 or more subjects experience a DLT, no further subjects will be dosed at that level and 3 additional subjects will be added to the preceding dose cohort unless 6 subjects have already been treated at that dose level. Subjects will be assessed for DLTs from the time of the first dose through 28 days. Dose escalation for newly enrolled subjects, if appropriate, will occur after all subjects in a cohort have completed their Day 28 DLT assessment. Subjects with stable disease or a response at Day 56 will be allowed to continue to receive weekly doses of OMP-18R5 until disease progression. An additional 14 subjects will be enrolled at the highest dose level that result in < 2 of the 6 subjects experiencing a Grade 3 (not including a Grade 3 infusion reaction that resolves in 24 hours) or 4 adverse event (DLT).

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.

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.
35

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 1

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
      • Santa Monica, California, United States, 90404
        • UCLA Santa Monica Hematology-Oncology
    • Michigan
      • Ann Arbor, Michigan, United States, 48109
        • University of Michigan Health System
    • Texas
      • San Antonio, Texas, United States, 78229
        • South Texas Accelerated Research Therapeutics

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 to 90 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  1. Subjects must have a histologically confirmed malignancy that is metastatic or unresectable for which there is no remaining standard curative therapy and no therapy with a demonstrated survival benefit. In addition, subjects must have a tumor that is at least 1 cm in a single dimension and is radiographically apparent on CT or MRI.
  2. Subjects must have received their last chemotherapy, biologic, or investigational therapy at least 4 weeks prior to enrollment, 6 weeks if the last regimen included BCNU or mitomycin C.
  3. Age >18 years
  4. ECOG performance status <2 (see Appendix B)
  5. Life expectancy of more than 3 months

  6. Subjects must have adequate organ and marrow function as defined below:

    Absolute neutrophil count >1000/µL Hemoglobin >9.0 g/dL Platelets >100,000/µL Total bilirubin <1.5 X institutional upper limit of normal (ULN) AST (SGOT) and ALT (SGPT) < 3 X institutional ULN (for subjects with hepatic metastases < 5 X institutional ULN) PT and PTT within 1.5 X institutional ULN Creatinine <1.5 X institutional ULN OR Creatinine clearance >60 mL/min/1.73 m2 for subjects with creatinine levels above institutional normal

  7. Women of childbearing potential must have had a prior hysterectomy or have a negative serum pregnancy test and be using adequate contraception prior to study entry and must agree to use adequate contraception from study entry through at least 6 months after discontinuation of study drug. Men must also agree to use adequate contraception (barrier method of birth control, abstinence) prior to study entry and from study entry through at least 6 months after discontinuation of study drug. Should a woman enrolled in the study or a female partner of a man enrolled in the study become pregnant or suspect she is pregnant while participating in this study or within 6 months after discontinuation of study, she should inform the Investigator immediately.
  8. Ability to understand and the willingness to sign a written informed consent document

Exclusion Criteria:

  1. Subjects receiving any other investigational agents
  2. Subjects with brain metastases (subjects must have a CT scan or MRI of the head within 28 days prior to enrollment to rule out brain metastases), uncontrolled seizure disorder, or active neurologic disease
  3. History of a significant allergic reaction attributed to humanized or human monoclonal antibody therapy
  4. Significant intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
  5. Pregnant women or nursing women
  6. Subjects with known HIV infection
  7. Known bleeding disorder or coagulopathy
  8. Subjects receiving heparin, warfarin, or other similar anticoagulants, except for subjects on low molecular weight heparin for DVT/PE prophylaxis. Note: Subjects may be receiving low-dose aspirin and/or non-steroidal anti-inflammatory agents.
  9. New York Heart Association Classification III, or IV (see Appendix D)
  10. Subjects with known clinically significant gastrointestinal disease including, but not limited to, inflammatory bowel disease.
  11. Subjects with known osteopenia or osteoporosis.

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: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

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
To determine the safety of OMP-18R5 in subjects with previously treated solid tumors
Time Frame: Subjects will be assessed for dose limiting toxicity from Days 0-28. Adverse events will be reported through 30 days after the last dose.
Subjects will be assessed for dose limiting toxicity from Days 0-28. Adverse events will be reported through 30 days after the last dose.

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
Measure Description
Time Frame
To determine the pharmacokinetics of OMP-18R5 in subjects with previously treated solid tumors
Time Frame: The first 8 weekly doses and following treatment termination
The half-life, volume of distribution, and clearance will be determined.
The first 8 weekly doses and following treatment termination
To determine the immunogenicity of OMP-18R5 in subjects with previously treated solid tumors
Time Frame: Subjects will be assessed during screening, every 4 weeks, treatment termination, weekly for the first 4 weeks following d/c of study drug, Weeks 8 and 12 following d/c of drug.
Subjects will be assessed during screening, every 4 weeks, treatment termination, weekly for the first 4 weeks following d/c of study drug, Weeks 8 and 12 following d/c of drug.
To assess the preliminary efficacy of OMP-18R5 in subjects with previously treated solid tumors
Time Frame: Every 56 days until disease progression
The response outcome in patients will be determined.
Every 56 days until disease progression

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.
OncoMed Pharmaceuticals, Inc.

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.
May 1, 2011

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.
May 1, 2014

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.
May 1, 2014

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 27, 2011

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 28, 2011

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 29, 2011

Study Record Updates

Last Update Posted (Actual)

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.
September 9, 2020

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.
September 7, 2020

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.
September 1, 2020

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.
  • 18R5-001

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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