A Phase 1 Study of OMP-305B83 in Subjects With Solid Tumors

Completed · Phase 1

Conditions studied: Advanced Solid Tumor Malignancies

In brief

This is an open-label Phase 1 dose escalation and expansion study of OMP-305B83 in subjects with previously treated solid tumors. Study includes a dose escalation phase and expansion phase. Subjects will be assessed for safety, immunogenicity, pharmacokinetics, biomarkers, and efficacy.

Key facts

Study ID

NCT02298387

Run by

OncoMed Pharmaceuticals, Inc.

People needed

71

Starts

2014-12-22

Expected to finish

2017-09-08

Last updated by the study team

2020-08-11

Who can join

Age: 21 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• 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 or they must be ineligible to receive such therapy and/or have declined all such therapy. 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.
• FFPE tumor tissue either fresh core needle biopsied or archived (two FFPE cores preferred whenever possible) is required for participation in the study. If fresh tissue is obtained, the core biopsy must be done at least ≥7 days prior to Day 0.
• Subjects must have received their last chemotherapy, non-anti-VEGF biologic, or investigational therapy at least 4 weeks prior to enrollment, 6 weeks if the last regimen included BCNU or mitomycin C, and 8 weeks if the last regimen was an anti-VEGF therapy
• Age >21 years
• ECOG performance status <2
• Life expectancy of more than 3 months
• Subjects must have adequate organ and marrow function as defined below:
• Absolute neutrophil count >1000/mL (without a colony stimulating factor within the last 2 weeks)
• Hemoglobin >10.5 g/dL (without erythropoietin or blood transfusion within the last 2 weeks)
• Platelets >100,000/mL (without platelet transfusion within the last 2 weeks)
• Total bilirubin <1.5 X institutional upper limit of normal (ULN)
• AST (SGOT) and ALT (SGPT) <2 X institutional ULN (for subjects with hepatic metastases <5 X institutional ULN)
• INR and PTT within 1.5 X institutional ULN
• Proteinuria < trace
• Creatinine <1.5 X institutional ULN OR
• Creatinine clearance >60 mL/min/1.73 m2 for subjects with creatinine levels above institutional normal
• 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 (hormonal or 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.
• Ability to understand and the willingness to sign a written informed consent document

You may not qualify if…

• Subjects receiving any other investigational agents
• Subjects who have received an anti-DLL4 antibody, or an anti-DLL4/VEGF bispecific antibody Subjects who have received prior anti-VEGF therapy are eligible, unless they have residual serious adverse events related to their anti-VEGF therapy.
• Subjects with a history of abdominal fistula, gastrointestinal perforation, intra-abdominal abscess; clinical signs or symptoms of GI obstruction and/or requirement for parenteral hydration or nutrition. In addition, subjects with other known clinically significant gastrointestinal disease including, but not limited to, inflammatory bowel disease.
• 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
• History of a significant allergic reaction attributed to humanized or human monoclonal antibody therapy
• 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
• Pregnant women or nursing women
• Subjects with known HIV infection
• Known bleeding disorder or coagulopathy
• 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.
• Subjects with ascites or pleural effusion requiring drainage within the last 28 days.
• Subjects with a blood pressure of >140/90 mmHg.
• Subjects with squamous cell carcinoma of the lung
• Subjects having undergone a major surgery within the last 6 weeks
• New York Heart Association Classification II, III, or IV (see APPENDIX D)

Where it is running

• Oncology Research Associates, PLLC d/b/a Pinnacle Oncology Hematology — Scottsdale, Arizona, United States
• University of Colorado Anschutz Medical Campus — Aurora, Colorado, United States
• University of Michigan Health System — Ann Arbor, Michigan, United States
• University of Oklahoma Stephenson Cancer Center — Oklahoma City, Oklahoma, United States

Full record on ClinicalTrials.gov

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