- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03514121
FPA150 in Patients With Advanced Solid Tumors (FPA150-001)
A Phase 1a/1b Study of FPA150, an Anti-B7-H4 Antibody, in Patients With Advanced Solid Tumors
Study Overview
Status
Intervention / Treatment
Detailed Description
This is a Phase 1a/1b open-label, multicenter study to evaluate the dosing, safety, tolerability, PK, pharmacodynamics, and preliminary efficacy of FPA150 as monotherapy and in combination with pembrolizumab, an anti-PD1 antibody, in patients with advanced solid tumors.
This study includes a Phase 1a FPA150 Monotherapy Dose Escalation, Phase 1a Monotherapy Dose Exploration, Phase 1a combination Safety Lead-in (FPA150 + pembrolizumab), a Phase 1b FPA150 Monotherapy Dose Expansion, and a Phase 1b combination Dose Expansion (FPA150 + pembrolizumab).
The Phase 1a Monotherapy Dose Escalation will include an initial accelerated titration design followed by a standard 3+3 dose escalation design until the MTD and/or RD for Phase 1b is determined. The Phase 1a combination Safety Lead-In will start enrolling once the FPA150 monotherapy RD is identified in Phase 1a monotherapy dose escalation and will continue until the FPA150 MTD/RD in combination is identified. Phase 1a FPA150 monotherapy Dose Exploration may include cohorts that may enroll beyond 3 patients whose tumors express high levels of B7-H4 protein and/or have varying levels of B7H4 expression including low (<10% IHC 2+ or 3+ scores) or no expression on their tumor cells (up to 20 additional patients across all dose levels) to further evaluate safety, PK, pharmacodynamics, and clinical activity at that dose (to be conditional upon the dose level clearing DLT criteria).
Phase 1b will be the Dose Expansion (monotherapy and combination) portion of the study.
Enrollment into Phase 1b Dose Expansion will begin after identification of the MTD and/or RD in Phase 1a (monotherapy and Safety Lead-in). Preliminary efficacy will be evaluated in Phase 1b in planned expansion cohorts that include patients with specific tumor types that are B7-H4+ advanced solid tumors.
Study Type
Enrollment (Actual)
Phase
- Early Phase 1
Contacts and Locations
Study Locations
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Gyeonggi-do, Korea, Republic of, 10408
- National Cancer Center
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Gyeonggi-do, Korea, Republic of, 13620
- Seoul National University Bundang Hospital
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Seoul, Korea, Republic of, 03722
- Severance Hospital
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Seoul, Korea, Republic of, 05505
- Asan Medical Center
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Seoul, Korea, Republic of, 06351
- Samsung Medical Center
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Arizona
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Scottsdale, Arizona, United States, 85258
- Honor Health
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California
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Los Angeles, California, United States, 90048
- Cedars-Sinai Medical Center
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Los Angeles, California, United States, 90095
- UCLA
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Santa Monica, California, United States, 90403
- Sarcoma Oncology Research Center
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Connecticut
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New Haven, Connecticut, United States, 06520
- Yale Cancer Center
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Illinois
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Skokie, Illinois, United States, 60077
- Orchard Healthcare Research Inc.
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Michigan
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Detroit, Michigan, United States, 48201
- Karmanos Cancer Institute
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Oklahoma
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Oklahoma City, Oklahoma, United States, 73104
- Stephenson Cancer Center
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Tennessee
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Nashville, Tennessee, United States, 37203
- Sarah Cannon Research Institute
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Texas
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Houston, Texas, United States, 77030
- The University of Texas Md Anderson Cancer Center
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San Antonio, Texas, United States, 78229
- South Texas Accelerated Research Therapeutics
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Utah
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Salt Lake City, Utah, United States, 84106
- Utah Cancer Specialists
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Washington
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Spokane, Washington, United States, 99208
- Medical Oncology Associates, PS
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria (Phase 1a Monotherapy and Combination Therapy):
- Histologically confirmed solid tumors except primary central nervous system (CNS) tumors.
- Disease that is unresectable, locally advanced, or metastatic.
- Patients must have had progressive disease during or after, or refused, appropriate standard therapy for their tumor type.
- All patients must have at least one measurable lesion at baseline according to RECIST v1.1; tumor sites situated in a previously irradiated area, or in an area subjected to other loco-regional therapy, are not considered measurable unless there has been demonstrated progression in the lesion.
- Adequate washout for prior anti-cancer therapy (ie, ≥ 5 half-lives or 4 weeks since the last dose, whichever is shorter).
- Availability of archival tumor tissue and consent to providing archival tumor for retrospective biomarker analysis, or willingness to undergo a fresh tumor biopsy during screening (a biopsy is required for patients in the Phase 1a Dose Exploration portion).
- Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
- Prior radiotherapy must be completed at least 2 weeks before the first dose of study drug.
- Prior radiopharmaceuticals (eg strontium, samarium) must be completed at least 8 weeks before the first dose of study drug.
- Prior surgery requiring general anesthesia must be completed one week before first study drug administration. Surgery requiring local/epidural must be completed at least 72 hours before first study drug administration.
Screening laboratory values must meet the following criteria:
- Neutrophils ≥ 1200 cells/ µL
- Platelets ≥ 75 × 103/ µL
- Hemoglobin (Hb) ≥ 9.0 g/dL
- Serum creatinine < 1.5× ULN or creatinine clearance (CrCl) of ≥ 40 mL/ minute
- AST and ALT < 3× ULN (<5ULN in patients with liver metastases)
- Bilirubin < 1.5× ULN (except patients with Gilbert's syndrome, who must have total bilirubin < 3 mg/dL)
For Phase 1a Combination Safety Lead-in Patients ONLY:
- B7-H4 positive ovarian cancer
- or cytologically confirmed diagnosis of recurrent epithelial ovarian, primary peritoneal, or fallopian tube carcinoma that is refractory to existing therapy(ies) known to provide clinical benefit
- Progressive disease on or after at least two prior regimens of treatment including at least one platinum-containing regimen, or unable to tolerate additional chemotherapy
- No prior therapy with an anti-PD1 or PD-L1-directed agent
Inclusion Criteria (Phase 1b monotherapy and combination):
- All Inclusion Criteria for Phase 1a (Exception: Phase 1a Inclusion Criterion #1).
- Positive for B7-H4 expression in an archival or fresh tumor sample as evaluated by an accompanying validated central laboratory IHC assay. Archival tissue for patients enrolled in Cohort 1b1 (Breast Cancer) must be within 24 months prior to pre-screening.
- History of other malignancy is permitted provided it has been definitively treated with no evidence of recurrence within the past 2 years (Exception: Definitively treated non-melanoma skin cancer, lobular cancer in situ, and cervical cancer in situ within 2 years are permitted). Cohort Specific Phase 1b Criteria (monotherapy and combination therapy)
Breast Cancer Cohorts:
TNBC:
- Histologically or cytologically confirmed metastatic TNBC
- At least two prior lines of systemic chemotherapy with at least one being administered in the metastatic setting
HR+ Breast:
- Histologically or cytologically confirmed metastatic HR+ breast carcinoma
- Patients must have received at least two prior lines of hormonal therapy
- Patients must have received at least one prior line of systemic chemotherapy (in the adjuvant or metastatic setting)
Ovarian Cancer (monotherapy):
- Histologically or cytologically confirmed diagnosis of recurrent epithelial ovarian, primary peritoneal, or fallopian tube carcinoma that is refractory to existing
- Progressive disease on or after at least two prior regimens of treatment including at least one platinum-containing regimen, or unable to tolerate additional chemotherapy
Endometrial Cancer:
- Histologically or cytologically confirmed recurrent or persistent endometrial cancer that is refractory to curative or established treatments
- Progressive disease on or after at least one prior regimen of systemic chemotherapy, or unable to tolerate systemic chemotherapy
Ovarian Cancer (combination):
Histologically or cytologically confirmed diagnosis of recurrent epithelial ovarian, primary peritoneal, or fallopian tube carcinoma that is refractory to existing
- Progressive disease on or after at least two prior regimens of treatment including at least one platinum-containing regimen, or unable to tolerate additional chemotherapy
- No prior therapy with an anti-PD1 or PD-L1-directed agent
Exclusion Criteria:
- Immunosuppressive doses of systemic medications, such as steroids or absorbed topical steroids (doses > 10 mg/day prednisone or equivalent daily) must be discontinued at least 2 weeks before the first dose of study drug. Short courses of high dose steroids or continuous low dose (prednisone < 10 mg/day ) are allowed.
- Decreased cardiac function with New York Heart Association (NYHA) > Class 2 at screening.
- Uncontrolled or significant heart disorder such as unstable angina.
- QT interval corrected for heart rate (QTc) per institutional guidelines > 450 msec for males or > 470 msec for females at screening.
- Current unresolved infection or history of chronic, active, clinically significant infection (viral, bacterial, fungal, or other) which, in the opinion of the Investigator, would preclude the patient from exposure to a biologic agent or may pose a risk to patient safety.
- Any uncontrolled medical condition or psychiatric disorder which, in the opinion of the Investigator, would pose a risk to patient safety or interfere with study participation or interpretation of individual patient results.
- Active, known, or suspected autoimmune disease. Patients with Type I diabetes mellitus, hypothyroidism requiring only hormone replacement, skin disorders (such as vitiligo, psoriasis, or alopecia) not requiring systemic treatment, or conditions not expected to recur in the absence of an external trigger, are permitted to enroll.
- Known history of testing positive for human immunodeficiency virus (HIV) 1 or 2 or known acquired immunodeficiency syndrome (AIDS).
- Positive test for hepatitis B virus surface antigen (HBsAg) or detectable hepatitis C virus ribonucleic acid (HCV RNA) indicating acute or chronic infection.
- Ongoing adverse effects from prior treatment > Grade 1 (with the exception of Grade 2 alopecia or peripheral neuropathy) based on National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE).
- Symptomatic interstitial lung disease or inflammatory pneumonitis.
- Untreated or active CNS or leptomeningeal metastases. Patients are eligible if metastases have been treated and patients are neurologically returned to baseline or neurologically stable (except for residual signs or symptoms related to the CNS treatment) for at least 2 weeks before the first dose of study drug.
- Evidence of coagulopathy or bleeding diathesis. Patients receiving stable therapeutic doses of anti-coagulants will be permitted.
- Transfusion of blood or platelets completed within 72 hours before the first dose of study drug.
- Any uncontrolled inflammatory GI disease including Crohn's Disease and ulcerative colitis
- For Cohort 1b1 only: Patients with HER2 positive disease
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Phase 1a dose escalation/1b dose expansion
The study consists of Phase 1a dose escalation, Phase 1a dose exploration, Phase 1a combination safety-lead-in and Phase 1b dose expansion
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A monoclonal antibody against B7-H4
An anti-PD1 antibody
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
For Phase 1a dose escalation, to determine the Maximum Tolerated Dose (MTD) and/or Recommended Dose (RD) of FPA150
Time Frame: Through study completion, an average of 24 weeks
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Tolerability
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Through study completion, an average of 24 weeks
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For Phase 1a dose escalation, dose exploration and combination safety lead-in the number of participants with adverse events as assessed by the latest version of CTCAE
Time Frame: Through study completion, an average of 24 weeks
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Safety
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Through study completion, an average of 24 weeks
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For Phase 1b, number of participants with adverse events as assessed by the latest version of CTCAE at the maximum tolerated dose (MTD) and/or recommended dose (RD) of FPA150
Time Frame: Through study completion, average 24 weeks
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Safety
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Through study completion, average 24 weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Area under serum concentration-time curve of FPA150 in day*µg/mL
Time Frame: Through study completion, an average of 24 weeks
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Pharmacokinetic profile FPA150
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Through study completion, an average of 24 weeks
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Maximum serum concentration of FPA150 in µg/mL
Time Frame: Through study completion, an average of 24 weeks
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Pharmacokinetic Profile FPA150
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Through study completion, an average of 24 weeks
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Trough serum concentration of FPA150 in µg/mL
Time Frame: Through study completion, an average of 24 weeks
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Pharmacokinetic Profile FPA150
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Through study completion, an average of 24 weeks
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Clearance of FPA150 in mL/day/kg
Time Frame: Through study completion, an average of 24 weeks
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Pharmacokinetic Profile FPA150
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Through study completion, an average of 24 weeks
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Terminal Half-Life of FPA150 in day
Time Frame: Through study completion, an average of 24 weeks
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Pharmacokinetic Profile FPA150
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Through study completion, an average of 24 weeks
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Volume of distribution (mL/kg) of FPA150
Time Frame: Through study completion, an average of 24 weeks
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Pharmacokinetic Profile FPA150
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Through study completion, an average of 24 weeks
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Incidence of treatment emergent anti-FPA150 antibody response (levels in serum)
Time Frame: Through study completion, an average of 24 weeks
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Immunogenicity FPA150
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Through study completion, an average of 24 weeks
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
For Phase 1b, to evaluate the overall response rate (ORR) defined as the total number of patients with complete response (CR) or partial response (PR) per RECIST v1.1 divided by the total number of patients who are evaluable for a response
Time Frame: Through study completion, an average of 24 weeks
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Efficacy
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Through study completion, an average of 24 weeks
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- FPA150-001
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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