- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04381130
A Phase I/IIa Study of EF-009 in Patients With Pancreatic Cancer
A Phase I/IIa Study to Determine the Maximum Tolerated Dose (MTD) and to Evaluate the Safety and Efficacy Profile of EF-009 in Patients With Pancreatic Cancer
Study Overview
Detailed Description
In Phase I, the study will follow a "3+3" design to determine the maximum tolerated dose (MTD) of EF-009 implanted surgically in patients with pancreatic cancer. The MTD is defined as one dose level (cohort) below the dose in which dose limiting toxicities (DLTs) were observed in ≥ 33% of the participants.
Phase IIa is a single arm study with up to 12 subjects in order to test the hypothesis that the MTD of EF-009 will increase the overall survival (OS) and progression free survival (PFS) in patients with borderline resectable and unresectable pancreatic cancer. The number of EF-009 implanted will be based on the MTD dose determined in the Phase I portion of the study.
In both the Phase I and Phase IIa portions of the study, subjects will be evaluated for response every 8 weeks after EF-009 wafer implantation for up to 2 years, by CT, PET/CT or MRI (per treating investigator's discretion) using the same method as at baseline. Tumor measurements will be assessed based on the Response Evaluation Criteria in Solid Tumors guidelines version 1.1 (RECIST v1.1). The total study duration for each subject consists of screening, treatment, and extended follow-up period and survival follow-up period.
Study Type
Enrollment (Estimated)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Contact
- Name: David Liu, PhD
- Phone Number: +88638630108
- Email: coldwee@efbiotech.com
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Female or male, age ≥ 18 years old
- Subject has cytological, histological, or pathological confirmation of pancreatic cancer Note: All histologic subtype(s) of exocrine and endocrine pancreatic cancer are eligible to enroll in the study
Borderline resectable or unresectable pancreatic cancer judged by the PI in consultation with the designated site radiologist and surgeon at the treating institution Borderline resectable tumors are those that have:
- no distant metastases;
- venous involvement of the superior mesenteric vein (SMV)/portal vein (PV) with or without impingement and narrowing of the lumen;
- short segment venous occlusion but with suitable vessel proximal and distal to occlusion, allowing for safe resection and reconstruction;
- gastroduodenal artery (GDA) encasement up to the hepatic artery (HA) with either short segment encasement or direct abutment of HA, without extension to the celiac axis (CA); and
- tumor abutment of the SMA not to exceed 180° of the circumference.
Unresectable tumors are those that have:
Arterial:
Head/uncinate process:
- Solid tumor contact with SMA >180°
- Solid tumor contact with the CA >180°
Body and tail:
- Solid tumor contact of >180° with the SMA or CA
- Solid tumor contact with the CA and aortic involvement
- Venous
Head/uncinate process:
- Unreconstructible SMV/PV due to tumor involvement or occlusion (can be due to tumor or bland thrombus)
- Contact with most proximal draining jejunal branch into SMV
Body and tail:
• Unreconstructible SMV/PV due to tumor involvement or occlusion (can be due to tumor or bland thrombus)
- Subjects have an ECOG performance status ≤ 1
- Subjects who are eligible and able to participate in the study and accept to enter the study by signing written informed consent forms
Patients are recovered from toxicities from prior systemic therapies to CTCAE grade 0 or 1 (alopecia ≤ Grade 2 can enroll) and have adequate hematopoietic, liver and renal function at screening and before using study medication
- Haemoglobin ≥ 8 g/dL
- Absolute neutrophil count (ANC) ≥ 1,500 cells/mm3
- Absolute lymphocyte count ≥ 1000/mm3,
- Platelets ≥ 100,000 /mm3
- Total white blood cell (WBC) ≥ 3,000 cells /mm3
- Coagulation tests (prothrombin time [PT], activated partial thromboplastin time [APTT], International Normalized Ratio [INR]) < 1.5×ULN,
- Total bilirubin ≤ 1.5×ULN,
- Aspartate aminotransferase (AST)/serum glutamic oxaloacetic transaminase(SGOT) or Alanineaminotransferase (ALT)/serum glutamic pyruvic transaminase (SGPT) ≤ 3 x ULN
- Estimated Glomerular Filtration Rate (GFR) ≥ 60 mL/min (MDRD method)
Glomerular Filtration Rate (GFR) is calculated using the MDRD formula:
GFR = 175 x (Standardized SCr)-1.154 x (age)-0.203 x (0.742 if female) x (1.210 if African American)
- The subject agrees not to use food supplementary or dietary that contains Angelica sinensis after Screening Visit to Day 21.
All male subjects and female subjects with child-bearing potential (between puberty and 2 years after menopause) should use appropriate contraception method(s) for at least 4 weeks after EF-009 treatment shown below.
- Total abstinence (when this is in line with the preferred and usual lifestyle of the subject. Periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods) and withdrawal are not acceptable methods of contraception).
- Female sterilization (have had surgical bilateral oophorectomy with or without hysterectomy) or tubal ligation at least six weeks before taking study treatment. In case of oophorectomy alone, only when the reproductive status of the woman has been confirmed by follow up hormone level assessment.
- Male sterilization (at least 6 months prior to screening). For female subjects on the study, the vasectomized male partner should be the sole partner for that subject
Combination of any two of the following (a+b or a+c, or b+c):
- Use of oral, injected or implanted hormonal methods of contraception or other forms of hormonal contraception that have comparable efficacy (failure rate <1%), for example hormone vaginal ring or transdermal hormone contraception.
- Placement of an intrauterine device (IUD) or intrauterine system (IUS).
- Barrier methods of contraception: Condom or occlusive cap (diaphragm or cervical/vault caps) with spermicidal foam/gel/film/cream/vaginal suppository.
Exclusion Criteria:
- Subjects who have participated in other investigational studies within 4 weeks prior to receive EF-009
- Subjects with known or suspected hypersensitivity to EF-009 or the excipient
- Subject not eligible for resection without significantly affecting vital function
- Subjects with distant metastasis or recurrence of pancreatic cancer
- Patient has other severe and/or life-threatening disease(s) with life expectancy less than 12 months
- Subjects who have an immuno-compromised condition, or is with known autoimmune conditions or is human immunodeficiency virus (HIV) seropositive.
- Subjects with medical, social or psychological factors interfering with compliance of the study
- Subjects that have on-going moderate to severe organ impairment, other than the study indication, that may confound the efficacy evaluation, safety evaluation or usage of standard chemotherapy
- Female subjects that are lactating, pregnant, or planned to become pregnant
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 |
---|---|
Experimental: EF-009
In both the Phase I and Phase IIa portions of the study, subjects will be evaluated for response every 8 weeks after EF-009 wafer implantation for up to 2 years, by CT, PET/CT or MRI (per treating investigator's discretion) using the same method as at baseline.
Tumor measurements will be assessed based on the Response Evaluation Criteria in Solid Tumors guidelines version 1.1 (RECIST v1.1).
The total study duration for each subject consists of screening, treatment, and extended follow-up period and survival follow-up period.
|
Subjects who meet the eligibility criteria will have completed following evaluations and assessments before receiving treatment: a) review of medical and medication history; b) physical examination, vital signs and documentation of ECOG; c) ECG; d) routine serum biochemical, hematologic, urine pregnancy (if applicable) and urine laboratory assessments; and e) evaluation of European Organization for Research and Treatment of Cancer (EORTC) QLQ-C30 score. On Day 0, subjects will undergo EF-009 wafer implantation via laparoscopy |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Maximum Tolerated Dose (MTD)
Time Frame: 21 days
|
Phase I
|
21 days
|
Overall survival
Time Frame: 2 years
|
Phase IIa
|
2 years
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Objective response rate
Time Frame: 2 years
|
2 years
|
Progression Free Survival
Time Frame: 2 years
|
2 years
|
Proportion of subjects underwent pancreatic resection surgery after the EF-009 wafer implantation
Time Frame: 2 years
|
2 years
|
Time to pancreatic resection surgery after the EF-009 wafer implantation
Time Frame: 2 years
|
2 years
|
Best response rate
Time Frame: 2 years
|
2 years
|
Time to objective tumor response
Time Frame: 2 years
|
2 years
|
Tumor response duration
Time Frame: 2 years
|
2 years
|
Change in quality of life assessed with European Organization for Research and Treatment of Cancer (EORTC) QLQ-C30 version 3.0
Time Frame: 2 years
|
2 years
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
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
- EFBPOLZ20190701
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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