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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05482451
Other study ID # CMUH110-REC1-013
Secondary ID
Status Recruiting
Phase Early Phase 1
First received
Last updated
Start date March 1, 2021
Est. completion date February 28, 2025

Study information

Verified date February 2023
Source China Medical University Hospital
Contact Li-Yuan Bai
Phone +886-4-22052121
Email lybai6@gmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study is to examine the anticancer activity of the combination therapy with all-trans retinoic acid and nivolumab in patients with chemotherapy-refractory advanced or metastatic pancreatic adenocarcinoma.


Description:

Pancreatic cancer is an aggressive and lethal disease. Even two combination regimens, FOLFIRINOX and albumin-bound paclitaxel in combination with gemcitabine, are superior to gemcitabine alone as the first-line treatments, the prognosis of patients with locally advanced or metastatic pancreatic cancer remains poor, with a median overall survival of 8 to 11 months and an estimated 2-year survival of only 2%. Even more, there is currently no available treatment proven beneficial for patients who fail the second-line therapy with liposomal irinotecan in combination with 5-FU. Immune checkpoint inhibitors targeting PD-1 or PD-L1 represent a popular treatment option for patients with some kinds of cancers, but previous studies in pancreatic cancer have failed. One critical challenge for immunotherapy in pancreatic cancer is to find efficient therapeutic approaches to reverse this "cold" tumor into a "hot" tumor. Our previous basic studies revealed that all-trans retinoic acid repressed pancreatic adenocarcinoma cell growth and colony formation. Set-to-set genetic analysis revealed that genes regulated by all-trans retinoic acid were predominantly involved in immune response including interleukin-6, tumor necrotic factor-α, IFNs signaling, and PD-L1. Furthermore, mice bearing pancreatic cancer treated with combination of anti-PD-1 and all-trans retinoic acid had a significantly longer survival compared to mice treated with anti-PD-1 or all-trans retinoic acid alone. Based on the previous findings, we propose this pilot, compassionate use of combination therapy with all-trans retinoic acid and nivolumab for patients with locally advanced or metastatic pancreatic adenocarcinoma who are refractory to current available treatment. This study will also examine ADAR1 as a novel prognostic and predictive biomarker for pancreatic adenocarcinoma patients. This study will help to delineate the role of ADAR1 as a predictive biomarker for immunotherapy, all-trans retinoic acid as a suppressor of ADAR1, and most importantly, the combination of all-trans retinoic acid and nivolumab as an effective anticancer therapy for patients with pancreatic adenocarcinoma.


Recruitment information / eligibility

Status Recruiting
Enrollment 20
Est. completion date February 28, 2025
Est. primary completion date February 28, 2025
Accepts healthy volunteers No
Gender All
Age group 20 Years to 100 Years
Eligibility Inclusion Criteria: Patients will be included in the study if they meet all of the following criteria: 1. Patients with age = 20 years old 2. Histologically confirmed pancreatic adenocarcinoma 3. Unresectable locally advanced, recurrent or metastatic diseases ineligible or unsuitable for further surgical or radiation interventions 4. Documented disease progression within 6 months after standard chemotherapies or no available standard chemotherapy. The standard chemotherapies include gemcitabine, nab-paclitaxel, S-1, and FOLFIRINOX. Patient who has prior anti-PD1/anti-PD-L1 treatment will not be eligible. 5. ECOG Performance Status 0-2 6. Documented measurable disease as defined by RECIST v1.1 7. Adequate hematologic parameters, and hepatic and renal functions defined as 1. absolute neutrophil count = 1,000/µL 2. platelets = 75,000/µL 3. total bilirubin = 2.5X ULN (= 5X ULN if attributable to liver metastases) 4. AST/ALT = 2.5X ULN (= 5X ULN if attributable to liver metastases) 5. serum creatinine = 2 mg/dL or creatinine clearance = 30 mL/min (by calculated or 24-hour urine collection) 8. Normal ECG or ECG without any clinical significant findings 9. Able to understand and sign an informed consent (or have a legal representative who is able to do so) Exclusion Criteria: Patients will be excluded from the study if they meet any of the following criteria: 1. History of allergic reaction to all-trans retinoic acid or nivolumab 2. Patient with liver cirrhosis with Child-Pugh score = 8 (Late Child-Pugh B and Child-Pugh C) 3. Active CNS metastasis defined by clinical symptoms, cerebral edema, steroid or anti-convulsant requirement, or progressive growth. Patients with a history of CNS metastasis or cord compression are allowed in the study if they have been treated and are clinically stable 4. With clinically significant gastrointestinal disorder including bleeding, inflammation, occlusion or diarrhea > grade 1 5. With uncontrolled intercurrent illness that could limit study compliance or judged to be ineligible for the study by the investigators including, but not limited to, any of the following: 1. ongoing or active infection requiring antibiotic treatment 2. symptomatic congestive heart failure, unstable angina pectoris, or cardiac arrhythmia 3. psychiatric illness or social situation that would preclude study compliance 6. Pregnant or breast feeding women (a urine pregnancy test must be performed on all patients who are of childbearing potential before entering the study, and the result must be negative) 7. Patients taking the following medications: immunosuppressants, corticosteroids with the exception of administration topically (e.g., external, intra-articular, intranasal, ophthalmic, or inhalational use) or temporarily (e.g., for treatment or prophylaxis of contrast medium allergy or adverse events), antitumor therapies (e.g., chemotherapies, molecular-targeted therapies, immunotherapies), radiopharmaceuticals with the exception of diagnostic purposes, transplant therapies, vitamin A, antifibrinolytic agents (tranexamic acid, aminocaproic acid, aprotinin), inducers (rifampicin, glucocorticoids, phenobarbital and pentobarbital) or inhibitors (ketoconazole, cimetidine, erythromycin, verapamil, diltiazem and cyclosporine) of the hepatic P450 system, and other unapproved drugs (e.g., investigational use of drugs, unapproved combined formulations, unapproved dosage forms).

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Nivolumab
Nivolumab, an immune checkpoint inhibitors targeting PD-1, represents a popular treatment option for patients with cancers via immunological mechanism. However, previous studies using nivolumab alone in pancreatic cancer have failed.
all trans retinoic acid
Our previous basic studies revealed that all-trans retinoic acid repressed pancreatic adenocarcinoma cell growth and colony formation. All-trans retinoic acid represses ADAR1, a member of interferon-stimulated genes and a negative regulator of IFNs signaling. On the other hand, all-trans retinoic acid simultaneously increases PD-L1 expression for cancer cells to evade immune surveillance. Since combination of anti-PD1 antibody and all-trans retinoic acid may block self-regulating negative feedback loops of IFNs response, this therapeutic strategy may improve outcomes of pancreatic adenocarcinoma patients.

Locations

Country Name City State
Taiwan China Medical University Hospital Taichung Please Select

Sponsors (1)

Lead Sponsor Collaborator
China Medical University Hospital

Country where clinical trial is conducted

Taiwan, 

Outcome

Type Measure Description Time frame Safety issue
Other Overall survival The median duration of time from the time of registration until death From the date of registration to the date of patients death, up to 3 years.
Primary Overall response Overall response is evaluated using Response Evaluation Criteria in Solid Tumors criteria (RECIST 1.1). A participant is considered to have responded if either of the following outcomes is achieved:
Complete Response: Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm
Partial Response: At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.
From the date of registration until the end of treatment, up to 2 years.
Secondary Progression-free survival The median duration of time from the time of registration until disease progression or death. Disease progression is assessed using RECIST 1.1 criteria. From the date of registration until disease progression or death, up to 3 years.
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