A Clinical Trial of Entinostat in Combination With Nivolumab for Patients With Previously Treated Unresectable or Metastatic Cholangiocarcinoma and Pancreatic Adenocarcinoma

Phase 2

Completed

• Conditions: Pancreatic Cancer; Unresectable Pancreatic Cancer; Metastatic Cholangiocarcinoma; Metastatic Pancreatic Cancer; Cholangiocarcinoma; Unresectable Cholangiocarcinoma
• Interventions: Drug: Entinostat; Drug: Nivolumab

• Registration Number: NCT03250273
• Lead Sponsor: Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

Brief Summary

The proposed study is an open-label, two-arm study of entinostat plus nivolumab in patients with unresectable or metastatic cholangiocarcinoma (CCA) or pancreatic ductal adenocarcinoma (PDAC).

Detailed Description

Not available

Study Timeline

• Study First Submitted: 2017-07-28
• Study First Submitted QC: 2017-08-14
• Study First Posted: 2017-08-15
• Study Start: 2017-11-06
• Primary Completion: 2020-11-20
• Study Completion: 2020-11-20
• Results First Submitted: 2021-11-17
• Results First Submitted QC: 2021-11-17
• Results First Posted: 2021-12-16
• Status Verified: 2024-01
• Last Update Submitted: 2024-01-04
• Last Update Posted: 2024-01-09

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 44

Inclusion Criteria

1. Age ≥18 years.
2. Have histologically or cytologically proven cholangiocarcinoma or adenocarcinoma of the pancreas that is metastatic or unresectable.
3. Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1
4. Life expectancy of greater than 12 weeks.
5. Patients must have adequate organ and marrow function defined by study-specified laboratory tests.
6. Woman of child bearing potential must have a negative pregnancy test.
7. Must have progressive measurable disease.
8. Must have an accessible non-bone tumor that can be biopsied.
9. Must use acceptable form of birth control while on study.
10. Willing to provide tissue and blood samples.
11. Ability to understand and willingness to sign a written informed consent document.

Exclusion Criteria

1. Chemotherapy, radiotherapy, investigational therapy, or surgery less than 3 weeks prior to trial registration
2. Prior treatment with epigenetic therapy (such as entinostat, panobinostat, vorinostat, romidepsin, 5-azacitidine, or decitabine)
3. Prior treatment with immunotherapy agents (including, anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CTLA4, etc.).
4. Hypersensitivity reaction to any monoclonal antibody.
5. History of any autoimmune disease: inflammatory bowel disease, (including ulcerative colitis and Crohn's Disease), rheumatoid arthritis, systemic progressive sclerosis (scleroderma), systemic lupus erythematosus (SLE) autoimmune vasculitis (e.g., Wegener's Granulomatosis), central nervous system (CNS) or motor neuropathy considered to be of autoimmune origin (e.g., Guillain-Barre Syndrome, Myasthenia Gravis, Multiple Sclerosis). Patients are permitted to enroll if they have vitiligo, type I diabetes mellitus, residual hypothyroidism due to autoimmune condition only requiring hormone replacement, psoriasis not requiring systemic treatment, or conditions not expected to recur in the absence of an external trigger (precipitating event).
6. Have significant and/or malignant pleural effusion
7. Has a pulse oximetry < 92% on room air.
8. Known history or evidence of brain metastases.
9. Conditions, including alcohol or drug dependence, intercurrent illness, or lack of sufficient peripheral venous access, that would affect the patient's ability to comply with study visits and procedures.
10. Are pregnant or breastfeeding.
11. Infection with HIV or hepatitis B or C.
12. Patients on immunosuppressive agents.
13. Requiring concurrent administration of valproic acid.
14. Patients with diverticulitis, intra-abdominal abscess, or GI obstruction
15. Any contraindication to oral agents.
16. Another active malignancy ≤ 3 years prior to registration with the exception of non-melanotic skin cancer or carcinoma-in-situ of any type.
17. Unwilling or unable to follow the study schedule for any reason.
18. Evidence of ascites on imaging.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Arm A - Cholangiocarcinoma	Nivolumab	-
Arm A - Cholangiocarcinoma	Entinostat	-
ARM B - Pancreatic Cancer	Nivolumab	-
ARM B - Pancreatic Cancer	Entinostat	-

Primary Outcome Measures

Name	Time	Method
Objective Response Rate (ORR) Using Response Evaluation Criteria for Solid Tumors (RECIST 1.1)	27 months	Objective Response Rate (ORR) is defined as the number of patients achieving a complete response (CR) or partial response (PR) based on RECIST 1.1 criteria. CR = disappearance of all target lesions, PR is =\>30% decrease in sum of diameters of target lesions. Subjects who discontinue due to clinical progression prior to post-baseline tumor assessments were considered as non-responders.

Secondary Outcome Measures

Name	Time	Method
Number of Patients Experiencing a Grade 3 or Above Treatment-related Adverse Event (AE)	29 months	When calculating the incidence of AEs, each AE (as defined by NCI CTCAE v4.03) will be counted only once for a given subject.
Duration of Response (DOR)	27 months	Duration of response (DOR) will be calculated for subjects who achieve a best overall response of CR or PR. DOR is defined as the number of months from the start date of PR or CR (whichever response is recorded first) and subsequently confirmed to the first date that recurrent or progressive disease or death is documented. Per RECIST 1.1 criteria, CR = disappearance of all target lesions, Partial Response (PR) is =\>30% decrease in sum of diameters of target lesions, Progressive Disease (PD) is \>20% increase in sum of diameters of target lesions.
Overall Survival (OS) at 12 Months	12 months	OS is defined as the proportion of subjects who are alive at 12 months. Estimation based on the Kaplan-Meier curve.
Overall Survival (OS) at 24 Months	24 months	OS is defined as the proportion of subjects who are alive at 24 months. Estimation based on the Kaplan-Meier curve.
Overall Survival (OS) at 36 Months	36 months	OS is defined as the proportion of subjects who are alive at 36 months. Estimation based on the Kaplan-Meier curve.
Overall Survival (OS)	38 months	OS is defined as the duration of time from start of study treatment to time of death (OS will be censored on the date the subject was last known to be alive for subjects without documentation of death at the time of analysis). Estimation based on the Kaplan-Meier curve.
Overall Survival (OS) at 6 Months	6 months	OS is defined as the proportion of subjects who are alive at 6 months. Estimation based on the Kaplan-Meier curve.
Progression Free Survival (PFS) at 6 Months	6 months	PFS is defined as the proportion of patients without disease progression (PD or relapse from CR) or death due to any cause at 6 months. Disease progression will be assessed using RECIST (version 1.1). Per RECIST 1.1 criteria, CR = disappearance of all target lesions, Partial Response (PR) is =\>30% decrease in sum of diameters of target lesions, Progressive Disease (PD) is \>20% increase in sum of diameters of target lesions, Stable Disease (SD) is \<30% decrease or \<20% increase in sum of diameters of target lesions.Estimation based on the Kaplan-Meier curve.
Progression Free Survival (PFS) at 12 Months	12 months	PFS is defined as the proportion of patients without disease progression (PD or relapse from CR) or death due to any cause at 12 months. Disease progression will be assessed using RECIST (version 1.1). Per RECIST 1.1 criteria, CR = disappearance of all target lesions, Partial Response (PR) is =\>30% decrease in sum of diameters of target lesions, Progressive Disease (PD) is \>20% increase in sum of diameters of target lesions, Stable Disease (SD) is \<30% decrease or \<20% increase in sum of diameters of target lesions.Estimation based on the Kaplan-Meier curve.
Progression Free Survival (PFS) at 24 Months	24 months	PFS is defined as the proportion of patients without disease progression (PD or relapse from CR) or death due to any cause at 24 months. Disease progression will be assessed using RECIST (version 1.1). Per RECIST 1.1 criteria, CR = disappearance of all target lesions, Partial Response (PR) is =\>30% decrease in sum of diameters of target lesions, Progressive Disease (PD) is \>20% increase in sum of diameters of target lesions, Stable Disease (SD) is \<30% decrease or \<20% increase in sum of diameters of target lesions.Estimation based on the Kaplan-Meier curve.

Trial Locations

Locations (1)

Sidney Kimmel Comprehensive Cancer Center; 🇺🇸 Baltimore, Maryland, United States