FL118 For Treating Patients With Advanced Pancreatic Ductal Adenocarcinoma

Study Overview

FL118 for Treating Patients With Advanced Pancreatic Ductal Adenocarcinoma

This phase I trial tests the safety, side effects, and best dose of FL118 in treating patients with pancreatic ductal adenocarcinoma that may have spread from where it first started to nearby tissue, lymph nodes, or distant parts of the body (advanced). FL118 is a small anti-tumor molecule that inhibits the expression of multiple cancer-associated anti-apoptotic proteins. An anti-apoptotic protein is a protein that interferes with or inhibits cell death. In adults, apoptosis is used to rid the body of cells that have been damaged beyond repair. Apoptosis also plays a role in preventing cancer. If apoptosis is for some reason prevented, it can lead to uncontrolled cell production that can subsequently develop into a tumor. FL118 has been shown to inhibit or block the proteins that prevent damaged/mutated (genetically changed) cells from dying, and, by doing so, prevent the growth of cancerous cells and tumor development.

PRIMARY OBJECTIVES: I. To establish the safety, schedule, and dosing of DDX5 degrader FL118 (FL118) in patients with advanced pancreatic ductal adenocarcinoma (PDAC). II. To determine the pharmacokinetics (PK) of FL118 in patients with advanced PDAC. SECONDARY OBJECTIVES: I. To determine the pharmacodynamics (PD) of FL118 in patients with advanced PDAC. II. To determine the preliminary antineoplastic efficacy of FL118 in patients with advanced PDAC. EXPLORATORY OBJECTIVES: I. To evaluate biomarkers predictive of response or resistance. II. Evaluate changes in the tumor microenvironment. III. To determine the significance of somatic and germline DNA damage repair mutations as predictive biomarkers of antineoplastic activity. OUTLINE: This is a dose-escalation study of FL118 followed by a dose-expansion study. Patients receive FL118 orally (PO) on days 1, 8, and 15 of each cycle. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also undergo collection of blood samples and computed tomography (CT) or magnetic resonance imaging (MRI) throughout the trial. Patients may optionally undergo biopsy at screening and on study. After completion of study treatment, patients are followed up at 30 days and then every 3 months for up to 12 months.

Advanced Pancreatic Ductal Adenocarcinoma
Locally Advanced Pancreatic Ductal Adenocarcinoma
Metastatic Pancreatic Ductal Adenocarcinoma
Refractory Pancreatic Ductal Adenocarcinoma
Stage II Pancreatic Cancer AJCC v8
Stage III Pancreatic Cancer AJCC v8
Stage IV Pancreatic Cancer AJCC v8
Unresectable Pancreatic Ductal Adenocarcinoma

PROCEDURE: Biopsy
PROCEDURE: Biospecimen Collection
PROCEDURE: Computed Tomography
DRUG: DDX5 Degrader FL118
PROCEDURE: Magnetic Resonance Imaging

I 3555023
NCI-2023-08681 (REGISTRY Identifier) (REGISTRY: CTRP (Clinical Trial Reporting Program))
I 3555023 (OTHER Identifier) (OTHER: Roswell Park Cancer Institute)

Study Record Dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Registration Dates	Results Reporting Dates	Study Record Updates
First Submitted 2023-12-06	Results First Submitted N/A	Last Update Submitted that met QC Criteria 2025-01-15
First Submitted that Met QC Criteria 2024-01-04	Results First Submitted that Met QC Criteria N/A	Last Update Posted (ACTUAL) 2025-01-17
First Posted (ACTUAL) 2024-01-16	Results First Posted N/A	Last Verified 2025-01

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

Design Details

Primary Purpose:
Treatment

Allocation:
Na

Interventional Model:
Sequential

Masking:
None

Arms and Interventions

Participant Group/Arm	Intervention/Treatment
EXPERIMENTAL: Treatment (FL118) Patients receive FL118 PO on days 1, 8, and 15 of each cycle. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also undergo collection of blood samples and CT or MRI throughout the trial. Patients may op	PROCEDURE: Biopsy Undergo biopsy PROCEDURE: Biospecimen Collection Undergo collection of blood samples PROCEDURE: Computed Tomography Undergo CT DRUG: DDX5 Degrader FL118 Given PO PROCEDURE: Magnetic Resonance Imaging Undergo MRI

Participant Group/Arm

Intervention/Treatment

EXPERIMENTAL: Treatment (FL118)

Patients receive FL118 PO on days 1, 8, and 15 of each cycle. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also undergo collection of blood samples and CT or MRI throughout the trial. Patients may op

PROCEDURE: Biopsy

Undergo biopsy

PROCEDURE: Biospecimen Collection

Undergo collection of blood samples

PROCEDURE: Computed Tomography

Undergo CT

DRUG: DDX5 Degrader FL118

Given PO

PROCEDURE: Magnetic Resonance Imaging

Undergo MRI

Primary Outcome Measures	Measure Description	Time Frame
Incidence of adverse events	Toxicity and adverse events will be assessed using the National Cancer Institute Common Terminology Criteria for Adverse Events version 5.0.	Up to 30 days
Maximum tolerated dose (MTD)	The MTD will be determined from the observed dose limiting toxicities per cohort using an accelerated dose-escalation design.	4 weeks from administation
Recommended phase 2 dose	The recommended phase 2 dose will be determined based on the MTD (or highest dose administered if the MTD is not reached), the pharmacokinetic/pharmacodynamic modeling, and overall clinical safety and efficacy data.	4 weeks from administration
Half life	PK parameters of half-life area	On days 1, 2, 15, and 16 of cycle 1 in dose-escalation phase
Maximum plasma concentration	PK parameters of maximum plasma concentration	On days 1, 2, 15, and 16 of cycle 1 in dose-escalation phase
Area under the curve	PK parameter area under the curve	On days 1, 2, 15, and 16 of cycle 1 in dose-escalation phase
CL/F	apparent clearance of the analyte in the plasma	On days 1, 2, 15, and 16 of cycle 1 in dose-escalation phase

Secondary Outcome Measures	Measure Description	Time Frame
Pharmacodynamics parameters	Will be collected at baseline and day 23	At baseline and cycle 2 day 23
Overall response rate	Will be assessed use a two-stage, single-arm Simon minimax design.	Up to 12 months
Disease control rate	The disease control (complete response + partial response + stable disease) will be summarized using frequencies and relative frequencies. The disease control rate will be estimated with a 95% credible region obtained by Jeffrey's prior method.	Up to 12 months
Progression-free survival	Will be summarized using standard Kaplan-Meier methods, where estimates of median survival will be obtained with 95% confidence intervals.	From treatment until disease progression, death from disease, or last follow up, assessed up to 12 months
Overall survival	Will be summarized using standard Kaplan-Meier methods, where estimates of median survival will be obtained with 95% confidence intervals.	From treatment until death due to any cause or last follow up, assessed up to 12 months

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person’s general health condition or prior treatments.

Ages Eligible for Study:
ALL

Sexes Eligible for Study:
18 Years

Accepts Healthy Volunteers:

Age ≥ 18 years old
Have a histologically or cytologically confirmed advanced PDAC (locally advanced/unresectable or metastatic for part A (dose escalation) and metastatic for part B (dose expansion)
Progression on or intolerance to 1st line therapy for advanced disease. Note that completion of adjuvant or neoadjuvant chemotherapy within 6 months from relapsed disease is considered one line of therapy for locally advanced/unresectable or metastatic disease
Have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
Have a life expectancy of greater than 3 months
Have measurable disease per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 criteria present
Patient willing to undergo tumor biopsy at baseline and on treatment if there is a lesion that can safely be biopsied based on investigator assessment. If this is not feasible, adequate archival tumor tissue must be available
Absolute neutrophil count (ANC): ≥ 1,500/mL
Platelets: ≥ 100,000/mL
Hemoglobin: ≥ 9 g/dL
Creatinine clearance ≥ 60 mL/min (per Cockroft-Gault equation)
Total bilirubin: ≤ 1.5 X upper limit of normal (ULN) or, direct bilirubin ≤ ULN for subjects with total bilirubin levels > 1.5 ULN
Aspartate aminotransferase (AST) (serum glutamic-oxaloacetic transaminase [SGOT]) and alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]): ≤ 2.5 X ULN or, ≤ 5 X ULN for subjects with liver metastases
Albumin: ≥ 3 gm/dL
For females of reproductive potential (those who have not been surgically sterilized or have not been free from menses for > 1 year): use of highly effective contraception for at least 1 month prior to screening and agree to use such a method during study participation and, for an additional 6 months after the end of FL118 oral administration
For males of reproductive potential: use of condoms or other methods to ensure effective contraception with partner during the study participation and for an additional 3 months after the end of FL118 oral administration
Be willing and able to comply with all study procedures and, availability for the duration of the study
Participant must understand the investigational nature of this study and sign an Independent Ethics Committee/Institutional Review Board approved written informed consent form prior to receiving any study related procedure

Has a major surgical procedure within 4 weeks prior to the planned first day of study drug dosing
Received a prior treatment intended for antitumor effect (medication, surgery, radiotherapy, etc.) within 2 weeks prior to the planned first day of study drug dosing (or patient who received mitomycin C or nitrosourea within 6 weeks prior to the planned first day of study drug dosing)
Has an active infection requiring systemic therapy
Has a history of organ transplantation
Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial
Is pregnant or breastfeeding or expecting to conceive or father children within the projected duration of the trial, starting with the screening visit through the trial period after the last dose of trial treatment
Has congestive heart failure (class III or IV New York Heart Association), acute coronary syndrome, acute cerebrovascular episode, acute peripheral vascular disease, or clinically significant cardiac arrhythmia within 6 months prior to the planned first day of study drug dosing
Has clinically significant venous thromboembolic event (VTE), defined as lower extremity deep venous thrombosis or pulmonary embolism, within the past 3 months. Patients who are on a stable anticoagulant dose for VTE prophylaxis or treatment for at least 14 days are allowed to participate
Bowel obstruction or perforation within the past 3 months
Refractory malignant ascites or pleural effusions (requiring weekly para- or thoracentesis or indwelling catheter for palliation). Patients with less frequent/as needed para- or thoracentesis are allowed to participate
Has difficulty taking oral medications, a digestive malabsorptive condition other than pancreatic exocrine insufficiency controlled with pancreatic enzyme replacement, or concurrent disease that significantly affects gastrointestinal function
Any condition which in the investigator's opinion deems the participant an unsuitable candidate to receive study drug

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

PRINCIPAL_INVESTIGATOR: Christos Fountzilas, Roswell Park Cancer Institute

Publications

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

No publications available

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Resources

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