Stereotactic Body Radiotherapy and Focal Adhesion Kinase Inhibitor in Advanced Pancreas Adenocarcinoma

  • End date
    Dec 31, 2025
  • participants needed
  • sponsor
    Washington University School of Medicine
Updated on 4 October 2022
neutrophil count
stereotactic body radiation therapy
cancer chemotherapy


Patients with advanced pancreas adenocarcinoma will be randomized on a 6:1 basis to receive standard of care chemotherapy followed by stereotactic body radiotherapy (SBRT) with concurrent and adjuvant FAK inhibitor defactinib (experimental arm) or standard of care chemotherapy followed by SBRT (control arm). Patients enrolled to the experimental arm will be assessed for clinical outcomes such as progression free survival (PFS), local control, distant control, and toxicity. The first 6 patients randomized to the experimental arm will be considered the safety lead-in and will be assessed for dose-limiting toxicities (DLTs). The 6 patients randomized to the control arm will be evaluated for correlatives but will not be included in the analysis for primary and secondary endpoints.

Hypothesis: locally advanced pancreas cancer patients treated with SBRT and concurrent plus adjuvant defactinib will have increased PFS compared to historical rates for patients receiving SBRT alone.

Condition Pancreas Cancer, Cancer of the Pancreas, Pancreas Adenocarcinoma
Treatment tumor biopsy, Defactinib, Research blood draw, MR-guided stereotactic body radiation therapy
Clinical Study IdentifierNCT04331041
SponsorWashington University School of Medicine
Last Modified on4 October 2022


Yes No Not Sure

Inclusion Criteria

Histologically or cytologically confirmed locally advanced pancreas adenocarcinoma that is considered borderline resectable or unresectable per institutional standardized criteria of unresectability or medical inoperability (NCCN guidelines 2.2021 PANC-C 1 of 2)
Patients with locoregional adenopathy are eligible as long as all suspicious lymph nodes are deemed to be adjacent to the primary tumor as per radiation oncologist assessment
At least 3 months of systemic chemotherapy for this disease without progression of local or systemic disease. Newly diagnosed patients may be screened for enrollment in this study and can be enrolled once they have completed 3 months of systemic chemotherapy (and still meet all eligibility criteria) prior to the start of study treatment
At least 18 years of age
ECOG performance status ≤ 1
Life expectancy > 3 months
Normal bone marrow and organ function within 21 days of randomization as defined
Absolute neutrophil count ≥ 1,500/mcL
Platelets ≥ 100,000/mcL
Hemoglobin ≥ 9.0 g/dL
Total bilirubin ≤ 1.5 x IULN; no prior history of Gilbert's syndrome
AST(SGOT)/ALT(SGPT) ≤ 2.5 x IULN or ≤ 5.0 x IULN if due to liver involvement by tumor
Creatinine clearance ≤ 1.5 x IULN or glomerular filtration rate of ≥ 60 mL/min
INR ≤ 1.5 x IULN unless patient is receiving anticoagulant therapy as long as INR or PTT is within therapeutic range of intended use of anticoagulants
aPTT ≤ 1.5 x IULN unless patient is receiving anticoagulant therapy as long as INR or PTT is within therapeutic range of intended use of anticoagulants
Albumin ≥ 2.5 mg/dL
Corrected QT interval (QTc) < 480 ms (as calculated by the Fridericia correction
The effects of defactinib on the developing human fetus are unknown. For this reason and because radiation therapy is known to be teratogenic, women of childbearing potential and men must agree to use highly effective contraception (hormonal or barrier method of birth control, abstinence) prior to study entry and for the duration of study participation. Should a woman become pregnant or suspect she is pregnant while participating in this study, she must inform her treating physician immediately. Men treated or enrolled on this protocol must also agree to use adequate contraception prior to the study, for the duration of the study, and 120 days after completion of the study
Ability to understand and willingness to sign an IRB approved written informed consent document

Exclusion Criteria

A history of other malignancy with the exception of malignancies for which all treatment was completed at least 2 years before registration and the patient has no evidence of disease
Clinical evident ascites or pleural effusion that requires therapeutic paracentesis or thoracentesis
Prior treatment with a drug of the FAK inhibitor class or with an anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CD137, or anti-cytotoxic T-lymphocyte associated antigen 4 (CTLA-4) antibody (including ipilimumab or any other antibody or drug specifically targeting T-cell co-stimulation or checkpoint pathways
Prior anti-human antibody response (AHA or ADA)
Currently receiving any other investigational agents or has receive any other investigational agents within 4 weeks or 5 half-lives or planned first dose of study agents
A history of allergic reactions attributed to compounds of similar chemical or biologic composition to defactinib or other agents used in the study
Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy or any other form of immunosuppressive therapy not routinely associated with chemotherapeutic regimen
Requires continued use of warfarin for anticoagulation and cannot stop warfarin or be safely switched to another anticoagulant or direct oral anticoagulant
Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, hypertension, immunosuppression, autoimmune conditions, or underlying pulmonary disease
Has an active autoimmune disease requiring systemic treatment within the past 2 years (i.e. with use of disease modifying agents, corticosteroids, or immunosuppressive drugs). Replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment
Known history of hepatitis B (defined as hepatitis B surface antigen [HBsAg] reactive) or known active hepatitis C virus (defined as HCV RNA [qualitative] is detected)
Received a live vaccine within 30 days prior to the first study treatment. Examples of live vaccines include, but are not limited to, the following: measles, mumps, rubella, varicella/zoster (chicken pox), yellow fever, rabies, Bacillus Calmette-Guérin (BCG), and typhoid vaccine. Seasonal influenza vaccines for injection are generally killed virus vaccines and are allowed; however, intranasal influenza vaccines (e.g. FluMist) are live attenuated vaccines and are not allowed
Has a history of (non-infectious) pneumonitis that required steroids or current pneumonitis
Has a known history of active TB (bacillus tuberculosis)
Major surgery within 28 days prior to the first study treatment
Pregnant and/or breastfeeding. Women of childbearing potential must have a negative pregnancy test within 14 days of study entry
Patients with HIV are eligible unless their CD4+ T-cell counts are < 350 cells/mcL or they have a history of AIDS-defining opportunistic infection within the 12 months prior to registration. Concurrent treatment with effective ART according to DHHS treatment guidelines is recommended
Exposure to P-glycoprotein (P-gp) inhibitors or inducers within 14 days prior to the first dose and during the course of therapy
Known SARS-Cov2 infection ≤28 days prior to first dose of study therapy
Subjects with the inability to swallow oral medications or impaired gastrointestinal absorption due to gastrectomy or active inflammatory bowel disease
Subjects with a history of hypersensitivity to any of the inactive ingredients (hydroxypropylmethylcellulose, mannitol, magnesium stearate) of the investigational product
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