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A Phase 1B Study of Canakinumab, Spartalizumab, Nab-paclitaxel, and Gemcitabine in Metastatic Pancreatic Cancer (PC) Patients

Phase 1
Completed
Conditions
Metastatic Pancreatic Ductal Adenocarcinoma
Interventions
Registration Number
NCT04581343
Lead Sponsor
Pancreatic Cancer Action Network
Brief Summary

This study combines canakinumab (ACZ885), a high-affinity human anti-interleukin-1β (IL-1β) monoclonal antibody (mAb), and spartalizumab (PDR001), a mAb directed against human Programmed Death-1 (PD-1), with the chemotherapy combination of gemcitabine and nab-paclitaxel. This study will confirm for this 4-drug combination the tolerable doses, the acceptable safety profile, and the dose to be used for a Phase II combination treatment regimen.

Detailed Description

This is an open-label multi-center phase Ib study to confirm the recommended phase II/III dose of canakinumab and spartalizumab in combination with nab-paclitaxel and gemcitabine.

The study will recruit patients with metastatic pancreatic adenocarcinoma treated in the first line setting. The starting dose level of canakinumab explored will be 250 mg Q4W ("starting dose level"). In case of unacceptable toxicity of the starting dose level of canakinumab, the dose of canakinumab will be de-escalated to the "-1 dose level" administered as 250 mg Q8W, while other components of the combination stay at the same dose as the starting dose level.

Patients will be observed for dose limiting toxicities (DLTs) for a minimum duration of 56 days (8 weeks). To achieve study objectives and to ensure the adequate number of DLT evaluable patients, the study will recruit approximately ten patients to have at least 6 evaluable patients per dose level of canakinumab. Additional approximately ten patients (to have at least 6 additional evaluable patients) may be enrolled at lower dose level in case a dose de-escalation is necessary.

Dose confirmation will be guided by an adaptive Bayesian logistic regression model (BLRM) based on any DLTs observed for two cycles of treatment (i.e. 56 days, or 8 weeks). The adaptive BLRM will be guided by the Escalation with Overdose Control (EWOC) principle to control the probability of DLT in future patients on the study. BLRM is a well-established and widely used method to estimate the recommended dose for expansion (RDE) or maximal tolerable dose (MTD) in clinical trials in patients with cancer with small sample size. The use of Bayesian response adaptive models for small datasets has been endorsed by academic publications (Babb et al. 1998, Neuenschwander et al. 2008, Neuenschwander et al. 2010, Natanegara et al. 2014), by the European Medicines Agency (Guideline on Clinical Trials in Small Populations, 2007) and it constitutes an important aspect of the FDA's Critical Path Initiative (Clinical Path White Paper, FDA, 2004). The Bayesian analysis incorporates prior toxicity data of single agent and drugs combinations together with the currently available data to predict the probability of DLT and excessive toxicity of a dose level of interest.

The Bayesian method is be based on a Meta-Analytical-Combined (MAC) approach (Spiegelhalter 2004, Neuenschwander 2016) to combine all historical and concurrent data. Prior toxicity information included in the BLRM model was obtained from three studies with canakinumab as a single agent and combination of canakinumab and spartalizumab (PDR001X2101, ACZ885I2202, PRD001X2103) and from a phase I/II study of nab-paclitaxel + gemcitabine (Von Hoff D, et.al., 2011). Simulation was used to illustrate the recommendation from BLRM under a set of hypothetical scenarios with assumed number of evaluable patients and DLTs.

The decisions on a recommended dose will be made by the Investigators and the Sponsor in a Safety Review meeting when at least 6 DLT evaluable patients per dose level will be observed for DLTs for a minimum duration of 56 days (8 weeks). Safety review will be based upon the review of all relevant data available including treatment tolerability and safety information together with the BLRM summaries of DLT probability, PK, PD, and preliminary activity information (if available) at the time of the meeting.

Patients will be treated until disease progression per RECIST 1.1, unacceptable toxicity, or until the patient or treating physician decides to stop treatment.

Pharmacokinetic (PK) and immunogenicity (IG) samples will be collected at specific time points throughout treatment. Each treatment cycle is 4 weeks. All patients must be followed for safety up to 150 days after the last dose of spartalizumab or canakinumab, or 30 days after the last dose of the combination chemotherapy, whichever the later. After the end of safety follow-up, patients will be followed for disease progression if discontinuation of treatment is due to reason other than progression, and for survival (via telephone call or onsite visit if a patient happens to be visiting the site) until the end of study The study completion is defined as when the last patient has completed the study treatment, safety follow up, and completed survival follow up period up to 1 year from first treatment, whichever is later or in the event of an early study termination decision, the date of that decision.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
10
Inclusion Criteria

  • Age > 18 years at the time of informed consent

  • Histologically or cytologically confirmed pancreatic ductal adenocarcinoma (PDAC) (determined by a local laboratory) with metastatic spread of disease (adenosquamous is also allowed).

  • Patients must have not received previous anti-cancer therapy for the treatment of metastatic pancreatic ductal adenocarcinoma.

  • Patients who received previous neo-/adjuvant systemic therapy for non-metastatic PDAC ≥12 months from the last treatment to study enrollment date are allowed unless this therapy included immunotherapy and/or IL-1 inhibitors.

  • Radiographically measurable disease of at least one site by computed tomography (CT) scan (or magnetic resonance imaging, if allergic to CT contrast media) as defined by Response Evaluation Criteria In Solid Tumors (RECIST 1.1). Primary lesion is allowed as long as it is measurable (per RECIST 1.1) and has not been previously irradiated. Imaging results must be obtained within the 28-day screening window.

  • Eastern Cooperative Oncology Group (ECOG) performance status of 0-1.

  • Adequate organ function (laboratory results must be obtained within the 28-day screening window)

    • Absolute neutrophil count > 1500/mm3
    • Hemoglobin > 9 g/dL
    • Platelets > 100,000/mm3
    • Serum creatinine < 1.5 x upper limit normal (ULN), or calculated creatinine clearance > 60 mL/min (Cockcroft Gault)
    • Albumin > 3.0 g/dL
    • Aspartate aminotransferase (AST) serum glutamic oxaloacetic transaminase (SGOT) and/or alanine aminotransferase (ALT) serum glutamic pyruvic transaminase (SGPT) < 3.0 x ULN (< 5 x ULN in presence of liver metastasis).

In patients with elevated ALT or AST, the values must be stable for at least 2 weeks and with no evidence of biliary obstruction on imaging

  • Total bilirubin ≤ 1.5 X ULN

  • INR ≤ 1.5 x ULN

    • Consent to provide protocol-mandated tissue and blood samples for diagnostic, PK, and research purposes
    • Able to adhere to study visit schedule and other protocol requirements
Exclusion Criteria

  • Diagnosis of pancreatic neuroendocrine carcinoma or pancreatic acinar cell carcinoma

  • Previous immunotherapy (e.g. anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CTLA-4 antibody, or any other antibody or drug specifically targeting T-cell co-stimulation or immune checkpoint pathways).

  • Known microsatellite instability-high (MSI-H) or mismatch repair-deficient pancreatic cancer

  • Prior treatment with canakinumab or drugs of a similar mechanism of action (IL-1 inhibitor).

  • History of known hypersensitivity to any of the drugs used in this study or any of their excipients, or patient has contraindication to any of the study drugs as outlined in the local prescribing information (e.g. United States Prescribing Information [USPI])

  • Active autoimmune disease that has required systemic treatment in the past 2 years prior to enrollment i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs. Control of the disorder with replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is permitted.

  • Patient with suspected or proven immunocompromised state or infections, including:

    • Evidence of active or latent tuberculosis (TB) as determined by locally approved screening methods. If the results of the screening per local treatment guidelines or clinical practice require treatment, then the patient is not eligible.
    • Chronic or active hepatitis B or C
    • Known history of testing positive for Human Immunodeficiency Virus (HIV) infections.
    • Any other medical condition (such as active infection, treated or untreated), which in the opinion of the investigator places the patient at an unacceptable risk for participation in immunomodulatory therapy.

Note: Patients with localized condition unlikely to lead to a systemic infection e.g. chronic nail fungal infection are eligible.

  • Allogeneic bone marrow or solid organ transplant

  • Treatment with any immune modulating agent in doses with systemic effects e.g.:

    • Systemic treatment with prednisone > 10 mg (or equivalent) for >14 days within 4 weeks prior to the first dose of study treatment.
    • Equivalent dose of methotrexate > 15 mg weekly
    • Patient receiving any biologic drugs targeting the immune system (for example, TNF blockers, anakinra, rituximab, abatacept, or tocilizumab).
    • Note: Daily glucocorticoid-replacement for conditions such as adrenal or pituitary insufficiency is allowed.
    • Note: Topical, inhaled, or local steroid use in doses that are not considered to cause systemic effects are permitted (based on investigator's discretion and consultation with the Medical Monitor if needed).

  • Patient has concurrent malignancy other than the disease under investigation, with exception of malignancy that was treated curatively and has not recurred within 2 years prior to the date of screening. Fully resected basal or squamous cell skin cancers, and any carcinoma in situ are eligible.

  • Uncontrolled or severe cardiac disease (history of unstable angina, myocardial infarction, coronary stenting, or bypass surgery within the prior 6 months), symptomatic congestive heart failure, serious uncontrolled cardiac arrhythmia [including atrial flutter/fibrillation], requirement for inotropic support or use of devices for cardiac conditions [pacemakers/defibrillators]), uncontrolled hypertension defined by a systolic blood pressure =>160 mg and/or diastolic blood pressure =>100 mg Hg

  • Pre-existing peripheral neuropathy > Grade 1 (CTCAE V 5.0)

  • Receipt of live vaccines within 3 months prior to the first dose of study treatment or while on active treatment within the trial (examples of live vaccines include, but are not limited to, the following: measles, mumps, rubella, chicken pox, yellow fever, rabies, Bacillus Calmette-Guérin (BCG), and typhoid (oral vaccine). Seasonal influenza vaccines for injection are generally killed virus vaccines and are permitted. However, intranasal influenza vaccines (e.g. Flu-mist) are live attenuated vaccines and are not permitted.

  • Patient has had major surgery within 14 days prior to enrollment

  • Patient has symptomatic brain metastases, or brain metastases that require directed therapy (such as focal radiotherapy or surgery). Patients with treated brain metastases have to be neurologically stable and not using systemic steroids for at least 4 weeks prior to the study drug administration.

  • Women of child-bearing potential, defined as all women physiologically capable of becoming pregnant, unless they are willing to use highly effective methods of contraception during treatment with study drugs (canakinumab, spartalizumab, gemcitabine and nab-paclitaxel).

  • Highly effective contraception methods are required while on treatment and for 150 days after stopping spartalizumab. No contraception is required after treatment with canakinumab is stopped. Contraception use after chemotherapy is stopped should be followed per the local drug label requirements.

Highly effective contraception methods include:

  • Total abstinence (when this is in line with the preferred and usual lifestyle of the patient. Periodic abstinence (i.e., calendar, ovulation, symptothermal, postovulation methods) and withdrawal are not acceptable methods of contraception
  • Female sterilization (have had bilateral surgical oophorectomy (with or without hysterectomy), total hysterectomy or bilateral 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). The vasectomized male partner should be the sole partner for that patient.
  • Use of oral, injected or implanted hormonal methods of contraception or placement of an intrauterine device (IUD) or intrauterine system (IUS) or other forms of hormonal contraception that have comparable efficacy (failure rate <1%), for example hormone vaginal ring or transdermal hormone contraception In case of use of oral contraception women should have been stable on the same pill for a minimum of 3 months before taking study treatment.

Note: Women of non-childbearing potential is defined as women who are physiologically and/or anatomically incapable of becoming pregnant, as now further described:

  • They are post-menopausal as evidenced by 12 months of natural (spontaneous) amenorrhea with an appropriate clinical profile (i.e., age appropriate history of vasomotor symptoms).
  • They have had bilateral surgical oophorectomy (with or without hysterectomy), total hysterectomy or bilateral tubal ligation at least six weeks prior. In the case of oophorectomy alone, only when the reproductive status of the woman has been confirmed by follow up hormone level assessment is she considered not of childbearing potential.

Note: Sexually active male patients and their partners who are women of childbearing potential should follow the contraception recommendations and any other precautionary measures as required by the local prescribing information for the standard of care (SOC) anti-cancer.

  • Any significant medical condition, laboratory abnormality or psychiatric condition that would constitute unacceptable safety risks to the patients, contraindicate patient participation in the clinical study, limit the patient's ability to comply with study requirements, or compromise patient's compliance with the protocol and all requirements of the study as stated in the Informed Consent Form. Significant medical conditions include but are not limited to known history or current interstitial lung disease or non-infectious pneumonitis, medical history or current diagnosis of myocarditis, chronic active hepatitis, liver cirrhosis or any other significant liver disease with moderate to severe hepatic impairment (Child-Pugh B or C), serious non-healing wound/ulcer/bone fracture, uncompensated/symptomatic hypothyroidism, or requirement for hemodialysis or peritoneal dialysis.
  • Unwillingness or unable to comply with all requirement of the study as stated in the Informed Consent Form

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Canakinumab, spartalizumab, nab-paclitaxel and gemcitabineCanakinumab injection; spartalizumab, nab-paclitaxel, gemcitabineSpartalizumab (PDR001),IV infusion, 400 mg, D1 of each 28-day cycle; Canakinumab (ACZ885), s.c. injection, 250 mg, Day 1 of each 28- day cycle; Gemcitabine, IV Infusion, 1000 mg/m2, Days 1, 8, 15 of each 28-day cycle; Nab-paclitaxel, IV Infusion, 125 mg/m2, Days 1, 8, 15 of each 28-day cycle.
Primary Outcome Measures
NameTimeMethod
The Incidence of DLTs in the First 56 Days (8 Weeks) of Dosing to Determine Tolerable Phase 2/3 Dose of Canakinumab, Spartalizumab, Nab-paclitaxel and Gemcitabine in Patients With Metastatic Pancreatic Cancer.Assess the incidence of dose limiting toxicities (DLT) in the first 56 days (8 weeks) of dosing

Evaluate dose limiting toxicities of patients with metastatic pancreatic cancer for at least 56 days (DLT period) after dosing with canakinumab at 250 mg every 4 weeks (Q4W), 400mg Spartalizumab Q4W and Gemcitabine/nab-paclitaxel on Days 1, 8 and 15 at standard of care levels. Dose limiting toxicities were evaluated to determine if dosing of canakinumab at 250 mg every 4 weeks with the other three drugs was considered tolerable and should be the dose utilized for future Phase 2/3 clinical trials. The starting dose level of canakinumab explored was 250 mg every 4 weeks (Q4W) ("starting dose level"). In case of unacceptable toxicity of canakinumab at 250 mg Q4W, the dose of canakinumab was to be de-escalated to 250 mg every 8 weeks, while other components of the combination were kept at the same dose as the starting dose level. Approximately 10 patients were to be enrolled in this study to have at least 6 evaluable patients per dose level of canakinumab.

Secondary Outcome Measures
NameTimeMethod
Determine the Tolerability of Canakinumab, Spartalizumab, Nab-paclitaxel and Gemcitabine in Patients With Metastatic Pancreatic CancerFrom Day 1 of study treatment through End of Treatment visit, an average of 6 months

Determine the Tolerability through frequency of dose interruptions and dose reductions of canakinumab, spartalizumab, nab-paclitaxel and gemcitabine

Determine the Disease Control Rate (DCR) of Canakinumab, Spartalizumab, Nab-paclitaxel and Gemcitabine in Patients With Metastatic Pancreatic CancerTumor response data from CT/MRI scans will be taken at screening visit and every 8 weeks throughout study treatment, an average of 6 months;

The Disease Control Rate (DCR) is calculated based on tumor response data \[complete Response (CR) and Partial Response (PR) and Stable Disease (SD)\] assessed at the local site using RECIST 1.1 Criteria of patients treated with canakinumab, spartalizumab, nab-paclitaxel and gemcitabine

Determine the Progression Free Survival (PFS) of Canakinumab, Spartalizumab, Nab-paclitaxel and Gemcitabine in Patients With Metastatic Pancreatic CancerTumor response data from CT/MRI scans will be taken at screening visit and every 8 weeks throughout study treatment, an average of 6 months;

The Progression Free Survival is defined as the time from the date of the first dose to the date of disease progression, assessed at the local site using RECIST 1.1 Criteria, of patients treated with canakinumab, spartalizumab, nab-paclitaxel and gemcitabine

Characterize the Pharmacokinetics of Nab-paclitaxel in Patients With Metastatic Pancreatic CancerPharmacokinetic (PK) blood draws will be taken during cycles 1 and 2 for nab-paclitaxel analyte; Every cycle is 28-days, total estimated time is 2 months;

Characterize the Descriptive Statistics (n, m (number of non-zero concentrations), mean, coefficient of variation CV%, SD, median, geometric mean, geometric CV%, minimum and maximum) of the Pharmacokinetic (PK) blood samples of patients treated with canakinumab, spartalizumab, nab-paclitaxel and gemcitabine;

Characterize the Pharmacokinetics of Gemcitabine in Patients With Metastatic Pancreatic CancerPharmacokinetic (PK) blood draws will be taken during cycles 1 and 2 for gemcitabine analyte; Every cycle is 28-days, total estimated time is 2 months;

Characterize the Descriptive Statistics (n, m (number of non-zero concentrations), mean, coefficient of variation CV%, SD, median, geometric mean, geometric CV%, minimum and maximum) of the Pharmacokinetic (PK) blood samples of patients treated with canakinumab, spartalizumab, nab-paclitaxel and gemcitabine;

Characterize the Pharmacokinetics of Canakinumab in Patients With Metastatic Pancreatic CancerPharmacokinetic (PK) blood draws will be taken during cycles 1-6 for canakinumab analyte; Every cycle is 28-days, total estimated time is 6 months;

Characterize the Descriptive Statistics (n, m (number of non-zero concentrations), mean, coefficient of variation (CV)%, SD, median, geometric mean, geometric CV%, minimum and maximum) of the Pharmacokinetic (PK) blood samples of patients treated with canakinumab, spartalizumab, nab-paclitaxel and gemcitabine;

Characterize the Pharmacokinetics of Spartalizumab in Patients With Metastatic Pancreatic CancerPharmacokinetic (PK) blood draws will be taken during cycles 1-6 for spartalizumab analyte; Every cycle is 28-days, total estimated time is 6 months;

Characterize the Descriptive Statistics (n, m (number of non-zero concentrations), mean, coefficient of variation CV%, SD, median, geometric mean, geometric CV%, minimum and maximum) of the Pharmacokinetic (PK) blood samples of patients treated with canakinumab, spartalizumab, nab-paclitaxel and gemcitabine;

To Determine the Safety and Tolerability of Canakinumab in Combination With Spartalizumab, Nab-paclitaxel, and GemcitabineFrom Day 1 of study treatment through Safety Follow-up period (150-days after the last study treatment)

Determine the Safety of canakinumab, spartalizumab, nab-paclitaxel and gemcitabine via frequency and severity of adverse events (AEs), serious and non-serious. To assess tolerability of canakinumab, spartalizumab, nab-paclitaxel and gemcitabine via frequency of dose interruptions and dose reductions

Determine the Response-related Efficacy Assessments Objective Response Rate (ORR) and Duration of Response (DOR) of Canakinumab, Spartalizumab, Nab-paclitaxel and Gemcitabine in Patients With Metastatic Pancreatic CancerTumor response data from CT/MRI scans will be taken at screening visit and every 8 weeks throughout study treatment, an average of 6 months;

Objective Response Rate (ORR) and Duration of Response (DOR) are calculated based on tumor response data \[complete Response (CR) and Partial Response (PR)\] assessed at the local site using RECIST 1.1 Criteria of patients treated with canakinumab, spartalizumab, nab-paclitaxel and gemcitabine. Per Overall Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.1) for target lesions and assessed by CT Scans: Complete Response(CR), Disappearance of all target and non-target lesions; Partial Response (PR), at least a 30% decrease in the sum of diameter of all target lesions, taking as reference the baseline sum of diameters.; Objective/Overall Response Rate (ORR) = CR or PR.

Determine the Time To Response Rate (TTR) of Canakinumab, Spartalizumab, Nab-paclitaxel and Gemcitabine in Patients With Metastatic Pancreatic CancerTumor response data from CT/MRI scans will be taken at screening visit and every 8 weeks throughout study treatment, an average of 6 months;

The Time To Response Rate is defined as the time from the date of the first dose to the date of first documented tumor response \[Complete Response (CR) or Partial Response (PR)\], assessed at the local site using RECIST 1.1 Criteria, of patients treated with canakinumab, spartalizumab, nab-paclitaxel and gemcitabine. TTR is only assessed for patients with either CR or PR.

Determine the Overall Survival (OS) of Canakinumab, Spartalizumab, Nab-paclitaxel and Gemcitabine in Patients With Metastatic Pancreatic CancerOverall Survival assessment will be from first day of study treatment, through safety follow up period, and until subject's date of death, or until study closure

The Overall Survival is defined as the time from the date of the first dose to the date of death, due to any cause, of patients treated with canakinumab, spartalizumab, nab-paclitaxel and gemcitabine

Trial Locations

Locations (2)

Dana Farber Cancer Institute

🇺🇸

Boston, Massachusetts, United States

New York University

🇺🇸

New York, New York, United States

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