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Safety and Efficacy of Mitazalimab in Combination With Chemotherapy in Pancreatic Cancer Patients (OPTIMIZE-1)

A

Alligator Bioscience

Status and phase

Enrolling
Phase 2
Phase 1

Conditions

Metastatic Pancreatic Ductal Adenocarcinoma

Treatments

Biological: CD40 agonist mitazalimab in combination with chemotherapy

Study type

Interventional

Funder types

Industry

Identifiers

NCT04888312
A-20-1013-C-03

Details and patient eligibility

About

Phase 1b/2 study to assess the safety and efficacy of mitazalimab in combination with chemotherapy in patients with metastatic pancreatic ductal adenocarcinoma.

Full description

OPTIMIZE-1 is a phase 1b/2, open-label, multi-center study assessing the clinical efficacy of mitazalimab in combination with chemotherapy in patients with metastatic pancreatic ductal adenocarcinoma.

The efficacy of intravenously administered mitazalimab in combination with the standard of care chemotherapy mFOLFIRINOX will be evaluated in patients with metastatic pancreatic ductal adenocarcinoma. Two dose levels of mitazalimab, 450 ug/kg and 900 ug/kg, are planned to be evaluated together with mFOLFIRINOX for determination of recommended phase 2 dose (RP2D) of mitazalimab in combination with mFOLFIRINOX before entering a dose expansion part with RP2D obtained. The expansion part will evaluate the clinical efficacy of mitazalimab in combination with mFOLFIRINOX assessing objective response rate (ORR), primary endpoint, as well as Progression-free survival (PFS) and Overall survival (OS). The dose expansion part includes a Simon´s two-stage design with an interim analysis for stop for futility or efficacy based on ORR.

Enrollment

90 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Has provided written informed consent

  2. Is ≥18 years of age at the time of signing the informed consent form (ICF)

  3. Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1

  4. Has a diagnosis of previously untreated metastatic pancreatic ductal adenocarcinoma (histologically documented)

  5. Has measurable disease per RECIST v. 1.1

  6. Has not received previous chemotherapy for pancreatic ductal adenocarcinoma

  7. Has not received prior abdominal radiotherapy (except for palliative radiotherapy to non-target lesions)

  8. Has a life expectancy of ≥ 3 months

  9. Has acceptable hematologic laboratory values defined as:

    1. Neutrophils ≥ 1.5 x 109/L without growth factor stimulation within 3 weeks prior to the blood test
    2. Platelets ≥100 x 109/L
    3. Hemoglobin ≥6.2 mmol/L (~100 g/L) (may be after transfusion)
  10. Has acceptable clinical chemistry laboratory values defined as:

    1. Bilirubin ≤1.5 x ULN (biliary drainage is permitted)
    2. AST ≤3 x ULN (irrespective of hepatic metastases)
    3. ALT ≤3 x ULN (irrespective of hepatic metastases)
    4. Creatinine ≤1.5 x ULN or glomerular filtration rate (GFR) of ≥45 mL/min
    5. INR ≤1.5 x ULN
    6. Albumin ≥28 g/L
  11. For women of childbearing potential1:

    1. Has a negative highly sensitive serum (β-human chorionic gonadotropin [β-hCG]) pregnancy test at screening
    2. Is willing to use highly effective contraception methods during study treatment and for at least six months thereafter
  12. Fertile men must practice effective contraceptive methods (i.e. surgical sterilization, or a condom used with a spermicide) during study treatment and for at least six months thereafter

  13. Is willing to comply with all study procedures

Exclusion criteria

  1. Has other types of non-ductal tumor of the pancreas, including endocrine tumors or acinar cell adenocarcinoma, cyst adenocarcinoma and ampullary carcinoma
  2. Has other current cancer or history of cancer in the prior 3 years before signing the ICF other than in situ cervical cancer, or basal cell or squamous cell carcinoma treated with local excision only
  3. Has known CNS metastases or carcinomatous meningitis
  4. Has contraindication to any constituent of study treatment (mitazalimab and applicable chemotherapy)
  5. Has a history of chronic diarrhea, inflammatory disease of the colon or rectum, or unresolved partial or complete intestinal obstruction
  6. Has a history of myocardial infarction within 12 months of the first administration of mitazalimab, uncontrolled angina pectoris, unstable cardiac arrhythmias, or congestive heart failure of New York Heart Association class II or greater
  7. Has QTc >450 msec
  8. Has uncontrolled intercurrent illness, including active infection
  9. Has a known history of HIV, hepatitis B or active hepatitis C infection
  10. Is a female patient who is pregnant or nursing
  11. Has received attenuated vaccine within 28 days before the first dose of study treatment
  12. Any condition that, in the opinion of the Investigator, would place the patient at increased risk or preclude the patient's compliance with the study
  13. Participates in another investigational drug or device study with any intervention within the previous 4 weeks prior to first dose of mitazalimab
  14. Has received prior treatment with irinotecan or platinum-containing chemotherapy
  15. Has pre-existing peripheral neuropathy greater than grade 1
  16. Has known Gilbert's disease
  17. Has known genotype UGT1A1 * 28 / * 28
  18. Has known fructose intolerance (malabsorption)
  19. Has complete dihydropyrimidine dehydrogenase (DPD) deficiency

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

90 participants in 1 patient group

Intravenously administered mitazalimab given in combination with chemotherapy
Experimental group
Description:
Mitazalimab, a human monoclonal antibody targeting CD40, administered intravenously every 14 days, in combination with standard of care chemotherapy modified FOLFIRINOX.
Treatment:
Biological: CD40 agonist mitazalimab in combination with chemotherapy

Trial contacts and locations

16

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Central trial contact

Karin Nordbladh; Philip Van Der Veen

Data sourced from clinicaltrials.gov

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