MedPath

Safety, Tolerability, Pharmacokinetics, Radiation Dosimetry, and PET Imaging Properties of 89Zr-labeled hNd2 (NMK89) in Patients With Pancreatic Cancer

Phase 1
Recruiting
Conditions
Pancreatic Cancer
Interventions
Registration Number
NCT06129422
Lead Sponsor
Nihon Medi-Physics Co., Ltd.
Brief Summary

This trial will be a non-randomized, Phase I trial to evaluate safety, tolerability, biodistribution, radiation dosimetry, pharmacokinetics and PET imaging properties following an infusion of 37 MBq (1 mCi) of 89Zr-labeled hNd2\* (NMK89) in patients with pancreatic cancer that are positive for MUC5AC. Image acquisition is conducted using a PET/CT machine.

\* hNd2: Recombinant humanized Nd2 (anti-human MUC5AC monoclonal antibody)

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
10
Inclusion Criteria
  1. Willing and able to provide informed consent.
  2. Male or female ≥ 18 years of age.
  3. Histologically confirmed diagnosis of pancreatic adenocarcinoma.
  4. Willing to provide biopsy specimens for purposes of confirmation of MUC5AC expression.
  5. Confirmed MUC5AC expression at pre-screening.
  6. Measurable disease.
  7. Female patients of child-bearing potential must have a negative serum pregnancy test within 30 days prior to infusion of NMK89.
  8. Willing to comply with the study protocol requirements.
  9. Willing to provide a tumor resection specimen or biopsy specimen, if the patient undergoes tumor resection or biopsy between Day 16 and Day 60.
Exclusion Criteria
  1. Known hypersensitivity to the investigational medicinal product (IMP) or any of the excipients.
  2. History of another primary cancer within the 2 years prior to enrollment, except for the curatively treated in situ cancers.
  3. Exposure to any investigational treatments within 30 days prior to the planned date of infusion of NMK89.
  4. Ongoing toxicity ≥ Grade 2.
  5. Pleural effusion or peritoneal fluid ≥ Grade 3.
  6. Active hepatitis B, hepatitis C, HIV, or other progressing infectious disease.
  7. Uncontrolled diabetes.
  8. Autoimmune disease or idiopathic thrombocytopenic purpura.
  9. Exposure to any radiopharmaceuticals.
  10. Planned antineoplastic therapies on the planned date of NMK89 infusion.
  11. Use of bevacizumab or any other anti-angiogenic agent.
  12. Uncontrolled intercurrent illness.
  13. ECOG PS: ≥ 2.
  14. Participants do not have adequate organ and marrow function.
  15. Female patients that are pregnant or breast-feeding.
  16. Positive urine screen for illegal drugs, or abuse of prescribed drugs at Screening.
  17. Participants with contraindications to contrast agent injection used for diagnostic CT.
  18. Deemed inappropriate to participate by the investigator.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
NMK89NMK89Patients will receive a single infusion of NMK89
Primary Outcome Measures
NameTimeMethod
Safety and tolerability of a single infusion of NMK89: physical examination 2Screening

Height

Safety and tolerability of a single infusion of NMK89: physical examination 1Screening to Day 8

Body weight

Safety and tolerability of a single infusion of NMK89: 12-lead ECG 5Screening to Day 8

Corrected QT

Safety and tolerability of a single infusion of NMK89: vital sign 2Screening to Day 8

Heart rate

Safety and tolerability of a single infusion of NMK89: vital sign 1Screening to Day 8

Body temperature

Safety and tolerability of a single infusion of NMK89: 12-lead ECG 3Screening to Day 8

QRS interval

Safety and tolerability of a single infusion of NMK89: 12-lead ECG 4Screening to Day 8

QT

Safety and tolerability of a single infusion of NMK89: 12-lead ECG (Electrocardiogram) 1Screening to Day 8

PR interval

Safety and tolerability of a single infusion of NMK89: Clinical laboratory finding - hematologyScreening to Day 8

Hematology included hemoglobin, hematocrit, mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH), white blood cell count (total and differential: leukocytes, neutrophils, eosinophils, basophils, lymphocytes, monocytes), red blood cells, platelets.

Safety and tolerability of a single infusion of NMK89: Clinical laboratory finding - serum chemistryScreening to Day 8

Serum chemistry included sodium, potassium, chloride, calcium, glucose, creatinine, urea or BUN, albumin, total bilirubin, aspartate transaminase (AST), alanine transaminase (ALT), alkaline phosphatase, gamma-glutamyl transferase (GGT), lipase, amylase and total protein.

Safety and tolerability of a single infusion of NMK89: Clinical laboratory finding - urinalysisScreening to Day 8

Urinalysis included specific gravity, pH, protein, glucose, blood, leukocytes, ketones, nitrite, albumin, creatinine.

Safety and tolerability of a single infusion of NMK89: vital sign 3Screening to Day 8

Systolic blood pressure (SBP)

Safety and tolerability of a single infusion of NMK89: vital sign 4Screening to Day 8

Diastolic blood pressure (DBP)

Safety and tolerability of a single infusion of NMK89: 12-lead ECG 2Screening to Day 8

RR interval

Safety and tolerability of a single infusion of NMK89: Frequency and severity of abnormal adverse events (AEs) (National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE v 5.0))Baseline up to Day 60
Safety and tolerability of a single infusion of NMK89: Clinical laboratory finding - clotting factorsScreening to Day 8

Clotting factors included prothrombin time (quick), reagent-independent prothrombin ratio (international normalized ratio; INR), activated partial thromboplastin time (aPTT).

Safety and tolerability of a single infusion of NMK89: Frequency and severity of abnormal ECOG PS (Eastern Cooperative Oncology Group Performance Status)Screening to Day 8
Secondary Outcome Measures
NameTimeMethod
Biodistribution: Fractional injected 89Zr radioactivity values (percentage of injected dose(%ID))Day 1 to Day 8

PET/CT image acquisitions will be obtained to assess biodistribution of NMK89 in normal tissues and tumors in patients.

Radiation Dosimetry of NMK89: Normalized radiation absorbed doses and normalized effective doseDay 1 to Day 8

Whole-body radiation dosimetry of NMK89 in patients will be estimated.

Blood Pharmacokinetics (PK): Concentration of total antibody in bloodPre-infusion (baseline) to Day 8

PK will be evaluated based on concentration of total antibody obtained within defined volumes of blood.

Biodistribution: Time-integrated activity coefficients (TIACs) (hr)Day 1 to Day 8

PET/CT image acquisitions will be obtained to assess biodistribution of NMK89 in normal tissues and tumors in patients.

Optimization of positron emission tomography (PET) Scan Protocol: Optimal time from injection to start of PETDay 1 to Day 8

Optimal time from injection to start of PET acquisition will be determined.

Predictive radiation dosimetry of hNd2 labeled with therapeutic radionuclide: Normalized absorbed doses and normalized effective doseDay 1 to Day 8

Whole-body radiation dosimetry (if hNd2 will be labeled with a therapeutic radionuclide) will be estimated.

Blood Pharmacokinetics (PK): Concentration of total radioactive counts in bloodDay 1 to Day 8

PK will be evaluated based on concentration of total radioactive counts obtained within defined volumes of blood.

Blood Pharmacokinetics (PK): Abundance ratio of unmetabolized 89Zr-labeled hNd2(%)Day 1 to Day 8

To calculate this ratio, the count of metabolites and non-metabolic components is obtained

Biological half-life of the radionuclide (hr)Day 1 to Day 8

Biological half-life of the radionuclide (hr) will also be estimated.

Public Safety: Radiation measurementDay 1

Public safety will be assessed by acquiring dosimeter readings of a patient following infusion.

Urine Pharmacokinetics (PK): Concentration of total antibody in urinePre-infusion (baseline) to Day 8

PK will be evaluated based on concentration of total antibody obtained within defined volumes of urine.

Urine Pharmacokinetics (PK): Radioactivity counts of 89Zr-labeled hNd2 and metabolites componentsDay 1 to Day 8

Radioactivity counts of 89Zr-labeled hNd2 and metabolites components are measured by magnetic separation, and the abundance ratio of unmetabolized 89Zr-labeled hNd2 (%) will be calculated.

Urine Pharmacokinetics (PK): Concentration of total radioactive counts in urineDay 1 to Day 8

PK will be evaluated based on concentration of total radioactive counts obtained within defined volumes of urine.

Trial Locations

Locations (3)

Fred Hutchinson Cancer Center

🇺🇸

Seattle, Washington, United States

Moffitt Cancer Center

🇺🇸

Tampa, Florida, United States

BAMF Health

🇺🇸

Grand Rapids, Michigan, United States

© Copyright 2025. All Rights Reserved by MedPath