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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06331728
Other study ID # IGNX-T1
Secondary ID
Status Not yet recruiting
Phase Phase 1
First received
Last updated
Start date July 2024
Est. completion date October 2025

Study information

Verified date March 2024
Source IgGenix Australia Pty Ltd
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The goal of this randomized, double-blind, placebo-controlled, single ascending dose clinical trial is to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of IGNX001 in peanut-allergic adults and older Adolescents.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 24
Est. completion date October 2025
Est. primary completion date August 2025
Accepts healthy volunteers No
Gender All
Age group 15 Years to 55 Years
Eligibility Key Inclusion Criteria: - History of physician-diagnosed peanut allergy with clinical reaction to peanut within 2 hours of exposure to peanut or peanut-containing food (within the last 15 years). - Peanut specific IgE level = 5 kUA/L. - Positive peanut SPT with wheal diameter = 5 mm. Key Exclusion Criteria: - History of severe or life-threatening anaphylaxis requiring intubation or admission to intensive care unit within 1 year prior to Screening. - Current, or within the past year, treatment with food allergen immunotherapy or participation in a food allergy immunotherapy study. - Current treatment with aeroallergen immunotherapy, except if on stable monthly maintenance SC aeroallergen immunotherapy.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
IGNX001
IGNX001 given as a single subcutaneous dose on Day 1.
Placebo
Placebo to IGNX001 given as a single subcutaneous dose on Day 1.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
IgGenix Australia Pty Ltd

Outcome

Type Measure Description Time frame Safety issue
Primary Incidence and Severity of Treatment Emergent Adverse Events Treatment emergent adverse events (TEAE) are undesirable events not present prior to medical treatment, or an already present event that worsens either in intensity or frequency following the treatment. All adverse events will be captured and assessed. From time of dose until Exit Visit/Early Termination Visit or until AE is resolved or no further follow-up is required, whichever is longer (up to 13 weeks).
Primary Incidence of Serious Adverse Events and Suspected Unexpected Serious Adverse Reactions A serious adverse events is an adverse event that meets the criteria of being serious as determined by the Investigator. Suspected unexpected serious adverse reactions is an event assessed as serious, related to study product, and unexpected, which are subject to expedited reporting to regulatory authorities and study Investigators. From consent until Exit Visit/Early Termination Visit or until SAE is resolved or no further follow-up is required, whichever is longer (up to 13 weeks).
Primary Number of Participants with Clinically significant Changes from Baseline - Hematology The following list of attributes will be assessed: Hemoglobin, hematocrit, erythrocytes, reticulocytes, platelets, leukocytes (white blood cells), differentials (counts): neutrophils, basophils, eosinophils, lymphocytes, and monocytes Assessed at Screening, Days 1, 2, 4, 8, 15, 29, 43, 57, 71, and 85 (up to 25 weeks).
Primary Number of Participants with Clinically Significant Changes from Baseline - Chemistry The following list of attributes will be assessed: Aspartate aminotransferase, alanine aminotransferase, total and conjugated bilirubin, alkaline phosphatase, gamma-glutamyl-transferase, creatine phosphokinase, albumin, creatinine, blood urea nitrogen, total protein, sodium, chloride, calcium, phosphate, potassium, triglycerides, total cholesterol, glucose. Assessed at Screening, Days 1, 2, 4, 8, 15, 29, 43, 57, 71, and 85 (up to 25 weeks).
Primary Number of Participants with Clinically Significant Changes from Baseline - 12-lead ECGs for HR, PR, QRS, QT, RR and QTcF, and information on T- and U-waves All ECGs will be obtained in supine position following a 10-minute rest. Any clinically significant ECG abnormalities will be captured and reported. Assessed at Screening, Days 1, 15, and 85 (up to 25 weeks).
Primary Number of Participants with Clinically Significant Changes from Baseline - Physical Examinations Complete physical examinations include general appearance, head, ears, eyes, nose, throat, dentition, thyroid, chest (heart, lungs), abdomen, skin, neurological, extremities, back, neck, musculoskeletal, and lymph nodes.
Body weight (kilogram) and height (meter) will be obtained with the participant's shoes and jacket or coat removed. Body mass index is calculated by dividing the participant's body weight in kilograms by the participant's height in meters, squared (kg/m2).
Assessed at Screening, Days 1, 2, 4, 8, 15, 29, 43, 57, 71, and 85 (up to 25 weeks).
Secondary Concentration of IGNX001 in the Plasma Plasma concentrations of IGNX001 will be measured by a specific and validated immunoassay. Assessed at Days 1, 2, 4, 8, 15, 29, 43, 57, 71 and 85 (up to 13 weeks).
Secondary Measurement of Area under the Plasma/Serum Concentration Curve (AUC) PK parameters will be computed using non-compartmental analysis (NCA) using the software WinNonlin (Certara, Inc. Princeton, New Jersey). Actual times for drug administration and blood sampling will be used to compute PK parameters.
AUClast - Area under the concentration-time curve from time zero to the time point of the last reportable concentration (Cplast).
AUCtotal - Area under the concentration-time curve from time zero to infinity, computed as AUCtotal = AUClast + Cplast/lambda where lambda is the slope of the regression curve used to compute half-life.
AUC extrapolated - the percent of AUCtotal extrapolated beyond the last reportable concentration (Cplast). AUC extrapolated = 100 x (Cplast/lambda)/AUCtotal.
AUCx-y - Partial area under the concentration-time curve from time x to time y. More than 1 partial AUC will be computed as feasible.
Assessed at Days 1, 2, 4, 8, 15, 29, 43, 57, 71 and 85 (up to 13 weeks).
Secondary Peak Serum Concentration (Cmax) PK parameters will be computed using non-compartmental analysis (NCA) using the software WinNonlin (Certara, Inc. Princeton, New Jersey). Actual times for drug administration and blood sampling will be used to compute PK parameters.
Cmax - Peak concentration
Assessed at Days 1, 2, 4, 8, 15, 29, 43, 57, 71 and 85 (up to 13 weeks).
Secondary Time to Peak Serum Concentration (Tmax) PK parameters will be computed using non-compartmental analysis (NCA) using the software WinNonlin (Certara, Inc. Princeton, New Jersey). Actual times for drug administration and blood sampling will be used to compute PK parameters.
Tmax - Time of Cmax
Assessed at Days 1, 2, 4, 8, 15, 29, 43, 57, Day 71 and 85 (up to 13 weeks).
Secondary Elimination Half-life (t1/2) PK parameters will be computed using non-compartmental analysis (NCA) using the software WinNonlin (Certara, Inc. Princeton, New Jersey). Actual times for drug administration and blood sampling will be used to compute PK parameters.
Half-life for each phase of decline in concentrations - Computed from the ln-linear slope (lambda) of the regression on the terminal phase of the concentration-time curve. Half-life = ln(2)/lambda. Rules for acceptance of half-life to be based on robustness of the correlation coefficient for the ln-linear regression to be defined in the SAP.
Assessed at Days 1, 2, 4, 8, 15, 29, 43, 57, 71 and 85 (up to 13 weeks).
Secondary Changes Over Time to Anti-drug Antibodies The detection and characterization of antibodies to IGNX001 will be performed using a validated assay method under the supervision of the Sponsor. Assessed at Day 1, Day 15, Day 29, Day 57 and 85 (up to 13 weeks).
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