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NCT02155647 · OUTCOME

Part A: Number of Participants With Positive Treatment Emergent Anti-Avelumab Antibodies

Avelumab in Participants With Merkel Cell Carcinoma (JAVELIN Merkel 200) · Source last updated 2024-03-13

Results reported by the registry submitting party. Population, time horizon, units and missing values must be read together.

Measure
COUNT_OF_PARTICIPANTS
Unit
Participants
Interval / dispersion
Not reported
Time frame
Up to 80 weeks

What was measured

Serum samples were analyzed by a validated electrochemiluminesce immunoassay to detect the presence of anti-avelumab antibodies. Samples that screened positive were subsequently tested in a confirmatory assay. Those confirmed positive were titered for a quasi-quantitative result. Number of participants with positive treatment emergent anti-Avelumab antibodies were reported. Participants not positive prior to treatment with avelumab and with at least one positive result in the human-Antihuman Antibodies assay were characterized as treatment-emergent.

Analysis population: Safety analysis set included all participants who received at least 1 dose of study treatment. Here "Number of participants analyzed" signifies those who were evaluable for this outcome measure.

Groups in this outcome

Part A: Avelumab

Participants with metastatic Merkel cell carcinoma (MCC) after failing first-line chemotherapy received Avelumab at a dose of 10 milligram per kilogram (mg/kg) as 1-hour intravenous infusion once every 2 weeks until therapeutic failure, significant clinical deterioration, unacceptable toxicity, or any criterion for withdrawal from the trial or investigational medicinal product occurs.

Group identifiers and denominators belong to this outcome only. They may differ in another outcome or in safety reporting.

Analysis denominator · Participants

GroupSource count
Part A: Avelumab82

Reported measurements

Source class 1
Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Part A: Avelumab3Not reportedNot reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        3
denoms
  1. counts
    1. group Id
      OG000
      value
      82
    units
    Participants
description
Serum samples were analyzed by a validated electrochemiluminesce immunoassay to detect the presence of anti-avelumab antibodies. Samples that screened positive were subsequently tested in a confirmatory assay. Those confirmed positive were titered for a quasi-quantitative result. Number of participants with positive treatment emergent anti-Avelumab antibodies were reported. Participants not positive prior to treatment with avelumab and with at least one positive result in the human-Antihuman Antibodies assay were characterized as treatment-emergent.
groups
  1. description
    Participants with metastatic Merkel cell carcinoma (MCC) after failing first-line chemotherapy received Avelumab at a dose of 10 milligram per kilogram (mg/kg) as 1-hour intravenous infusion once every 2 weeks until therapeutic failure, significant clinical deterioration, unacceptable toxicity, or any criterion for withdrawal from the trial or investigational medicinal product occurs.
    id
    OG000
    title
    Part A: Avelumab
param Type
COUNT_OF_PARTICIPANTS
population Description
Safety analysis set included all participants who received at least 1 dose of study treatment. Here "Number of participants analyzed" signifies those who were evaluable for this outcome measure.
reporting Status
POSTED
time Frame
Up to 80 weeks
title
Part A: Number of Participants With Positive Treatment Emergent Anti-Avelumab Antibodies
type
SECONDARY
unit Of Measure
Participants

Download exact source JSON → · Snapshot ctgov-results-191f4516d4760045304b24a0

Preserved source evidence · Not medical advice