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NCT03735121 · OUTCOME

Part 2: Model Predicted Ctrough at Steady State (Ctrough,ss) of Atezolizumab

A Study to Investigate Atezolizumab Subcutaneous in Patients With Previously Treated Locally Advanced or Metastatic Non-Small Cell Lung Cancer · Source last updated 2025-12-05

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

Measure
GEOMETRIC_MEAN
Unit
μg/mL
Interval / dispersion
Geometric Coefficient of Variation
Time frame
Atezo SC: Pre&postdose C1D1, postdose C1 Days 2,4,8, Pre&postdose C2,D1 and Predose on D1 of C3,4,8,12 and 16 ; Atezo IV: Pre&postdose on C1D1, postdose C1 Days 2,4,8; Pre&postdose C2D1, Predose on D1 of C3,4,8,12, and 16 (up to approximately 16 months)

What was measured

1 cycle=21 days Abbreviations used-Cycle=C; Day =D; Atezolizumab=atezo.

Analysis population: PK-evaluable population included all participants who received at least one dose of atezolizumab (atezolizumab SC or atezolizumab IV) and had at least 1 evaluable post dose PK sample. Overall number analyzed is the number of participants with data available for analysis.

Groups in this outcome

Part 2: Atezolizumab IV 1200 mg

Participants received atezolizumab, 1200 mg, as an IV infusion, Q3W, on Day 1 of each cycle (1 cycle=21 days) until PD, loss of clinical benefit, or unacceptable toxicity.

Part 2: Atezolizumab SC 1875 mg

Participants received atezolizumab, 1875 mg, co-formulated with rHuPH20, as SC injection, on Day 1 of each cycle (1 cycle=21 days) until PD, loss of clinical benefit, or unacceptable toxicity.

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 2: Atezolizumab IV 1200 mg122
Part 2: Atezolizumab SC 1875 mg246

Reported measurements

Source class 1
Values in μg/mL · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Part 2: Atezolizumab IV 1200 mg17938.8Not reportedNot reportedNot reported
Part 2: Atezolizumab SC 1875 mg20558.1Not reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        spread
        38.8
        value
        179
      2. group Id
        OG001
        spread
        58.1
        value
        205
denoms
  1. counts
    1. group Id
      OG000
      value
      122
    2. group Id
      OG001
      value
      246
    units
    Participants
description
1 cycle=21 days Abbreviations used-Cycle=C; Day =D; Atezolizumab=atezo.
dispersion Type
Geometric Coefficient of Variation
groups
  1. description
    Participants received atezolizumab, 1200 mg, as an IV infusion, Q3W, on Day 1 of each cycle (1 cycle=21 days) until PD, loss of clinical benefit, or unacceptable toxicity.
    id
    OG000
    title
    Part 2: Atezolizumab IV 1200 mg
  2. description
    Participants received atezolizumab, 1875 mg, co-formulated with rHuPH20, as SC injection, on Day 1 of each cycle (1 cycle=21 days) until PD, loss of clinical benefit, or unacceptable toxicity.
    id
    OG001
    title
    Part 2: Atezolizumab SC 1875 mg
param Type
GEOMETRIC_MEAN
population Description
PK-evaluable population included all participants who received at least one dose of atezolizumab (atezolizumab SC or atezolizumab IV) and had at least 1 evaluable post dose PK sample. Overall number analyzed is the number of participants with data available for analysis.
reporting Status
POSTED
time Frame
Atezo SC: Pre&postdose C1D1, postdose C1 Days 2,4,8, Pre&postdose C2,D1 and Predose on D1 of C3,4,8,12 and 16 ; Atezo IV: Pre&postdose on C1D1, postdose C1 Days 2,4,8; Pre&postdose C2D1, Predose on D1 of C3,4,8,12, and 16 (up to approximately 16 months)
title
Part 2: Model Predicted Ctrough at Steady State (Ctrough,ss) of Atezolizumab
type
SECONDARY
unit Of Measure
μg/mL

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Preserved source evidence · Not medical advice