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NCT04238819 · OUTCOME

Number or Participants With DLTs in Part B

A Study of Abemaciclib (LY2835219) in Combination With Other Anti-Cancer Treatments in Children and Young Adult Participants With Solid Tumors, Including Neuroblastoma · Source last updated 2026-03-02

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
Cycle 1 (21 Day Cycle)

What was measured

A DLT was 1 of the following adverse events likely related to abemaciclib/combination and fulfils any 1 of the following criteria graded as per National Cancer Institute-Common Terminology Criteria for Adverse Events (NCI-CTCAE) v5.0: * Any non-hematologic Grade (G) ≥3 toxicity, except: * G3 diarrhea lasting \<72 hr * Acute irinotecan-associated diarrhea lasting \<7 days * G≥3 nausea, vomiting, constipation that lasts \<72 hr * G3 mucositis/stomatitis lasting \<72 hr * G3 fever/infection * G≥3 electrolyte abnormality that lasts \<72 hr, is not complicated, and resolves spontaneously or responds to conventional medication; * G≥3 amylase/lipase that is not associated with symptoms/clinical manifestations of pancreatitis; or * AST/ALT elevation resolving to eligibility criteria within 7 days; * Hematologic toxicities considered a DLT: * A \>14-day Cycle 2 delay due to neutropenia/thrombocytopenia * G≥3 thrombocytopenia with significant bleeding; or * G≥ 4 neutropenic fever

Analysis population: All participants in Part B who received at least one dose of the study drug and had evaluable data for this outcome.

Groups in this outcome

Part B Cohort B1

Participants received: * Abemaciclib: 70 mg/m², administered orally BID. * Temozolomide: 100 mg/m²/day, administered orally on Days 1-5 of each cycle. Treatment continued until progressive disease, a discontinuation criterion, or unacceptable toxicity. Each cycle lasted 21 days.

Part B Cohort B2

Participants received: * Abemaciclib: 90 mg/m², administered orally BID. * Temozolomide: 100 mg/m²/day, administered orally on Days 1-5 of each cycle. Treatment continued until progressive disease, a discontinuation criterion, or unacceptable toxicity. Each cycle lasted 21 days.

Part B Cohort B3

Participants received: * Abemaciclib: 115 mg/m², administered orally BID. * Temozolomide: 100 mg/m²/day, administered orally on Days 1-5 of each cycle. Treatment continued until progressive disease, a discontinuation criterion, or unacceptable toxicity. Each cycle lasted 21 days.

Part B Cohort B5

Participants received: * Abemaciclib: 115 mg/m², administered orally BID. * Temozolomide: 150 mg/m²/day, administered orally on Days 1-5 of each cycle. Treatment continued until progressive disease, a discontinuation criterion, or unacceptable toxicity. Each cycle lasted 21 days.

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 B Cohort B13
Part B Cohort B29
Part B Cohort B33
Part B Cohort B511

Reported measurements

Source class 1
Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Part B Cohort B10Not reportedNot reportedNot reportedNot reported
Part B Cohort B21Not reportedNot reportedNot reportedNot reported
Part B Cohort B30Not reportedNot reportedNot reportedNot reported
Part B Cohort B51Not reportedNot reportedNot reportedNot reported
Complete source fields
calculate Pct
false
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        0
      2. group Id
        OG001
        value
        1
      3. group Id
        OG002
        value
        0
      4. group Id
        OG003
        value
        1
denoms
  1. counts
    1. group Id
      OG000
      value
      3
    2. group Id
      OG001
      value
      9
    3. group Id
      OG002
      value
      3
    4. group Id
      OG003
      value
      11
    units
    Participants
description
A DLT was 1 of the following adverse events likely related to abemaciclib/combination and fulfils any 1 of the following criteria graded as per National Cancer Institute-Common Terminology Criteria for Adverse Events (NCI-CTCAE) v5.0: * Any non-hematologic Grade (G) ≥3 toxicity, except: * G3 diarrhea lasting \<72 hr * Acute irinotecan-associated diarrhea lasting \<7 days * G≥3 nausea, vomiting, constipation that lasts \<72 hr * G3 mucositis/stomatitis lasting \<72 hr * G3 fever/infection * G≥3 electrolyte abnormality that lasts \<72 hr, is not complicated, and resolves spontaneously or responds to conventional medication; * G≥3 amylase/lipase that is not associated with symptoms/clinical manifestations of pancreatitis; or * AST/ALT elevation resolving to eligibility criteria within 7 days; * Hematologic toxicities considered a DLT: * A \>14-day Cycle 2 delay due to neutropenia/thrombocytopenia * G≥3 thrombocytopenia with significant bleeding; or * G≥ 4 neutropenic fever
groups
  1. description
    Participants received: * Abemaciclib: 70 mg/m², administered orally BID. * Temozolomide: 100 mg/m²/day, administered orally on Days 1-5 of each cycle. Treatment continued until progressive disease, a discontinuation criterion, or unacceptable toxicity. Each cycle lasted 21 days.
    id
    OG000
    title
    Part B Cohort B1
  2. description
    Participants received: * Abemaciclib: 90 mg/m², administered orally BID. * Temozolomide: 100 mg/m²/day, administered orally on Days 1-5 of each cycle. Treatment continued until progressive disease, a discontinuation criterion, or unacceptable toxicity. Each cycle lasted 21 days.
    id
    OG001
    title
    Part B Cohort B2
  3. description
    Participants received: * Abemaciclib: 115 mg/m², administered orally BID. * Temozolomide: 100 mg/m²/day, administered orally on Days 1-5 of each cycle. Treatment continued until progressive disease, a discontinuation criterion, or unacceptable toxicity. Each cycle lasted 21 days.
    id
    OG002
    title
    Part B Cohort B3
  4. description
    Participants received: * Abemaciclib: 115 mg/m², administered orally BID. * Temozolomide: 150 mg/m²/day, administered orally on Days 1-5 of each cycle. Treatment continued until progressive disease, a discontinuation criterion, or unacceptable toxicity. Each cycle lasted 21 days.
    id
    OG003
    title
    Part B Cohort B5
param Type
COUNT_OF_PARTICIPANTS
population Description
All participants in Part B who received at least one dose of the study drug and had evaluable data for this outcome.
reporting Status
POSTED
time Frame
Cycle 1 (21 Day Cycle)
title
Number or Participants With DLTs in Part B
type
PRIMARY
unit Of Measure
Participants

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Preserved source evidence · Not medical advice