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NCT03213704 · OUTCOME

Objective Response Rate

Larotrectinib in Treating Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With NTRK Fusions (A Pediatric MATCH Treatment Trial) · Source last updated 2026-06-17

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

Measure
NUMBER
Unit
percentage of participants
Interval / dispersion
90% Confidence Interval
Time frame
Up to 2 years from study entry

What was measured

A responder is defined as a patient who achieves a best response of partial response or complete response on the study. Response rates will be calculated as the percent of evaluable patients who are responders. The revised Response Evaluation Criteria in Solid Tumors (RECIST) guideline (version 1.1) was used to determine response and progression in this study, with specific criteria outlined for the different subtypes of tumors (e.g., 2-dimensional measurements for central nervous system (CNS) tumors).

Groups in this outcome

Treatment (Larotrectinib Sulfate)

Patients receive larotrectinib sulfate PO or via NG- or G-tube BID on days 1-28. Cycles repeat every 28 days for up to 2 years in the absence of disease progression or unacceptable toxicity. Patients undergo a CT scan, MRI, an x-ray, bone scan, and/or MIBG scintigraphy during screening and on study. Patients also undergo bone marrow aspiration and/or biopsy during screening and may undergo blood sample collection on study.

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

Analysis denominator · Participants

GroupSource count
Treatment (Larotrectinib Sulfate)9

Reported measurements

Source class 1
Values in percentage of participants · Interval/dispersion: 90% Confidence Interval
GroupValueSpreadLowerUpperComment
Treatment (Larotrectinib Sulfate)33Not reported14.260.2Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        14.2
        upper Limit
        60.2
        value
        33
denoms
  1. counts
    1. group Id
      OG000
      value
      9
    units
    Participants
description
A responder is defined as a patient who achieves a best response of partial response or complete response on the study. Response rates will be calculated as the percent of evaluable patients who are responders. The revised Response Evaluation Criteria in Solid Tumors (RECIST) guideline (version 1.1) was used to determine response and progression in this study, with specific criteria outlined for the different subtypes of tumors (e.g., 2-dimensional measurements for central nervous system (CNS) tumors).
dispersion Type
90% Confidence Interval
groups
  1. description
    Patients receive larotrectinib sulfate PO or via NG- or G-tube BID on days 1-28. Cycles repeat every 28 days for up to 2 years in the absence of disease progression or unacceptable toxicity. Patients undergo a CT scan, MRI, an x-ray, bone scan, and/or MIBG scintigraphy during screening and on study. Patients also undergo bone marrow aspiration and/or biopsy during screening and may undergo blood sample collection on study.
    id
    OG000
    title
    Treatment (Larotrectinib Sulfate)
param Type
NUMBER
reporting Status
POSTED
time Frame
Up to 2 years from study entry
title
Objective Response Rate
type
PRIMARY
unit Of Measure
percentage of participants

Download exact source JSON → · Snapshot ctgov-results-25a395029948b04d52b1253f

Preserved source evidence · Not medical advice