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NCT00410761 · OUTCOME

Objective Response Rate (ORR)

An Efficacy Study Comparing ZD6474 to Placebo in Medullary Thyroid Cancer · Source last updated 2025-09-24

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

Measure
NUMBER
Unit
Participants
Interval / dispersion
Not reported
Time frame
RECIST assessments performed at screening (within 3 weeks before randomisation), then every 12 weeks. For patients with objective response of CR or PR, an additional confirmatory scan was performed ≥4 weeks following the date of first response.

What was measured

The ORR is the number of patients that are responders ie those patients with a confirmed best objective response of complete response (CR) or partial response (PR) as defined by RECIST criteria. The categories for best objective response are CR, PR, stable disease (SD)\>= 12 weeks, progressive disease (PD) or NE.

Groups in this outcome

Vandetanib 300 mg

Vandetanib (300 mg daily)

Placebo

Placebo daily

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

Analysis denominator · Participants

GroupSource count
Vandetanib 300 mg231
Placebo100

Reported measurements

Source class 1
Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Vandetanib 300 mg104Not reportedNot reportedNot reportedNot reported
Placebo13Not reportedNot reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        104
      2. group Id
        OG001
        value
        13
denoms
  1. counts
    1. group Id
      OG000
      value
      231
    2. group Id
      OG001
      value
      100
    units
    Participants
description
The ORR is the number of patients that are responders ie those patients with a confirmed best objective response of complete response (CR) or partial response (PR) as defined by RECIST criteria. The categories for best objective response are CR, PR, stable disease (SD)\>= 12 weeks, progressive disease (PD) or NE.
groups
  1. description
    Vandetanib (300 mg daily)
    id
    OG000
    title
    Vandetanib 300 mg
  2. description
    Placebo daily
    id
    OG001
    title
    Placebo
param Type
NUMBER
reporting Status
POSTED
time Frame
RECIST assessments performed at screening (within 3 weeks before randomisation), then every 12 weeks. For patients with objective response of CR or PR, an additional confirmatory scan was performed ≥4 weeks following the date of first response.
title
Objective Response Rate (ORR)
type
SECONDARY
unit Of Measure
Participants

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

Preserved source evidence · Not medical advice