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NCT02254278 · OUTCOME

Percentage of Participants Positive for Human Papillomavirus (HPV) Deoxyribonucleic Acid (DNA) After Treatment (Detection Rate)

Reduced-Dose Intensity-Modulated Radiation Therapy With or Without Cisplatin in Treating Patients With Advanced Oropharyngeal Cancer · Source last updated 2026-05-22

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
95% Confidence Interval
Time frame
Between 2 weeks to 1 month after treatment completion (approximately 6 weeks).

What was measured

Positive HPV DNA status is defined as 5 or more HPV DNA fragments per mL of blood plasma, assessed by tumor-tissue modified viral (TTMV) testing.

Analysis population: Eligible participants with post-treatment HPV DNA value

Groups in this outcome

IMRT 6 Weeks + Cisplatin (Arm 1)

Cisplatin: 40 mg/m2 IV (intravenously) weekly for 6 weeks IMRT 6 weeks: Intensity-modulated radiation therapy (IMRT), 30 fractions over 6 weeks, 5 fractions per week, 2 Gray per fraction to total dose of 60 Gy

IMRT 5 Weeks (Arm 2)

IMRT 5 weeks: Intensity-modulated radiation therapy (IMRT), 30 fractions over 5 weeks, 6 fractions per week, 2 Gray per fraction to total dose of 60 Gy

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

Analysis denominator · Participants

GroupSource count
IMRT 6 Weeks + Cisplatin (Arm 1)60
IMRT 5 Weeks (Arm 2)69

Reported measurements

Source class 1
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
IMRT 6 Weeks + Cisplatin (Arm 1)3.3Not reported0.411.5Not reported
IMRT 5 Weeks (Arm 2)8.7Not reported3.318.0Not reported

Source statistical analyses

Group order, estimate direction, methods and comments are retained. No treatment ranking is inferred.

  1. group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    SUPERIORITY
    p Value
    0.28
    statistical Comment
    Two-sided significance level = 0.05
    statistical Method
    Fisher Exact
Complete source fields
analyses
  1. group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    SUPERIORITY
    p Value
    0.28
    statistical Comment
    Two-sided significance level = 0.05
    statistical Method
    Fisher Exact
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0.4
        upper Limit
        11.5
        value
        3.3
      2. group Id
        OG001
        lower Limit
        3.3
        upper Limit
        18.0
        value
        8.7
denoms
  1. counts
    1. group Id
      OG000
      value
      60
    2. group Id
      OG001
      value
      69
    units
    Participants
description
Positive HPV DNA status is defined as 5 or more HPV DNA fragments per mL of blood plasma, assessed by tumor-tissue modified viral (TTMV) testing.
dispersion Type
95% Confidence Interval
groups
  1. description
    Cisplatin: 40 mg/m2 IV (intravenously) weekly for 6 weeks IMRT 6 weeks: Intensity-modulated radiation therapy (IMRT), 30 fractions over 6 weeks, 5 fractions per week, 2 Gray per fraction to total dose of 60 Gy
    id
    OG000
    title
    IMRT 6 Weeks + Cisplatin (Arm 1)
  2. description
    IMRT 5 weeks: Intensity-modulated radiation therapy (IMRT), 30 fractions over 5 weeks, 6 fractions per week, 2 Gray per fraction to total dose of 60 Gy
    id
    OG001
    title
    IMRT 5 Weeks (Arm 2)
param Type
NUMBER
population Description
Eligible participants with post-treatment HPV DNA value
reporting Status
POSTED
time Frame
Between 2 weeks to 1 month after treatment completion (approximately 6 weeks).
title
Percentage of Participants Positive for Human Papillomavirus (HPV) Deoxyribonucleic Acid (DNA) After Treatment (Detection Rate)
type
SECONDARY
unit Of Measure
percentage of participants

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

Preserved source evidence · Not medical advice