Randomized Trial of ARCON in Larynx Cancer

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00147732
Recruitment Status : Completed
First Posted : September 7, 2005
Last Update Posted : May 7, 2015
Dutch Cancer Society
Information provided by (Responsible Party):
Radboud University

September 6, 2005
September 7, 2005
May 7, 2015
April 2001
February 2008   (Final data collection date for primary outcome measure)
Local control [ Time Frame: 2 years ]
Local control
Complete list of historical versions of study NCT00147732 on Archive Site
  • larynx preservation [ Time Frame: 2 years ]
  • regional control rate [ Time Frame: 2 years ]
  • toxicity [ Time Frame: 5 years ]
  • quality of life [ Time Frame: 2 years ]
  • disease-free survival [ Time Frame: 5 years ]
  • improve the overall survival [ Time Frame: 5 years ]
  • larynx preservation
  • regional control rate
  • toxicity
  • quality of life
  • disease-free survival
  • improve the overall survival
Not Provided
Not Provided
Randomized Trial of ARCON in Larynx Cancer
A Multicentre, Randomised, Phase III Clinical Trial Comparing Accelerated Radiotherapy With Accelerated Radiotherapy Plus Carbogen and Nicotinamide (ARCON) in Clinical Stage T2-4 Laryngeal Carcinoma.


A multicentre, randomised, phase III clinical trial comparing accelerated radiotherapy with accelerated radiotherapy plus carbogen and nicotinamide (ARCON) in clinical stage T2-4 laryngeal carcinoma.


Does the addition of carbogen and nicotinamide to a schedule of accelerated radiotherapy in patients with clinical stage T2-4 laryngeal carcinoma improve local primary tumour control? Definitive analysis will be performed on local control rates at two years after completion of radiotherapy.


Does the addition of carbogen and nicotinamide

  • increase the larynx preservation rate?
  • increase the regional control rate?
  • increase the toxicity of accelerated radiotherapy?
  • improve the overall quality of life?
  • improve the disease-free survival?
  • improve the overall survival?


An open-label, randomised clinical trial assigning patients in a 1:1 ratio to one of the following treatment arms:

  • accelerated radiotherapy
  • accelerated radiotherapy plus carbogen and nicotinamide


344 patients with clinical T2-4 laryngeal carcinoma


  • time to local failure
  • time to regional failure
  • survival with functional larynx
  • overall and disease-free survival
  • frequency and severity of complications related to radiotherapy and carbogen and nicotinamide
  • quality of life assessment
Not Provided
Phase 3
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Larynx Carcinoma
  • Radiation: Accelerated radiotherapy
    68 Gy over 5.5 weeks
  • Radiation: ARCON
    68 Gy over 5.5 weeks Carbogen: 98% oxygen plus 2% carbon dioxide Nicotinamide 60 mg/kg daily
  • Active Comparator: 1
    Accelerated radiotherapy
    Intervention: Radiation: Accelerated radiotherapy
  • Experimental: 2
    Intervention: Radiation: ARCON

*   Includes publications given by the data provider as well as publications identified by Identifier (NCT Number) in Medline.
April 2013
February 2008   (Final data collection date for primary outcome measure)

Inclusion Criteria:

  • Pathological confirmed squamous cell carcinoma of the larynx.
  • TNM-classification (UICC 1997, appendix I):
  • T3-4 glottic or supraglottic carcinoma
  • T2 glottic carcinoma with impaired cord mobility or subglottic extension
  • T2 supraglottic carcinoma with invasion of mucosa of base of tongue or vallecula or invasion of the medial wall of the piriform sinus.
  • any N-stage, M0.
  • WHO performance status 0 or 1 (appendix II).
  • Age > 18 years.
  • Written informed consent.
  • Quality of life questionnaire completed.

Exclusion Criteria:

  • Prior or concurrent treatment for this tumour.
  • Severe stridor and adequate debulking of airway not possible.
  • Impaired renal function: serum creatinine above upper normal limit.
  • Use of nefrotoxic medication (including ACE-inhibitors) that cannot be discontinued for the duration of the radiation treatment.
  • Impaired hepatic function: ASAT and ALAT more than 1.5 times the upper normal limit.
  • Use of anti-convulsants that cannot be discontinued for the duration of the radiation treatment.
  • History of malignancy during the previous 5 years except basal cell carcinoma of skin, carcinoma in situ of the cervix, or superficial bladder neoplasm (pTa).
Sexes Eligible for Study: All
19 Years and older   (Adult, Older Adult)
Contact information is only displayed when the study is recruiting subjects
Netherlands,   United Kingdom
CKTO 2000-09
Not Provided
Not Provided
Not Provided
Radboud University
Radboud University
Dutch Cancer Society
Principal Investigator: Johannes HA Kaanders, MD, PhD Radboud University
Radboud University
May 2015

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP