Head and Neck CancerNCT00291434
Altered and Conventional Fractionated Radiotherapy in Patients With Head and Neck Cancer
An observational study of Head and Neck Cancer, run by Institute of Radiotherapy and Oncology, Macedonia.
Trial summary
The aim of our study was to evaluate the value of two different altered fractionation schedules - hyperfractionation and accelerated fractionation with concomitant boost - in comparison with conventional fractionation in primary definitive radiotherapy for squamous cell carcinomas of the larynx, oropharynx or… Read more about this study
- Who is it for?
- Ages 18 to 75 years
- Conditions the study is for
- Head and Neck Cancer
- How many people
- 152 participants
- Where
- No sites listed yet
- Study dates
- Mar 1999to Jun 2005
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 75 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Inclusion Criteria:The inclusion criteria were age 18-75 years, Karnofsky performance score equal or more then 60%, and all stages of disease except stage IVC (TNM classification according to International Union Against Cancer and American Joint Committee of Cancer (UICC and AJCC) from 1997). -
Exclusion Criteria:Patients with previous or concurrent malignancy other then basal cell carcinoma were excluded.
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About this study
Official title: Hyperfractionation and Accelerated Fractionation in Comparison With Conventional Fractionation in Definitive Radiotherapy of Squamous Cell Carcinoma of Larynx, Oropharynx and Hypopharynx
The aim of our study was to evaluate the value of two different altered fractionation schedules - hyperfractionation and accelerated fractionation with concomitant boost - in comparison with conventional fractionation in primary definitive radiotherapy for squamous cell carcinomas of the larynx, oropharynx or hypopharynx. The study began and was conducted while the only teletherapy unit in our department was the cobalt-60 machine. During that period we were expecting the installation of new sophisticated equipment. We assumed that the results of this study would be also able to show whether or not it would be rational to use the altered fractionation regimens on the new machines.
Read the detailed description
Eligible patients admitted from March 1999 to December 2000 were treated with conventionally fractionated radiotherapy. These patients represented the retrospective part of the study. Patients admitted between January 2001 and June 2004 were included in the prospective part of the study. Following the confirmation of their eligibility, altered fractionation schedule assignment was made after stratifying by site of origin (larynx vs oropharynx vs hypopharynx), Karnofsky performance score (60%-70% vs 80%-100%), and stage of disease (I and II vs III and IV). Patients were randomized to receive radiotherapy delivered using either hyperfractionation or accelerated fractionation with concomitant boost as a late accelerating component. Exceptions occurred when patients either refused treatment with two daily fractions or were not offered twice-a-day irradiation because of lack of machine time.
Radiotherapy Scheduling and Technique The conventionally fractionated radiotherapy schedule was 66-70 Gy in 6½ -7 weeks (one fraction of 2 Gy per day, 5 fractions per week), whereas the hyperfractionation treatment schedule was 74.4-79.2 Gy in 6.2-7 weeks (two fractions of 1.2 Gy per day, 10 fractions per week with interfraction interval of at least 6 hours; Figure 1). The treatment schedule in accelerated fractionation using concomitant boost consisted of daily fraction of 1.8 Gy, 5 days a week, up to 32.4 Gy including all sites of disease and electively irradiated areas of the neck, followed by two daily fractions for the last 11-12 days. The first daily fraction encompassed all sites of the disease and electively irradiated neck nodes using a dose of 1.8 Gy, and the second daily fraction was the concomitant boost delivered through reduced fields to encompass the gross disease only, using a fraction of 1.5 Gy up to total doses of 68.7-72 Gy in 6 weeks (Figure 1). The interval between the two daily fractions was at least 6 hours.
- Conditions
- Head and Neck Cancer
- Keywords
- Head and neck cancer, Fractionation, Radiotherapy, Conventional fractionation, Hyperfractionation, Accelerated fractionation
- Medical subject headings
- Head and Neck Neoplasms
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted14 Feb 2006 (estimated)
- Study startMar 1999
- Study completionJun 2005
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Head and Neck CancerStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Defined population
- Time perspective
- Other
- Enrolment
- 152 participants
Sponsor and investigators
- Lead sponsor
- Institute of Radiotherapy and Oncology, Macedonia
- Sponsor type
- University, hospital or other
- Investigators
- Valentina B Krstevska, Principal investigator, 2
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00291434
- Sponsor's protocol ID
- CF vs HF and AF
- Status last verified
- Jan 2005
- First submitted
- 13 Feb 2006
- Last updated
- 4 May 2006
- Results posted
- No
Publications
Krstevska V, Crvenkova S. Altered and conventional fractionated radiotherapy in locoregional control and survival of patients with squamous cell carcinoma of the larynx, oropharynx, and hypopharynx. Croat Med J. 2006 Feb;47(1):42-52.
PubMed 16489696
Study at a glance
From the registry record, last updated by the sponsor on 4 May 2006. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Hyperfractionation and Accelerated Fractionation in Comparison With Conventional Fractionation in Definitive Radiotherapy of Squamous Cell Carcinoma of Larynx, Oropharynx and Hypopharynx
- ClinicalTrials.gov ID
- NCT00291434
- Acronym / sponsor ID
- CF vs HF and AF
- Conditions
- Head and Neck Cancer
- Keywords
- Head and neck cancer, Fractionation, Radiotherapy, Conventional fractionation, Hyperfractionation, Accelerated fractionation
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 152 participants
- Lead sponsor
- Institute of Radiotherapy and Oncology, MacedoniaUniversity, hospital or other
- Study start
- Mar 1999
- Study completion
- Jun 2005
- First posted
- 14 Feb 2006 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The aim of our study was to evaluate the value of two different altered fractionation schedules - hyperfractionation and accelerated fractionation with concomitant boost - in comparison with conventional fractionation in primary definitive radiotherapy for squamous cell carcinomas of the larynx, oropharynx or hypopharynx. The study began and was conducted while the only teletherapy unit in our department was the cobalt-60 machine. During that period we were expecting the installation of new sophisticated equipment. We assumed that the results of this study would be also able to show whether or not it would be rational to use the altered fractionation regimens on the new machines.
Detailed description
Eligible patients admitted from March 1999 to December 2000 were treated with conventionally fractionated radiotherapy. These patients represented the retrospective part of the study. Patients admitted between January 2001 and June 2004 were included in the prospective part of the study. Following the confirmation of their eligibility, altered fractionation schedule assignment was made after stratifying by site of origin (larynx vs oropharynx vs hypopharynx), Karnofsky performance score (60%-70% vs 80%-100%), and stage of disease (I and II vs III and IV). Patients were randomized to receive radiotherapy delivered using either hyperfractionation or accelerated fractionation with concomitant boost as a late accelerating component. Exceptions occurred when patients either refused treatment with two daily fractions or were not offered twice-a-day irradiation because of lack of machine time.
Radiotherapy Scheduling and Technique The conventionally fractionated radiotherapy schedule was 66-70 Gy in 6½ -7 weeks (one fraction of 2 Gy per day, 5 fractions per week), whereas the hyperfractionation treatment schedule was 74.4-79.2 Gy in 6.2-7 weeks (two fractions of 1.2 Gy per day, 10 fractions per week with interfraction interval of at least 6 hours; Figure 1). The treatment schedule in accelerated fractionation using concomitant boost consisted of daily fraction of 1.8 Gy, 5 days a week, up to 32.4 Gy including all sites of disease and electively irradiated areas of the neck, followed by two daily fractions for the last 11-12 days. The first daily fraction encompassed all sites of the disease and electively irradiated neck nodes using a dose of 1.8 Gy, and the second daily fraction was the concomitant boost delivered through reduced fields to encompass the gross disease only, using a fraction of 1.5 Gy up to total doses of 68.7-72 Gy in 6 weeks (Figure 1). The interval between the two daily fractions was at least 6 hours.
Study design
- Observational model
- Defined population
- Time perspective
- Other
Who may qualify
- Ages
- 18 to 75 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Not reported in the source record.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 4 May 2006.
- Results publication: PubMed 16489696Krstevska V, Crvenkova S. Altered and conventional fractionated radiotherapy in locoregional control and survival of patients with squamous cell carcinoma of the larynx, oropharynx, and hypopharynx. Croat Med J. 2006 Feb;47(1):42-52.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Valentina B Krstevska principal investigator
2
Questions about this trial
What is this clinical trial studying?
An observational study of Head and Neck Cancer, run by Institute of Radiotherapy and Oncology, Macedonia.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 4 May 2006. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00291434, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 May 2006.