Adenocarcinoma of RectumPhase 3NCT00145769
A Randomised Trial of Preoperative Radiotherapy for Stage T3 Adenocarcinoma of Rectum
A Phase 3 study testing Short Course Adjuvent Chemotherapy, Long Course Adjuvant Chemotherapy and Short Course Radiotherapy in people with Adenocarcinoma of Rectum, run by Trans Tasman Radiation Oncology Group at 34 sites in 2 countries.
Trial summary
This is a multi-centre randomised trial comparing long course (LC) preoperative chemoradiation with short course (SC) preoperative radiotherapy for patients with localised T3 rectal cancer. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Adenocarcinoma of Rectum
- What is being tested?
- Short Course Adjuvent Chemotherapy, Long Course Adjuvant Chemotherapy and Short Course Radiotherapy
- Type of treatment
- Injection or infusion, Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 326 participants
- Where
- 34 sitesin 2 countries
- Study dates
- Jul 2001to May 2011
- Phase
- Phase 3
- 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 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- All of the following must apply:
- Pathologically documented and clinically resectable adenocarcinoma of the rectum.
- The patient must be considered by the surgeon to be suitable for a curative resection.
- The patient must be considered by the radiation oncologist to have no contraindication to pre-operative radiotherapy.
- Clinical T3 stage tumour on endorectal ultrasound or MRI. When endorectal ultrasound cannot be performed satisfactorily due to a technical reason, such as stenosis or proximity of the tumour, and MRI is not available, infiltration of perirectal fat on CT scan is also acceptable.
- Tumour with lower border within 12 cm from anal verge on rigid sigmoidoscopy.
Show all 12Show fewer
- ECOG performance status 0, 1 or 2.
- Adequate bone marrow function with neutrophil count at least 1.5 x 109/L and platelet count at least 100 x 109/L.
- Adequate liver function with bilirubin and alanine aminotransferase (ALT) <= 1.5 times the upper limit of normal.
- Adequate renal function with serum creatinine <= 1.5 times the upper limit of normal.
- Accessibility for treatment and follow-up.
- Written informed consent.
Who cannot join
- None of the following must apply:
- Evidence of distant metastases.
- Recurrent rectal cancer.
- Unstable cardiac disease or clinically significant active infection.
- Other cancer in the last 5 years except treated non-melanoma skin cancer or carcinoma in situ of the cervix.
- Pregnant or lactating females or female patients of childbearing potential who have not been surgically sterilized or are without adequate contraceptive measures.
- Contraindication to insertion of a suitable indwelling venous catheter e.g. implantable central venous device (infuse-a-port), Hickman catheter or peripherally inserted central catheter.
- Prior pelvic or abdominal radiotherapy.
Trial locations and contacts
34 sites in 2 countries.
34 sites in 2 countries
Australia31 sites
Royal Adelaide Hospital
Adelaide, South Australia, 5000
Peter MacCallum Cancer Centre
Bendigo, Victoria
Box Hill Hospital
Box Hill, Victoria
Mater Private Hospital
Brisbane, Queensland
Macarthur Cancer Therapy Centre
Campbelltown, New South Wales, 2560
Royal Prince Alfred Hospital
Camperdown, New South Wales, 2050
Monash Medical Centre
East Bentleigh, Victoria, 3165
Peter MacCallum Cancer Centre
East Melbourne, Victoria, 3002
St Vincents Melbourne
Fitzroy, Victoria
Western Hospital
Footscray, Victoria
Frankston Hospital
Frankston, Victoria
The Canberra Hospital
Garran, Australian Capital Territory, 2605
Andrew Love Cancer Centre, Geelong Hospital
Geelong, Victoria, 3220
Royal Brisbane Hospital
Herston, Queensland, 4029
Launceston General Hospital
Launceston, Tasmania, 7250
Liverpool Hospital
Liverpool, New South Wales, 1871
Peter MacCallum Cancer Centre
Melbourne, Victoria, 3002
Sir Charles Gairdner Hospital
Nedlands, Western Australia, 6009
Newcastle Mater Misericordiae Hospital
Newcastle, New South Wales, 2310
Nepean Cancer Care Centre
Penrith, New South Wales, 2751
Royal Perth Hospital
Perth, Western Australia, 6000
Alfred Hospital
Prahran, Victoria, 3181
Prince of Wales Hospital
Randwick, New South Wales, 2031
Mater QRI
South Brisbane, Queensland, 4101
Royal North Shore Hospital
Sydney, New South Wales, 2069
North Queensland Oncology Service
Townsville, Queensland, 4810
East Coast Cancer Centre
Tugun, Queensland, 4224
Riverina Cancer Care Centre
Wagga Wagga, New South Wales, 2650
Westmead Hospital
Wentworthville, New South Wales, 2145
Murray Valley Private Hospital
Wodonga, Victoria, 3690
Princess Alexandra Hospital
Woolloongabba, Queensland, 4102
New Zealand3 sites
Auckland Hospital
Auckland, 1001
Waikato Hospital
Hamilton, 3200
Wellington Hospital
Wellington, 7902
About this study
This is a multi-centre randomised trial comparing long course (LC) preoperative chemoradiation with short course (SC) preoperative radiotherapy for patients with localised T3 rectal cancer.
Read the detailed description
Objective:
- The objective is, in patients with T3 clinically resectable carcinoma of the rectum, to demonstrate that the local recurrence rate in patients treated with a long course (LC) of pre-operative radiotherapy with continuous infusion 5-FU is lower than that in patients treated with a short course (SC) of pre-operative radiotherapy with early surgery
Eligibility Criteria:
- The main eligibility criteria are that the patient has clinically resectable adenocarcinoma of the rectum, a clinical stage T3 tumour whose lower border is within 12 cm of the anal verge, and no evidence of distant metastases.
Endpoints:
- Primary endpoint is local recurrence.
- Secondary endpoints are overall survival, toxicity, abdminoperineal resection rate, quality of life.
Treatment arms:
- SC arm: Radiotherapy (RT) 25 Gy in 5 fr in 1 week to be followed by surgery within 1 week and 6 cycles of postoperative chemotherapy 5FU/Folinic acid.
- LC arm: RT 50.4 Gy in 28 fr in 5½weeks with 5FU 225 mg/m2/day throughout the course of RT, to be followed by surgery 4-6 weeks after completion of RT. 4 cycles of adjuvant 5FU/Folinic acid will be given.
- Conditions
- Adenocarcinoma of Rectum
- Being tested
- Short Course Adjuvent Chemotherapy, Long Course Adjuvant Chemotherapy, Short Course Radiotherapy, Long Course Radiotherapy, Concurrent Chemotherapy
- Keywords
- rectal cancer, radiotherapy, chemotherapy, chemoradiation, adjuvant therapy
- Medical subject headings
- Rectal Neoplasms
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Short Course Adjuvent ChemotherapyDrug
Post operative adjuvant chemotherapy: 5FU (425mg/m2) preceded by Folinic acid (20mg/m2) delivered over 5 days for 6 monthly cycles
Long Course Adjuvant ChemotherapyDrug
Post operative adjuvant 5FU (425mg/m2) preceded by folinic acid (20mg/m2) delivered over 5 days for 4 monthly cycles
Short Course RadiotherapyRadiation
Also called Radiation, RT, Short Course
25 Gy in 5 fractions over 5 days.
Long Course RadiotherapyRadiation
Also called Radiation, RT, Long Course
50.4 Gy delivered in 1.8 Gy fractions over 5 1/2 weeks.
Concurrent ChemotherapyDrug
5FU 225mg/m2/day delivered IV over continous 7 day period for the duration of radiotherapy (5 1/2 weeks).
Initial SurgeryProcedure or surgery
Surgery is to be performed according to the NHMRC Guidelines for the prevention, early detection and management of colorectal cancer: Elective surgery for rectal cancer
| Study group | Role | What they receive |
|---|---|---|
| Short Course Radiotherapy | Active comparator | Short Course (SC) pre-operative radiotherapy, followed by surgery and adjuvant chemotherapy Receives: Drug: Short Course Adjuvent Chemotherapy; Radiation: Short Course Radiotherapy |
| Long Course Radiotherapy | Active comparator | Long Course (LC) radiotherapy delivered with concurrent chemotherapy, followed by surgery and adjuvant chemotherapy Receives: Drug: Long Course Adjuvant Chemotherapy; Radiation: Long Course Radiotherapy; Drug: Concurrent Chemotherapy |
| Surgery | Active comparator | Patients will receive initial surgery followed by post-operative management according to the NHMRC Guidelines for the prevention, early detection and management of colorectal cancer: Adjuvant therapy for rectal cancer. Receives: Procedure: Initial Surgery |
What is being measured
The primary outcome is the main question the study is designed to answer.
Local recurrence
Measured: Main analysis will occur at minimum 3 years follow up of all patients. (After 6 years since start of trial)
Secondary outcomes (4)
Survival
Measured: Main analysis will occur at minimum 3 years follow up of all patients. (After 6 years since start of trial)
Toxicity
Measured: Interim analyses will occur annually.
Abdominoperineal resection rate. This is defined as the proportion of all patients in any arm who undergo operation by abdominalperineal resection.
Measured: Main analysis will occur at minimum 3 years follow up of all patients. (After 6 years since start of trial)
Quality of life
Measured: Main analysis will occur at minimum 3 years follow up of all patients. (After 6 years since start of trial)
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted5 Sep 2005 (estimated)
- Study startJul 2001
- Primary completionJun 2009
- Study completionMay 2011
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (5)Papers the sponsor has linked to this study.
- Other trials for Adenocarcinoma of RectumStudies 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
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 326 participants (actual)
Sponsor and investigators
- Lead sponsor
- Trans Tasman Radiation Oncology Group
- Sponsor type
- University, hospital or other
- Collaborators
- Australasian Gastro-Intestinal Trials Group, Colorectal Surgical Society of Australasia (CSSA), Royal Australasian College of Surgeons (RACS)
- Responsible party
- Sponsor
- Investigators
- Sam Ngan, FRANZCR, Study chair, Peter MacCallum Cancer Centre, Australia
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00145769
- Sponsor's protocol ID
- TROG 01.04
- Other IDs
- NHMRC 209123
- Status last verified
- Aug 2013
- First submitted
- 2 Sep 2005
- Last updated
- 9 Aug 2013
- Results posted
- No
- Data monitoring committee
- Yes
Publications
Kapiteijn E, Marijnen CA, Nagtegaal ID, Putter H, Steup WH, Wiggers T, Rutten HJ, Pahlman L, Glimelius B, van Krieken JH, Leer JW, van de Velde CJ; Dutch Colorectal Cancer Group. Preoperative radiotherapy combined with total mesorectal excision for resectable rectal cancer. N Engl J Med. 2001 Aug 30;345(9):638-46. doi: 10.1056/NEJMoa010580.
PubMed 11547717Folkesson J, Birgisson H, Pahlman L, Cedermark B, Glimelius B, Gunnarsson U. Swedish Rectal Cancer Trial: long lasting benefits from radiotherapy on survival and local recurrence rate. J Clin Oncol. 2005 Aug 20;23(24):5644-50. doi: 10.1200/JCO.2005.08.144.
PubMed 16110023Ngan SY, Fisher R, Burmeister BH, Mackay J, Goldstein D, Kneebone A, Schache D, Joseph D, McKendrick J, Leong T, McClure B, Rischin D. Promising results of a cooperative group phase II trial of preoperative chemoradiation for locally advanced rectal cancer (TROG 9801). Dis Colon Rectum. 2005 Jul;48(7):1389-96. doi: 10.1007/s10350-005-0032-x.
PubMed 15906126Ansari N, Solomon MJ, Fisher RJ, Mackay J, Burmeister B, Ackland S, Heriot A, Joseph D, McLachlan SA, McClure B, Ngan SY. Acute Adverse Events and Postoperative Complications in a Randomized Trial of Preoperative Short-course Radiotherapy Versus Long-course Chemoradiotherapy for T3 Adenocarcinoma of the Rectum: Trans-Tasman Radiation Oncology Group Trial (TROG 01.04). Ann Surg. 2017 May;265(5):882-888. doi: 10.1097/SLA.0000000000001987.
PubMed 27631775Ngan SY, Burmeister B, Fisher RJ, Solomon M, Goldstein D, Joseph D, Ackland SP, Schache D, McClure B, McLachlan SA, McKendrick J, Leong T, Hartopeanu C, Zalcberg J, Mackay J. Randomized trial of short-course radiotherapy versus long-course chemoradiation comparing rates of local recurrence in patients with T3 rectal cancer: Trans-Tasman Radiation Oncology Group trial 01.04. J Clin Oncol. 2012 Nov 1;30(31):3827-33. doi: 10.1200/JCO.2012.42.9597. Epub 2012 Sep 24.
PubMed 23008301
Study at a glance
From the registry record, last updated by the sponsor on 9 Aug 2013. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Randomised Trial of Preoperative Radiotherapy for Stage T3 Adenocarcinoma of Rectum
- ClinicalTrials.gov ID
- NCT00145769
- Acronym / sponsor ID
- TROG 01.04
- Conditions
- Adenocarcinoma of Rectum
- Keywords
- rectal cancer, radiotherapy, chemotherapy, chemoradiation, adjuvant therapy
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 326 participants (actual)
- Lead sponsor
- Trans Tasman Radiation Oncology GroupUniversity, hospital or other
- Collaborators
- Australasian Gastro-Intestinal Trials Group, Colorectal Surgical Society of Australasia (CSSA), Royal Australasian College of Surgeons (RACS)
- Study start
- Jul 2001
- Primary completion
- Jun 2009 (actual)
- Study completion
- May 2011 (actual)
- First posted
- 5 Sep 2005 (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.
This is a multi-centre randomised trial comparing long course (LC) preoperative chemoradiation with short course (SC) preoperative radiotherapy for patients with localised T3 rectal cancer.
Detailed description
Objective:
- The objective is, in patients with T3 clinically resectable carcinoma of the rectum, to demonstrate that the local recurrence rate in patients treated with a long course (LC) of pre-operative radiotherapy with continuous infusion 5-FU is lower than that in patients treated with a short course (SC) of pre-operative radiotherapy with early surgery
Eligibility Criteria:
- The main eligibility criteria are that the patient has clinically resectable adenocarcinoma of the rectum, a clinical stage T3 tumour whose lower border is within 12 cm of the anal verge, and no evidence of distant metastases.
Endpoints:
- Primary endpoint is local recurrence.
- Secondary endpoints are overall survival, toxicity, abdminoperineal resection rate, quality of life.
Treatment arms:
- SC arm: Radiotherapy (RT) 25 Gy in 5 fr in 1 week to be followed by surgery within 1 week and 6 cycles of postoperative chemotherapy 5FU/Folinic acid.
- LC arm: RT 50.4 Gy in 28 fr in 5½weeks with 5FU 225 mg/m2/day throughout the course of RT, to be followed by surgery 4-6 weeks after completion of RT. 4 cycles of adjuvant 5FU/Folinic acid will be given.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| Short Course Radiotherapy | Active comparator | Drug: Short Course Adjuvent Chemotherapy, Radiation: Short Course RadiotherapyShort Course (SC) pre-operative radiotherapy, followed by surgery and adjuvant chemotherapy |
| Long Course Radiotherapy | Active comparator | Drug: Long Course Adjuvant Chemotherapy, Radiation: Long Course Radiotherapy, Drug: Concurrent ChemotherapyLong Course (LC) radiotherapy delivered with concurrent chemotherapy, followed by surgery and adjuvant chemotherapy |
| Surgery | Active comparator | Procedure: Initial SurgeryPatients will receive initial surgery followed by post-operative management according to the NHMRC Guidelines for the prevention, early detection and management of colorectal cancer: Adjuvant therapy for rectal cancer. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (12 listed)
- Pathologically documented and clinically resectable adenocarcinoma of the rectum.
- The patient must be considered by the surgeon to be suitable for a curative resection.
- The patient must be considered by the radiation oncologist to have no contraindication to pre-operative radiotherapy.
- Clinical T3 stage tumour on endorectal ultrasound or MRI. When endorectal ultrasound cannot be performed satisfactorily due to a technical reason, such as stenosis or proximity of the tumour, and MRI is not available, infiltration of perirectal fat on CT scan is also acceptable.
- Tumour with lower border within 12 cm from anal verge on rigid sigmoidoscopy.
Key exclusion criteria (8 listed)
- None of the following must apply:
- Evidence of distant metastases.
- Recurrent rectal cancer.
- Unstable cardiac disease or clinically significant active infection.
- Other cancer in the last 5 years except treated non-melanoma skin cancer or carcinoma in situ of the cervix.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Short Course Adjuvent ChemotherapyPost operative adjuvant chemotherapy: 5FU (425mg/m2) preceded by Folinic acid (20mg/m2) delivered over 5 days for 6 monthly cycles | Drug | Short Course Radiotherapy |
| Long Course Adjuvant ChemotherapyPost operative adjuvant 5FU (425mg/m2) preceded by folinic acid (20mg/m2) delivered over 5 days for 4 monthly cycles | Drug | Long Course Radiotherapy |
| Short Course RadiotherapyAlso: Radiation, RT, Short Course25 Gy in 5 fractions over 5 days. | Radiation | Short Course Radiotherapy |
| Long Course RadiotherapyAlso: Radiation, RT, Long Course50.4 Gy delivered in 1.8 Gy fractions over 5 1/2 weeks. | Radiation | Long Course Radiotherapy |
| Concurrent Chemotherapy5FU 225mg/m2/day delivered IV over continous 7 day period for the duration of radiotherapy (5 1/2 weeks). | Drug | Long Course Radiotherapy |
| Initial SurgerySurgery is to be performed according to the NHMRC Guidelines for the prevention, early detection and management of colorectal cancer: Elective surgery for rectal cancer | Procedure or surgery | Surgery |
Primary outcome
Local recurrence
Time frame: Main analysis will occur at minimum 3 years follow up of all patients. (After 6 years since start of trial)
4 secondary outcomes
Survival
Time frame: Main analysis will occur at minimum 3 years follow up of all patients. (After 6 years since start of trial)
Toxicity
Time frame: Interim analyses will occur annually.
Abdominoperineal resection rate. This is defined as the proportion of all patients in any arm who undergo operation by abdominalperineal resection.
Time frame: Main analysis will occur at minimum 3 years follow up of all patients. (After 6 years since start of trial)
Quality of life
Time frame: Main analysis will occur at minimum 3 years follow up of all patients. (After 6 years since start of trial)
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 9 Aug 2013.
- Background: PubMed 11547717Kapiteijn E, Marijnen CA, Nagtegaal ID, Putter H, Steup WH, Wiggers T, Rutten HJ, Pahlman L, Glimelius B, van Krieken JH, Leer JW, van de Velde CJ; Dutch Colorectal Cancer Group. Preoperative radiotherapy combined with total mesorectal excision for resectable rectal cancer. N Engl J Med. 2001 Aug 30;345(9):638-46. doi: 10.1056/NEJMoa010580.
- Background: PubMed 16110023Folkesson J, Birgisson H, Pahlman L, Cedermark B, Glimelius B, Gunnarsson U. Swedish Rectal Cancer Trial: long lasting benefits from radiotherapy on survival and local recurrence rate. J Clin Oncol. 2005 Aug 20;23(24):5644-50. doi: 10.1200/JCO.2005.08.144.
- Background: PubMed 15906126Ngan SY, Fisher R, Burmeister BH, Mackay J, Goldstein D, Kneebone A, Schache D, Joseph D, McKendrick J, Leong T, McClure B, Rischin D. Promising results of a cooperative group phase II trial of preoperative chemoradiation for locally advanced rectal cancer (TROG 9801). Dis Colon Rectum. 2005 Jul;48(7):1389-96. doi: 10.1007/s10350-005-0032-x.
- Derived from this study: PubMed 27631775Ansari N, Solomon MJ, Fisher RJ, Mackay J, Burmeister B, Ackland S, Heriot A, Joseph D, McLachlan SA, McClure B, Ngan SY. Acute Adverse Events and Postoperative Complications in a Randomized Trial of Preoperative Short-course Radiotherapy Versus Long-course Chemoradiotherapy for T3 Adenocarcinoma of the Rectum: Trans-Tasman Radiation Oncology Group Trial (TROG 01.04). Ann Surg. 2017 May;265(5):882-888. doi: 10.1097/SLA.0000000000001987.
- Derived from this study: PubMed 23008301Ngan SY, Burmeister B, Fisher RJ, Solomon M, Goldstein D, Joseph D, Ackland SP, Schache D, McClure B, McLachlan SA, McKendrick J, Leong T, Hartopeanu C, Zalcberg J, Mackay J. Randomized trial of short-course radiotherapy versus long-course chemoradiation comparing rates of local recurrence in patients with T3 rectal cancer: Trans-Tasman Radiation Oncology Group trial 01.04. J Clin Oncol. 2012 Nov 1;30(31):3827-33. doi: 10.1200/JCO.2012.42.9597. Epub 2012 Sep 24.
- Click here for more information about this study on the TROG official websiteLink provided by the sponsor.
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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.
Sam Ngan, FRANZCR study chair
Peter MacCallum Cancer Centre, Australia
34 sites in 2 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing Short Course Adjuvent Chemotherapy, Long Course Adjuvant Chemotherapy and Short Course Radiotherapy in people with Adenocarcinoma of Rectum, run by Trans Tasman Radiation Oncology Group at 34 sites in 2 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 12 inclusion and 8 exclusion criteria. 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 9 Aug 2013. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 34 sites in Australia, New Zealand. Whether a site is taking part right now should be confirmed with that site. See every site.
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.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
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.
What does the primary outcome measure?
Local recurrence (time frame: Main analysis will occur at minimum 3 years follow up of all patients. (After 6 years since start of trial)). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00145769, which also lists 5 linked publications.
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 9 Aug 2013.