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Gardner SyndromeNCT01286662

A Cohort Study of Patients Treated With Brachytherapy for Selected Desmoid Patients in Gardner Syndrome

An observational study of Gardner Syndrome and Colorectal Carcinoma, run by Triemli Hospital.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to assess the long-term outcome in a cohort of Gardner-Syndrome patients receiving prophylaxis and treatment for intestinal and non-intestinal tumors. Read more about this study

Who is it for?
Any age
How many people
105 participants
Where
No sites listed yet
Study dates
Jan 1978to Dec 2010
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 Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Study population: Since 1978, we have been following a family of 105 descendants with Gardner syndrom. APC (adenomatous polyposis coli) mutation carriers were screened by endoscopy, and colorectal resection was performed upon pending malignancy. Desmoid tumors were treated by excision or radiotherapy and brachytherapy.

Who may be able to join

  • family with an identical adenomatous polyposis coli (APC-) germ line mutation

Who cannot join

  • negative testing for adenomatous polyposis coli (APC-) germ line mutation

About this study

Official title: In Modern Era, Recurrent Desmoids Determine Outcome in Patients With Gardner Syndrome: A Cohort Study of Three Generations of an Adenomatous Polyposis Coli (APC-) Mutation-Positive Family Across 30 Years

The purpose of this study is to assess the long-term outcome in a cohort of Gardner-Syndrome patients receiving prophylaxis and treatment for intestinal and non-intestinal tumors.

Read the detailed description

Since 1978, we have been following a family of 105 descendants with Gardner Syndrome (GS). Mutation carriers were screened by endoscopy, and colorectal resection was performed upon pending malignancy. Resectable desmoid tumors were excised, whereas large tumors of the abdominal wall were treated by a combination of brachytherapy (BT) and radiotherapy (RT). Outcome was analyzed with respect to length of tumor-free survival, and morbidity from surgery or radiotherapy. Results: 37 of 105 family members have GS. Preventive colorectal resections were performed in 16 patients (15%), with one death due to subsequent gastric cancer. In 4 patients who denied screening endoscopy, invasive tumors of the colon (3 patients) and stomach (one patient each) developed. Of 33 desmoid tumors, 10 (30%) were located in the mesentery, 17 (52%) in the abdominal wall, and 6 (18%) in extra-abdominal sites. Excision of 12 desmoids was performed in 8 patients (36%), and 4 were treated by a combination of BT and RT. Following BT/RT, all patients showed full or partial remission.

Keywords
gardner syndrome, colorectal carcinoma, desmoid tumor, resection, colon
Medical subject headings
Gardner Syndrome, Colorectal Neoplasms, Desmoid Tumors

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. mortality

    Measured: 1978-2010 (as long as patients live)

Secondary outcomes (2)
  1. incidence of colorectal carcinoma

    Measured: 1978-2010 (entire patient life)

  2. Incidence of desmoid tumors

    Measured: 1978-2010 (entire patient life)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted31 Jan 2011 (estimated)
  2. Study startJan 1978
  3. Primary completionDec 2010
  4. Study completionDec 2010

Resources

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
Cohort
Time perspective
Retrospective
Enrolment
105 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01286662
Sponsor's protocol ID
TriemliH
Status last verified
Jan 2011
First submitted
25 Jan 2011
Last updated
31 Jan 2011
Results posted
No
Data monitoring committee
No

Publications

  • Turina M, Pavlik CM, Heinimann K, Behrensmeier F, Simmen HP. Recurrent desmoids determine outcome in patients with Gardner syndrome: a cohort study of three generations of an APC mutation-positive family across 30 years. Int J Colorectal Dis. 2013 Jun;28(6):865-72. doi: 10.1007/s00384-012-1600-x. Epub 2012 Nov 1.

    PubMed 23114473

Questions about this trial

What is this clinical trial studying?

An observational study of Gardner Syndrome and Colorectal Carcinoma, run by Triemli Hospital.

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 1 inclusion and 1 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 31 Jan 2011. 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.

What does the primary outcome measure?

mortality (time frame: 1978-2010 (as long as patients live)). 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 NCT01286662, 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 31 Jan 2011.

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