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Childhood CancerGECCOSNCT04702321

Genetic Risks for Childhood Cancer Complications in Switzerland

An observational study of Childhood Cancer and Genetic Predisposition, run by University Hospital, Geneva at 1 site in Switzerland.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

The objectives of the GECCOS project are to identify genetic variants associated with complications of childhood cancer using genotype-phenotype association studies. Germline genetic samples and data of the "Germline DNA Biobank for Childhood Cancer and Blood Disorders Switzerland" (BISKIDS) which is included in the… Read more about this study

Who is it for?
Ages Up to 21 years
What is being tested?
Procedure: Biospecimen Collection and Procedure: Medical Chart Review
How many people
6,000 participants
Where
1 siteSwitzerland
Study dates
1 Dec 2020to 31 Dec 2037
Phase
Observational
Are there results?
Not yet: the study is under way

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 Up to 21 years
  • All sexes
  • No healthy volunteers
  • Child, Adult

Study population: Brief description of the anticipated study population: Swiss childhood cancer patients and survivors are being invited to participate in the BaHOP biobank hosting the Germline DNA Biobank for Childhood Cancer and Blood Disorders Switzerland (BISKIDS). Recruitment for BISKIDS is done by the collaborators at the Institute of Social and Preventive Medicine (ISPM), University of Bern. As of December 2019, 9,306 persons were alive and eligible to participate in this project. Participants are invited in batches depending on inclusion criteria of specific sub-projects. Clinical data is collected at the ISPM for childhood cancer patients and survivors since 1976 which will be available for the GECCOS project for genotype-phenotype analysis.

Who may be able to join

  • Registered in the Swiss Childhood Cancer Registry (SCCR) since 1976; AND
  • consented to the BaHOP (host biobank for the BISKIDS Biobanking project); AND
  • diagnosed with cancer according to the International Classification of Childhood Cancer, version 3, ICCC-3, or Langerhans cell histiocytosis (LCH) before age 21 years.

Who cannot join

  • Lacking written consent signed by participant and/ or their legal representative to participate in the BaHOP (where applicable); OR
  • died after study participation and declined use of their samples and data after their death in the original consent for BaHOP (as indicated on the BaHOP consent).

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

Marc Ansari, Prof contact

+41 79 553 61 00

Marc.Ansari@hcuge.ch

Nicolas Waespe, MD contact

+41 77 435 37 95

biskids@cansearch.ch

Switzerland1 site, 1 recruiting
  • University Hospital of Geneva

    Geneva, 1211

    Marc Ansari, Prof, +41 79 553 61 00, Marc.Ansari@hcuge.ch

    Nicolas Waespe, MD, +41 77 435 37 95, biskids@cansearch.ch

    Recruiting

Other trials in Switzerland

About this study

The objectives of the GECCOS project are to identify genetic variants associated with complications of childhood cancer using genotype-phenotype association studies. Germline genetic samples and data of the "Germline DNA Biobank for Childhood Cancer and Blood Disorders Switzerland" (BISKIDS) which is included in the Geneva Biobank for Hematology and Oncology in Pediatrics (BaHOP) will be used with clinical data of Swiss childhood cancer patients collected at the Institute of Social and Preventive Medicine in Bern.

Read the detailed description

Background and rationale :

Around 300 children and adolescents are diagnosed with cancer each year in Switzerland. A wide range of acute and chronic complications have been linked to cancer and its treatments. Cancer treatments, though highly curative, have a high incidence of adverse events, not only acutely but also chronically. Depending on the type and dose of treatments, the complications vary. There are important inter-individual differences in the type and severity of complications associated with similar cancer treatments. Genetic variation was identified to affect some complications and is suspected to play an important role in many of these differences.

The GECCOS project on analysis of genetic risks for complications associated with childhood cancers fills the gap to analyze germline genetic data with clinical information on short- and long-term complications. This has not been done on a nationwide scale in Switzerland yet. The GECCOS project will improve knowledge on germline genetic risks for complications and further personalize care during acute treatment and follow-up of childhood cancer patients.

Objectives:

Primary objectives:

  1. Identify genetic variants associated with complications after childhood cancer leading to specific organ dysfunctions and second primary neoplasms.
  2. Evaluate the functional importance of genetic variants for complications after childhood cancer through in silico and in vitro studies.

Secondary objective:

Assess genetic variants and their impact on multiple outcomes as a result of specific treatment exposures.

Being tested
Procedure: Biospecimen Collection, Procedure: Medical Chart Review
Keywords
Childhood cancer, Late effects, Therapy complications, Second neoplasm, Registry, Biobank, Genetic variation, Genetic polymorphism, Pharmacogenetics, Genetic association studies
Medical subject headings
Neoplasms, Genetic Predisposition to Disease, Neoplasms, Second Primary

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Procedure: Biospecimen CollectionOther

    Also called Medical Chart Review

    Collection of saliva, buccal swabs, blood, or other sample adequate for germline DNA extraction

  • Procedure: Medical Chart ReviewOther

    Also called Registry data collection

    Collection of clinical data

Study groups in NCT04702321
Study groupRoleWhat they receive
Patient cohortPatients with clinical data and biospecimens
Receives: Other: Procedure: Biospecimen Collection; Other: Procedure: Medical Chart Review

What is being measured

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

  1. Genetic variants in participants as a possible marker of risk of complications after childhood cancer

    Genotyping of germline genetic variants (candidate gene, whole exome, or whole genome sequencing data)

    Measured: Genetic sequencing performed at enrollment into study

Secondary outcomes (2)
  1. Number of participants with complications of childhood cancers: specific organ dysfunctions assessed by objective measurements and second primary neoplasms, extracted from medical records and cancer registry information

    • Specific organ dysfunctions assessed by objective measurements, e.g. audiograms for hearing loss, and self-assessment with questionnaires and
    • Second primary neoplasms as defined by the International Agency for Research on Cancer (IARC) criteria

    Measured: Data collection at enrollment into study, and longitudinal data collection until last follow-up or death from any cause, approx. 10 years

  2. Demographic and clinical covariates corresponding to possible risk factors for specific complications after childhood cancer, extracted from medical records and cancer registry information

    Covariates include but are not restricted to the collection of the following data:

    • demographic information, e.g. sex, age and year at diagnosis, etc.
    • cancer-related information, e.g. cancer type, stage, metastases, etc.
    • treatment-related risk factors, e.g. platinum chemotherapy exposure (with cumulative dose, mg/m2) for hearing impairment, radiation dose (gray) and fields for radiation toxicity, etc.

    Measured: Data collection at enrollment into study, and longitudinal data collection until last follow-up or death from any cause, approx. 10 years

Timeline

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

  1. First posted8 Jan 2021
  2. Study start1 Dec 2020
  3. Primary completion31 Dec 2037 (estimated)
  4. Study completion31 Dec 2037 (estimated)

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
Other
Enrolment
6,000 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04702321
Sponsor's protocol ID
GECCOS
Acronym
GECCOS
Status last verified
Jan 2021
First submitted
21 Dec 2020
Last updated
13 Jan 2021
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: Upon specific request to study PI (Marc.Ansari@hcuge.ch or: biskids@cansearch.ch)

Publications

  • Waespe N, Strebel S, Nava T, Uppugunduri CRS, Marino D, Mattiello V, Otth M, Gumy-Pause F, Von Bueren AO, Baleydier F, Mader L, Spoerri A, Kuehni CE, Ansari M. Cohort-based association study of germline genetic variants with acute and chronic health complications of childhood cancer and its treatment: Genetic Risks for Childhood Cancer Complications Switzerland (GECCOS) study protocol. BMJ Open. 2022 Jan 24;12(1):e052131. doi: 10.1136/bmjopen-2021-052131.

    PubMed 35074812
  • Waespe N, Strebel S, Marino D, Mattiello V, Muet F, Nava T, Schindera C, Belle FN, Mader L, Spoerri A, Kuehni CE, Ansari M. Predictors for participation in DNA self-sampling of childhood cancer survivors in Switzerland. BMC Med Res Methodol. 2021 Oct 30;21(1):236. doi: 10.1186/s12874-021-01428-1.

    PubMed 34717553

Questions about this trial

What is this clinical trial studying?

An observational study of Childhood Cancer and Genetic Predisposition, run by University Hospital, Geneva at 1 site in Switzerland.

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 3 inclusion and 2 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: looking for participants now, as of the sponsor's last update on 13 Jan 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Switzerland. 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.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Marc Ansari, Prof (+41 79 553 61 00, Marc.Ansari@hcuge.ch), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Genetic variants in participants as a possible marker of risk of complications after childhood cancer (time frame: Genetic sequencing performed at enrollment into study). 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 NCT04702321, which also lists 2 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 13 Jan 2021.

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