Actively Recruiting

Age: 0 - 21Years
All Genders
ID04702321

Genetic Risks for Childhood Cancer Complications in Switzerland

Led by University Hospital, Geneva · Updated on 2021-01-13

6000

Participants Needed

1

Research Sites

N/A

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are investigating genetic factors that may influence complications in children and adolescents who have had cancer in Switzerland. This study aims to find genetic variants linked to both short- and long-term complications, including organ dysfunctions and secondary cancers, by combining genetic data with clinical information collected across the country. The project seeks to enhance understanding of how genetics affect treatment outcomes and complications to help personalize care. Participants provide biological samples such as saliva, buccal swabs, or blood for genetic testing, along with clinical data obtained through medical chart reviews. The study uses germline DNA samples stored in a biobank and links this information with detailed clinical records. This observational study collects data at enrollment and continues gathering follow-up information for approximately 10 years. During the study, researchers review medical records and cancer registry information to assess complications, including organ dysfunction and second primary tumors. Genetic sequencing is performed at enrollment to identify potential risk markers. The study monitors demographic and clinical factors that may influence outcomes, with ongoing data collection until the last follow-up or death. The total participation time can extend over many years, supporting long-term insights into childhood cancer complications.

CONDITIONS

Brief Title

Genetic Risks for Childhood Cancer Complications in Switzerland

Who Can Participate

Age: 0 - 21Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Registered in the Swiss Childhood Cancer Registry since 1976
  • Consented to the BaHOP biobank project
  • Diagnosed with cancer or Langerhans cell histiocytosis before age 21 according to the International Classification of Childhood Cancer version 3
Not Eligible

You will not qualify if you...

  • No written consent signed by participant or legal representative to participate in BaHOP
  • Died after study participation and declined use of samples and data after death in the original consent

AI-Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Diagnostic Evaluation

Duration - At enrollment

Participants provide biospecimens such as saliva, buccal swabs, or blood for genetic analysis and clinical data are collected from medical charts.

1 visit (in-person)

Long-term Monitoring

Duration - Up to approximately 10 years

Participants are followed with ongoing collection of clinical data and monitoring of complications after childhood cancer over time.

Visits as per medical record updates and registry data collection

Trial Site Locations

Total: 1 location

1

University Hospital of Geneva

Geneva, Switzerland, 1211

Actively Recruiting

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Research Team

M

Marc Ansari, Prof

N

Nicolas Waespe, MD

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

1

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Published Research Related To This Trial

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.

Nicolas Waespe, Sven Strebel, Tiago Nava...

https://pubmed.ncbi.nlm.nih.gov/35074812