Epigenetic and Genetic Effects in Cancer Patients: Analysis Pre and After Treatment

December 13, 2019 updated by: IVI Barcelona

The prognosis in cancer patients has improved over the years. Survivor rates have increased significantly, and paternity has become an important concern in more than 50% of young male survivors. Sperm cryopreservation before cancer treatment is highly recommendable in these patients, as a strategy to preserve their fertility due to is not possible to predict how the chemo or radiotherapy treatment will affect the spermatogenesis.

The objective of this study is to evaluate if sperm after an antineoplastic treatment can be safely used. To determine the possible effects of oncological treatments in the spermatogenesis, three parameters will be analyzed, aneuploidy frequencies, DNA fragmentation in single and double-strand breaks and methylation levels to determine epigenetic changes before and after the therapy.

If cancer treatment affect sperm genetic integrity, it would have a clinical impact in the offspring of these patients. Identify the different side effects of antineoplastic treatments in DNA sperm will provide a clinical improvement in order to select the best sperm sample in an IVF treatment and it will facilitate genetic counseling

Study Overview

Status

Unknown

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Anticipated)

30

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact Backup

Study Locations

  • Spain
      • Barcelona, Spain, 08017
        • Recruiting
        • IVI Barcelona
        • Contact:
        • Principal Investigator:
          • Agustín B Boluda
        • Sub-Investigator:
          • Evelin L Molina
        • Sub-Investigator:
          • Ana Belén C Balazote
        • Sub-Investigator:
          • Verónica G Martínez

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

N/A

Genders Eligible for Study

Male

Sampling Method

Probability Sample

Study Population

Sperm samples before treatment will be used as a control

Description

Inclusion Criteria:

Patients with previous history of cancer Patients with several sperm samples cryopreserved to be able to thaw a part without damaging their future options, in case they need them.

Patients treated with chemotherapy and/or radiotherapy Patients have finished their oncological treatment. Patints recovered spermatogenesis after the oncological treatment to be able to obtain a sperm sample.

Exclusion Criteria:

Patients with only one sperm sample cryopreserved Patients that are not be able to obtain a fresh sample post treatment Patients with less than 3 million sperm per milliliter

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Epigenetic profile of the patient
Time Frame: 3 months
The epigenetic analysis will be performed in the laboratories of the company "Sequentia Biotech". The treatment of denatured DNA with sodium bisulfite will be carried out, causing the demining of the cytosine not methylated, preserving the integrity of the Metilcitosines. After DNA sequencing, treated with bisulfite, the methylation state can be inferred directly from the readings aligned against a reference genome: an unmodified cytosine will indicate the existence of methylation in that position, while A thymine (result of PCR amplification after demining) will mean the existence of a non-methylated cytosine. The methylation values will be calculated with the MethylDackel software and the statistical analysis with R package bsseq.
3 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

IVI Barcelona

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

November 29, 2019

Primary Completion (Anticipated)

April 1, 2020

Study Completion (Anticipated)

April 1, 2021

Study Registration Dates

First Submitted

December 4, 2019

First Submitted That Met QC Criteria

December 13, 2019

First Posted (Actual)

December 16, 2019

Study Record Updates

Last Update Posted (Actual)

December 16, 2019

Last Update Submitted That Met QC Criteria

December 13, 2019

Last Verified

July 1, 2019

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 1901-BCN-011-MQ

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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