NCT05566613

Brief Summary

Non-randomized clinical cohort study investigating if single nucleotide polymorphism (SNP) or inflammatory markers can predict radiosensitivity in breast cancer patients receiving radiotherapy.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
550

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started May 2022

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 9, 2022

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

June 12, 2022

Completed
4 months until next milestone

First Posted

Study publicly available on registry

October 4, 2022

Completed
2.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2024

Completed
Last Updated

October 4, 2022

Status Verified

September 1, 2022

Enrollment Period

2.6 years

First QC Date

June 12, 2022

Last Update Submit

October 2, 2022

Conditions

Outcome Measures

Primary Outcomes (1)

  • Acute radiation dermatitis grading criteria

    Acute radiation dermatitis grading criteria according to the Radiation Therapy Oncology Group. Minimum value 1 and maximum value 4, higher value means a worse outcome

    Before and during treatment and after one year

Secondary Outcomes (5)

  • Quality of life (QoL)

    Before and during treatment and after one year

  • Breast cancer specific Quality of life (QoL)

    Before and during treatment and after one year

  • Cancer related fatigue Quality of life (QoL)

    Before and during treatment and after one year

  • Number of participants with heart disease

    at five years

  • Number of participants with lung disease

    at five years

Interventions

Blood sampleRADIATION

Blood sample before and after radiotherapy and photography before radiotherapy

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients receiving postoperative radiotherapy for breast cancer.

You may qualify if:

  • Patients receiving adjuvant radiotherapy for breast cancer 2,67 Gy x 15 (or a radio biologically equivalent dose)
  • \> 18 years
  • Being able to read and understand patient information in Swedish
  • Signed informed consent

You may not qualify if:

  • Ongoing infection
  • Fever \>37,9 degrees Celsius
  • Unable to follow study protocol

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Karolinska University Hospital

Stockholm, 17176, Sweden

RECRUITING

Biospecimen

Retention: SAMPLES WITH DNA

Single nucleotide polymorphisms (SNPs) will be analysed

MeSH Terms

Conditions

Breast Neoplasms

Interventions

Blood Specimen Collection

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsBreast DiseasesSkin DiseasesSkin and Connective Tissue Diseases

Intervention Hierarchy (Ancestors)

Specimen HandlingClinical Laboratory TechniquesDiagnostic Techniques and ProceduresDiagnosisPuncturesSurgical Procedures, OperativeInvestigative Techniques

Study Officials

  • Mattias Hedman, MD PhD

    Karolinska University Hospital

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Head of Radiotherapy

Study Record Dates

First Submitted

June 12, 2022

First Posted

October 4, 2022

Study Start

May 9, 2022

Primary Completion

December 31, 2024

Study Completion

December 31, 2024

Last Updated

October 4, 2022

Record last verified: 2022-09

Locations