International Prospective Registry on Local Treatment Approaches in MLS

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18+
SponsorThe Netherlands Cancer Institute

About this trial

To prospectively study commonly used local treatment approaches in Myxoid Liposarcoma (MLS)

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Age > 18 years

Biopsy proven MLS, including the reciprocal chromosomal translocation t(12;16)(q13;p11)

ECOG PS 0-2

Written informed consent to share coded information in this international Registry

Disqualifiers

Prior radiotherapy to the target area

Pregnancy

Trial population

Patients diagnosed with Myxoid Liposarcoma (MLS) that will be treated in one of the participating Sarcoma Reference Centers according to one of the treatment approaches defined in the 5 cohorts.

Trial design

Design model

Cohort

Time perspective

Prospective

Treatments tested in this trial

  • Surgery

    Procedure/Surgery

    Surgery

  • Preoperative RT 36Gy

    Radiation

    Preoperative radiotherapy to 36Gy (equivalent)

  • Preoperative RT 50Gy

    Radiation

    Preoperative radiotherapy to 50Gy (equivalent)

  • Postoperative RT 50-66Gy

    Radiation

    Postoperative radiotherapy to 50-66Gy (equivalent)

  • RT 36Gy

    Radiation

    Definitive radiotherapy to 36Gy (equivalent)

Treatment groups

300 Participants
are divided into 5 treatment groups
Group A: Cohort A1 intervention
Group B: Cohort B2 interventions
Group C: Cohort C2 interventions
Group D: Cohort D2 interventions
Group E: Cohort E1 intervention

Trial outcomes

Primary outcomes

1

Local recurrence free survival

Survival from surgery to local recurrence (event) or last follow-up

Time frame
From surgery to the end of at least 5 years of follow-up

Secondary outcomes

1

Wound complications

Any wound complication requiring intervention

Time frame
From surgery to 6 months of follow-up
2

Late toxicity

Any grade ≥2 late (radiation-induced) toxicity according to CTCAE v5.0 toxicity criteria

Time frame
From 3 months after surgery to the end of at least 5 years of follow-up

Other outcomes

1

Patient-Reported Outcome Measures (PROMs)

PRO-CTCAE Item Library; relevant questions from the Patient-Reported Outcomes version of the CTCAE (PRO-CTCAE)

Time frame
From baseline visit to the end of 5 years of follow-up
2

Health-Related Quality of Life (HRQoL)

EORTC QLQ-C30; 30-item HRQoL questionnaire; EORTC Items Library; 3 questions to assess some radiotherapy-specific HRQoL; EQ5D-5L; descriptive system for measurement of health; iMCQ; relevant items from the Medical Consumption Questionnaire (iMCQ) to assess medical consumption; PRODISQ; PROductivity and DISease Questionnaire to assess all relevant aspects of the relationship between health and productivity;

Time frame
From baseline visit to the end of 5 years of follow-up

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

The Netherlands Cancer Institute

Lead sponsor

Radboud University Medical Center

Collaborator

Maastro Clinic, The Netherlands

Collaborator

University Medical Center Groningen

Collaborator

Leiden University Medical Center

Collaborator

Vienna General Hospital

Collaborator

M.D. Anderson Cancer Center

Collaborator

University Hospital, Antwerp

Collaborator

Universitetssykehus

Collaborator

Haukeland University Hospital

Collaborator

Universitäts-Frauenklinik Graz

Collaborator

University Hospital Heidelberg

Collaborator

Mayo Clinic

Collaborator

Aarhus University Hospital

Collaborator

National Cancer Center, Japan

Collaborator

Princess Margaret Hospital, Canada

Collaborator

MOUNT SINAI HOSPITAL

Collaborator

University of Sydney

Collaborator

Institute for Cancer Research and treatment

Collaborator

Fondazione IRCCS Istituto Nazionale dei Tumori, Milano

Collaborator

Institut Curie

Collaborator

Australia and New Zealand Sarcoma Association

Collaborator