Actively Recruiting

Phase Not Applicable
Age: 18Years - 75Years
All Genders
NCT04731610

Randomized, Multicenter, Phase III Trial to Assess Conformal Post-operative Radiotherapy vs. Surveillance After Complete Resection of Stage II/III Thymoma (RADIO-RYTHMIC-01)

Led by Institut Curie · Updated on 2026-04-20

314

Participants Needed

21

Research Sites

574 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The primary objective of the study : to compare the Recurrence-Free survival (RFS) between arms. RFS is defined as time from randomisation to the first recurrence (either local-regional or distant) or death of any cause.

CONDITIONS

Official Title

Randomized, Multicenter, Phase III Trial to Assess Conformal Post-operative Radiotherapy vs. Surveillance After Complete Resection of Stage II/III Thymoma (RADIO-RYTHMIC-01)

Who Can Participate

Age: 18Years - 75Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Age between 18 and 75 years old
  • ECOG performance status 0 or 1
  • Preoperative chemotherapy allowed up to 4 cycles, with surgery done within 2 months after last chemotherapy
  • Histologically confirmed thymoma after pathological review
  • Complete tumor resection confirmed by pathological examination
  • Stage IIb or III thymoma according to Masaoka-Koga or TNM staging systems
  • Availability of thoracic CT scan with IV contrast or PET scan before surgery
  • Post-surgery thoracic CT scan showing no residual disease
  • Post-surgery pulmonary function with FEV1 at least 1L or 35% of predicted, and DLCO at least 40%
  • Signed informed consent form
Not Eligible

You will not qualify if you...

  • Age over 75 years old
  • Histology showing thymic carcinoma
  • Post-operative or concurrent chemotherapy with radiotherapy
  • Presence of residual tumor or metastases after surgery (R1 or R2 resection)
  • Uncontrolled or significant pleural or pericardial effusion
  • Prior radiation therapy to the thorax (exceptions discussed with investigator)
  • Severe or uncontrolled systemic disease judged by investigator
  • Severe cardiac or pulmonary disease within last 6 months (except controlled, asymptomatic arrhythmia)
  • History of another neoplasm within last 3 years except certain skin or cervical cancers
  • Pregnancy, breastfeeding, or inadequate contraception for women of childbearing potential during radiotherapy
  • Inability to undergo regular follow-up due to family, social, geographic, or psychological reasons
  • Patients deprived of freedom or under guardianship

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 21 locations

1

CHU Caen

Caen, France, 14000

Actively Recruiting

2

CLCC François BACLESSE

Caen, France, 14000

Actively Recruiting

3

CLCC Georges François Leclerc

Dijon, France, 21079

Actively Recruiting

4

Centre Oscar Lambret

Lille, France, 59000

Actively Recruiting

5

CHU Lyon

Lyon, France, 69002

Actively Recruiting

6

AP-HM Hôpital Nord

Marseille, France, 13005

Actively Recruiting

7

Institut du Cancer de Montpellier

Montpellier, France, 34090

Not Yet Recruiting

8

Antoine LACASSAGNE

Nice, France, 06189

Not Yet Recruiting

9

Institut Curie

Paris, France, 75005

Actively Recruiting

10

Hôpital Européen Georges Pompidou

Paris, France, 75015

Not Yet Recruiting

11

Hôpital Bichat AP-HP

Paris, France, 75018

Actively Recruiting

12

CHU Haut Lévêque

Pessac, France, 33604 Cedex

Not Yet Recruiting

13

CHU Rennes Hôpital Sud

Rennes, France, 35056

Actively Recruiting

14

CHU Rouen

Rouen, France

Withdrawn

15

CLCC Henri Becquerel

Rouen, France

Not Yet Recruiting

16

Institut de Cancérologie de l'Ouest

Saint-Herblain, France, 44805

Actively Recruiting

17

CHU Strasbourg

Strasbourg, France, 67098

Not Yet Recruiting

18

Institut Claudius Regaud

Toulouse, France, 31300

Actively Recruiting

19

CHRU Tours

Tours, France, 37044

Actively Recruiting

20

Institut de Cancérologie de Lorraine Nancy

Vandœuvre-lès-Nancy, France, 54519

Actively Recruiting

21

Gustave Roussy

Villejuif, France, 94800

Actively Recruiting

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Research Team

N

Nicolas GIRARD, PR

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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Randomized, Multicenter, Phase III Trial to Assess Conformal Post-operative Radiotherapy vs. Surveillance After Complete Resection of Stage II/III Thymoma (RADIO-RYTHMIC-01) | DecenTrialz