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ChordomaP1V2NCT06029218

Analysis of the Toxicity and Efficacy of Daily 1 vs 2 Beam Proton Therapy

A study testing Proteus ONE one daily beam and Proteus ONE two daily beam in people with Chordoma and Chondrosarcoma, run by Centre Antoine Lacassagne at 1 site in France.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

Thanks to the intrinsic qualities of the proton beam, proton therapy will reduce adverse effects of irradiation. The Proteus®One is the latest generation of proton therapy equipment, enabling the Centre Antoine Lacassagne to expand its range of treatments by carrying out new proton therapy treatments. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Chordoma, Chondrosarcoma, Ewing Sarcoma
What is being tested?
Proteus ONE one daily beam and Proteus ONE two daily beam
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
106 participants
Where
1 siteFrance
Study dates
13 Sep 2023to 1 Oct 2031
Phase
Interventional
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Chordoma, chondrosarcoma of the skull base and spine, Ewing's sarcoma, and osteosarcoma meeting the criteria for treatment by proton therapy
  • Tumour requiring 2 beams
  • MRI less than one month old
  • PS 0-2.
  • Patient who has read the patient information note and signed the consent form.
  • Patient with healthcare insurance cover.
  • Age over 18 years.
  • For women of childbearing age, negative urine pregnancy test and effective contraception in place for the duration of treatment and for six months following the end of treatment.

Who cannot join

  • Persons deprived of their liberty or under guardianship.
  • Unable to undergo the medical follow-up of the clinical investigation for geographical, social or psychological reasons.
  • Patient eligible for symptom reduction surgery Vulnerable populations and participants defined in Articles 64 to 68 of Regulation (EU) 2017/745 of the European Parliament and of the Council of 5 April 2017.

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

France1 site, 1 recruiting
  • Centre Antoine lacassagne

    Nice, 06000

    BONDIAU Pierre Yves, pierre-yves.bondiau@nice.unicancer.fr

    Recruiting

Other trials in France

About this study

Official title: Analysis of the Toxicity and Efficacy of Daily 1 vs 2 Beam Proton Therapy : Analysis of the Toxicity and Efficacy of Daily 1 vs 2 Beam Proton Therapy

Thanks to the intrinsic qualities of the proton beam, proton therapy will reduce adverse effects of irradiation. The Proteus®One is the latest generation of proton therapy equipment, enabling the Centre Antoine Lacassagne to expand its range of treatments by carrying out new proton therapy treatments. It has an innovative compact isocentric rotating head (Gantry) that allows the radiation beam to be directed at different angles around the patient. In some cases, two beams are used to treat tumours, and by convention, both beams are delivered during the same session. However, it is necessary to position the patient before each beam, which is time-consuming because 2 beams have to be positioned very precisely each day. The aim of this study is therefore to assess the toxicity of proton therapy delivered by a single daily beam compared with proton therapy delivered by two daily beams, which is the conventional technique.

Being tested
Proteus ONE one daily beam, Proteus ONE two daily beam
Keywords
protontherapy
Medical subject headings
Chordoma, Chondrosarcoma, Sarcoma, Ewing, Osteosarcoma

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Proteus ONE one daily beamRadiation

    A single daily beam is used, doubling the dose delivered for this treatment incidence.

  • Proteus ONE two daily beamRadiation

    two daily beams are used, in accordance with the initial treatment plan and the patient's standard of care

Study groups in NCT06029218
Study groupRoleWhat they receive
1DBExperimentalOne daily Beam treatment
Receives: Radiation: Proteus ONE one daily beam
2DBActive comparatorTwo daily beam goldstandard
Receives: Radiation: Proteus ONE two daily beam

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. To evaluate the frequency of occurrence of toxicities in the group of patients treated with two daily beams (2DB) and in the group of patients treated with one daily beams (1DB).

    Assessment of the incidence of grade ≥2 medical device-related toxicities assessed according to CTCAE version 5.0 in each of the two treatment arms.

    Measured: During 2 to 7 weeks of protontherapy treatment and during 5 years follow-up

Secondary outcomes (5)
  1. Determining the effectiveness of proton therapy

    Efficacy will be assessed in terms of relapse rate

    Measured: 5-year follow-up visits

  2. Determining the effectiveness of proton therapy

    Efficacy will be assessed in terms of local control by MRI assessment

    Measured: 5-year follow-up visits

  3. Determining the effectiveness of proton therapy

    Efficacy will be assessed in terms of overall survival

    Measured: 5 years follow-up

  4. Quality of life assessment

    Quality of life will be assessed using the EORTC QLQ-C30 scale (Appendix 2), version 3 at the inclusion assessment, at the end-of-treatment visit and at each assessment visit for five years. Version 3.0 of the QLQ-C30 has four-point scales for the items 1 to 28 namely : 1 : "Not a tall", 2 : "A little", 3 : "Quite a bit" and 4 : "Very much." Higher score mean worse outcome. Item 29 and 30 has seven-point scales from 1 : " very bad " to 7 "Excellent". Lower score mean worse outcome.

    Measured: During 2-7 weeks of protontherapy treatment and during 5 years follow-up

  5. Evaluate the time saving between the two arms 1DB and 2DB

    Time savings will be assessed by measuring the time taken for door-to-door proton therapy treatment sessions.

    Measured: 2-7 weeks of protontherapy treatment

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 Sep 2023
  2. Study start13 Sep 2023
  3. Primary completion1 Sep 2026 (estimated)
  4. Study completion1 Oct 2031 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
106 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06029218
Sponsor's protocol ID
2022/72
Acronym
P1V2
Status last verified
Aug 2024
First submitted
25 Jul 2023
Last updated
25 Sep 2024
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing Proteus ONE one daily beam and Proteus ONE two daily beam in people with Chordoma and Chondrosarcoma, run by Centre Antoine Lacassagne at 1 site in France.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 8 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: looking for participants now, as of the sponsor's last update on 25 Sep 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in France. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Clement DEVIC, PhD (0492031511, clement.devic@nice.unicancer.fr), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

To evaluate the frequency of occurrence of toxicities in the group of patients treated with two daily beams (2DB) and in the group of patients treated with one daily beams (1DB). (time frame: During 2 to 7 weeks of protontherapy treatment and during 5 years follow-up). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 25 Sep 2024.

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