Summary
Gustave Roussy provides multidisciplinary cancer care, bringing together specialists to assess diagnosis and treatment options. It is particularly associated with clinical research, molecular profiling and early-phase drug development. The supplied profile indicates around 500 active oncology clinical trials, but this is an indicative portfolio figure rather than a count of studies currently recruiting international patients. Available care may include established treatments, biomarker-guided therapy or participation in a suitable trial. International patients should request a medical review before making travel arrangements and clarify the proposed pathway, likely duration of attendance, financial arrangements and follow-up responsibilities. Trial eligibility, treatment access and language support must be confirmed individually.
Key takeaways
- Gustave Roussy is a comprehensive cancer centre in Villejuif, near Paris.
- Its specialist programmes include breast cancer, lung cancer, rare cancers and blood cancers.
- Treatment planning may combine established therapies with molecular testing and research options.
- DITEP focuses on early-phase clinical research involving investigational treatments.
- The figure of around 500 active oncology trials is indicative, not a measure of immediate trial availability.
- International patients should obtain clinical acceptance and clarify costs before travelling.
Overview
Gustave Roussy traces its origins to cancer services developed in the early twentieth century and takes its name from physician and researcher Gustave Roussy. Its main campus is in Villejuif, in the Paris metropolitan area. The institution has developed around the integration of patient care, laboratory research and clinical investigation.
It is a non-profit specialist cancer centre with treatment, research and teaching functions. Rather than operating as a general hospital, it organises services around cancer diagnosis and management. Multidisciplinary assessment can involve medical oncologists, surgeons, radiation oncologists, pathologists, radiologists and other professionals, depending on the patient's needs.
The centre operates on a substantial scale, with services for adults and children and an extensive research portfolio. Its work includes complex cancers, molecular characterisation of tumours and development of new treatments. These institutional capabilities do not establish that every treatment is available for every diagnosis, or that care there would produce a better outcome than an appropriate alternative centre.
Specialties
Breast cancer and lung cancer are prominent areas of care. Assessment considers the cancer subtype, stage, previous treatments and relevant biomarkers. Breast cancer planning may depend on hormone receptor and HER2 status, while lung cancer planning may include testing for molecular alterations and other markers that help guide systemic treatment. Local treatments and supportive care remain important alongside drug therapy.
Rare cancers and blood cancers are also part of the centre's specialist activity. Rare tumour assessment may require expert pathology review because classification can affect both treatment and trial eligibility. Blood cancers encompass several distinct diseases with different diagnostic and treatment pathways. Patients should ask whether the centre has an appropriate disease-specific team and whether the required service is available for their age group and diagnosis.
Available treatments
Treatment options include surgery, systemic anticancer medicines and radiation therapy, used alone or in combination where appropriate. The treatment goal may be cure, reducing recurrence risk, controlling disease or relieving symptoms. A proposed plan should explain the expected benefit, alternatives and potential effects on daily life.
Immunotherapy and targeted therapy are relevant to selected cancers, not universal substitutes for chemotherapy or other established care. Suitability depends on the tumour type, biological findings, previous treatment and the patient's overall health. Patients should distinguish an approved treatment offered as routine care from a treatment available only within research.
Precision oncology uses information about the cancer, including molecular profiling where appropriate, to help identify possible treatment options. Profiling does not always find an actionable alteration. Even when it does, a matching medicine may lack evidence for that cancer, be unavailable locally or require eligibility for a clinical trial.
Radiation therapy may form part of curative treatment or symptom management. The technique and schedule depend on the disease and clinical assessment. Supportive and palliative care can accompany anticancer treatment to address symptoms, treatment effects and quality of life.
Clinical trials
The supplied profile describes around 500 active oncology clinical trials. This figure is indicative: trial portfolios change, and 'active' can include studies that are no longer enrolling new participants. DITEP, the centre's early-phase trials department, evaluates investigational approaches, including treatments being studied for safety, dosing and preliminary evidence of activity. Early-phase participation does not guarantee clinical benefit.
International patients can ask the international patients department how to obtain a specialist review for possible trial consideration. Assessment may require pathology, molecular results, treatment history, recent imaging and laboratory tests. Eligibility can depend on organ function, previous therapies, treatment-free intervals and availability of a study place. Screening may involve additional tests and visits. Patients should clarify which research-related and routine-care costs are covered, and whether repeated stays in France would be necessary.
Practical guidance for international patients
Before travelling, request a review of the medical records and confirmation of the purpose of the proposed visit: a second opinion, further investigations, treatment or trial screening. Ask whether additional pathology review or testing is required and whether any of this can be completed locally. Do not interrupt current treatment without agreement from the treating team.
Compare the proposed pathway with suitable care available at home, including the burden of travel and time away from support networks. Obtain a written estimate and clarify payment or insurance requirements. Agree who will manage complications, prescriptions and follow-up after returning home, and how information will be shared with the local oncology team.
Contact information
Contact details below come from the hospital's own published international patient information.
Location: Villejuif, France
Email: patients.international@gustaveroussy.fr
Phone: +33 1 42 11 42 11
Website: https://www.gustaveroussy.fr
Languages supported: French, English, Russian, Arabic
Remote second opinion: Available
Always confirm current contact details on the hospital's own website before sending medical records, and never send documents to an address you have not verified.
Questions patients ask
- Can your team review my records before I arrange travel?
- Which specialist service would assess my particular cancer subtype?
- Would you need my original pathology material or additional molecular testing?
- What benefit and risks do you expect from the proposed treatment?
- Are any relevant trials currently recruiting, and what screening is required?
- What does the written estimate include, exclude and assume?
- What interpreting support and accommodation guidance can you provide?
- Who will coordinate urgent care and follow-up when I return home?
Frequently asked questions
How can an international patient request a referral or assessment?
Use the centre's official website to identify the current route to its international patients department. Ask how to submit a medical summary securely and whether a clinician's referral is required for the relevant service. The team may request further records before directing the case to a specialist. Clarify whether the initial response constitutes administrative registration, a medical opinion or acceptance for an appointment. These are different stages, and none should be assumed to guarantee treatment or a trial place.
Which medical records should I prepare?
Prepare a diagnosis summary, pathology reports, records of previous surgery and anticancer treatments, current medicines, allergies, recent laboratory results and imaging reports. The centre may also need the actual scan files and pathology slides or tissue blocks for review. Include molecular testing results if available, and note significant other illnesses. Ask which languages and file formats are accepted and whether certified translations are necessary. Keep copies and use the submission method specified by the centre to protect medical information.
What should I expect regarding treatment costs?
Costs depend on the assessment, investigations, treatment plan, length of attendance and any complications. Request a written, itemised estimate rather than relying on a general price indication. Ask about deposits, payment schedules, insurance authorisation and whether professional fees, medicines and supportive care are included. Clinical trial participation does not necessarily make all care free: routine treatment, travel or accommodation may remain chargeable. European or other international healthcare arrangements should be checked with both the centre and the relevant insurer or funding authority.
Is language support available for international patients?
The dedicated international patients department is an appropriate starting point for questions about communication and interpreting. Do not assume that every appointment, consent document or urgent interaction can be provided in your preferred language. Ask which languages are supported, whether a professional interpreter must be booked and whether there is an additional charge. For complex treatment decisions and research consent, reliable interpretation is important. Also clarify whether discharge summaries and instructions can be supplied in a language understood by your home oncology team.
How should I plan travel and accommodation?
Wait for confirmation of the appointment or treatment pathway before making non-refundable bookings. Ask how long the initial assessment may take, whether extra visits could be required and whether a companion is advisable. Request guidance on nearby accommodation, accessibility and transport without assuming that lodging or transfers are provided. Check visa and insurance requirements independently. Your treating clinicians should advise on fitness to travel, including after procedures or treatment, and you should understand where to seek urgent help during the stay.
References
- 1.Gustave Roussy official website — centre and patient information— Gustave Roussy
- 2.National Cancer Institute — general cancer treatment and clinical trial information— National Cancer Institute
- 3.ESMO — oncology resources and patient guides— European Society for Medical Oncology

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Last reviewed September 1, 2026
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Educational information only. GetOnco is software, not a medical provider, and does not diagnose disease or recommend treatments. Always discuss your situation with qualified healthcare professionals.