Hospital

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 The Hospital of the NIRS is unique in its specialization in radiotherapy for cancer. It performs carbon ion radiotherapy in clinical practice and also conducts clinical studies to make this non-invasive therapy more accessible for cancer patients. Occasionally, the Hospital also serves an important role as a tertiary hospital for radiation emergency medicine.

 The Hospital is designed to protect the privacy of patients, attaches importance to good communication with patients and their families, and has a high level of amenities and utilities. Furthermore, the Hospital plays a leading role all over the world for pioneering new clinical techniques in radiation medicine as well.

  • New Treatment Research

Medical consultation service

 With increasing appreciation of the expertise of the NIRS in advanced charged particle therapy, many requests for medical consultations on cancer therapy come from all areas of Japan.

 Patient referral documents from your physician-in-charge including diagnosis, full history of present illness, past medical history including comorbidities currently under treatment / follow-up, familial history, physical examination findings and all results of any test done related to the current illness will be required on your visit to our hospital. Documents are required to be written in Japanese or English. All documents written in any other language must be translated into Japanese or English prior to your visit.

 Please be aware that we are not yet fully staffed to serve the needs of international patients. For non-native Japanese patients, this will mean that you will need to secure the services of a personal interpreter during the course of your hospital visit. For the patient's ease and safe treatment, patients should be accompanied by own interpreter in all days you come to our hospital.
 If you have difficulties finding a personal interpreter and arranging your visit on your own, 'Medical Excellence JAPAN' provides an assistance service for patients from overseas. It is an organization supported by The Ministry of Economy, Trade and Industry.

http://www.medical-excellence-japan.org/
(Languages; English, Chinese, and Russian)

Cost of the therapy (Patients from overseas)

 Carbon ion radiotherapy itself costs 4,500,000 yen, irrespective of cancer site or fraction number. There are additional separate charges for scans, hospitalization, medicines among others.

Clinical studies conducted in an ideal environment with careful attention to detail

“Clinical Studies on Cancer Therapy with Charged Particles“ refers to the clinical studies conducted using HIMAC (heavy ion medical accelerator in Chiba) at the NIRS. These studies are conducted to verify the safety and efficacy of charged particle therapy for different types of cancer and to extend the role of charged particle therapy to diseases where its use will have more benefit than conventional therapies.

Cancer therapy with charged particles is performed ethically and scientifically under the supervision of and in cooperation with committees consisting of internal and external specialists and experts, such as the J-CROS (Japan Carbon-ion Radiation Oncology Study) association, which is the supreme organization in charge of conducting clinical studies, the Steering Committee and its subcommittees, the Evaluation Committee, the Auditing Committee and the Data Center.

Carbon ion radiotherapy for unresectable bone and soft tissue tumors was approved by the Ministry of Health, Labor and Welfare to be covered by the National Health Insurance system as of March, 2016.

The number of patients enrolled in charged particle therapy at the NIRS Hospital has increased year by year since 1994, and exceeded 10,000 in July 2016. In the early phases of clinical studies, some patients developed adverse reactions (side effects) of the lung, skin, or other organs but all made a satisfactory recovery. Serious gastrointestinal reactions were observed in a small number of patients, but this side effect was resolved by the determination of appropriate doses and improvements in radiation methods. Based on the accumulated clinical study data, radiation therapy is now being performed with greater therapeutic effect to treat the cancer and improve symptoms in many patients.

The Hospital's clinical studies were conducted on patients who were difficult to cure with other therapies, and showed remarkable efficacy especially in tumors resistant to x-rays such as adenoma, adenoid cystic carcinoma, malignant melanoma, hepatocellular carcinoma, and sarcoma. Based on these achievements, the therapy was approved as a highly advanced medical technology (advanced medical care, since October 2006) by the Ministry of Health, Labor and Welfare in October 2003.





Hospital philosophy / We promote clinical practice and clinical studies using radiation therapy to combat cancer, establish safe and specialized clinical procedures, and provide high quality patient-centered medical care.


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4-9-1 Anagawa, Inage-ku, Chiba-shi, Chiba 263-8555, Japan Tel: +81-43-206-3025 (outside of Japan), or 043-206-3025 (in Japan)