Oncology

Tsukiji Clinic Cosmos

築地クリニック コスモス

Chuo-ku, Tokyo · Tsukiji Station exit 2, 3 min; Shintomicho Station exit 1, 5 min

Tsukiji cancer immunotherapy clinic with in-house cell culture, offering NK, γδT, NKT-targeted and dendritic-cell therapies plus oncothermia.

Treatments at Tsukiji Clinic Cosmos

What each treatment is and how it is given. Whether it suits you is decided by the clinic’s physician after reviewing your records.

TreatmentWhat it isTypeLearn more
Combined NKT immune-cell therapyNKT-targeted and other activated immune cells cultured together and reinfused; chosen by about 80% of the clinic's patients. NK, NKT & T-cell therapiesHow it works →
NK cell therapyExpanded NK cells reinfused to attack tumor cells directly. NK, NKT & T-cell therapiesHow it works →
γδT cell therapyGamma-delta T cells expanded from blood and reinfused. NK, NKT & T-cell therapiesRelated treatment →
Dendritic-cell vaccines (autologous, artificial-antigen, intratumoral)Dendritic cells loaded with the patient's tumor antigen or synthetic peptides, or injected directly into the tumor. Dendritic-cell & cancer vaccinesRelated treatment →
Oncothermia (with optional high-dose vitamin C)Modulated electro-hyperthermia heats the tumor region over 2–3 months, alone or combined with vitamin C infusion. HyperthermiaRelated treatment →

Many treatments listed here are self-pay (not covered by Japanese public insurance) and some are not approved as standard treatment in Japan. Regenerative and cell therapies are provided under registered plans based on the Act on the Safety of Regenerative Medicine.

Costs depend on your case and differ for international patients. Your coordinator explains the clinic's fees, interpreter and coordination costs before you decide.

About the clinic

Tsukiji Clinic Cosmos is a registered regenerative-medicine provider with its own large-scale culture facility. It offers a menu of immune-cell therapies — activated αβT, γδT, NK, combined and NKT-targeted cells — as well as three types of dendritic-cell vaccine, and treats solid tumors with oncothermia, optionally combined with high-dose vitamin C. Most patients choose the combined NKT course.

  • Immune-cell therapy
  • Dendritic-cell vaccines
  • Oncothermia

Doctors

  • Takahisa Hirai 平井 崇久

    Physician

    Specializes in immune-cell therapy and hyperthermia.

International patients

What the clinic publishes

This clinic has not published an international patient service. JapanMedAssist can coordinate records translation, medical interpretation and scheduling on your behalf.

What JapanMedAssist adds

  • Records collection and Japanese translation
  • Physician pre-review of your case
  • Appointment scheduling
  • Medical interpreter at every visit
  • Visa and travel letter guidance

Access and hours

Address
Hosokawa Tsukiji Bldg. 5F, 1-9-9 Tsukiji, Chuo-ku, Tokyo 104-0045 東京都中央区築地1-9-9 細川築地ビル5F
Nearest station
Tsukiji Station exit 2, 3 min; Shintomicho Station exit 1, 5 min
Hours
9:00–13:00 and 14:00–18:00. Closed Tue, Wed, Thu, Sun and holidays. New patients Mon and Sat.
Official website
cosmos01.jp
Open in Google Maps

Ask us about this clinic

Send us your diagnosis and treatment history. A case coordinator will check whether this clinic fits your case, request a medical review, and explain costs and next steps before you travel.

Independent information. JapanMedAssist is not affiliated with Tsukiji Clinic Cosmos unless stated.

How we arrange your visit

  1. 1

    Send your records

    Share your diagnosis, reports and imaging through our secure form. We translate them into Japanese.

  2. 2

    Clinic match and physician review

    We check which clinics fit your case and ask the clinic’s physician to review it before you travel.

  3. 3

    Visit with an interpreter

    We schedule appointments, arrange a medical interpreter and explain all costs before you decide.

Frequently asked questions

Does Tsukiji Clinic Cosmos accept international patients?

This clinic has not published an international patient service. JapanMedAssist can coordinate records translation, medical interpretation and scheduling on your behalf.

How do I book Tsukiji Clinic Cosmos from abroad?

Send your diagnosis and recent medical records through our consultation form, WhatsApp or Messenger. A coordinator checks whether this clinic fits your case, arranges a medical review, and explains costs and next steps before you travel.

How much does treatment at Tsukiji Clinic Cosmos cost?

Costs depend on your case and differ for international patients. Your coordinator explains the clinic's fees, interpreter and coordination costs before you decide. Many treatments are self-pay and not covered by Japanese public insurance.

Which documents do I need?

Usually a referral letter or summary from your current doctor, recent pathology and imaging reports, and a list of treatments so far. We help you collect and translate them.

Where is Tsukiji Clinic Cosmos?

Hosokawa Tsukiji Bldg. 5F, 1-9-9 Tsukiji, Chuo-ku, Tokyo 104-0045. Nearest station: Tsukiji Station exit 2, 3 min; Shintomicho Station exit 1, 5 min.

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Sources

Summarized from the clinic’s public website on 2026-09-28. Report an error