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Preparing for an Adipose Stem Cell Therapy Consultation in Osaka

Published 2026.10.21 7 min read

Hello, I am Dr. Hidenori Shimada of Grand Green Osaka Umekita Clinic in Osaka, Japan.

For many international patients, the first question about regenerative medicine is not whether a treatment exists, but what to do before deciding. Adipose-derived stem cell therapy is a treatment in which mesenchymal stem cells taken from your own fat tissue are cultured, expanded, and returned to your body by intravenous infusion. Because it is a medical decision that involves travel, time, and cost, a well-prepared consultation can make the process clearer. This article explains what to organize and what to ask before you speak with a physician at Grand Green Osaka Umekita Clinic in Osaka.

The short answer: treat the consultation as a decision point, not a formality

A consultation is the stage at which a doctor reviews your medical history, your goals, and whether this approach is appropriate for you. It is not a promise that treatment will go ahead. Stem cell therapy is a self-pay (non-insured) treatment in Japan, and its suitability, expected course, costs, risks, and possible side effects must be confirmed in person with a physician. Coming prepared helps you use that time well and helps the doctor make a careful judgment.

It is also worth remembering that research on mesenchymal stem cells is still developing. Reports describe anti-inflammatory and tissue-supporting properties, but results differ between studies and between conditions. A responsible consultation should discuss both what has been reported and what remains uncertain.

Understand the basics before you arrive

Stem cells are cells that can replicate themselves and differentiate into other cell types, and they are involved in maintaining and repairing tissue. Mesenchymal stem cells are found in fat tissue, bone marrow, and other sites. Fat tissue is often described as containing a relatively abundant supply of these cells, and it can be collected through a small incision under local anesthesia, which generally places a smaller burden on the body than bone marrow collection.

Because the cells come from your own body, the treatment is called autologous. This can lower the risk of rejection compared with donor cells, but it does not remove all risks. Collection, culture, and infusion each carry their own considerations, and these are best discussed directly with your doctor.

What to bring and prepare for the consultation

The doctor can only evaluate what they can see. Gathering information in advance, ideally in English or with a translation, helps avoid delays. Consider preparing the following:

A summary of your current diagnoses and the reasons you are interested in this treatment.
Recent test results, imaging reports, or letters from your treating doctors, if available.
A list of all medications and supplements, including blood thinners, and any known allergies.
Your history of surgery, infections, autoimmune conditions, or cancer, including the dates.
Your planned travel dates and how long you can stay in Japan.

If you are currently receiving standard treatment for a condition, tell the doctor. Regenerative medicine is not meant to replace standard care, and your existing treatment plan should be considered as part of the discussion.

Questions worth asking about the legal framework and process

In Japan, regenerative medicine of this kind is provided under a framework based on the Act on the Safety of Regenerative Medicine, which requires a treatment provision plan and oversight of cell processing. This is a regulatory system, not a guarantee of any particular outcome. Patients can reasonably ask how the framework applies to the treatment being offered, where the cells are cultured, and how the clinic handles records and follow-up.

It is also useful to understand the overall flow. Typically, the steps include a consultation, a small fat collection on an outpatient basis, culture and expansion of the cells at a specialized facility, and later an intravenous infusion. Culture takes time, so you should ask how many visits are expected, how long each interval is, and whether the schedule can fit your travel plans. Do not assume timing; confirm it with the clinic.

Finally, ask about risks and side effects openly. Possible issues can include discomfort or bruising at the collection site, reactions related to the infusion, and general risks of any procedure. Ask what would happen if you felt unwell after returning home, and who you could contact.

Cost, language, and practical points for medical travel

Because this is a self-pay treatment, it is not covered by the Japanese public health insurance system, and it may not be covered by overseas insurance either. Ask for a clear explanation of the fees, what they include, and whether additional charges may arise. Check these details against the clinic’s official fee information rather than relying on secondhand figures.

Language matters as well. Informed consent depends on understanding, so confirm in advance whether interpretation support is available for the consultation and for written consent documents. Grand Green Osaka Umekita Clinic is located in the Umeda area of Osaka, which is easy to reach from major stations, and it provides an information page for international patients. Looking through that page before your visit can help you prepare questions.

Summary: a prepared patient makes a clearer decision

Adipose-derived stem cell therapy is one option within regenerative medicine, and the evidence continues to evolve. The most useful step before treatment is an honest conversation with a physician who reviews your history, explains the process, and discusses costs, risks, and side effects in terms you can understand. Gather your records, write down your questions, and allow yourself time to decide. If you are considering a visit, you can review the treatment and international patient information pages and then arrange a consultation to discuss whether this approach is appropriate for your situation.

Before Your Consultation

Gather your recordsTest results and history
Prepare your questionsProcess, risks, side effects
Check the legal frameworkProvision plan and cell culture
Plan your travelSchedule and language support

This figure is a conceptual summary of the article content

Learn more about Adipose-Derived Stem Cell Therapy

References

Supervising Physician

Director, Medical Corporation Shimada Clinic
Head of Clinical Practice, Grand Green Osaka Umekita Clinic

Hidenori Shimada

Graduated from the University of Tokushima Faculty of Medicine in 2005. After his initial residency, he obtained U.S. medical certification (ECFMG) and trained as a sub-intern in general surgery at the University of Washington. After completing the doctoral program at Kyoto University Graduate School of Medicine and working as a researcher at the Center for iPS Cell Research and Application (CiRA), Kyoto University, he founded Shimada Clinic in 2013. At Grand Green Osaka Umekita Clinic (https://umekitaclinic.org), he is engaged in a wide range of care, from internal medicine and pediatrics to cell therapy and aesthetic medicine.

* The physician supervision of this article covers its academic content only and does not constitute a recommendation of any specific treatment or product.

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