Hello, I am Dr. Hidenori Shimada of Grand Green Osaka Umekita Clinic in Osaka, Japan.
If you have read about regenerative medicine using your own cells, one of the first practical questions is usually a personal one: “Could this be an option for me?” There is no single answer that applies to everyone, and a website cannot give you one. What an article can do is explain how the decision is generally approached, so that you arrive at your consultation with the right information and the right questions.
Grand Green Osaka Umekita Clinic, located in the Umeda area of Osaka, offers adipose-derived mesenchymal stem cell therapy as a private (self-pay) treatment. This article is general information for international patients and residents of Japan, and it does not replace a medical examination.
The short answer: eligibility is decided by a doctor, case by case
Adipose-derived stem cell therapy is a regenerative treatment in which a small amount of your own fat tissue is collected, mesenchymal stem cells are cultured and expanded at a specialized facility, and the cells are later returned to your body by intravenous infusion. Because the cells come from you, the process is tailored to an individual, and so is the decision about whether to proceed.
In practice, this means that interest in the treatment is the starting point, not the conclusion. A physician looks at your condition, your medical history, your current treatments, and your goals before discussing whether the therapy is worth considering. Some people may be advised to try other approaches first, and some may be advised not to proceed at all. Hearing that is part of a responsible consultation.
What a doctor typically wants to understand
Although each clinic has its own process, a first consultation for a regenerative treatment generally revolves around a few themes. Preparing short, clear answers in advance can make the conversation more productive, especially if you will be using an interpreter or traveling from overseas.
- The condition or symptoms that brought you to consider treatment, and how long you have had them
- Diagnoses you already have, including imaging or test results if available
- Treatments you have tried so far and how you responded
- Your full medication list, including supplements and blood thinners
- Past surgeries, allergies, and any history of serious illness, including cancer
- Your expectations, and what you hope would change in daily life
Bringing records in English or Japanese, or translated summaries, helps the physician form an accurate picture. If anything is unclear, ask the clinic in advance which documents are useful.
Why your own health background matters
Mesenchymal stem cells have been reported in research to release anti-inflammatory substances and growth factors that may support the repair of damaged tissue. Studies, including work on osteoarthritis, continue to be published worldwide, but results vary between studies, and a single report should not be read as a prediction for any one person.
Individual factors can influence both the process and the response. Age, overall health, inflammation levels, lifestyle, and the condition being addressed can all play a role. The number and quality of cultured cells can also differ from person to person. For these reasons, a careful physician will avoid promising a particular result and will explain the uncertainty openly.
Safety review also matters. Anyone with an active infection, a history of cancer, a bleeding tendency, or certain chronic illnesses may need extra evaluation, and in some cases the treatment may not be appropriate. These are decisions for the treating doctor, based on an examination and, where needed, blood tests.
Understanding the Japanese framework before you decide
In Japan, regenerative medicine of this kind is provided under the Act on the Safety of Regenerative Medicine, which requires a treatment plan to be reviewed and submitted to the authorities and requires cells to be handled at qualified processing facilities. This legal framework is one reason many international patients look at Japan, but it is not a guarantee of any outcome, and it does not mean every treatment carries the same level of evidence.
It is also important to know that this therapy is a self-pay treatment and is not covered by Japan’s national health insurance. Fees, the number of sessions, the treatment period, possible side effects, and risks should all be confirmed with the doctor before you agree to anything. Ask for these details in writing, and take time to consider them.
Regenerative therapy is not a replacement for standard medical care. If you are currently receiving treatment for a condition, continue to follow your primary physician’s guidance and let the clinic know what you are taking.
Questions worth asking at your consultation in Osaka
A consultation is a two-way conversation. The following questions can help you judge whether the clinic’s explanation is clear, balanced, and suited to your situation.
- Based on my history, is this treatment reasonable to consider, and are there alternatives I should weigh first?
- What is known and what is still uncertain about this therapy for my condition?
- What are the possible side effects and risks, and how are they managed?
- How many visits are needed, and how long will I need to stay in or near Osaka?
- What is the full cost, and what is included in it?
- What follow-up is available after I return home?
If language is a concern, check in advance what support is offered. Grand Green Osaka Umekita Clinic provides a dedicated information page for international patients, which can be a useful place to start before you book.
Summary: come prepared, and expect an honest answer
Whether adipose-derived stem cell therapy fits your situation cannot be settled by reading online. It depends on your health, your goals, and a physician’s judgment after an examination. Gathering your records, listing your medications, and writing down your questions will help you get the most out of the first appointment.
If you are considering this option, review the treatment page for the flow of care, fees, and frequently asked questions, and then speak with a doctor at the clinic in Umeda, Osaka. The details of cost, risks, and side effects should always be confirmed directly with your physician before you make a decision.
- Doctor decidesCase-by-case review
- Bring recordsHistory and medications
- Self-pay careConfirm costs and risks
- Ask questionsAlternatives and follow-up
This figure is a conceptual diagram that summarizes the article
References
- PMC: Long-term safety of intravenous human umbilical cord blood-derived mesenchymal stem cell therapy in rheumatoid arthritis: a 5-year follow-up study. (2026)
- PMC: Adipose-derived mesenchymal stem cells and their derivatives in inflammatory skin diseases: a systematic review. (2025)
- PMC: A review of adipose-derived mesenchymal stem cells' impacts and challenges: metabolic regulation, tumor modulation, immunomodulation, regenerative medicine and genetic engineering therapies. (2025)
- PMC: Scintigraphic tracking of (99m)Technetium-labelled equine peripheral blood-derived mesenchymal stem cells after intravenous, intramuscular, and subcutaneous injection in healthy dogs. (2021)
- MHLW (Japan): Regenerative Medicine — Ministry of Health, Labour and Welfare, Japan
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.