There is no reliable universal number of years. A claim of durable benefit needs long-term follow-up for the exact treatment and condition, including people who did not improve. Short-term studies cannot establish permanent benefit or justify a lifetime guarantee.
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Check the long-term evidence
Ask how many people remained under observation, whether additional treatment was needed and how researchers defined continued benefit. A follow-up publication should account for patients who could not be contacted. Clarify whether an advertised duration refers to symptoms, function or another outcome.
Questions to take to a consultation
- Which outcome was measured over time?
- How many patients remained in follow-up?
- Did other treatments contribute to the later results?
Request clear written answers and discuss unresolved points with a clinician familiar with your history before committing to a product or procedure.
Related questions
- What is the stem cell used for?
- What diseases can be cured by stem cells?
- What things can stem cells cure?
- What can stem cells currently fix or cure in 2026?
Return to the FAQ index to browse all questions and the detailed decision guides.
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For questions about the review process, availability or a written estimate, message Thailand Stem Cell Clinic. Ask how to share records securely. An enquiry does not confirm eligibility or that a particular treatment is offered.
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Sources and further reading
General information, not an individual medical recommendation. Prices, coverage, eligibility and authorisation require case-specific confirmation. Source links describe their own research and jurisdictions.