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8 min read
March 2, 2026

What Is Stem Cell Therapy? A Patient's Complete Guide

Stem cell therapy uses the body's own regenerative cells to potentially repair damaged tissue. This guide explains how it works, what conditions it may help, and what to expect.

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StemConnect Editorial Team

StemConnect Editorial

Medical Disclaimer: This article is for informational purposes only and does not constitute medical advice. Stem cell therapy is experimental for most conditions. Always consult a licensed physician before pursuing any treatment.

What Is Stem Cell Therapy?

Stem cell therapy is a form of regenerative medicine that uses stem cells — the body's master cells — to potentially repair or replace damaged tissue. Unlike most cells in the body, stem cells have the unique ability to develop into many different cell types, from muscle cells to brain cells to blood cells.

This regenerative potential is why researchers and clinicians believe stem cells may hold promise for treating a wide range of conditions that currently have limited treatment options.

**Important:** Most stem cell therapies are experimental. They are not FDA-approved for most conditions outside of bone marrow transplants for blood disorders. Patients should carefully evaluate any clinic offering stem cell treatments.

How Does Stem Cell Therapy Work?

The basic process involves three steps:

  1. Collection — Stem cells are harvested from the patient's own body (autologous) or from a donor (allogeneic). Common sources include bone marrow, adipose (fat) tissue, and umbilical cord blood.
  1. Processing — The cells are concentrated and prepared in a laboratory or clinical setting.
  1. Administration — The processed cells are delivered to the target area, either through injection, infusion, or surgical implantation.

Types of Stem Cells Used in Treatment

| Type | Source | Common Uses |

|------|--------|-------------|

| Mesenchymal Stem Cells (MSCs) | Bone marrow, fat tissue | Orthopedic, autoimmune |

| Hematopoietic Stem Cells (HSCs) | Bone marrow, cord blood | Blood disorders |

| Platelet-Rich Plasma (PRP) | Patient's own blood | Orthopedic, cosmetic |

| Exosomes | Donor cells | Anti-inflammatory |

What Conditions Are Being Studied?

Stem cell therapy is being investigated for dozens of conditions. The most active research areas include:

  • Orthopedic conditions: Knee osteoarthritis, hip degeneration, rotator cuff injuries, spine conditions
  • Neurological conditions: ALS, multiple sclerosis, Parkinson's disease, stroke recovery
  • Autoimmune diseases: Lupus, rheumatoid arthritis, Crohn's disease
  • Cardiovascular conditions: Heart failure, peripheral artery disease
  • Metabolic conditions: Type 1 and Type 2 diabetes

What to Ask a Stem Cell Clinic

Before committing to treatment, ask these questions:

  1. What type of stem cells do you use, and where do they come from?
  2. What is the regulatory status of this treatment?
  3. Do you have published clinical data or peer-reviewed studies?
  4. What are the realistic outcomes and potential risks?
  5. What does the cost include, and are there follow-up visits?

Finding a Reputable Clinic

The StemConnect directory lists over 200 verified stem cell clinics across the United States and internationally. Use our [patient quiz](/quiz) to find clinics that match your specific condition, location, and budget.

This article is for informational purposes only and does not constitute medical advice. Consult a qualified physician before pursuing any stem cell treatment.

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