Regenerative treatment
Evidence status: ExperimentalStem Cell Therapy for Erectile Dysfunction
Can stem cells treat erectile dysfunction?
Stem cells are being studied as a regenerative approach for ED, but they are not an established treatment. Studies so far are small and varied, and no success rate can be promised. The 2026 EAU guideline considers the evidence for stem-cell therapy in ED insufficient for routine clinical use. Any use should follow specialist assessment and detailed informed consent.
Key fact: The 2026 EAU guideline considers the evidence for stem-cell therapy in ED insufficient for routine clinical use. (European Association of Urology, 2026; page updated )
This page explains the idea behind stem-cell therapy, what is known and unknown, and how the clinic decides whether to discuss it with you.
Private & confidential enquiry. You do not need to call.
Key takeaways
- Experimental. It is not a standard ED treatment.
- Sources, preparation and procedures differ widely between clinics.
- The clinic assesses your cause of ED first, and discusses established options before regenerative ones.
What are stem cells?
Stem cells are cells that can develop into other cell types and release signalling molecules. In regenerative medicine, researchers study whether they can support the repair of damaged tissue.
Why is regenerative erectile dysfunction treatment being studied?
In many men, ED involves damage to blood vessels, nerves or the smooth muscle in the penis. Tablets treat symptoms but do not repair these tissues. Researchers are therefore testing whether cell-based therapies could support repair.
The proposed mechanisms include supporting blood-vessel growth, protecting tissue and releasing growth factors. These are hypotheses. Human evidence is still limited.
Who may be considered, and who may not
May be considered
Selected men with organic ED, after assessment, for whom established options were unsuitable or ineffective, who understand the treatment is experimental.
May not be suitable
Men with active infection, some blood disorders, current cancer or an unassessed cause of ED, among other reasons. The doctor screens for these.
Needs review first
Men with untreated heart disease, diabetes or hormonal problems, or recent pelvic surgery, should be assessed before any regenerative treatment.
Not a priority
ED mainly due to psychological factors or to a medicine usually needs a different approach first.
Stem cells, PRP and exosomes: what is the difference?
| Aspect | PRP (P-Shot) | Stem cells | Exosomes |
|---|---|---|---|
| What it is | Concentrated platelets and plasma from your blood | Cells or a cell-based preparation | Tiny vesicles released by cells |
| Proposed role | Growth-factor signalling | Cell signalling and support of repair | Messenger signalling between cells |
| Standardisation | Preparation varies between systems | Sources and methods vary widely | Products and methods vary; human data very limited |
| ED status | Experimental; EAU: clinical trials only | Experimental; evidence insufficient | Investigational; very limited human evidence |
Assessment, procedure and recovery
Details depend on the protocol. The clinic explains its exact source, preparation and procedure at assessment, with written consent.
Assessment
History, examination and, when useful, penile Doppler and blood tests.
Discussion of options
Established treatments first, then whether a regenerative approach is appropriate.
Informed consent
Written information on the product, procedure, risks, evidence and alternatives.
Procedure and aftercare
If offered, the procedure is explained step by step, with written aftercare. Recovery instructions come from the doctor.
How stem cells compare with other treatments
The most appropriate treatment depends on the underlying cause of ED.
| Treatment | Typical candidate | Invasiveness | Number of sessions | Recovery | Primary treatment concept | Clinical assessment required |
|---|---|---|---|---|---|---|
| P-Shot (PRP) | Selected men with organic ED after assessment | Minimally invasive (injection) | Protocol varies; confirmed at assessment | Usually short; instructions given by the clinician | Injected platelet-rich plasma, proposed to support tissue repair | Yes |
| Shockwave / EdSWT | Vasculogenic ED; some partial responders to tablets | Non-invasive (no injection) | Clinic protocol: 12 sessions over about 2 to 3 months | No downtime expected for most men; confirmed by the clinic | Low-intensity shockwaves, proposed to support blood-flow pathways | Yes |
| Stem Cell | Selected men when established options were unsuitable or ineffective | Minimally invasive; may involve cell collection | Individualised; explained at assessment | Depends on the procedure; confirmed by the clinic | Cell-based preparation, proposed to support tissue repair | Yes |
| Exosome | Men asking about an investigational option | Minimally invasive if offered | Not established; confirmed only if offered | Confirmed if offered | Cell-derived vesicles, proposed to support repair signalling | Yes |
| PDE5 medication (e.g. sildenafil, tadalafil) | Many men with ED, unless contraindicated (for example with nitrates) | Non-invasive (tablet) | Ongoing, as needed or daily depending on the medicine | None | Increases the blood-flow response to sexual stimulation | Yes (prescription, with a health check) |
| Penile injections (e.g. alprostadil) | Men for whom tablets are unsuitable or ineffective | Self-injection after training | As needed before sex | None | Medicine injected into the penis to produce an erection | Yes (training and dose setting) |
| Penile implant | Severe or refractory ED after other options | Surgical | One operation | Surgical recovery; instructions given by the surgeon | A device placed in the penis that allows an erection | Yes (surgical assessment) |
A guide for discussion with your urologist, not a ranking or recommendation. Regenerative therapies are experimental or investigational for ED.
Your physician
Dr. Niyazi Umut Özdemir
Urological Surgeon, UZ Clinic Antalya
Responsible for assessment and treatment planning at the clinic, with a clinical focus on male sexual health and penile rehabilitation.
Rated 4.5 on Google (47 reviews, as of 2 Oct 2026)Qualifications
- • Medical education at Ege University
- • Specialisation in urology
- • Turkish Association of Urology board certification
- • Clinical practice in Antalya, Turkey
Clinical focus
- • Erectile dysfunction assessment and treatment planning
- • Penile rehabilitation
- • Vasculogenic (blood-flow related) erectile dysfunction
- • Shockwave therapy, PRP and regenerative approaches
Education and roles
- • Ege University Faculty of Medicine (2000); urology specialisation, Ege University (2005)
- • Head of the Antalya branch, CİSED
Professional memberships
- • Turkish Urological Association
- • Society of Urological Surgery (Ürolojik Cerrahi Derneği)
- • European Association of Urology (EAU)
- • Turkish Andrology Association
- • Aegean Urological Association (Ege Üroloji Derneği)
- • Ankara Urologists Association
Ask the urologist about your case
Send your history and the clinic will advise which options may be relevant. Suitability is decided after medical assessment.
Frequently asked questions
What is penile stem cell therapy?
Penile stem cell therapy is an experimental approach in which a cell-based preparation is injected into penile tissue with the aim of supporting tissue repair. It is not an established ED treatment, and protocols differ between clinics.
Are stem cells proven for erectile dysfunction?
No. Evidence is limited and the guideline considers it insufficient for routine use. No success rate can responsibly be promised.
What is the difference between stem cell therapy and PRP?
PRP is concentrated platelets from your blood. Stem-cell approaches use cells or cell-based preparations. Both are experimental for ED.
Is stem cell therapy safe?
Risks depend on the source and the procedure. The doctor explains them in writing. Long-term safety data in ED are limited.
Do I need to try tablets first?
Established options are usually discussed first. The doctor decides what is appropriate for your case.
Can stem cell therapy enlarge the penis?
No. The clinic does not claim that it does.
Sources
- EAU Guidelines on Sexual and Reproductive Health: Management of Erectile DysfunctionEuropean Association of Urology, 2026 · Guideline
- Erectile Dysfunction: AUA GuidelineAmerican Urological Association, 2018 · Guideline
- PRP for the Treatment of Erectile Dysfunction (NCT04350125)ClinicalTrials.gov, Current record · Trial registry
Related guides
Send your case for confidential review
You do not need to know which treatment you need. Share a few details and the clinic can advise which options may be relevant to your case.
- 1. Send your caseAbout 2 minutes, private.
- 2. Coordinator contacts youBy WhatsApp, phone or email.
- 3. Doctor assessmentThe urologist decides suitability.
Private & confidential enquiry. You do not need to call.
This page provides general information and does not diagnose ED or decide whether a treatment is suitable for you. Suitability and expected benefit vary between patients and are decided after medical assessment. Treatments described as experimental or investigational are discussed with full informed consent. Seek urgent care for chest pain, new neurological symptoms, penile injury or an erection lasting more than four hours.