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With a proven track record in regenerative medicene, you're in safe hands

It is normal for some men to occasionally have difficulty in maintaining an erection. This may be due to temporary factors such as tiredness or anxiety. However, where there is a repeated inability to achieve an erection it may be due to chronic Erectile Dysfunction (ED). The impact of ED can be upsetting for men and their loved ones.

Thankfully, today there are a number of conventional treatments available and there is no need for embarrassment. Depending on the underlying causes of ED, treatment may include medications such as sildenafil, which increases blood flow to the penis. Other options may include testosterone replacement therapy or surgery.

Research suggests that stem cell treatment may also be beneficial for the treatment of ED. Where there is an established medical need, a clinician may now prescribe stem cell therapy as a regenerative treatment within the UK, in accordance with regulation by the Human Tissue Authority.

Please Note: Whilst the clinic does offer stem cell treatments, no treatment is undertaken until the patient has been reviewed by a consultant (who is a specialist in the relevant field) and approval has been given by the specialist. Patients are informed throughout the process of the limitations of stem cell treatment and it is for the patient to make a final decision in conjunction with his or her consultant.

Dr Khan Says

“Regenerative treatments are an option for people who may have already tried, or considered, conventional treatments. Research using stem cells with latest technology has shown promising results.”

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Dr Tee Says

“Stem cells are located throughout the body and act as natural healers. Studies suggest that when used for medical purposes, stem cells have the potential to accelerate tissue repair, stimulate tissue regeneration, and decrease inflammation.”

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Studies of male ageing suggest that around 5% to 15% of men aged 40 to 70 experience total erectile dysfunction; although ED can also affect younger men. Risk factors include high blood pressure, high cholesterol, diabetes, obesity, hormonal problems, metabolic syndromes, depression and emotional disorders, smoking, and heavy alcohol use.

Erectile dysfunction occurs when a healthy supply of blood is unable to flow into spongy tissue that runs along the length of the penis. Research over a number of years has shown that stem cells have the ability to regenerate tissue and improve blood flow. This suggests that stem calls have good potential for the treatment of ED.

Stem Cell Treatment for Erectile Dysfunction

Blood flow to the penis is usually stimulated by either sexual thoughts or sexual contact. The causes the muscles to relax and enables blood to flow through penile arteries, filling two chambers known as the corpora cavernosa, resulting in the penis becoming rigid. When ED occurs this function does not take place.

Stem cells are known to have the ability to change in order to become endothelial cells, nerve cells, or muscle cells, all of which are thought to play a role in erectile function. A number of clinical trials are underway to establish how stem cell therapy may be able to benefit patients who experience ED.

A review of evidence published by the International Journal of Impotence Research in April 2020 stated: "Although many treatments offer some benefits for patients with ED, unmet therapeutic needs remain, and promising new approaches are under investigation. One of these approaches is the use of stem cell therapy for ED.

Stem Cell Treatment for Erectile Dysfunction



Stem cells are special types of cell that occur naturally within the body. They have the ability to replicate themselves or develop into different types of cells through a process known as differentiation.

Hence stem cells have the potential to become new cells in order to perform specific functions. For example, they can differentiate to become blood cells or other types of cell that are active within the immune system. This process enables stem cells not only to play a unique role in the body's ability to heal itself, but also to encourage the growth of healthy tissue.


Whist stem cell therapy is relatively new, stem cells have been the subject of over 40 years of research and there have been a large number of clinical trails. A limited number of treatments for certain medical conditions are now available in the UK.

When used for medical purposes, research suggests stem cells can accelerate tissue repair, stimulate tissue regeneration, decrease inflammation, and stimulate new blood vessel growth.


There are number of effective treatments for erectile dysfunction, which your doctor can advise you upon. The precise nature of treatment may vary subject to underlying causes, and diagnosis will typically require a physical examination along with various clinical tests and a review of a patient's medical history.

Treatments commonly include medications such as sildenafil and tadalafil, which increase blood supply within the penis (these drugs are sold under brand names). Other approaches may include testosterone replacement therapy, exercises to strengthen the pelvic muscles, and in some cases psychotherapy or surgery.

Research into the use of stem cells to treat ED has also shown promising results. Further studies and trials are underway, and where doctors are in agreement, stem cell therapy may potentially be of benefit to certain patients with ED.


Stem cell therapy may be considered for people who require an alternative approach to established procedures. It may be suitable for patients aged 18 to 75, whose condition is stable enough to undergo treatment.

The first stage is to book a consultation with a qualified medical practitioner, who will assess your medical history in order to potentially make a pre-approval application. A multi-disciplinary panel of experts will then consider your application.

If you application is approved, you will then be invited undergo a full health screening and detailed tests to ensure stem cell treatment is an appropriate approach for you. Provided you pass the assessment criteria, you may then begin treatment.


Patients generally require a preparation period that may involve a number of procedures to ensure your regenerative system is at its most receptive. The stem cells can typically then be injected into the body, which depending on the nature of your condition can either be done intravenously or by intra-tissue injection; or a combination of both.


The stem cells may be either 'autologous' or 'allogeneic' and are contained in a prescription created by a regulated medical supplier. Autologous stem cells are processed after being harvested from tissue within the patient's own body, whereas allogeneic stem cells are cultured in a laboratory from a donated source. The prescription is then transferred into the patient.


Stem cell therapies are classed as nouvelle treatments or 'specials', which are a permissible category of medicines that are available to meet the clinical needs of an individual patient.

We work with LifePlus Stem Cells, who are regulated to sell and market pure stem cells products as an unlicensed medicine in accordance with quality and safety standards under its own HTA and MHRA licences (The Human Tissue Act 2004 and associated regulation/The Human Tissue (Quality and Safety for Human Application) Regulations 2007 (as amended).

The progress of stem cell patients is carefully monitored and we have a regulatory duty to report any relevant findings to the Royal Free Hospital in London, with a view to stem cell therapy becoming a standardised licensed treatment.


The Cellular & Regenerative practice in Harley Street was co-founded by Dr Aamer Khan, author of the forthcoming book, 'Aesthetic Treatments in Regenerative Medicine: Stem Cells, Stromal Vascular Fraction, Platelet Rich Plasma, and Platelet Rich Fibrin.'

Dr Aamer Khan

Qualifying as a doctor at the University of Birmingham in 1986 with an MB ChB (Bachelor of Medicine, Bachelor of Surgery), Dr Khan completed his postgraduate training in University Hospitals Birmingham. He spent 24 years working within the NHS, including many years in General Practice. In 2010, he retired from the NHS to refine protocols at the Harley Street Skin Clinic.

Dr Mike Tee

Dr Mike Tees MB, BChir, BSc (Hons), DLO, DRCOG, MRCGP, is a Cambridge medical grad and has racked up over 25 years of experience in the medical profession. Dr Tee is well regarded as an expert in Dermal Fillers, PRP, Thread Lifts, Mole Removal & dermatological minor surgery.

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Celebrity Journeys

Follow two of our celebrity patients on their journey to becoming their better selves

Every step of your journey with Harley Street Skin is handled with the utmost care and diligence. From your very first consultation, right the way through to follow up and aftercare, Harley Street Skin will guide, advise and support you at every given opportunity. We want to make sure that your time with us is as special to you, as you are to us...

Stem Cell Treatment for Knees FAQs

The answer to some of the most common questions you may have

It's only natural to have questions if you are considering pursuing a treatment for the first time, and at Harley Street Skin, it's important to us that you feel confident and comfortable at every stage of your journey. To help you find the answers you need, here are a few of the more common quibbles that we find our clients frequently ask...

We can think of stem cells as the body's own blood work building blocks. They live inside each and every one of us, and have the ability to differentiate into other cells about the body and perform their respective roles. Essentially, they work to replace damaged or lost cells as and when they are needed.

Day-to-day, they are at work constantly replenishing and renewing tissue - although, as we age or are subject to injury, our bodies are less able to provide the sheer volume needed to repair the full extent of the damage that the body has come up against. Stem cells are most powerful and potent at their embryonic stage and weaken incrementally with age. This is when we may choose to undergo stem cell treatment.

Thanks to such drastic advancements the medical arena, we may now isolate these stem cells and use them to repair localised damage by reinjecting them. They are first extracted from an area of high volume - typically from adipose fat, bone marrow or umbilical lining - propogated in lab conditions and then reinjected into specific points of injury - in this case, the damaged parts of the knee.

The full extent of what stem cell therapy is able to achieve is still yet unknown, however - at present - we are seeing very exciting improvements to knee injuries related to sport (anterior or posterior cruciate ligaments, meniscal tears, sprains etc.), arthritis in the knee, muscular dystrophy, gout and many other causes of chronic inflammation.

If you are having ongoing issues with your knees which is resulting in pain, aching, swelling, stiffness or mobility issues, stem cell treatment can offer relief. Those in need of full knee replacement may also feel the benefit of stem cell therapy, offering patients a more natural and forward-thinking alternative to surgery.

Stem cell treatment itself offers patients permanent results - of course, patients should keep in mind that it cannot prevent future injury.

Results are permanent as stem cell therapy is a regnerative treatment. This means that it prompts the growth of all-natural healing resources and makes use of no artifical materials or chemicals which have time-sensitive effects. Those all-new resources then become part of you, and will continue to serve you indefinitely!

Stem cell treatment for knees does not hurt - for either the donor or the recipient. This is because local anaesthetic is used where necessary to ensure that the patient is as comfortable as possible throughout treatment.

Those that are a little aprehensive about the use of needles may find treatment to be a little nerve-wracking, but we can assure you that pain is not a factor that you should be concerned with. As always, we will do absolutely everything in our power to keep your feeling as relaxed as humanly possible.

Stem Cells are harvested from either your own body or a nominated donor. They are found in adipose cells (fat), bone marrow, or umbilical lining (as is the case with embryonic stem cells.

Some people feel more comfortable making use of their own adult stem cells for treatment, whereas others may pursue embryonic stem cells for their significantly-higher concentration. In these instances, stem cells are harvested very soon after birth in a GMP-regulated laboratory.

All stem cells thoroughly screened for infection, genetic abnormality and disease in the lab prior to use, therefore patients needn't worry about this or about experiencing any pain whilst either donating or receving stem cells. Local anaesthetic is always used to ensure the patient is most comfortable throughout.

About The Harley Street Skin Clinic

The award winning clinic dedicated to helping you be your best self

We understand that deciding to go forward with cosmetic treatment can feel like a huge decision. One that we certainly wouldn't expect you to go ahead with without hearing a little bit about us first. Here is exactly why people around the world are happy to put their trust into Harley Street Skin Clinic.

The Harley Street Skin Clinic
Quality & Safety is our Culture

Since 2004, Harley Street Skin has been on speed dial to some of the world's highest flyers thanks to the expertise of cosmetic tour de force, Dr. Aamer Khan and wife Lesley Reynolds.

With their flagship clinic based on the world’s most famous medical strip, Harley Street Skin quickly became a medical and cosmetic frontrunner, drumming up a pristine professional reputation and impressive roster of celebrity clientele. The clinic was in fact so thriving that it gained the attention of television network SkyOne, becoming the focus of hit documentary series Stitch Me, Lift Me, Tuck Me.

Offering an expansive range of both surgical and non-surgical treatments, Harley Street Skin are renowned worldwide for their cosmetic precision, expertise and minimally invasive techniques. From top of the line body sculpting treatments and cosmetic contouring to breast enhancement and discreet anti-ageing lifts, Harley Street experts offer the A-list experience from consultation through to aftercare.

But that's not all. Harley Street Skin are also pioneering skincare specialists, offering solutions to everything from anti-ageing and resurfacing, to colour correction and hydration.

Carefully formulating the perfect regime for even the most stubborn and unusual of skin complaints, Harley Street Skin boast an acclaimed skin care range frequently making an appearance in beauty mag must-haves, health and lifestyle columns, and celebrity handbags around the world.

With highly skilled practitioners, doctors and surgeons on hand at every turn, Harley Street Skin can help you attain the aesthetic you've been dreaming of - whatever your cosmetology needs.

Dr Aamer Khan & Lesley Khan