What Is the P-Shot (PRP) and What Does It Actually Offer in Andrology?
PRP, prepared from a person's own blood, is one of the most asked-about regenerative applications in andrology. How the P-Shot is prepared, which patients it suits, what the evidence says and what it does not promise.
One of the most frequently asked applications under the heading of regenerative andrology is the P-Shot — the injection of PRP (platelet-rich plasma) into penile tissue. The interest is understandable: this is a needle-based procedure, requiring no surgery, prepared from the person's own blood. The aim of this article is to explain what the application is and, with equal clarity, where its limits begin.
What is PRP and how is the P-Shot prepared?
PRP is plasma obtained from a person's own blood in which the platelet concentration has been increased. Platelets are not merely the cells that clot blood; they carry growth factors that stimulate tissue repair and the formation of new vessels. The rationale is to concentrate these growth factors in the target tissue.
The application has three steps: a tube of blood is drawn from the arm, the blood is separated in a centrifuge to obtain the platelet-rich plasma layer, and this plasma is injected into penile tissue with fine needles after local anaesthesia. It is performed in outpatient conditions, typically takes around half an hour, and the person returns to daily life the same day. Because the person's own blood is used, allergic reaction and tissue rejection are not expected — this is the main reason for the method's favourable safety profile.
Which patients are considered?
- Patients with mild to moderate erectile complaints whose vascular structure is not entirely impaired
- Patients gaining partial benefit from medication and seeking additional support
- Patients who cannot or do not wish to take medication
- Cases planned together with shockwave therapy (ESWT) as part of a regenerative programme
- Peyronie's disease, as a supportive application while the plaque has not yet matured
By contrast, no meaningful benefit should be expected in patients with advanced vascular damage, long-standing poorly controlled diabetes, significant venous leak, or erectile dysfunction due to nerve injury. In these patients the right course is to skip the step and discuss the realistic option.
What does the evidence say?
The honest framing is this: the place of PRP in andrology remains at the research stage. Published studies differ in patient numbers, preparation method, platelet concentration and application protocol, which makes their results difficult to compare. Some studies report short-term improvement in erectile scores, but it cannot be said that placebo-controlled, long-term and large-scale data are sufficient.
In practical terms: the P-Shot is not a method that replaces proven treatments — lifestyle change, control of underlying conditions, drug therapy. In a suitable patient it is an option added to these, and expectations should be framed accordingly.
How many sessions, and when is the effect seen?
Protocols vary between centres, but more than one session is usually planned, a few weeks apart. The effect is not immediate; because a tissue response is awaited, assessment is generally made at 1–3 months. In patients who respond, the duration of the effect varies from person to person and continuity cannot be guaranteed; repeat application may come into consideration after a time. This uncertainty is the natural consequence of the method being at the research stage and should be stated openly to the patient.
Risks and points to note
Because the person's own blood is used, serious adverse effects are unlikely. Temporary pain, tenderness, bruising and swelling may occur at the site; as with any injection, there is a risk of infection if sterile conditions are not observed. The application may be unsuitable in people with bleeding disorders, those on blood thinners, those with an active infection, or those with a low platelet count.
The real risk is not medical but related to expectation: approaches that present the application with promises of length, girth or performance do not reflect reality. The P-Shot is not an aesthetic enlargement procedure; its aim is to support tissue healing.
How it relates to other methods
Regenerative andrology is not a single application. Shockwave therapy (ESWT) aims to stimulate the formation of new vessels and has accumulated more evidence than PRP; stem cell and exosome applications are at an earlier research stage. These methods should be regarded not as alternatives to one another but as components of a programme built around the patient's vascular status, symptom level and expectations. The starting point of assessment is also always the same: examination that establishes the cause of the erectile problem, blood tests and, where needed, penile colour Doppler ultrasound.
Assoc. Prof. Zülfü Sertkaya practises in the field of urology and andrology in Istanbul; in regenerative applications, patient selection and the framing of expectations are determined individually, and assessments are carried out with full confidentiality.