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Penile fillers tested in 20 men for size boost

NCT ID NCT04755634

Symptom relief Sponsor: Shafer Clinic Fifth Avenue Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Aug 19, 2026 · Updated 2 times

Summary

This completed study tested hyaluronic acid fillers injected into the penis to increase width and girth in 20 healthy men aged 21 to 65. The main goal was to see if size increased after one year using 3D imaging. The treatment is a temporary cosmetic procedure, not a cure for any medical condition.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
hyaluronic acid filler
What this could lead to
If successful, this could offer a non-surgical option for men seeking temporary penile enhancement.
What could go wrong
This is a small, early study with only 20 participants, so results may not apply widely. Risks include infection, asymmetry, or filler migration.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

20 people

The number who actually took part.

Started

Apr 2021

Finished

Jun 2024

Lead sponsor

A research network

The lead sponsor is a research network or cooperative group.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

21 to 65 years

Sex

Male participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Healthy males, * 21 to 65 years of age, * Seeking enhancement of their penile width and girth. Exclusion Criteria: * Patient with a history of psychological or psychiatric illness, * Congenital or acquired penile malformation, * Previous plastic surgery or non-invasive treatments of their penis, * Any chronic disease such as vascular disorder, urological disorder, myocardial infarction, hypertension, cerebrovascular accident or coagulopathy. * Patients with a history of allergic reactions to hyaluronic acid derivatives * Individuals with penises measured less than 6 cm in length in the flaccid position * Individuals with penises greater than 12.5 cm in length in the flaccid position. * Individuals with uncircumcised penises

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Conditions

The condition(s) this trial relates to.

46,XY disorder of sex development due to 5-alpha-reductase 2 deficiency isolated micropenis penile agenesis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Micropenis

Contacts and locations

Locations

  • Shafer Clinic Fifth Avenue

    New York, New York, 10017, United States

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