Hair Restoration Blog

Avodart (dutasteride) and Propecia (finasteride) have recently been in the news for the report of some studies regarding their role in increased or decreased risk of prostate cancer.  Avodart and Propecia are both 5-alpha reductase inhibitors (5-ARI), which help prevent production of DHT (dihydrotestosterone).  This class of medications is indicated for the treatment of benign prostate (BPH) hypertrophy.  These DHT blockers also help with the prevention of male patterned hair loss and have been recommended and prescribed for hair loss treatment, for many years.

On one hand, several studies have indicated that DHT blockers could decrease the rate of prostate cancer.  On the other hand,  there are some studies that indicate they may increase the incidence of high-grade prostate cancers.  Those studies performed on both finasteride (7 years study) and dutasteride (4 years study).  It has been concluded that the patients who take DHT blockers should have prior knowledge of whether they have a lower risk of prostate cancer.  However, if the patient gets prostate cancer it might be in a category which is more advanced.

Doctors should be aware DHT blockers can decrease the levels of PSA artificially, so a small increase in PSA levels might reflect a higher activity of prostate tissue in comparison to patients who are not on DHT blockers. Overall, it is good practice to make sure all patients age 50 and older have a baseline PSA reading before they get started on finasteride.  This will determine their PSA levels before they begin taking medications, and the doctor will be able to monitor changes in PSA with greater precision.

Q:

Hi Dr. Mohebi,

I am a male to female transgender patient of yours.  I was doing some research and I wondered if I should use Dutasteride in the form of Avodart instead of Finisteride in the form of Proscar. Here is the link I found: http://en.wikipedia.org/wiki/Dutasteride
This wikipedia artical inidicates that Dutasteride inhibits both isoforms of 5-alpha reductase, Type I and Type II, while finasteride only inhibits Type II.  Some early studies showed that Dutasteride is more effective.
I’m curious to know your opinion of taking this drug, and if it will have any effect of regenerating any of my lost hair?  While Finisteride seems to have mostly abated hair loss, I haven’t seen any kind of re-growth.

Thank you so much

A:

Dutasteride has been studied for its effect on hair loss prevention and prevention of miniaturization process.  The studies show that Dutasteride is more potent for hair loss treatment in comparison to finasteride.  Having said that, dutasteride (Avodart) has never been approved by FDA for hair loss treatment partially due to its side effects that are more commonly seen.

Dutasteride is FDA approved for Benign Prostate Hypertrophy (BPH) treatment.  It might become approved for hair loss in the future, but until then I do not prescribe it for my patients on a regular basis.
Since you are a transsexual person and you are going through medical treatments and sex reassignment surgeries and until you have your testosterone, you can use dutasteride instead of finasteride for a more complete male hormone blockage as long as you understand that you may have a higher risk of experiencing the sexual side effects.

What is Saw Palmetto?

Saw Palmetto is an extract of the fruit of Serenoa Repens. It is rich in fatty acids and phytosterols. It has been used in alternative medicine for a variety of indications, most notably benign prostatic hyperplasia (BPH).

Indications:

Prostate treatment

Saw Palmetto has also been used in treatment of benign prostatic hyperplasia (BPH), a condition known by enlarged prostate size to the degree that it makes urinating difficult.

Hair loss prevention

The role of Saw Palmetto in hair loss prevention has also been documented. Saw Palmetto is one of the few effective herbal treatments that can reverse hair loss process in some people to some degree and slow down the process of  balding in men. Saw Palmetto bio active ingredients prevent conversion of testosterone into dihydrotestosterone (DHT).

That is how Saw Palmetto helps to stop the process of balding on the hair follicle level. It can help increase the thickness of miniaturized hair and make them grow longer. The Saw Palmetto effect is comparable to finasteride or other DHT blockers by mechanism. Saw Palmetto is available in oil extract for topical use on scalp or as pills used for prostate enlargement treatment.