One of the biggest problems with PE in general is poor documentation and the creation of statistics that live up to the established standards of medicine.
Beyond that ;
Andractim Gel is 100% DHT and has no other hormonal base. It is in fact DHT that during puberty causes the cellular growth and enlargement of the penis. What causes a cessation of growth is the down-regulation of the receptor sites.
There are many individuals who claim to have had success with a combination approach. I do feel that there may be some merit to this, but, my personal feelings remain skeptical with regards to it's ability to work equally well for everybody. There are many men who for one reason or another never reach their full size. The Andractim may in fact take these men which are not a mammoth percentage and these men who have a great number of receptors still active in fact may profit.
Personally, I would think that one could do equally well or better with injectable DHT done in a multitude of injections sub-Q. It would be a wee bit painful when done, but the sub-Q injections would compensate for the one flaw in DHT which is a very short life in the system. This would give a far higher level as the DHT spread through the tissues and was slowly absorbed and spread around. If one had active receptors, this would be the most likely to give the best result. The advantage of Andractim is that that avoids the poke, but the effectiveness of a transdermal cream and percentage losses in dosage would be much higher than with the sub-Q's.