The prostate or prostate gland is an important male sex organ. In this function, the prostate takes over regulatory processes, but it can also lead to various symptoms. What is the prostate gland? Schematic diagram showing the anatomy of a healthy prostate and an enlarged prostate. Click to enlarge. The prostate gland is also known … Prostate: Structure, Function & Diseases
Symptoms Erectile dysfunction or so-called erectile dysfunction refers to the persistent or recurrent inability to achieve or maintain an erection, which is necessary for sexual activity. This makes sexual intercourse impossible and severely limits sexual life. For the affected man, erectile dysfunction can be a great psychological burden. It can trigger stress, negatively affect self-esteem … Erectile Dysfunction: Causes and Treatment
Products Abiraterone is commercially available in the form of film-coated tablets (Zytiga). It has been approved in many countries since 2011. Structure and properties Abiraterone acetate (C26H33NO2, Mr = 391.5 g/mol) exists as a white crystalline powder that is practically insoluble in water. It is a prodrug and is rapidly biotransformed in the body to … Abiraterone Acetate
Products 5α-Reductase inhibitors are commercially available in many countries in the form of film-coated tablets and capsules. Finasteride was the first agent from this group to be approved in 1993 (USA: 1992). There are two finasteride drugs on the market. One with 5 mg for the treatment of prostate enlargement (Proscar, generic) and one with … 5Α-Reductase Inhibitors
Products Antiandrogens are mainly commercially available in the form of tablets, capsules, and injectables. Among the first steroidal agents was cyproterone acetate, which was patented in the 1960s. Flutamide was the first non-steroidal agent to be approved in the 1980s. Structure and properties A distinction is made between antiandrogens with a steroidal structure (like the … Antiandrogens
Products Transdermal patches are approved as medicinal products. They offer themselves as an alternative to other modes of application such as peroral and parenteral administration. The first products were launched in the 1970s. Structure and properties Transdermal patches are flexible pharmaceutical preparations of varying sizes and thinness that contain one or more active ingredients. They … Transdermal Patches
Products In many countries, no finished medicinal products containing alfatradiol are commercially available. In Germany, preparations for external use are available (e.g., Ell-Cranell). Structure and properties Alfatradiol (C18H24O2, Mr = 272.4 g/mol) or 17α-estradiol is a stereoisomer of the female sex hormone 17β-estradiol. Effects Alfatradiol inhibits the enzyme 5α-reductase, thereby inhibiting the synthesis of the … Alfatradiol
Products No medicines containing clostebol are approved in many countries. Products available in some countries – for example, Italy and Brazil – include Trofodermin cream, a fixed combination with the antibiotic neomycin. Structure and properties Clostebol (C19H27ClO2, Mr = 322.9 g/mol) is a derivative of the male sex hormone testosterone chlorinated at position 4. Trofodermine … Clostebol
Products Finasteride is commercially available as film-coated tablets (prostate: Proscar, generic, 5 mg; hair loss: Propecia, generic, 1 mg). It has been approved in many countries since 1993. Propecia was launched five years later, in 1998. Structure and properties Finasteride (C23H36N2O2, Mr = 372.5 g/mol) is a 4-azasteroid and structurally related to testosterone. It exists … Finasteride
Effects Aphrodisiac Medical indications To promote sex drive or potency. Erectile dysfunction in men “Hypoactive Sexual Desire Disorder” (decreased sexual drive). Active ingredients Use v.a. in erectile dysfunction: phosphodiesterase-5 inhibitors increase blood flow to the corpus cavernosum of the penis and act only during sexual stimulation: Sildenafil (Viagra) Tadalafil (Cialis) Vardenafil (Levitra) Prostaglandins must be … Aphrodisiacs
Definition Ketones are organic compounds containing a carbonyl group (C=O) with two aliphatic or aromatic radicals (R1, R2) attached to its carbon atom. In aldehydes, one of the radicals is a hydrogen atom (H). Ketones can be synthesized, for example, by oxidation of alkoles. The simplest representative is acetone. Nomenclature Ketones are usually named with … Ketones
Products Androgens are commercially available as oral tablets and capsules, transdermal gels and transdermal patches, and injectables, among others. Testosterone was first isolated in the 1930s. Structure and properties Androgens generally have a steroidal structure and are related to testosterone. They are steroid hormones that are often present as esters in drugs. Effects Androgens (ATC … Androgens: Steroid Hormones
