Herbal compositions for prostate conditions

Details Herbal compositions for prostate conditions Herbal compositions for prostate conditions

2003-01-16

2004-09-14

Tate, Christopher R. (Department: 1654)

Drug, bio-affecting and body treating compositions

Plant material or plant extract of undetermined constitution...

C424S773000, C424S775000, C424S777000, C424S195160

Reexamination Certificate

active

06790464

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to compositions and methods of using them for prevention or treatment of disorders of the prostate gland. More specifically, the invention relates to compositions and methods for prevention or treatment of prostate carcinoma, benign prostate hyperplasia or prostatitis, and for relieving symptoms and improving objective signs of such prostate disorders.
2. Background of the Technology
Currently, thousands of drugs commonly used and prescribed today are either derived from a plant source or contain chemical imitations of a plant compound. Many of these medicinal formulations contain herbal components or extracts from herbs. Technically speaking, an herb is a small, non-woody (i.e., fleshy stemmed), annual or perennial seed-bearing plant in which all the aerial parts die back at the end of each growing season. As the word is more generally used and as it is used herein, an herb is any plant or plant part which has a medicinal use. Thus, the term herb is also generally used to refer to the seeds, leaves, stems, flowers, roots, berries, bark, or any other plant parts that are used for healing.
Traditionally, dietary supplements referred to products made of one or more of the essential nutrients, such as vitamins, minerals, and protein. Passage of the Dietary Supplement Health and Education Act of 1994 (DSHEA) broadened the definition to include, with some exceptions, any product intended for ingestion as a supplement to the diet. This includes vitamins; minerals; herbs, botanicals, and other plant-derived substances; and amino acids (the individual building blocks of protein) and concentrates, metabolites, constituents and extracts of these substances. Dietary supplements are usually in a dosage form such as capsules, tablets, liquids, powders, soft gels, etc. and generally are not represented as a conventional food or as a sole item of a meal or of the diet (Dietary Supplement Health and Education Act of 1994, Section Three).
The passage of DSHEA established a new regulatory framework for dietary supplements (Dietary Supplement Health and Education Act, Public L. No. 103-417, 108 Stat. 4325 (1994)). DSHEA, which amends the Federal Food Drug and Cosmetic Act, allows supplement manufacturers to make certain limited statements of nutritional support for dietary supplements including a statement that: (1) claims a benefit to a classical nutrient deficiency disease and discloses the prevalence of such disease in the U.S.; (2) describes the role of a nutrient or dietary ingredient intended to affect the structure or function in humans; (3) characterizes the documented mechanism by which a nutrient or dietary ingredient acts to maintain such structure or function; or (4) describes general well-being from consumption of a nutrient or dietary ingredient (Dietary Supplement Health and Education Act, Public L. No. 103-417 §6, 108 Stat. 4325, 4329 (1994)).
Dietary supplements are available widely through many commercial sources including health food stores, grocery stores, pharmacies, and by mail. Historically in the United States, the most prevalent type of dietary supplement was a multivitamin/mineral tablet or capsule that was available in pharmacies by prescription or “over the counter.” Supplements containing strictly herbal preparations were less widely available. Currently in the United States, a wide array of supplement products are available and they include vitamin, mineral, other nutrients, and botanical supplements as well as ingredients and extracts of animal and plant origin.
The prostate gland (or prostate) is a walnut-sized, mucous-producing organ in males that lies just below the urinary bladder. The prostate typically grows and enlarges throughout life. The only known function of the prostate is to produce a secretion that nourishes and protects the sperm during reproduction. The urethra, the canal that in most mammals discharges urine from the bladder, passes through the prostate gland. Unfortunately, this anatomical feature creates problems, often associated with difficulty in urination, as males age.
In men, the prostate gland is the source of several common disorders including prostatitis and benign prostatic hyperplasia (BPH), wherein the prostrate gland becomes inflamed or enlarged. Prostatitis is defined as an inflammation or infection of the prostate gland. While prostatitis may be acute, associated with systemic findings of fever, chills and rigors, most cases of prostatitis are chronic and tend to be incurable with relatively frequent recurrences despite optimal standard therapy. Chronic prostatitis (inflammation or infection of the prostate) is common to all adult men. It is associated with virtually all cases of prostate cancer and is present in every prostate biopsy regardless of other findings. Chronic prostatitis may not cause significant symptoms in many men, but in others it can be a devastating disease that severely affects the quality of life of those afflicted. It is difficult to diagnose and even more difficult to treat.
The most common symptom of chronic prostatitis is pelvic pain, followed by various voiding symptoms, impotence, and infertility. Pain from prostatitis is usually located in the groin, testicles, and penis, just above the rectum or in the suprapubic area over the bladder. Pain is frequently associated with ejaculation. Typical voiding symptoms produced by prostatitis include getting up at night to void (nocturia), frequency and urgency of urination, incomplete voiding, decreased force of the urinary stream, intermittency of the stream and a need to push or strain to void. Impotence or erection difficulties and male infertility are also associated with prostatitis.
U.S. Pat. No. 6,197,309 to Wheeler discloses a prostate formula composition said to provide an all-natural, non-surgical preventative of or improvement to disorders of the prostate gland, particularly, prostatitis, and for relieving symptoms and improving objective signs of prostatitis. The formula of the composition preferably includes the following ingredients each in a therapeutically effective amount: Vitamin C, Vitamin B6, Vitamin E, zinc, glycine, L-alanine, Glutamic acid, Saw palmetto, Pygeum extract, Pumpkin seed, Stinging nettle, Echinacea, garlic, Ginkgo leaves, and selenium.
According to Wheeler, supra., a wide variety of therapies for prostatitis are available, but few actually work in more than a small percentage of cases. None of the standard treatments is able to improve the health and well being of the prostate.
In the treatment of prostatitis, physicians have traditionally recommended everything from doing nothing to multiple and extended courses of antibiotics, other drugs, and lifestyle changes. Those patients who truly have an identifiable infection of the prostate benefit from antibiotics. These need to be continued for at least 6-12 weeks and, in some cases, long-term or indefinite antibiotic suppression therapy is necessary.
BPH occurs naturally in most males over 50 years of age. At this age, the male body begins to transform testosterone (male sex hormone) into dihydroxytestosterone (DHT) at higher levels within the prostate. This is primarily due to the higher levels of the enzyme reductase, which causes the conversion of testosterone to DHT. DHT has a tendency to bind to prostatic receptor cells, which ultimately results in prostate enlargement. It is usually a benign condition, and therefore, in some cases there is no need for surgery. However, enlargement of the prostate gland can cause many uncomfortable and annoying symptoms. Worsening symptoms may require prostate surgery. Nearly 400,000 prostate surgical procedures are performed annually to treat enlarged prostates. Numerous laboratories are conducting research in an attempt to find a cure for BPH.
Further, according to Wheeler, supra., treatments for prostate disorders include alpha blockers, e.g., HYTRIN (terazosin HCl, Abbott Laboratories, Abbott Park, Ill.), CARDURA (Roerig Pharmaceuticals, Alexandr

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