AU2002324816A1 - D-Mannose Contraceptives - Google Patents
D-Mannose ContraceptivesInfo
- Publication number
- AU2002324816A1 AU2002324816A1 AU2002324816A AU2002324816A AU2002324816A1 AU 2002324816 A1 AU2002324816 A1 AU 2002324816A1 AU 2002324816 A AU2002324816 A AU 2002324816A AU 2002324816 A AU2002324816 A AU 2002324816A AU 2002324816 A1 AU2002324816 A1 AU 2002324816A1
- Authority
- AU
- Australia
- Prior art keywords
- mannose
- contraceptive
- female
- sperm
- egg
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 title claims description 49
- 239000003433 contraceptive agent Substances 0.000 title claims description 16
- 229940124558 contraceptive agent Drugs 0.000 title description 3
- 230000002254 contraceptive effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 239000002775 capsule Substances 0.000 claims description 11
- 230000003993 interaction Effects 0.000 claims description 10
- 241001465754 Metazoa Species 0.000 claims description 7
- 230000002401 inhibitory effect Effects 0.000 claims description 6
- 239000006187 pill Substances 0.000 claims description 6
- 230000003054 hormonal effect Effects 0.000 claims description 5
- GZCGUPFRVQAUEE-KVTDHHQDSA-N aldehydo-D-mannose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)C=O GZCGUPFRVQAUEE-KVTDHHQDSA-N 0.000 claims description 4
- 239000006071 cream Substances 0.000 claims description 4
- 229940059082 douche Drugs 0.000 claims description 4
- 235000013305 food Nutrition 0.000 claims description 3
- 235000015110 jellies Nutrition 0.000 claims description 3
- 239000008274 jelly Substances 0.000 claims description 3
- 230000001568 sexual effect Effects 0.000 claims description 3
- 230000037406 food intake Effects 0.000 claims description 2
- 235000013601 eggs Nutrition 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 208000015181 infectious disease Diseases 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 241000283073 Equus caballus Species 0.000 description 2
- 241000282412 Homo Species 0.000 description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
- 229930006000 Sucrose Natural products 0.000 description 2
- 201000003146 cystitis Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 208000019206 urinary tract infection Diseases 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 201000009273 Endometriosis Diseases 0.000 description 1
- 241000283086 Equidae Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 235000013330 chicken meat Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 235000013681 dietary sucrose Nutrition 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000009027 insemination Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229940041678 oral spray Drugs 0.000 description 1
- 239000000668 oral spray Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 210000004994 reproductive system Anatomy 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000014214 soft drink Nutrition 0.000 description 1
- 230000008010 sperm capacitation Effects 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 230000009044 synergistic interaction Effects 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 210000001635 urinary tract Anatomy 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
D-MANNOSE CONTRACEPTIVES
This application claims priority under 35 U.S.C Section 119(e) to U.S. Provisional Application Serial No. 60/315,661, filed August 29, 2001.
FIELD OF THE INVENTION [1] The present invention relates to the use of D-Mannose to inhibit or prevent the uniting of a sperm and egg in conception. The presence of excess mannose in a reproductive system inhibits sperm capacitation.
BACKGROUND OF THE INVENTION
[2] The search for effective contraceptives that are both inexpensive and without undesired side effects has been a long standing activity. It has been noted that there is a D-Mannose binding constituent of human sperm surfaces. It has also been shown that D-Mannose is very useful in alleviation of the urinary tract, infection and cystitis. The present invention concerns the use of D-Mannose administration to a woman as a method of inhibiting conception.
DESCRIPTION OF PREFERRED EMBODIMENT
[3] D-Mannose has been widely used in the feed industry to treat and prevent urinary tract infections by inhibiting the adherence of bacteria to membranes or cell walls. Interactions between proteins and D-Mannose in the acrosome of mice, rats, horses chickens humans and other animals, appear to be related to adherence of the sperm to the egg. Various studies have been performed, some indicating that D-Mannose causes greater adherence of sperm acrosome to eggs and others that it causes less adherence. In any case, the present invention involves the inhibition of conception while also preventing or alleviating urinary tract infections or cystitis.
[4] It is understood that a certain amount of silica is well known to those skilled in the art to prevent D-Mannose from compacting upon exposure to moisture. Thus silica is useful to mix with D-Mannose powder prior to encapsulation.
[5] It has been noticed that equine artificial insemination often results in endometriosis which is a painful infection of the uterus. To protect against infection, the equine sperm was placed in a mannose solution. While infection was avoided, it was also observed that conception did not occur in the treated animals. D-Mannose in sufficient quantities at the appropriate times appears to prevent conception (at least sometimes) by inhibiting the sperm from adhering or attaching to the egg via acrosome of the sperm. In one preferred embodiment the present invention involves oral administration, preferably in capsule form, of D-Mannose to a female with the possibility of sexual intercourse in the near future. One preferable dosage for an average adult female human would involve the ingestion of about three (3) capsules, each containing about 420 milligrams of D-Mannose about every two (2) hours beginning about a day before intercourse. This may be reduced to about 2-3 of such capsules about one hour before intercourse and about the same dosage about one hour after. The oral spray of a D-Mannose solution may also be used. Such dosages and timing may vary to a significant extent to be most effective. The useful dose for an
average adult female human would range from about 1 gram to about 10 grams of D-Mannose per day. Useful doses for other animals can be determined by scaling the relative to the other animal's weight relative to average adult female humans. The administration of D-Mannose to domestic or wild animals may be done to inhibit animal population growth. Such administration may be in water, salt or foods.
[6] The inventor envisions soft drinks or alcohol-containing beverages supplemented with D- Mannose and useful to lessen the possibility of conception.
[7] While capsules are preferred at the present time, it is conceivable that D-Mannose may be utilized simply as a powder addition to drinks or foods. The dosages could be supplemented or replaced by a mannose-containing contraceptive jelly, douche or intravaginal cream, or the like. What is important is for the subject woman to gain an internal concentration of mannose efficient to inhibit the fertilizing interaction of sperm with the egg.
[8] While the exact mechanism of this contraceptive effect is incompletely defined, it is not essential to the understanding or use of the present invention. The present invention, involves the successful inhibition of sperm-egg interaction to prevent or reduce the likelihood of conception by the presence of a sufficient quality of D-Mannose. It is believed that D-Mannose binds to sites on the sperm which are used by the sperm in its interaction with the egg in a way in which common table sugar, sucrose, and most other commonly used sugars do not. While D- Mannose is most preferably used in capsules, tablets or powders may also be used. Douches containing D-Mannose may be used alone or in combination with oral D-Mannose to inhibit effective sperm egg interaction. D-Mannose dosages are also usable to enhance the effectiveness of other contraceptive methods such as condoms, diaphragms, hormonal pills, etc. D-Mannose
may be supplied vaginally with a diaphragm, or a condom that contains D-Mannose. It may be supplied taken with separate hormonal pills or in pills which are combined with hormonal pills. D-Mannose douches or intervaginal creams are effective means of delivering the D-Mannose particularly if used within one day before or soon after intercourse. The closer in time to the intercourse the vaginal applications are made, the more effective the application. Women of child-bearing/age not desiring to become pregnant should take a constant maintenance dose of D-Mannose.
[9] Because the D-Mannose binds to sperm in a manner which, at some concentration, makes the sperm less efficient in penetrating the egg, there is a synergistic interaction with other contraceptive applications which also prevent conception by preventing sperm from penetrating the egg.
[10] Although the invention has been described with reference to specific embodiments, this description is not meant to be construed in a limited sense. Various modifications of the disclosed embodiments, as well as alternative embodiments of the inventions will become apparent to persons skilled in the art upon the reference to the description of the invention. It is, therefore, contemplated that the appended claims will cover such modifications that fall within the scope of the invention.
Claims (12)
1. A method for inhibiting conception comprising, administering D-Mannose to a female in an amount effective to inhibit interaction between a sperm and an egg of said female.
2. The method of Claim 1 wherein the D-Mannose is in an amount between about lgram and about 10 grams per day.
3. The method of Claim 1 where D-Mannose is in the form of a capsule or tablet.
4. The method of Claim 1 wherein the D-Mannose is in the form of a loose power and is mixed with a food or drink.
5. The method of Claim 1 further comprising a supplementary D-Mannose douche within one day prior to or one day after sexual intercourse.
6. The method of claim 1 further comprising use of at least one contraceptive from the group consisting of a condom, diaphragm, hormonal pill, contraceptive jelly, intervaginal cream, and douche the D-Mannose and the contraceptive being more efficient at preventing conception than either the D-Mannose or the contraceptive used separately.
7. D-Mannose in an amount effective to inhibit interaction between a sperm and an egg for use as a contraceptive when administered to a woman.
8. Capsules containing D-Mannose in an amount effective to inhibit interaction between a sperm and an egg for use as a contraceptive when administered to a woman.
9. A method of inhibiting conception comprising administering D-Mannose to a female in an amount effective to inhibit interaction between a sperm and a egg of said female wherein the step of administering said D-Mannose comprises vaginally delivering said D- Mannose to said female.
10. The method of Claim 9 further comprising use of at least one contraceptive selected from the group consisting of a condom, diaphragm, hormonal pill, contraceptive jelly, intravaginal cream, and douche, the D-Mannose and the contraceptive being more efficient at preventing conception than either the D-Mannose or the contraceptive used alone.
11. The method of Claim 1 where the female is a wild or domestic animal.
12. A method for inhibiting conception comprising administering D-Mannose to a female in an amount effective to inhibit interaction between a sperm and an egg of said female wherein said D-Mannose is administered in the form of a capsule or tablet, said D-Mannose is administered within one day prior to or one day after sexual intercourse and wherein the administration is by means of the female ingesting about three capsules, each capsule containing about 420 milligrams of D-Mannose about every two hours beginning about a day before said intercourse, ingestion being reduced to two or three of such capsules about one hour before intercourse and about the same dosage about one hour thereafter.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31566101P | 2001-08-29 | 2001-08-29 | |
| US60/315,661 | 2001-08-29 | ||
| PCT/US2002/027463 WO2003020288A1 (en) | 2001-08-29 | 2002-08-29 | D-mannose contraceptives |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2002324816A1 true AU2002324816A1 (en) | 2003-06-05 |
| AU2002324816B2 AU2002324816B2 (en) | 2009-09-17 |
Family
ID=23225485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2002324816A Ceased AU2002324816B2 (en) | 2001-08-29 | 2002-08-29 | D-mannose contraceptives |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US6753319B2 (en) |
| EP (1) | EP1429786B1 (en) |
| CN (1) | CN1578666A (en) |
| AT (1) | ATE544456T1 (en) |
| AU (1) | AU2002324816B2 (en) |
| CA (1) | CA2506944C (en) |
| ES (1) | ES2382242T3 (en) |
| MX (1) | MXPA04002950A (en) |
| NZ (1) | NZ532004A (en) |
| WO (1) | WO2003020288A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2382242T3 (en) * | 2001-08-29 | 2012-06-06 | Bio-Tech Pharmacal, Inc. | D-mannose contraceptives. |
| US20050020510A1 (en) * | 2002-08-29 | 2005-01-27 | Benedict Dale L. | D-mannose contraceptives |
| US20040147459A1 (en) * | 2002-10-23 | 2004-07-29 | Joseph Oneal | Method and composition for maintaining urinary tract health in the face of infections |
| JP4488852B2 (en) * | 2004-09-17 | 2010-06-23 | 味の素ゼネラルフーヅ株式会社 | Composition having body fat reducing action |
| KR101300336B1 (en) * | 2006-01-24 | 2013-08-28 | 아지노모또 제네럴 푸즈, 인크. | Composition having effect of lowering blood pressure and/or inhibiting increase in blood pressure and food and drink containing the same |
| US8063026B2 (en) * | 2006-04-06 | 2011-11-22 | Richard Katz | Method of palliating lower urinary tract infections by treatment with mannan oligosaccharides |
| JP4771882B2 (en) * | 2006-07-21 | 2011-09-14 | 味の素ゼネラルフーヅ株式会社 | Composition having action of treating, preventing or ameliorating diabetes or diabetic complication and beverage containing the same |
| US20220105032A1 (en) * | 2020-10-07 | 2022-04-07 | Uqora, Inc. | Beverage unit and method to provide the beverage unit |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4511558A (en) * | 1983-05-16 | 1985-04-16 | University Patents, Inc. | Alpha-lactalbumin contraceptive |
| JPH04334320A (en) * | 1991-05-10 | 1992-11-20 | Nakano Vinegar Co Ltd | Composition having intestinal function controlling action |
| US5994086A (en) | 1994-03-30 | 1999-11-30 | North Shore University Hospital | Method for assessing infertility by binding of mannose to sperm cells |
| US5854254A (en) | 1994-03-30 | 1998-12-29 | North Shore University Hospital | Male contraceptives |
| US5939279A (en) | 1997-09-18 | 1999-08-17 | The Board Of Trustees Of The University Of Arkansas | Inhibition of bacterial binding by high-mannose oligosaccharides |
| ES2382242T3 (en) * | 2001-08-29 | 2012-06-06 | Bio-Tech Pharmacal, Inc. | D-mannose contraceptives. |
| US20050020510A1 (en) * | 2002-08-29 | 2005-01-27 | Benedict Dale L. | D-mannose contraceptives |
-
2002
- 2002-08-29 ES ES02759484T patent/ES2382242T3/en not_active Expired - Lifetime
- 2002-08-29 US US10/231,399 patent/US6753319B2/en not_active Expired - Lifetime
- 2002-08-29 NZ NZ532004A patent/NZ532004A/en not_active IP Right Cessation
- 2002-08-29 AT AT02759484T patent/ATE544456T1/en active
- 2002-08-29 WO PCT/US2002/027463 patent/WO2003020288A1/en not_active Ceased
- 2002-08-29 AU AU2002324816A patent/AU2002324816B2/en not_active Ceased
- 2002-08-29 EP EP02759484A patent/EP1429786B1/en not_active Expired - Lifetime
- 2002-08-29 CA CA2506944A patent/CA2506944C/en not_active Expired - Fee Related
- 2002-08-29 CN CNA028215036A patent/CN1578666A/en active Pending
- 2002-08-29 MX MXPA04002950A patent/MXPA04002950A/en active IP Right Grant
-
2004
- 2004-03-26 US US10/810,522 patent/US20040180839A1/en not_active Abandoned
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