EP2413923A1 - Compléments alimentaires contenant des alpha-céto-acides, pour étayer le traitement du diabète - Google Patents

Compléments alimentaires contenant des alpha-céto-acides, pour étayer le traitement du diabète

Info

Publication number
EP2413923A1
EP2413923A1 EP10710309A EP10710309A EP2413923A1 EP 2413923 A1 EP2413923 A1 EP 2413923A1 EP 10710309 A EP10710309 A EP 10710309A EP 10710309 A EP10710309 A EP 10710309A EP 2413923 A1 EP2413923 A1 EP 2413923A1
Authority
EP
European Patent Office
Prior art keywords
alpha
preparation
dietary supplement
keto acids
salts
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.)
Withdrawn
Application number
EP10710309A
Other languages
German (de)
English (en)
Inventor
Andreas Karau
Henrike Gebhardt
Norbert Windhab
Matthias Kottenhahn
Yuefei Liu
Jürgen M. STEINACKER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Evonik Degussa GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Evonik Degussa GmbH filed Critical Evonik Degussa GmbH
Publication of EP2413923A1 publication Critical patent/EP2413923A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19—Carboxylic acids, e.g. valproic acid
    • A61K31/194—Carboxylic acids, e.g. valproic acid having two or more carboxyl groups, e.g. succinic, maleic or phthalic acid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/08—Solutions
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
    • A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19—Carboxylic acids, e.g. valproic acid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
    • A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P5/00—Drugs for disorders of the endocrine system
    • A61P5/48—Drugs for disorders of the endocrine system of the pancreatic hormones
    • A61P5/50—Drugs for disorders of the endocrine system of the pancreatic hormones for increasing or potentiating the activity of insulin
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs

Definitions

  • Nutritional supplement containing alpha-keto acids to support diabetes therapy is provided.
  • the present invention relates to a preparation used as a dietary supplement containing alpha-keto acids for the supportive therapy of diabetes mellitus, in particular of type II.
  • Muscle damage, muscle regeneration, muscle hypertrophy or muscle fiber transformation include.
  • Energy and protein metabolism play a crucial role in these cellular processes. Essentially, amino acids are involved.
  • Alpha-keto acids have different functions in metabolism.
  • the keto acid analogs of branched-chain amino acids play an important role in amino acid metabolism, especially in skeletal muscle and in the liver.
  • One-third of the muscle protein consists of the branched-chain amino acids, which can not be formed by the body, but are taken up with the food have to.
  • proteins are constantly being built up and broken down, the corresponding alpha-keto acid being formed on transfer of the amino group to a carrier during the degradation of an amino acid.
  • the keto acid obtained can then be further enzymatically oxidized for energy.
  • the carrier is transported to the liver where it releases ammonia, which is converted into urea and excreted via the kidney.
  • alpha-keto acids derived from branched-chain amino acids for nutritive purposes has been known for some time.
  • alpha-ketoisocaproate ketoleucine
  • ketoleucine can be used to reduce protein breakdown in muscle and to reduce urea formation resulting from protein degradation after muscle surgery (US Pat. No. 4,677,121).
  • ketoleucine in malnutrition, muscular dystrophy or uremia or in other diseases that result in a secondary sequence protein breakdown in muscle is described there.
  • the administration of ketoleucine takes place intravenously.
  • branched-chain amino acids are used to support muscle building, e.g. in athletes, used directly (Shimomura, Y. et al., American Society for Nutrition).
  • Ammionac in the muscle, which in turn leads to fatigue phenomena.
  • the object is achieved by providing a preparation which contains at least one of the alpha-keto acids from the group alpha-ketoisocaproate (KIC), alpha-ketoisovalerate (KIV), alpha-keto-beta-methylvalerate (KMV) and alfa-ketoglutarate (AKG ) is substantially nitrogen-free and preferably contains no nitrogen-containing compounds.
  • the preparation is a dietary supplement and may contain additional vitamins and minerals.
  • Nitrogen content of the preparation is less than 6 wt .-%, preferably less than 3 wt .-%, in particular less than 0.5 wt .-%, based on the total weight.
  • alpha-keto acids their salts may also be present in the preparation according to the invention.
  • Suitable salts are in particular the alkali or alkaline earth metal salts, in particular the Na + , K + , Ca 2+ and Mg 2+ salts, of the stated alpha-keto acids.
  • a preferred embodiment represent preparations which are a combination of alfa-ketoglutarate and alpha-ketoisocaproate or alfa-ketoglutarate and alpha-ketoisovalerate or alfa-ketoglutarar and alpha-keto-beta-methylvalerate or a combination of all four alpha-keto acids and / or have their salts.
  • Preference is given to an AKG to BCKA (branched-chain keto acids) ratio of 5: 1 to 1: 5 in the preparation set, in particular 3: 1 to 1: 3, preferably 2: 1 to 1: 2.
  • the daily dose of alpha-keto acids ingested by the product should not exceed 2000 mg / kg body weight.
  • the preparation can be added to other additives.
  • compounds that promote the regeneration process such as vitamins, especially vitamin A, vitamin Bi, B 2 , B 6 and Bi 2 , vitamin C, vitamin D, vitamin E, vitamin K, pantothenic acid, niacin, folic acid, biotin, Choline and inositol.
  • antioxidants such as beta-carotene, potassium citrate, citric acid, lactic acid, tocopherol, sodium or Kaliumascorbate or ascorbic acid may be included in the preparation.
  • Minerals and trace elements from the group sodium, potassium, magnesium, calcium, iron, zinc, manganese, copper, selenium, chromium, phosphorus and iodine are also possible as additives.
  • the additives mentioned are added in the usual amounts for the food industry.
  • additives include saturated or unsaturated fatty acids, in particular C ⁇ -C 22 fatty acids, as an additive in
  • the claimed preparations can be used, for example, in the form of a powder, a tablet or in the form of a solution or suspension.
  • the alpha-keto acids or their salts are preferably formulated with about 30 to 90 percent by volume in the preparation, preferably using nitrogen-free additives, in particular hard-to-absorb carbohydrates and fats (oils), and optionally contain amino acids, in particular L-ornithine or L. -Arginine, wherein the amounts are set in the ranges of the stated nitrogen contents of the total amount of the preparation.
  • Suitable carriers are e.g. linear or (hyper) branched polyesters, polyethers, polyglycerols, polyglycolides, polylactides, polylactide-co-glycolides, polytartrates and polysaccharides, or polyethylene oxide-based dendrimers, polyether-dendrimers, coated PAMAM dendrimers, e.g. Polylactide-co-glycolide coating, or polyarylether.
  • Suitable carriers are e.g. linear or (hyper) branched polyesters, polyethers, polyglycerols, polyglycolides, polylactides, polylactide-co-glycolides, polytartrates and polysaccharides, or polyethylene oxide-based dendrimers, polyether-dendrimers, coated PAMAM dendrimers, e.g. Polylactide-co-glycolide coating, or polyarylether.
  • the powder or tablet may further be provided with a coating, e.g. allow the release of the dietary supplement only in the intestinal tract.
  • a coating e.g. allow the release of the dietary supplement only in the intestinal tract.
  • the following capsule shell materials are preferably used: carboxymethylcellulose, nitrocellulose, polyvinyl alcohol, shellac, carrageenan, alginates, gelatin, cellulose acetate, phthalates, ethylcellulose, polyglycerols, polyesters or Eudragit®.
  • the preparation is administered in the form of a solution or suspension of the dietary supplement
  • the addition of emulsifiers or colloids may be useful in order to be able to absorb all desired components as well as possible in an aqueous solution.
  • Suitable additives are, for example, polyvinyl alcohols, glycerides of fatty acids, their acetic, citric, lactic or tartaric acid esters, polyoxyethylene stearates, Carbohydrate esters, propylene glycol esters, glycerol esters or sorbitan esters of fatty acids or sodium lauryl sulfate.
  • Another object of the present invention are foods containing the claimed preparations
  • the foods may be added to the claimed preparations during their production, or later a formulation of the dietary supplement may be added to the food, e.g. in the form of a powder or a tablet.
  • a formulation of the dietary supplement may be added to the food, e.g. in the form of a powder or a tablet.
  • dissolution of effervescent tablets or a powder in mineral water can be cited here.
  • Nitrogen detoxification or ammonia detoxification in the muscle which is necessary inter alia by the protein and amino acid degradation in the muscle promoted.
  • the corresponding amino acids are generated and in turn are available for muscle growth and the energy-consuming nitrogen detoxification and excretion via the liver and kidney is reduced. Accordingly, less nitrogen-containing degradation products, such as urea, detected in the blood or urine.
  • the muscular capacity is increased or the muscle build-up is supported by the dietary supplements, since by transaminating the administered keto acids in the muscle can be transferred into the appropriate amino acids, which are there for anabolic reactions available.
  • ammonia accumulation may well affect the central nervous system with increased stress or
  • keto acids can have a psychosomatic effect on exercise, so that physical exercise can be performed with more volume and intensity and with shorter recovery time. This is particularly important for patients with diabetes mellitus type II, because the disease is often associated with lack of physical exercise and reduced exercise capacity, which among other things
  • Ammonia accumulation may be the cause. It has been found that the potentially biological function of keto acid can prevent or at least reduce accumulation of ammonia during exercise so that patients can be more active and exercise more. With increased physical training then a better glucose metabolism is expected.
  • the preparation according to the invention and this containing foods are aimed especially at diabetics who want to support the diabetes, in particular of the type II supportive by sporting activity.
  • Nitrogen removal capacity is also particularly advantageous.
  • Another object of the present invention is the use of keto acids for the preparation of orally ingestible preparations and products, such as functional food, tablets, powders, etc. for normalizing a diabetic metabolic situation in diabetics, for muscle building, for limiting the performance of the muscles, for Protection of the muscles against cell damage under stress and to increase the general well-being.
  • the Individual Anaerobic Aerobic Threshold is determined. This is done by measuring a lactate power curve with a treadmill test (training phase protocol: start 6 km / h, increase 2 km / h, which corresponds to an increase of about 25-50 watts / min, stage duration 3 min.) , Blood samples are taken before and after a training session in a 30-second break and the glucose and lactate levels are measured using a YSI 2300 STAT plus analyzer from YSI Life Sciences, Yellow Springs, USA, and the maximum oxygen uptake (VC ⁇ max ) determined spirometrically with a K4 measuring device from Cosmed (Rome, Italy).
  • IAAS Individual Anaerobic Aerobic Threshold
  • the measurement of the bounce improvement can be determined by means of a bounce plate of the company Kistler, Winterthur, Switzerland. To determine the explosive power by means of the bounce test, the device's own protocols "Squat-Jump” and “Count-Movement Jump” are used.
  • Bounce is measured by the contact time on the measuring plate and the jump height and calculated in comparison with the body weight.
  • uric acid levels in the blood or urine or creatine kinase activity in the blood are determined.
  • the increase in creatine kinase activity correlates with the extent of muscle damage and may be determined by an enzymatic reaction using Kit No. 1087533 from Roche Diagnostics, Mannheim, Germany.
  • the uric acid level can be determined photometrically using the "Fluitest UA®" kit from Biocon Diagnostics, Vöhl / Marienhagen, Germany.
  • the effects of the claimed dietary supplement on the protein metabolism can be achieved by a Determine urea determination in the blood or urine. Determination of the urea specimen can be carried out by means of photometric end point determination at a wavelength of 334 nm using the urea S test combination (Reagent Kit No. 777510 from Boehringer Mannheim, Germany).
  • BCKAs denied-chain alpha-keto acids
  • Placebo- 15 61 (49-72) 174 (168-2)
  • the physical training was carried out in two variants.
  • the one variant was carried out in the section Sports and Rehabilitation of the University of Ulm under the supervision of sports scientists or doctoral candidates, or in a gym / physiotherapeutic practice under the supervision of a qualified trainer / trainer.
  • the other variant was a so-called "free training", controlled by the subjects themselves.
  • the professionally supervised training was considered “compulsory training”, namely three training sessions per week, the free training as
  • the additional training consisted of endurance training and strength endurance training, whereby one training session included endurance training with 15 minutes each three repetitions with pauses of about 5 minutes and strength training over 5 minutes. This resulted in the training time according to the study plan for the endurance with 45 minutes and the strength endurance training with 5 minutes per training session and thus 135 minutes of endurance training and 15 minutes of strength endurance training per week. This training was carried out for 6 weeks. This was followed by a regeneration phase of a week in which was not trained.
  • Eudragit ® EPO is a methacrylate copolymer (Pharma Polymers, no. 9, Nov 2002, pp 1-4). With this agent, an odor and taste masking is achieved.
  • AKG was administered as sodium salt and, KIC, KIV and KMV as calcium salts.
  • FIG. 3 shows the result for plasma glucose concentration.
  • the glucose level in the blood is considered a control parameter for the glucose metabolism in diabetics. This level was relatively well adjusted in the present study even before the start of the study. He was a little worse off in the KAS group.
  • Glucose metabolism in diabetics does not appear to be long lasting, so that blood glucose levels rise significantly again. This implies that physical training for diabetics as a therapeutic measure should rather be a "long-term therapy”.
  • HbAIC A long-term parameter for glucose metabolism is HbAIC (Figure 4).
  • HbAlc level was slightly increased before the start of the study, but more pronounced in the KAS group. Through training, this dropped significantly to the near-normal level in both groups. Therefore, the "net gain” in lowering the HbAIC in the KAS group was significantly higher than that in the placebo group, suggesting a greater effect.
  • KAS has an even stronger effect on glucose control and has a longer-lasting effect.
  • QUICKI quantitative insulin sensitivity check index
  • Figure 1 Maximum physical performance in the ramp test during the study period in the placebo group (placebo) or the ketosacic supplement group.
  • Figure 2 Physical performance at individual aerobic anaerobic lactate threshold in the multistage test during the study period in the placebo group (placebo) or the keto acid supplementation group.
  • Figure 3 Plasma glucose levels during the study period in the placebo (placebo) or keto acid supplementation group (mean: t standard deviation).
  • Figure 4 HbAIc in plasma during the study period in the placebo group (placebo) or the ketoklarensupplementi group.
  • Figure 5 Quantitative insulin sensitivity check-in during the study period in the placebo group (placebo) or the ketoklarensupplement ist (median) group.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
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  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Diabetes (AREA)
  • Mycology (AREA)
  • Nutrition Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Endocrinology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Obesity (AREA)
  • Hematology (AREA)
  • Emergency Medicine (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)

Abstract

L'invention porte sur des compléments alimentaires contenant des alpha-céto-acides, pour étayer le traitement du diabète. La présente invention porte sur une préparation utilisée en tant que complément alimentaire, contenant des alpha-céto-acides pour un traitement complémentaire du diabète sucré de type 2 (DM). La préparation contient au moins l'un des alpha-céto-acides du groupe alpha-cétoisocaproate (KIC), alpha-céto-isovalérate (KIV), alpha-céto-béta-méthylvalérate (KMV) et alpha-céto-glutarate (AKG).
EP10710309A 2009-04-03 2010-03-22 Compléments alimentaires contenant des alpha-céto-acides, pour étayer le traitement du diabète Withdrawn EP2413923A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009016119A DE102009016119A1 (de) 2009-04-03 2009-04-03 Nahrungsergänzungsmittel enthaltend alpha-Ketosäuren zur Unterstützung der Diabetestherapie
PCT/EP2010/053704 WO2010112362A1 (fr) 2009-04-03 2010-03-22 Compléments alimentaires contenant des alpha-céto-acides, pour étayer le traitement du diabète

Publications (1)

Publication Number Publication Date
EP2413923A1 true EP2413923A1 (fr) 2012-02-08

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EP10710309A Withdrawn EP2413923A1 (fr) 2009-04-03 2010-03-22 Compléments alimentaires contenant des alpha-céto-acides, pour étayer le traitement du diabète

Country Status (9)

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US (2) US20100280123A1 (fr)
EP (1) EP2413923A1 (fr)
JP (1) JP5762396B2 (fr)
KR (1) KR20110135986A (fr)
CN (1) CN102448452A (fr)
BR (1) BRPI1015083A2 (fr)
CA (1) CA2757673A1 (fr)
DE (1) DE102009016119A1 (fr)
WO (1) WO2010112362A1 (fr)

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KR101476738B1 (ko) * 2013-02-22 2014-12-26 주식회사 노암 인슐린 저항성 개선제
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CN103463014B (zh) * 2013-09-23 2015-08-05 沈阳药科大学 一种复方α-酮酸片及其制备工艺
CN104058954B (zh) * 2014-07-07 2016-08-17 绍兴民生医药股份有限公司 一种在水相中制备酮亮氨酸钙的绿色工艺
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CN107549803B (zh) * 2017-09-20 2021-06-01 精晶药业股份有限公司 一种含有α-酮酸的泡腾片及其制备方法
CN107616505B (zh) * 2017-10-24 2020-12-25 精晶药业股份有限公司 一种含有鸟氨酸酮戊二酸的保健品及其制备方法
CN108542899A (zh) * 2018-06-07 2018-09-18 华南农业大学 α-酮戊二酸在提高肥胖动物产热能力和降低体脂含量方面的应用
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CN112955139A (zh) 2018-09-25 2021-06-11 庞塞迪利昂健康特定活动公司 用于制备α-酮戊二酸钙的方法
CN114126599A (zh) * 2019-06-10 2022-03-01 巴克老龄化研究所 改变衰老相关分泌表型的方法和组合物
EP3797766A1 (fr) 2019-09-24 2021-03-31 Evonik Operations GmbH Compositions à utiliser pour réduire l'inflammation
US20230255912A1 (en) * 2020-07-02 2023-08-17 Ponce De Leon Health Designated Activity Company Compositions and methods for treating crp-mediated diseases
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CN117530940A (zh) * 2023-10-11 2024-02-09 四川大学华西第二医院 α-酮戊二酸在制备促髓鞘修复、改善神经炎症的药物中的应用

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Publication number Publication date
DE102009016119A1 (de) 2010-10-14
CN102448452A (zh) 2012-05-09
JP5762396B2 (ja) 2015-08-12
KR20110135986A (ko) 2011-12-20
US20100280123A1 (en) 2010-11-04
JP2012522739A (ja) 2012-09-27
WO2010112362A1 (fr) 2010-10-07
CA2757673A1 (fr) 2010-10-07
BRPI1015083A2 (pt) 2016-04-19
US20150174088A1 (en) 2015-06-25

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