Use of Angiotensin II type 1 receptor antagonists for the prevention of diabetes
Abstract
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Expired 25 August 2020, 6.1 years ago.
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8 claims: 3 independent, 5 dependent
- 1The use of an angiotensin II type 1 receptor (AT II) antagonist selected from the group consisting of candesartan, candesartan cilexetil, losartan, valsartan, irbesartan, tasosartan, telmisartan and eprosartan or a pharmaceutically acceptable salt thereof in the manufacture of a medicament for the prevention of diabetes in patients exhibiting normal or low blood pressure.
- 3A pharmaceutical formulation for use in the prevention of diabetes in patients exhibiting normal or low blood pressure, comprising a therapeutically effective amount of angiotensin II type 1 receptor (AT II) antagonist selected from the group consisting of candesartan, candesartan cilexetil, losartan, valsartan, irbesartan, tasosartan, telmisartan and eprosartan or a pharmaceutically acceptable salt thereof.
- 7An angiotensin II type 1 receptor (AT II) antagonist selected from the group consisting of candesartan, candesartan cilexetil, losartan, valsartan, irbesartan, tasosartan, telmisartan and eprosartan or a pharmaceutically acceptable salt thereof for use in the prevention of diabetes in patients exhibiting normal or low blood pressure.
Independent claims4
54 paragraphs in 5 sections, as filed
FIELD OF INVENTION
0001The present invention relates to use of an inhibitor of the renin-angiotensin system (RAS) which is an angiotensin II type 1 receptor (AT II) antagonist as specified in the claims or a pharmaceutically acceptable salt thereof in the manufacture of a medicament for the prevention of diabetes is patients exhibiting normal or low blood pressure. The present invention further relates to an AT II antagonist for use in a method of prevention of diabetes comprising administering a therapeutically effective amount of said AT II antagonist or a pharmaceutically acceptable salt thereof to a patient in need of such prevention, wherein the patient exhibits normal or low blood pressure.
BACKGROUND OF THE INVENTION
0002Compounds that interfere with the RAS are well known in the art and are used to treat cardiovascular diseases, particularly arterial hypertension and heart failure. Principally, the RAS can be interferred with by inhibition of the enzymes synthesizing angiotensins or by blocking the corresponding receptors at the effector sites. Available today are inhibitors of the angiotensin converting enzyme (ACE) and angiotensin II type 1 receptor (AT II) antagonists.
0003ACE inhibitors are compounds which inhibit the conversion of angiotensin I into the active angiotensin II as well as the breakdown of the active vasodilator bradykinin. Both of these mechanisms lead to vasodilation. Such compounds have been described in, for example, <patcit id="pcit0001" dnum="EP158927A"><text>EP 158927</text></patcit>, <patcit id="pcit0002" dnum="EP317878A"><text>EP 317878</text></patcit>, <patcit id="pcit0003" dnum="US4743450A"><text>US 4,743,450</text></patcit>, and <patcit id="pcit0004" dnum="US4857520A"><text>US 4,857,520</text></patcit>.
0004Ramipril (disclosed in <patcit id="pcit0005" dnum="EP079022A"><text>EP-A-079022</text></patcit>) is a long-acting ACE inhibitor. Its active metabolite is the free diacid ramiprilat, which is obtained <u>in vivo</u> upon administration of ramipril. In hypertensive patients administration of ramipril is known to cause a reduction in peripheral arterial resistance and thus a reduction of the blood pressure without a compensatory rise in heart rate. It is currently being used in the treatment of hypertension and CHF. Furthermore, ramipril has been shown to reduce mortality in patients with clinical signs of congestive heart failure after surviving an acute myocardial infarction. Ramipril has been suggested to have an added advantage over many other ACE inhibitors due to its pronounced inhibition of ACE in tissues resulting in organ protective effects in e.g. the heart, kidney, and blood vessels.
0005Compounds that interfere with the RAS including ACE inhibitors and AT II antagonists are currently used in the treatment of various cardiovascular disorders, especially in patients exhibiting a high blood pressure. Use of said compounds in prevention of cardiovascular disorders is much less common and the use of said compounds in the prevention of stroke, diabetes and /or CHF is hitherto unknown.
0006<patcit id="pcit0006" dnum="US5266583A"><text>US-A-5 266 583</text></patcit> describes the use of an ATII antagonist, which is a metabolite of losartan, <i>inter alia</i> for retarding the onset of Type II diabetes and for treating hypertension.
0007The prior right <patcit id="pcit0007" dnum="WO0002543A"><text>WO-A-00/02543</text></patcit> discloses the use of a combination of valsartan and a Ca-channel blocker for the treatment or prevention of <i>inter alia</i> hypertension and diabetes.
SUMMARY OF THE INVENTION
0008The present invention relates to use of an inhibitor of the RAS which is an angiotensin II type : receptor (AT II) antagonist as specified in the claims or a pharmaceutically acceptable salt thereof in the manufacture of a medicament for the prevention of diabetes, in patients exhibiting normal or low blood pressure.
0009Yet another aspect of the invention is a pharmaceutical formulation for use in the prevention of diabetes comprising a therapeutically effective amount of an inhibitor of the RAS which is an angiotensis II type 1 receptor (AT II) antagonist as specified in the claims or a pharmaceutically acceptable salt thereof.
DETAILED DESCRIPTION OF THE INVENTION
0010It has surprisingly been found that cardiovascular and metabolic disorders such as stroke, diabetes and CHF can be prevented by use of an inhibitor of RAS, particularly an ACE inhibitor that interferes with the synthesis of angiotensin II. The present invention is especially surprising in that especially patients with an essentially maintained heart function and/or exhibiting a normal or low blood pressure benefit markedly from the preventive action of the inhibitors of RAS. The invention describes a new way to prevent diabetes by administration of an inhibitor of the RAS, which is an angiotensin II type 1 receptor (AT II) antagonist as specified in the claims in patients exhibiting normal or low blood pressure.
0011Patients exhibiting a normal or low blood pressure are known as normotensive patients. Examples of guidelines defining blood pressure values for different patient groups including different ages, include guidelines issued by the WHO and JNC (USA). In the present invention, a suitable definition of a normal or low blood pressure can be found in JNC VI.
0012In the present disclosure, "stroke" includes both fatal and non-fatal.
0013In the present invention, "diabetes" include both type I diabetes, also known as insulin-dependent, diabetes mellitus (IDMM), and type II diabetes, also known as non-insulin-dependent diabetes mellitus (NIDDM).
0014In the present disclosure, "inhibitor of the renin-angiotensin system (RAS) or a pharmaceutically acceptable derivative thereof" includes any compound which in itself or upon administration blocks the negative effects of angiotensin II on the vasculature either by reducing the synthesis of angiotensin II or blocking its effect at the receptor.
0015In the present disclosure, "angiotensin converting enzyme (ACE) inhibitor or a pharmaceutically acceptable derivative thereof" includes any compound which in itself or upon administration interferes with the synthesis of angiotensin II.
0016When the inhibitor of the RAS used in the present disclosure have several asymetric carbon atoms, they can consequently exist in several stereochemical forms. The present disclosure includes the mixture of isomers as well as the individual stereoisomers. The present disclosure further includes geometrical isomers, rotational isomers, enantiomers, racemates and diastereomers.
0017Where applicable, the inhibitors of RAS may be used in neutral form, e.g. as a carboxylic acid, or in the form of a salt, preferably a pharmaceutically acceptable salt such as the sodium, potassium, ammonium, calcium or magnesium salt of the compound at issue. Where applicable the compounds listed above can be used in hydrolyzable ester form.
0018In the present disclosure, the inhibitors of the RAS include all prodrugs thereof, whether active or inactive <i>in vitro.</i> Thus, although such protected derivatives may not possess pharmacological activity <i>per se,</i> they may be administered e.g. parenterally or orally, and thereafter metabolized <i>in vivo</i> to form pharmacologically active inhibitors of RAS. Preferred examples are ramipril, which is metabolized into ramiprilat, and candesartan cilexetil, which is metabolized into candesartan.
0019Inhibitors of the RAS include ACE inhibitors, AT II antagonists, also known as angiotensin receptor blockers (ARBs), renin antagonists, and vasopeptidase inhibitors (VPls).
0020The phrase "vasopeptidase inhibitors" embraces so-called NEP/ACE inhibitors (also referred to as selective or dual acting neutral endopeptidase inhibitors) which possess neutral endopeptidase (NEP) inhibitory activity and angiotensin converting enzyme (ACE) inhibitory activity.
0021The phrase "renin antagonists" embraces renin inhibitors.
0022In the present disclosure, the RAS inhibitors may exhibit a long term duration, medium term duration or short term duration.
0023ACE inhibitors or pharmaceutically acceptable derivatives thereof, including active metabolites, which can be used for the prevention of stroke, diabetes and/or CHF include the following compounds: <ul id="ul0001" list-style="none" compact="compact"><li>alacepril, alatriopril, altiopril calcium, ancovenin, benazepril, benazepril hydrochloride, benazeprilat, benzoylcaptopril, captopril, captopril-cysteine, captopril-glutathione, ceranapril, ceranopril, ceronapril, cilazapril, cilazaprilat, delapril, delapril-diacid, enalapril, enalaprilat, enapril, epicaptopril, foroxymithine, fosfenopril, fosenopril, fosenopril sodium, fosinopril, fosinopril sodium, fosinoprilat, fosinoprilic acid, glycopril, hemorphin-4, idrapril, imidapril, indolapril, indolaprilat, libenzapril, lisinopril, lyciumin A, lyciumin B, mixanpril, moexipril, moexiprilat, moveltipril, muracein A, muracein B, muracein C, pentopril, perindopril, perindoprilat, pivalopril, pivopril, quinapril, quinapril hydrochloride, quinaprilat, ramipril, ramiprilat, spirapril, spirapril hydrochloride, spiraprilat, spiropril, spiropril hydrochloride, temocapril, temocapril hydrochloride, teprotide, trandolapril, trandolaprilat, utibapril, zabicipril, zabiciprilat, zofenopril and zofenoprilat.</li></ul>
0024Preferred ACE inhibitors for use in the present disclosure are ramipril, ramiprilat, lisinopril, enalapril and enalaprilat. More preferred ACE inhibitors for uses in the present disclosure are ramipril and ramiprilat. Information about ramipril and ramiprilat can be obtained e.g. from the <nplcit id="ncit0001" npl-type="b"><text>Merck Index., 12th ed., 1996, pp. 1394-1395</text></nplcit>.
0025AT II antagonists or pharmaceutically acceptable derivatives thereof, including active metabolites, which can be used for the prevention of stroke, diabetes and/or CHF include those described in European Patent Applications, Publication Nos. <patcit id="pcit0008" dnum="EP253310A"><text>253310</text></patcit>, <patcit id="pcit0009" dnum="EP323841A"><text>323841</text></patcit>, <patcit id="pcit0010" dnum="EP324377A"><text>324377</text></patcit>, <patcit id="pcit0011" dnum="EP399731A"><text>399731</text></patcit>, <patcit id="pcit0012" dnum="EP400974A"><text>400974</text></patcit>, <patcit id="pcit0013" dnum="EP401030A"><text>401030</text></patcit>, <patcit id="pcit0014" dnum="EP403158A"><text>403158</text></patcit>, <patcit id="pcit0015" dnum="EP403159A"><text>403159</text></patcit>,<patcit id="pcit0016" dnum="EP407102A"><text>407102</text></patcit>,<patcit id="pcit0017" dnum="EP407342A"><text>407342</text></patcit>,<patcit id="pcit0018" dnum="EP409332A"><text>409332</text></patcit>,<patcit id="pcit0019" dnum="EP411507A"><text>411507</text></patcit>,<patcit id="pcit0020" dnum="EP411766A"><text>411766</text></patcit>,<patcit id="pcit0021" dnum="EP412594A"><text>412594</text></patcit>,<patcit id="pcit0022" dnum="EP412848A"><text>412848</text></patcit>,<patcit id="pcit0023" dnum="EP415886A"><text>415886</text></patcit>, <patcit id="pcit0024" dnum="EP419048A"><text>419048</text></patcit>,<patcit id="pcit0025" dnum="EP420237A"><text>420237</text></patcit>,<patcit id="pcit0026" dnum="EP424317A"><text>424317</text></patcit>,<patcit id="pcit0027" dnum="EP425211A"><text>425211</text></patcit>,<patcit id="pcit0028" dnum="EP425921A"><text>425921</text></patcit>,<patcit id="pcit0029" dnum="EP426021A"><text>426021</text></patcit>,<patcit id="pcit0030" dnum="EP427463A"><text>427463</text></patcit>,<patcit id="pcit0031" dnum="EP429257A"><text>429257</text></patcit>,<patcit id="pcit0032" dnum="EP430300A"><text>430300</text></patcit>, <patcit id="pcit0033" dnum="EP430709A"><text>430709</text></patcit>, <patcit id="pcit0034" dnum="EP432737A"><text>432737</text></patcit>, <patcit id="pcit0035" dnum="EP434038A"><text>434038</text></patcit>, <patcit id="pcit0036" dnum="EP434249A"><text>434249</text></patcit>, <patcit id="pcit0037" dnum="EP435827A"><text>435827</text></patcit>, <patcit id="pcit0038" dnum="EP437103A"><text>437103</text></patcit>, <patcit id="pcit0039" dnum="EP438869A"><text>438869</text></patcit>, <patcit id="pcit0040" dnum="EP442473A"><text>442473</text></patcit>, <patcit id="pcit0041" dnum="EP443568A"><text>443568</text></patcit>, <patcit id="pcit0042" dnum="EP443983A"><text>443983</text></patcit>, <patcit id="pcit0043" dnum="EP445811A"><text>445811</text></patcit>, <patcit id="pcit0044" dnum="EP446062A"><text>446062</text></patcit>, <patcit id="pcit0045" dnum="EP449699A"><text>449699</text></patcit>, <patcit id="pcit0046" dnum="EP450566A"><text>450566</text></patcit>, <patcit id="pcit0047" dnum="EP453210A"><text>453210</text></patcit>, <patcit id="pcit0048" dnum="EP454511A"><text>454511</text></patcit>, <patcit id="pcit0049" dnum="EP454831A"><text>454831</text></patcit>, <patcit id="pcit0050" dnum="EP456442A"><text>456442</text></patcit>, <patcit id="pcit0051" dnum="EP456442A"><text>456442</text></patcit>, <patcit id="pcit0052" dnum="EP456510A"><text>456510</text></patcit>, <patcit id="pcit0053" dnum="EP459136A"><text>459136</text></patcit>, <patcit id="pcit0054" dnum="EP461039A"><text>461039</text></patcit>, <patcit id="pcit0055" dnum="EP461040A"><text>461040</text></patcit>, <patcit id="pcit0056" dnum="EP465323A"><text>465323</text></patcit>, <patcit id="pcit0057" dnum="EP465368A"><text>465368</text></patcit>, <patcit id="pcit0058" dnum="EP467207A"><text>467207</text></patcit>, <patcit id="pcit0059" dnum="EP467715A"><text>467715</text></patcit>, <patcit id="pcit0060" dnum="EP468372A"><text>468372</text></patcit>, <patcit id="pcit0061" 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dnum="EP490587A"><text>490587</text></patcit>, <patcit id="pcit0076" dnum="EP490820A"><text>490820</text></patcit>, <patcit id="pcit0077" dnum="EP492105A"><text>492105</text></patcit>, <patcit id="pcit0078" dnum="EP497121A"><text>497121</text></patcit>,<patcit id="pcit0079" dnum="EP497150A"><text>497150</text></patcit>,<patcit id="pcit0080" dnum="EP497516A"><text>497516</text></patcit>,<patcit id="pcit0081" dnum="EP498721A"><text>498721</text></patcit>,<patcit id="pcit0082" dnum="EP498722A"><text>498722</text></patcit>,<patcit id="pcit0083" dnum="EP498723A"><text>498723</text></patcit>,<patcit id="pcit0084" dnum="EP499414A"><text>499414</text></patcit>,<patcit id="pcit0085" dnum="EP499415A"><text>499415</text></patcit>,<patcit id="pcit0086" dnum="EP499416A"><text>499416</text></patcit>, <patcit id="pcit0087" dnum="EP500297A"><text>500297</text></patcit>, <patcit id="pcit0088" dnum="EP500409A"><text>500409</text></patcit>, <patcit id="pcit0089" dnum="EP501269A"><text>501269</text></patcit>, <patcit id="pcit0090" dnum="EP501892A"><text>501892</text></patcit>, <patcit id="pcit0091" dnum="EP502314A"><text>502314</text></patcit>, <patcit id="pcit0092" dnum="EP502575A"><text>502575</text></patcit>, <patcit id="pcit0093" dnum="EP502725A"><text>502725</text></patcit>, <patcit id="pcit0094" dnum="EP503162A"><text>503162</text></patcit>, <patcit id="pcit0095" dnum="EP503785A"><text>503785</text></patcit>, <patcit id="pcit0096" dnum="EP503838A"><text>503838</text></patcit>, <patcit id="pcit0097" dnum="EP504888A"><text>504888</text></patcit>, <patcit id="pcit0098" dnum="EP505098A"><text>505098</text></patcit>, <patcit id="pcit0099" dnum="EP505111A"><text>505111</text></patcit>, <patcit id="pcit0100" dnum="EP505893A"><text>505893</text></patcit>, <patcit id="pcit0101" dnum="EP505954A"><text>505954</text></patcit>, <patcit id="pcit0102" dnum="EP507594A"><text>507594</text></patcit>, <patcit id="pcit0103" dnum="EP508393A"><text>508393</text></patcit>, <patcit id="pcit0104" dnum="EP508445A"><text>508445</text></patcit>, <patcit id="pcit0105" dnum="EP508723A"><text>508723</text></patcit>,<patcit id="pcit0106" dnum="EP510812A"><text>510812</text></patcit>,<patcit id="pcit0107" dnum="EP510813A"><text>510813</text></patcit>,<patcit id="pcit0108" dnum="EP511767A"><text>511767</text></patcit>,<patcit id="pcit0109" dnum="EP511791A"><text>511791</text></patcit>,<patcit id="pcit0110" dnum="EP512675A"><text>512675</text></patcit>,<patcit id="pcit0111" dnum="EP512676A"><text>512676</text></patcit>,<patcit id="pcit0112" dnum="EP512870A"><text>512870</text></patcit>,<patcit id="pcit0113" dnum="EP513533A"><text>513533</text></patcit>, <patcit id="pcit0114" dnum="EP513979A"><text>513979</text></patcit>, <patcit id="pcit0115" dnum="EP514192A"><text>514192</text></patcit>, <patcit id="pcit0116" dnum="EP514193A"><text>514193</text></patcit>, <patcit id="pcit0117" dnum="EP514197A"><text>514197</text></patcit>, <patcit id="pcit0118" dnum="EP514198A"><text>514198</text></patcit>, <patcit id="pcit0119" dnum="EP514216A"><text>514216</text></patcit>, <patcit id="pcit0120" dnum="EP514217A"><text>514217</text></patcit>, <patcit id="pcit0121" dnum="EP515265A"><text>515265</text></patcit>, <patcit id="pcit0122" dnum="EP515357A"><text>515357</text></patcit>, <patcit id="pcit0123" dnum="EP515535A"><text>515535</text></patcit>, <patcit id="pcit0124" dnum="EP515546A"><text>515546</text></patcit>, <patcit id="pcit0125" dnum="EP515548A"><text>515548</text></patcit>, <patcit id="pcit0126" dnum="EP516392A"><text>516392</text></patcit>, <patcit id="pcit0127" dnum="EP517357A"><text>517357</text></patcit>, <patcit id="pcit0128" dnum="EP517812A"><text>517812</text></patcit>, <patcit id="pcit0129" dnum="EP518033A"><text>518033</text></patcit>, <patcit id="pcit0130" dnum="EP518931A"><text>518931</text></patcit>, <patcit id="pcit0131" dnum="EP520423A"><text>520423</text></patcit>, <patcit id="pcit0132" dnum="EP520723A"><text>520723</text></patcit>, <patcit id="pcit0133" dnum="EP520724A"><text>520724</text></patcit>, <patcit id="pcit0134" dnum="EP521768A"><text>521768</text></patcit>, <patcit id="pcit0135" dnum="EP522038A"><text>522038</text></patcit>, <patcit id="pcit0136" dnum="EP523141A"><text>523141</text></patcit>, <patcit id="pcit0137" dnum="EP526001A"><text>526001</text></patcit>, <patcit id="pcit0138" dnum="EP527534A"><text>527534</text></patcit>, and <patcit id="pcit0139" dnum="EP528762A"><text>528762</text></patcit>. Other All antagonists include those disclosed in International Patent Application, Publication Nos. <patcit id="pcit0140" dnum="WO9100277A"><text>WO 91/00277</text></patcit>, <patcit id="pcit0141" dnum="WO9100281A"><text>WO 91/00281</text></patcit>, <patcit id="pcit0142" dnum="WO9111909A"><text>WO 91/11909</text></patcit>, <patcit id="pcit0143" dnum="WO9111999A"><text>WO 91/11999</text></patcit>, <patcit id="pcit0144" dnum="WO9112001A"><text>WO 91/12001</text></patcit>, <patcit id="pcit0145" dnum="WO9112002A"><text>WO 91/12002</text></patcit>, <patcit id="pcit0146" dnum="WO9113063A"><text>WO 91/13063</text></patcit>, <patcit id="pcit0147" dnum="WO9115209A"><text>91/15209</text></patcit>, <patcit id="pcit0148" dnum="WO9115479A"><text>WO 91/15479</text></patcit>, <patcit id="pcit0149" dnum="WO9116313A"><text>WO 91/16313</text></patcit>, <patcit id="pcit0150" dnum="WO9117148A"><text>WO 91/17148</text></patcit>, <patcit id="pcit0151" dnum="WO9118888A"><text>WO 91/18888</text></patcit>, <patcit id="pcit0152" dnum="WO9119697A"><text>WO 91/19697</text></patcit>, <patcit id="pcit0153" dnum="WO9119715A"><text>WO 91/19715</text></patcit>, <patcit id="pcit0154" dnum="WO9200067A"><text>WO 92/00067</text></patcit>, <patcit id="pcit0155" dnum="WO9200068A"><text>WO 92/00068</text></patcit>, <patcit id="pcit0156" dnum="WO9200977A"><text>WO 92/00977</text></patcit>, <patcit id="pcit0157" dnum="WO9202510A"><text>WO 92/02510</text></patcit>, <patcit id="pcit0158" dnum="WO9204335A"><text>WO 92/04335</text></patcit>, <patcit id="pcit0159" dnum="WO9204343A"><text>WO 92/04343</text></patcit>, <patcit id="pcit0160" dnum="WO9205161A"><text>WO 92/05161</text></patcit>, <patcit id="pcit0161" dnum="WO9206081A"><text>WO 92/06081</text></patcit>, <patcit id="pcit0162" dnum="WO9207834A"><text>WO 92/07834</text></patcit>, <patcit id="pcit0163" dnum="WO9207852A"><text>WO 92/07852</text></patcit>, <patcit id="pcit0164" dnum="WO9209278A"><text>WO 92/09278</text></patcit>, <patcit id="pcit0165" dnum="WO9209600A"><text>WO 92/09600</text></patcit>, <patcit id="pcit0166" dnum="WO9210189A"><text>WO 92/10189</text></patcit>, <patcit id="pcit0167" dnum="WO9211255A"><text>WO 92/11255</text></patcit>, <patcit id="pcit0168" dnum="WO9214714A"><text>WO 92/14714</text></patcit>, <patcit id="pcit0169" dnum="WO9216523A"><text>WO 92/16523</text></patcit>, <patcit id="pcit0170" dnum="WO9216552A"><text>WO 92/16552</text></patcit>, <patcit id="pcit0171" dnum="WO9217469A"><text>WO 92/17469</text></patcit>, <patcit id="pcit0172" dnum="WO9218092A"><text>WO 92/18092</text></patcit>, <patcit id="pcit0173" dnum="WO9219211A"><text>WO 92/19211</text></patcit>, <patcit id="pcit0174" dnum="WO9220651A"><text>WO 92/20651</text></patcit>, <patcit id="pcit0175" dnum="WO9220660A"><text>WO 92/20660</text></patcit>, <patcit id="pcit0176" dnum="WO9220687A"><text>WO 92/20687</text></patcit>, <patcit id="pcit0177" dnum="WO9221666A"><text>WO 92/21666</text></patcit>, <patcit id="pcit0178" dnum="WO9222533A"><text>WO 92/22533</text></patcit>, <patcit id="pcit0179" dnum="WO9300341A"><text>WO 93/00341</text></patcit>, <patcit id="pcit0180" dnum="WO9301177A"><text>WO 93/01177</text></patcit>, <patcit id="pcit0181" dnum="WO9303018A"><text>WO 93/03018</text></patcit>, <patcit id="pcit0182" dnum="WO9303033A"><text>WO 93/03033</text></patcit> and <patcit id="pcit0183" dnum="WO9303040A"><text>WO 93/03040</text></patcit>.
0026AT II antagonists or pharmaceutically acceptable salts thereof for use in the present invention are selected from the group consisting of compounds with the following generic names: candesartan, candesartan cilexetil, losartan, valsartan, irbesartan, tasosartan, telmisartan and eprosartan.
0027Particularly preferred AT II antagonists or pharmaceutically acceptable salts thereof for use in the present invention are candesartan and candesartan cilexetil. Candesartan and candesartan cilexetil are known from European Patent No. <patcit id="pcit0184" dnum="EP459136B1"><text>459 136 B1</text></patcit>, <patcit id="pcit0185" dnum="US5196444A"><text>US 5,196,444</text></patcit> and <patcit id="pcit0186" dnum="US5703110A"><text>US 5,703,110</text></patcit> to Takeda Chemical Industries. Candesartan cilexetil is currently manufactured and sold world-wide by AstraZeneca and Takeda.e.g. under the trade names Atacand<sup>®</sup>, Amias<sup>®</sup> and Blopress<sup>®</sup>.
0028NEP/ACE-inhibitors or pharmaceutically acceptable derivatives thereof, including active metabolites, which can be used for the prevention of stroke, diabetes and/or CHF include those compounds disclosed in <patcit id="pcit0187" dnum="US5508272A"><text>U.S. Patents Nos. 5,508,272</text></patcit>,<patcit id="pcit0188" dnum="US5362727A"><text> 5,362,727</text></patcit>, <patcit id="pcit0189" dnum="US5366973A"><text>5,366,973</text></patcit>, <patcit id="pcit0190" dnum="US5225401A"><text>5,225,401</text></patcit>, <patcit id="pcit0191" dnum="US4722810A"><text>4,722,810</text></patcit>, <patcit id="pcit0192" dnum="US5223516A"><text>5,223,516</text></patcit>, <patcit id="pcit0193" dnum="US5552397A"><text>5,552,397</text></patcit>, <patcit id="pcit0194" dnum="US4749688A"><text>4,749,688</text></patcit>, <patcit id="pcit0195" dnum="US5504080A"><text>5,504,080</text></patcit>, <patcit id="pcit0196" dnum="US5612359A"><text>5,612,359</text></patcit>, <patcit id="pcit0197" dnum="US5525723A"><text>5,525,723</text></patcit>,<patcit id="pcit0198" dnum="US5430145A"><text> 5,430,145</text></patcit>, and <patcit id="pcit0199" dnum="US5679671A"><text>5,679,671</text></patcit>, and European Patent Applications <patcit id="pcit0200" dnum="EP0481522A"><text>0481522</text></patcit>, <patcit id="pcit0201" dnum="EP0534263A"><text>0534263</text></patcit>, <patcit id="pcit0202" dnum="EP0534396A"><text>0534396</text></patcit>, <patcit id="pcit0203" dnum="EP0534492A"><text>0534492 </text></patcit>and <patcit id="pcit0204" dnum="EP0671172A"><text>0671172</text></patcit>.
0029Preferred NEP/ACE inhibitors for use in the present disclosure are those which are designated as preferred in the above U.S. patents and European Patent Applications. Especially preferrred is the NEP/ACE inhibitor omapatrilat (disclosed in <patcit id="pcit0205" dnum="US5508272A"><text>U.S. Patent No. 5,508,272</text></patcit>), or MDL100240 (disclosed in <patcit id="pcit0206" dnum="US5430145A"><text>U.S. Patent No. 5,430,145</text></patcit>).
0030Renin-inhibitors or pharmaceutically acceptable derivatives thereof, including active metabolites, which can be used for the prevention of stroke, diabetes and/or CHF include the following compounds: <ul id="ul0002" list-style="none" compact="compact"><li>enalkrein; RO 42-5892; A 65317; CP 80794; ES 1005; ES 8891; SQ 34017; CGP 29287; CGP 38560; SR 43845; U-71038; A 62198; and A 64662.</li></ul>
Pharmaceutical formulations
0031In one aspect, the present invention relates to pharmaceutical formulations comprising as active ingredient an RAS inhibitor which is an AT II antagonist as specified in the claims or a pharmaceutically acceptable salt thereof for use in the prevention of diabetes is patients exhibiting normal or low blood pressure.
0032For clinical use, the RAS inhibitor which is an AT II antagonist as specified in the claims is formulated into a pharmaceutical formulation for oral, intravenous, subcutaneous, tracheal, bronchial, intranasal, pulmonary, transdermal, buccal, rectal, parenteral or some other mode of administration. The pharmaceutical formulation may contain the inhibitor in admixture with a pharmaceutically acceptable adjuvant, diluent and/or carrier.
0033In the preparation of the pharmaceutical formulations for use in the present invention the active ingredient may be mixed with solid, powdered ingredients, such as lactose, saccharose, sorbitol, mannitol, starch, amylopectin, cellulose derivatives, gelatin, or another suitable ingredient, as well as with disintegrating agents and lubricating agents such as magnesium stearate, calcium stearate, sodium stearyl fumarate and polyethylene glycol waxes. The mixture may then be processed into granules or pressed into tablets.
0034The active ingredient may be separately premixed with the other, non-active ingredients, before being mixed to form a formulation.
0035Soft gelatine capsules may be prepared with capsules containing a mixture of the active ingredient of the invention, vegetable oil, fat, or other suitable vehicle for soft gelatine capsules. Hard gelatine capsules may contain granules of the active ingredients. Hard gelatine capsules may also contain the active ingredients in combination with solid powdered ingredients such as lactose, saccharose, sorbitol, mannitol, potato starch, corn starch, amylopectin, cellulose derivatives or gelatine.
0036Dosage units for rectal administration may be prepared (i) in the form of suppositories which contain the active substance mixed with a neutral fat base; (ii) in the form of a gelatine rectal capsule which contains the active substance in a mixture with a vegetable oil, paraffin oil or other suitable vehicle for gelatine rectal capsules; (iii) in the form of a ready-made micro enema; or (iv) in the form of a dry micro enema formulation to be reconstituted in a suitable solvent just prior to administration.
0037Liquid preparations may be prepared in the form of syrups or suspensions, e.g. solutions or suspensions containing the active ingredients and the remainder consisting, for example, of sugar or sugar alcohols and a mixture of ethanol, water, glycerol, propylene glycol and polyethylene glycol. If desired, such liquid preparations may contain coloring agents, flavoring agents, preservatives, saccharine and carboxymethyl cellulose or other thickening agents. Liquid preparations may also be prepared in the form of a dry powder to be recon-stituted with a suitable solvent prior to use.
0038Solutions for parenteral administration may be prepared as a solution of a formulation of the invention in a pharmaceutically acceptable solvent. These solutions may also contain stabilizing ingredients, preservatives and/or buffering ingredients. Solutions for parenteral administration may also be prepared as a dry preparation to by reconstituted with a suitable solvent before use.
0039The total amount of active ingredient suitably lies in the range of from about 0.1 % (w/w) to about 95 % (w/w) of the formulation, suitably from 0.5 % to 50 % (w/w) and preferably from 1 % to 25 % (w/w).
0040The pharmaceutical formulations may contain between about 0.1 mg and about 1000 mg of active ingredient, preferably between 1 mg and 100 mg of active ingredient.
0041The dose of the active ingredient to be administered will depend on the relevant indication, the age, weight and sex of the patient and may be determined by a physician. The dosage will suitably be in the range of from about 0.01 mg/kg to about 20 mg/kg, preferably between 0.1 mg/kg and 10 mg/kg.
0042The typical daily dose of the active ingredients varies within a wide range and will depend on various factors such as the relevant indication, the route of administration, the age, weight and sex of the patient and may be determined by a physician. In general, dosages, and especially oral and parenteral dosages, will be in the range of from about 0.1 to about 100 mg per day of active ingredient, preferably between 1 and 50 mg per day of active ingredient.
0043The following Example is for reference only.
EXAMPLE
0044A large-scale clinical trial was designed to examine the effect of the ACE inhibitor ramipril versus placebo in reducing cardiovascular events.
0045The study was conducted in 267 centres in 19 countries over a six year period and included 9,541 participants who are at high risk for cardiovascular events due to a history of previous ischaemic heart disease, stroke, peripheral arterial disease or individuals with diabetes.
0046The systolic blood pressure at inclusion of the patients was on average 138 mm Hg and thus the patients were normotensive at study start. After one month of therapy with either ramipril or placebo, the systolic blood pressure had decreased by 5.48 mm Hg and 1.59 mm Hg, respectively.
0047The primary endpoint of the study was myocardial infarction (MI), stroke and cardiovascular (CV) death (mortality).
0048The study was stopped early because of a very clear reduction in the combined endpoint of cardiovascular deaths, heart attacks and strokes in patients taking ramipril. In addition to the above benefits, there was also a reduction of between a fourth and a fifth in the need for revascularisation procedures (such as coronary artery bypass graft surgery, balloon angioplasty, etc.) and diabetic complications.
0049There was a clear 32% reduction in the ramipril group in the number of patients who developed a stroke, and this is surprising since patients were normotensive when recruited to the study.
0050The number of patients who developed CHF was significantly reduced by 21% in the ramipril group, which is unexpected since patients had no signs or symptoms of CHF at study start.
0051Equally surprising is the marked 36% reduction in the number of patients who developed diabetes in the ramipril group.
Abbrevations
0052<ul id="ul0003" list-style="none" compact="compact"><li>ACE = angiotensin converting enzyme</li><li>AT II = angiotensin II type 1 receptor</li><li>CHF = congestive heart failure</li><li>IDMM = insulin-dependent, diabetes mellitus</li><li>JNC = Joint National Committee</li><li>MI = myocardial infarction</li><li>NIDDM = non-insulin-dependent diabetes mellitus</li><li>WHO = World Health Organization</li></ul>
Contents5
Every citation, both ways
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| EP0540209A | Cites | European Patent Office (EPO) | – |
| EP0747050A | Cites | European Patent Office (EPO) | – |
| WO0002543A | Cites | World Intellectual Property Organization (WIPO) | – |
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| WO0115674A | Cites | World Intellectual Property Organization (WIPO) | – |
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| WO9749392A | Cites | World Intellectual Property Organization (WIPO) | – |
| WO9830216A | Cites | World Intellectual Property Organization (WIPO) | – |
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| GB2308064A | Cites | United Kingdom | – |
| US5266583A | Cites | United States of America | – |
| US5308846A | Cites | United States of America | – |
| US5506361A | Cites | United States of America | – |
| EBERHARDT ROBERT T ET AL: "Angiotensin II receptor blockade: An innovative approach to cardiovascular pharmacotherapy." JOURNAL OF CLINICAL PHARMACOLOGY, vol. 33, no. 11, 1993, pages 1023-1038, XP001019614 ISSN: 0091-2700 | Non-patent | – | – |
| STIER CHARLES T JR ET AL: "Stroke prevention by losartan in stroke-prone spontaneously hypertensive rats." JOURNAL OF HYPERTENSION, vol. 11, no. SUPPL. 3, 1993, pages S37-S42, XP001019687 Meeting on Losartan: An Orally Active Angiotensin II Antagonist;St. Paul de Vence, France; June 26-27, 1992 ISSN: 0263-6352 | Non-patent | – | – |
| NAKAMURA FUMIAKI ET AL: "Chronic administration of angiotensin II receptor antagonist, TCV-116, in cardiomyopathic hamsters." AMERICAN JOURNAL OF PHYSIOLOGY, vol. 267, no. 6 PART 2, 1994, pages H2297-H2304, XP001019610 ISSN: 0002-9513 | Non-patent | – | – |
| DATABASE BIOSIS [Online] BIOSCIENCES INFORMATION SERVICE, PHILADELPHIA, PA, US; June 1998 (1998-06), ZILE MICHAEL R ET AL: "Gel stretch method: A new method to measure constitutive properties of cardiac muscle cells" XP002607684 Database accession no. PREV199800343114 & AMERICAN JOURNAL OF PHYSIOLOGY, vol. 274, no. 6 PART 2, June 1998 (1998-06), pages H2188-H2202, ISSN: 0002-9513 | Non-patent | – | – |
| DATABASE BIOSIS [Online] BIOSCIENCES INFORMATION SERVICE, PHILADELPHIA, PA, US; 1991, CREGLER L L ET AL: "LEFT VENTRICULAR DIASTOLIC DYSFUNCTION IN PATIENTS WITH CONGESTIVE HEART FAILURE" XP002607685 Database accession no. PREV199191069815 & JOURNAL OF THE NATIONAL MEDICAL ASSOCIATION, vol. 83, no. 1, 1991, pages 49-52, ISSN: 0027-9684 | Non-patent | – | – |
| ANONYMOUS: 'Valsartan (ARB) Improves Beta-Cell Function and Insulin Sensitivity', [Online] 15 March 2011, Medication, Type 2 diabetes, issue 565 Retrieved from the Internet: <URL:http://www.diabetesincontrol.com/artic les/53-diabetes-news/10638-valsartan-arb-im proves-beta-cell-function-and-insulin-sensi tivity> [retrieved on 2012-12-20] | Non-patent | – | – |
| ANONYMOUS: "Valsartan (ARB) Improves Beta-Cell Function and Insulin Sensitivity", 15 March 2011 (2011-03-15), Retrieved from the Internet <URL:http://www.diabetesincontrol.com/articles/53-diabetes-news/10638-valsartan-arb-improves-beta-cell-function-and-insulin-sensitivity> [retrieved on 20121220] | Non-patent | – | Examiner |
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| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
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| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| No opposition filed against granted patent, or epo opposition proceedings concluded without decisionGrantedR097 | R097 | DE | |
| Ep patent validated in greeceEP | EP | GR | |
| Translation files for an european patent granted for nl, confirming art. 52 par. 1 or 6 of the patents act 1995GrantedT3 | T3 | NL | |
| Ep patent with danish claimsT3 | T3 | DK | |
| Definitive protectionFG2A | FG2A | ES | |
| Translation is availableAVAILABILITY OF NATIONAL TRANSLATIONSC4A | SC4A | PT | |
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| Divisional application: reference to earlier applicationAC | AC | EP | |
| Divisional application: reference to earlier applicationAC | AC | EP | |
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| Request for extension of the european patentAX | AX | EP | |
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Numbers
- Publication
- 1925303
- Publication, DOCDB
- 1925303
- Publication, EPODOC
- EP1925303
- Application
- 80042658
- Application, DOCDB
- 08004265
- Application, EPODOC
- EP20080004265
Titles3
- German
- Verwendung von Angiotensin II Typ 1 Rezeptor-Antagonisten zur Prophylaxe von Diabetes
- English
- Use of Angiotensin II type 1 receptor antagonists for the prevention of diabetes
- French
- Utilisation d'antagonistes du récepteur Angiotensin II Type 1 pour prévenir le diabète
Classification
- CPC, 18
- A61K31/403
- A61K31/40
- A61K31/519
- A61P25/28
- A61P3/00
- A61P3/10
- A61P43/00
- A61P7/12
- A61P9/00
- A61P9/02
- A61P9/04
- A61P9/08
- A61P9/10
- A61P9/12
- A61P9/14
- A61K31/41
- A61K31/4178
- A61K31/4184
- IPC, 23
- A61K31 41
- A61K31 4178
- A61K31 4184
- A61K31 519
- A61P9 04
- A61P9 10
- A61P3 10
- A61K31 00
- A61K45 00
- A61K31 357
- A61K31 401
- A61K31 4025
- A61K31 403
- A61K31 404
- A61K31 4166
- A61K31 435
- A61K31 497
- A61K31 55
- A61K31 551
- A61K31 554
- A61P9 02
- A61P43 00
- C07D209 52
Designated states2
- Contracting states, 1
- Sweden
- Extension states, 1
- Slovenia