(10) Patent No.: US 8080682 B2

Total Page:16

File Type:pdf, Size:1020Kb

(10) Patent No.: US 8080682 B2 US008080682B2 (12) United States Patent (10) Patent No.: US 8,080,682 B2 Dalton et al. (45) Date of Patent: Dec. 20, 2011 (54) SUBSTITUTEDACYLANILIDES AND E. 9:2: 3. 3. METHODS OF USE THEREOF GB 1360001 3, 1970 JP 52-128329 1Of 1977 (75) Inventors: James T. Dalton, Lakeland, TN (US); JP 54-63047 12, 1980 Duane D. Miller, Germantown, TN (US) WO WO95/1977O 7, 1995 WO WO9805962 2, 1998 (73) Assignee: University of Tennessee Research W W g 3. 3. 2. Foundation, Knoxville, TN (US) WO WOO127622 4/2001 - WO WOO128990 4/2001 (*) Notice: Subject to any disclaimer, the term of this WO WOO1 34.563 5, 2001 patent is extended or adjusted under 35 WO WOO2 OO617 1, 2002 U.S.C. 154(b) by 647 days. WO WO O2, 16310 2, 2002 WO WOO3 O11302 2, 2003 WO WO 03/049675 6, 2003 (21) Appl. No.: 11/892,595 WO WOO3,065992 8, 2003 WO WOO3,O74471 9, 2003 (22) Filed: Aug. 24, 2007 WO WO 2004/064747 8, 2004 WO WO 2005/0372O1 4/2005 (65) Prior Publication Data WO WO 2005/120483 12/2005 WO WO 2007/027582 3, 2007 US 2008/OO76829 A1 Mar. 27, 2008 OTHER PUBLICATIONS Related U.S. Application Data Byrnet al. Solid-State Chemistry of Drugs, 2d, Chapter 11 Hydrates (60) Provisional application No. 60/839,665, filed on Aug. and Solvates, 233-247.* 24, 2006, provisional application No. 60/907,749, Morissette et al. Adv. Drug Delivery Rev. 2004, 56, 275-300.* filed on Apr. 16, 2007. I A.M. Rouhi, Chem. & Eng. News, Feb. 24, 2003, 81 (8), 32-35.* Carter et al., Chemotherapy of Cancer, second edition, John Wiley & (51) Int. Cl. Sons, N.Y., N.Y., 1981, pp. 362-365.* C07C 255/50 (2006.01) Kim, Juhyun et al., “The para substituent of S-3-(phenoxy)-2- A6K3I/275 (2006.01) hydroxy-2-methyl-N-(4-nitro-3-trifluoromethyl-phenyl)- propionamides is a major structural determinant of in vivo disposi (52) U.S. Cl. ........................................ 558/414: 514/522 tion and activity of selective androgen receptor modulators'. J. of (58) Field of Classification Search .................. 558/414: Pharmacology and Experimental Therapeutics, 315(1), 230-239 514/522 (2005). See application file for complete search history. .S. Appl. No. 09/935,044, filed Aug. 23, 2001, Dalton et al. Appl. No. 09/935,045, filed Aug. 23, 2001, Dalton et al. (56) References Cited . Appl. No. 09/644,970, filed Aug. 2, 2000, Dalton et al. Appl. No. 10/298,229, filed Nov. 28, 2002, Miller et al. U.S. PATENT DOCUMENTS . Appl. No. 10/270,232, filed Oct. 15, 2002, Dalton et al. 3,875,229 A 4, 1975 Gold . Appl. No. 10/277,108, filed Oct. 23, 2002, Dalton et al. 4,139,638 A 2f1979 Neri et al. Appl. No. 10/270,233, filed Oct. 15, 2002, Dalton et al. 4,191,775 A 3, 1980 Glen 4,239,776 A 12/1980 Glen et al. Appl. No. 10/270,732, filed Oct. 15, 2002, Dalton et al. 4,282,218 A 8, 1981 Glen et al. Appl. No. 10/371,213, filed Feb. 24, 2003, Dalton et al. 4,386,080 A 5/1983 Crossley et al. Appl. No. 10/371.209, filed Feb. 24, 2003, Dalton et al. 4,465,507 A 8, 1984 Konno et al. Appl. No. 10/371,211, filed Feb. 24, 2003, Dalton et al. 4,636,505 A 1, 1987 Tucker . Appl. No. 10/371,210, filed Feb. 24, 2003, Dalton et al. 4,880,839 A 11, 1989 Tucker . Appl. No. 10/359,270, filed Feb. 6, 2003, Steiner et al. 4,977,288 A 12/1990 Kassis et al. Appl. No. 10/310,150, filed Dec. 5, 2002, Steiner et al. 5,162,504 A 11/1992 Horoszewicz Howard Tucker and Glynne J. Chesterson, J. Med Chem. 1988, 31. 5,609,849 A 3/1997 Kung pp. 885-887, “Resolution of the Nonsteroidal Antiandrogen 4'- 5,656,651 A 8, 1997 Sovak et al. Cyano-3-(4-fluorophenyl)sulfonyl-2-hydroxy-2-methyl-3'- 6,019,957 A 2/2000 Miller et al. 6,071,957 A 6, 2000 Miller et al. (trifluoromethyl)-propionanilide and the Determination of the Abso 6, 160,011 A 12/2000 Miller et al. lute Configuration of the Active Enantiomer'. 6,482,861 B2 11/2002 Miller et al. 6,492,554 B2 12/2002 Dalton et al. (Continued) 6,569,896 B2 5, 2003 Dalton et al. 6,838,484 B2 1/2005 Steiner et al. Primary Examiner — Shailendra Kumar 6,998,500 B2 2/2006 Dalton et al. (74) Attorney, Agent, or Firm — Mark S. Cohen: Pearl 7,026,500 B2 4/2006 Dalton et al. 7,705, 182 B2* 4/2010 Dalton et al. ................. 564,175 Cohen Zedek Latzer, LLP 2001/0012839 A1 8, 2001 Miller et al. 2002/0173495 A1 11/2002 Dalton et al. (57) ABSTRACT 2005, OO3811.0 A1 2/2005 Steiner et al. 2006/011 1441 A1 5, 2006 Dalton et al. This invention provides SARM compounds and uses thereof 2006, O183931 A1 8, 2006 Dalton et al. in treating a variety of diseases or conditions in a Subject, including, interalia, a muscle wasting disease and/or disorder FOREIGN PATENT DOCUMENTS or a bone-related disease and/or disorder. EP O 040932 12/1981 EP O 100 172 2, 1984 19 Claims, 15 Drawing Sheets US 8,080,682 B2 Page 2 OTHER PUBLICATIONS receptor agonist: 4-ethyl-1,2,3,4-tetrahydro-6-(trifluoromethyl)-8- pyridono.5,6-g-quinoline (LG 121071). J. Med. Chem., 42: 210, D. McKillop, et al., "Enantioselective metabolism and 1999. pharmacokinetics of Casodex in the male rat', Xenobiotica, 1995, Rosen J. Day A. Jones TK, Jones ET, Nadzan AM, and Stein RB. vol. 25, No. 6, 623-634. Intracellular receptors and signal transducers and activators of tran Leonid Kirkovsky, et al., “I'I-Radionated Bicalutamide Analogs Scription Superfamilies: novel targets for Small-molecule drug dis as Potential Imaging Agents for Prostate Cancer', Poster Presenta covery. J. Med. Chem., 38: 4855, 1995. tion MEDI 155, 214th ACS National Meeting, Las Vegas, NV. Sep. Dalton JT. Mukherjee A. Zhu Z, Kirkovsky L, and Miller DD. Dis 7-11, 1997. Department of Pharmaceutical Sciences, University of covery of Nonsteroidal Androgens. Biochem. Biophys. Res. Tennessee, Memphis, TN38163. Comniun., 244(1): 1-4, 1998. David T. Baird and Anna F. Glasier, “Hormonal Contraception— Edwards JP, West SJ, Pooley CLF, Marschke KB, Farmer LJ, and Drug Therapy'. The New England Journal of Medicine, May 27, Jones TK. New nonsteroidal androgen receptor modulators based on 1993, pp. 1543-1549. 4-(trifluoromethyl)-2-(1H)-Pyrololidino.3.2-gquinolone. Bioorg. F.C. W. Wu, “Male Contraception: Current Status and Future Pros Med. Chem. Lett., 8: 745, 1998. pects”. Clinical Endocrinology, (1988), 29, pp. 443-465. Dalton JT, etal "Pharmacokinetics of Aminolevulinic Acid after Oral World Health Organisation Task Force on Methods for the Regulation and Intravenous Dosing in Dogs.” Drug Metabolism and Disposition, of Male Fertility, “Contraceptive efficacy of testosterone-induced 27 (4):432-435, 1999. azoospermia in normal men'. The Lancet, vol. 336, Oct. 20, 1990, pp. Yin D, et al “Key Structural Features of Nonsteroidal Ligands for 955-959and 1517-1518. Binding and Activation of the Androgen Receptor.” Molecular Phar C. G. Francisco, et al., “Long-acting contraceptive agents: macology, 63:211-223, 2003. testosterone esters of unsaturated acids', Steroids, Jan. 1990, vol. 55, Eliason et al., “High Throughput Fluorescence Polarization-Based Butterworths. Screening Assays for the Identification of Novel Nuclear Receptor John M. Hoberman and Charles E. Yesalis, “The History of Synthetic Ligands.” Abstracts of Papers, 223rd ACS National Meeting, Testosterone”, Scientific American, Feb. 1995, pp. 76-81. Orlando, FL, United States, (2002), Apr. 7, 2002. Leonid Kirkovsky, et al., “Approaches to Irreversible non-steroidal Berger et al., “Concepts and limitations in the application of chiral antiandrogens'. Department of Pharmaceutical Sciences, Uni radiolabeled antiandrogens, estrogens, or androgens as isotropic versity of Tennessee, 47th Southeast/51st Southwest Joint Regional scanning agents for the prostate'. Invest. Urol, (1975), 1391, 10-16. Meeting of the American Chemical Society, Memphis, TN, Nov. Yin D, et al "Pharmacology, Pharmacokinetics and Metabolism of 29-Dec. 1, 1995. Acetothiolutamide, A Novel Nonsteroidal Agonist for the Androgen David J. Handelsman, “Bridging the gender gap in contraception: Receptor.” Journal of Pharmacology and Experimental Therapeutics, another hurdle cleared” The Medical Journal of Australia, vol. 154, 304(3): 1323-1333, 2003. Feb. 18, 1996, pp. 230-233. Yin D, et al "Pharmacodynamics of Selective Androgen Receptor Edwards.JP. Higuchi RI, Winn DT. Pooley CLF, Caferro TR, Hamann Modulators.” Journal of Pharmacology and Experimental Therapeu LG, Zhi L. Marschke KB, Goldman ME, and Jones TK. Nonsteroidal tics, 304(3): 1334-1340, 2003. androgen receptor agonists based on 4-(trifluoromethyl)-2H-pyrano Gao, W., etal"Comparison of the Pharmacological Effects of a Novel 3, 2-gguinolin-2-one. Bioorg. Med. Chem. Lett., 9; 1003, 1999. Selective Androgen Receptor Modulator (SARM), the 5 (alpha}- Zhi L. Tegley CM, Marschke KB, and Jones TK. Switching androgen Reductase Inhibitor Finasteride, and the Antiandrogen receptor antagonists to agonists by modifying C-ring Substituents on Hydroxyflutamide in Intact Rats: New Approach for Benign Prostate piperidino.3.2-gquinolone. Bioorg. Med. Chem. Lett., 9; 1009, Hyperplasia (BPH).” Endocrinology, 145(12): 5420-5428, 2004. 1999. Chen J. etal"A Selective Androgen Receptor Modulator (SARM) for Higuchi RI, Edwards JP Caferro TR. Ringgenberg JD, Kong JW. Hormonal Male Contraception.” Journal of Pharmacology and Hamann LG, Arienti KL, Marschke KB, Davis RL, Farmer LJ, and Experimental Therapeutics, 312(2): 546-553, 2005.
Recommended publications
  • Nitrate Prodrugs Able to Release Nitric Oxide in a Controlled and Selective
    Europäisches Patentamt *EP001336602A1* (19) European Patent Office Office européen des brevets (11) EP 1 336 602 A1 (12) EUROPEAN PATENT APPLICATION (43) Date of publication: (51) Int Cl.7: C07C 205/00, A61K 31/00 20.08.2003 Bulletin 2003/34 (21) Application number: 02425075.5 (22) Date of filing: 13.02.2002 (84) Designated Contracting States: (71) Applicant: Scaramuzzino, Giovanni AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU 20052 Monza (Milano) (IT) MC NL PT SE TR Designated Extension States: (72) Inventor: Scaramuzzino, Giovanni AL LT LV MK RO SI 20052 Monza (Milano) (IT) (54) Nitrate prodrugs able to release nitric oxide in a controlled and selective way and their use for prevention and treatment of inflammatory, ischemic and proliferative diseases (57) New pharmaceutical compounds of general effects and for this reason they are useful for the prep- formula (I): F-(X)q where q is an integer from 1 to 5, pref- aration of medicines for prevention and treatment of in- erably 1; -F is chosen among drugs described in the text, flammatory, ischemic, degenerative and proliferative -X is chosen among 4 groups -M, -T, -V and -Y as de- diseases of musculoskeletal, tegumental, respiratory, scribed in the text. gastrointestinal, genito-urinary and central nervous sys- The compounds of general formula (I) are nitrate tems. prodrugs which can release nitric oxide in vivo in a con- trolled and selective way and without hypotensive side EP 1 336 602 A1 Printed by Jouve, 75001 PARIS (FR) EP 1 336 602 A1 Description [0001] The present invention relates to new nitrate prodrugs which can release nitric oxide in vivo in a controlled and selective way and without the side effects typical of nitrate vasodilators drugs.
    [Show full text]
  • (12) United States Patent (10) Patent No.: US 6,927,224 B2 Kaltenbach Et Al
    USOO6927224B2 (12) United States Patent (10) Patent No.: US 6,927,224 B2 Kaltenbach et al. (45) Date of Patent: Aug. 9, 2005 (54) SELECTIVE ESTROGEN RECEPTOR Evans, R.M., “The Steroid and Thyroid Hormone Receptor MODULATORS Superfamily”, Science, vol. 240, pp. 889-895 (1988). Jordan, V.C. et al., “Endocrine Pharmacology of Antiestro (75) Inventors: Robert F. Kaltenbach, Wilmington, DE gens as Antitumor Agents', Endocrine Reviews, Vol. 11, No. (US); Simon P. Robinson, Stow, MA 4, pp. 578-610 (1990). (US); George L. Trainor, Wilmington, Kedar, R.P. et al., “Effects of tamoxifen on uterus and DE (US) ovaries of postmenopausal women in a randomised breast cancer prevention trial”, Lancet, vol. 343, pp. 1318-1321 (73) Assignee: Bristol Myers Squibb Company, (1994). Princeton, NJ (US) Love, R.R. et al., “Effects of Tamoxifen on Bone Mineral (*) Notice: Subject to any disclaimer, the term of this Density in Postmenopausal Women with Breast Cancer', patent is extended or adjusted under 35 The New England Journal of Medicine, vol. 326, No. 13, pp. U.S.C. 154(b) by 0 days. 852-856 (1992). Love, R.R. et al., “Effects of Tamoxifen on Cardiovascular Risk Factors in Postmenopausal Women', Annals of Internal (21) Appl. No.: 10/216,253 Medicine, vol. 115, pp. 860-864 (1991). (22) Filed: Aug. 9, 2002 McCague, R. et al., “Synthesis and Estrogen Receptor Binding of 6,7-Dihydro-8-phenyl-9-4-2-(dimethylami (65) Prior Publication Data no)ethoxyphenyl-5H-benzocycloheptene, a Nonisomeriz US 2003/0105148 A1 Jun. 5, 2003 able Analogue of Tamoxifen. X-ray Crystallographic Stud ies”, J.
    [Show full text]
  • The Use of Stems in the Selection of International Nonproprietary Names (INN) for Pharmaceutical Substances" WHO/EMP/RHT/TSN/2018.1
    INN Working Document 19.450 04/02/2019 Addendum1 to "The use of stems in the selection of International Nonproprietary names (INN) for pharmaceutical substances" WHO/EMP/RHT/TSN/2018.1 Programme on International Nonproprietary Names (INN) Technologies Standards and Norms (TSN) Regulation of Medicines and other health technologies (RHT) World Health Organization, Geneva © World Health Organization 2019 - All rights reserved. The contents of this document may not be reviewed, abstracted, quoted, referenced, reproduced, transmitted, distributed, translated or adapted, in part or in whole, in any form or by any means, without explicit prior authorization of the WHO INN Programme. This document contains the collective views of the INN Expert Group and does not necessarily represent the decisions or the stated policy of the World Health Organization. Addendum1 to "The use of stems in the selection of International Nonproprietary Names (INN) for pharmaceutical substances" - WHO/EMP/RHT/TSN/2018.1 1 This addendum is a cumulative list of all new stems selected by the INN Expert Group since the publication of "The use of stems in the selection of International Nonproprietary Names (INN) for pharmaceutical substances" 2018. ------------------------------------------------------------------------------------------------------------ -calcet/-calcet- calcium-sensing receptors (CaSR) agonists cinacalcet (88), etelcalcetide (112), evocalcet (113), tecalcet (87), upacicalcet (118) ------------------------------------------------------------------------------------------------------------
    [Show full text]
  • The Role of Sevista in the Management of Dysfunctional Uterine Bleeding Section Obstetrics & Gynaecology
    Original Article DOI: 10.7860/JCDR/2012/4794.2687 The Role of Sevista in the Management of Dysfunctional Uterine Bleeding Section Obstetrics & Gynaecology DHANANJAY BS, SUNIL KUMAR NANDA ABSTRACT bleeding, a diagnosis of DUB was made and the treatment with Objective: The complaints of excessive menstrual bleeding ormiloxifene was started. The number of cases were 35 cases. (menorrhagia) have a substantial impact on the gynaecological The treatment with ormeloxifene was evaluated by measuring services and in most of the cases, no organic pathology is iden- the Hb g/dl and the endometrial thickness before and after 3 tified. Nonsteroidal anti-inflammatory drugs and tranexamic acid months of treatment with sevista. Ormeloxifene was given in the offer a simple therapy which has to be taken during menses, with dosage of a 60 mg tablet twice a week for 3 months, followed by reductions of 25-35% and 50% respectively in the Menstrual once a week for another 3 months. Blood Loss (MBL). Danazol and the gonadatrophin-releasing Observation & Results: There was a statistically significant in- hormone analogues are highly effective, but their side-effects crease in the Hb g/dl (p < 0.001) and a statistically significant make them suitable only for a short-term use. In the present decrease in the endometrial thickness (p< 0.001) after the treat- study, the role of ormeloxifene was studied in patients of DUB. ment with ormeloxifene. Materials & Methods: The subjects were diagnosed cases of Conclusion: Ormeloxifene can be used asa effective drug in the DUB. After ruling out the possible causes of the abnormal uterine treatment of Dysfunctional uterine bleeding.
    [Show full text]
  • Tanibirumab (CUI C3490677) Add to Cart
    5/17/2018 NCI Metathesaurus Contains Exact Match Begins With Name Code Property Relationship Source ALL Advanced Search NCIm Version: 201706 Version 2.8 (using LexEVS 6.5) Home | NCIt Hierarchy | Sources | Help Suggest changes to this concept Tanibirumab (CUI C3490677) Add to Cart Table of Contents Terms & Properties Synonym Details Relationships By Source Terms & Properties Concept Unique Identifier (CUI): C3490677 NCI Thesaurus Code: C102877 (see NCI Thesaurus info) Semantic Type: Immunologic Factor Semantic Type: Amino Acid, Peptide, or Protein Semantic Type: Pharmacologic Substance NCIt Definition: A fully human monoclonal antibody targeting the vascular endothelial growth factor receptor 2 (VEGFR2), with potential antiangiogenic activity. Upon administration, tanibirumab specifically binds to VEGFR2, thereby preventing the binding of its ligand VEGF. This may result in the inhibition of tumor angiogenesis and a decrease in tumor nutrient supply. VEGFR2 is a pro-angiogenic growth factor receptor tyrosine kinase expressed by endothelial cells, while VEGF is overexpressed in many tumors and is correlated to tumor progression. PDQ Definition: A fully human monoclonal antibody targeting the vascular endothelial growth factor receptor 2 (VEGFR2), with potential antiangiogenic activity. Upon administration, tanibirumab specifically binds to VEGFR2, thereby preventing the binding of its ligand VEGF. This may result in the inhibition of tumor angiogenesis and a decrease in tumor nutrient supply. VEGFR2 is a pro-angiogenic growth factor receptor
    [Show full text]
  • In Vitro Estrogenic Actions in Rat and Human Cells of Hydroxylated Derivatives of D16726 (Zindoxifene), an Agent with Known Antimammary Cancer Activity in Vivo1
    [CANCER RESEARCH 48, 784-787, February 15, 1988] In Vitro Estrogenic Actions in Rat and Human Cells of Hydroxylated Derivatives of D16726 (Zindoxifene), an Agent with Known Antimammary Cancer Activity in Vivo1 S. P. Robinson, R. Koch, and V. C. Jordan2 Department of Human Oncology, University of Wisconsin Clinical Cancer Center, Madison, Wl 53792 ABSTRACT derivative D15414, (compound I, Fig. 1) in vitro (17, 19). This is of particular interest if the tumor inhibitory activity of A series of 2-phenyl-l-ethyl-3-methylindoles with or without a hy- D16726 is by estrogen antagonism as this compound does not droxyl group in the para position of the phenyl ring and the 5 or 6 position of the indole nucleus were compared with 17/3-estradiol in the have a structural equivalent of the alkylaminoethoxy side chain. We now report the activity of a series of 2-phenylindole stimulation of (a) prolactin production in rat pituitary cells in primary culture, (b) progesterone receptor synthesis in MCF-7 cells, and (c) derivatives, including D15414, in the stimulation of prolactin proliferation of MCF-7 cells. All compounds were less active than production in rat pituitary cells in primary culture and the i-stradini but all derivatives including 1)15414, the hydroxylated metab stimulation of progesterone receptor synthesis and growth of olite of D16726 (zindoxifene, a known antitumor agent against mammary MCF-7 cells. cancer) were fully estrogenic. Hydroxyl groups at the para position of the phenyl ring and 6 position of the indole nucleus conferred the highest estrogen potency [ED»(drug MATERIALS AND METHODS concentration producing 50% of maximum activity) in all assays around 10 "' M|.
    [Show full text]
  • (12) United States Patent (10) Patent No.: US 9,687,458 B2 Podolski Et Al
    US009687458B2 (12) United States Patent (10) Patent No.: US 9,687,458 B2 Podolski et al. (45) Date of Patent: Jun. 27, 2017 (54) TRANS-CLOMIPHENE FOR USE IN 6,143,353 A 1 1/2000 Oshlack CANCER THERAPY 6,190,591 B1 2/2001 Van Lengerich 6,221,399 B1 4/2001 Rolfes 6,248,363 B1 6, 2001 Patel (71) Applicant: REPROS THERAPEUTICS INC., 6,291,505 B1 9/2001 Huebner et al. The Woodlands, TX (US) 6,342,250 B1 1/2002 Masters 6,391920 B1 5, 2002 Fisch (72) Inventors: Joseph S. Podolski. The Woodlands, 6,511.986 B2 1/2003 Zhang et al. TX (US); Ronald D. Wiehle, Houston, 826 R $398 Ma'al TX (US); Kuang Hsu, The Woodlands, 6,638,528s- ww. B1 10/2003 KaniosaO ( a. TX (US); Greg Fontenot, The 6,645,974 B2 11/2003 Hutchinson et al. Woodlands, TX (US) 6,653,297 B1 11/2003 Hodgen 6,685,957 B1 2/2004 Bezemer et al. (73) Assignee: Repros Therapeutics Inc., The $33. R: 3. ErSC Woodlands, TX (US) 7,105,679 B2 9/2006 Kanojia et al. 7,354,581 B2 4/2008 Cedarb tal. (*) Notice: Subject to any disclaimer, the term of this 7,799,782 B2 9/2010 T al patent is extended or adjusted under 35 8,247456 B2 8/2012 Podolski U.S.C. 154(b) by 0 days. 8,377,991 B2 2/2013 Van AS 2002/O1200 12 A1 8, 2002 Fisch (21) Appl. No.: 14/440,007 (Continued) (22) PCT Filed: Oct.
    [Show full text]
  • Preparation, Characterization, and in Vitro Enzymatic Hydrolysis in Biorelevant Media☆
    European Journal of Pharmaceutical Sciences 92 (2016) 203–211 Contents lists available at ScienceDirect European Journal of Pharmaceutical Sciences journal homepage: www.elsevier.com/locate/ejps Modulating lipophilicity of rohitukine via prodrug approach: Preparation, characterization, and in vitro enzymatic hydrolysis in biorelevant media☆ Vikas Kumar a,b, Sonali S. Bharate a,⁎, Ram A. Vishwakarma b,c,⁎⁎ a Preformulation Laboratory, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India b Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India c Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India article info abstract Article history: Rohitukine is a medicinally important natural product which has inspired the discovery of two anticancer clinical Received 26 May 2016 candidates. Rohitukine is highly hydrophilic in nature which hampers its oral bioavailability. Thus, herein our ob- Received in revised form 27 June 2016 jective was to improve the drug-like properties of rohitukine via prodrug-strategy. Various ester prodrugs were Accepted 11 July 2016 synthesized and studied for solubility, lipophilicity, chemical stability and enzymatic hydrolysis in plasma/ester- Available online 12 July 2016 ase. All prodrugs displayed lower aqueous solubility and improved lipophilicity compared with rohitukine, which was in accordance with the criteria of compounds in drug-discovery. The stability of synthesized prodrugs was Keywords: Prodrugs evaluated in buffers at different pH, SGF, SIF, rat plasma and in esterase enzyme. The rate of hydrolysis in all in- Drug discovery cubation media was dependent primarily on the acyl promoieties. Hexanoyl ester prodrug of rohitukine, 3d,was Rohitukine stable under chemical conditions; however it was completely hydrolyzed to rohitukine, in plasma and in esterase Solubility in 4 h.
    [Show full text]
  • Stems for Nonproprietary Drug Names
    USAN STEM LIST STEM DEFINITION EXAMPLES -abine (see -arabine, -citabine) -ac anti-inflammatory agents (acetic acid derivatives) bromfenac dexpemedolac -acetam (see -racetam) -adol or analgesics (mixed opiate receptor agonists/ tazadolene -adol- antagonists) spiradolene levonantradol -adox antibacterials (quinoline dioxide derivatives) carbadox -afenone antiarrhythmics (propafenone derivatives) alprafenone diprafenonex -afil PDE5 inhibitors tadalafil -aj- antiarrhythmics (ajmaline derivatives) lorajmine -aldrate antacid aluminum salts magaldrate -algron alpha1 - and alpha2 - adrenoreceptor agonists dabuzalgron -alol combined alpha and beta blockers labetalol medroxalol -amidis antimyloidotics tafamidis -amivir (see -vir) -ampa ionotropic non-NMDA glutamate receptors (AMPA and/or KA receptors) subgroup: -ampanel antagonists becampanel -ampator modulators forampator -anib angiogenesis inhibitors pegaptanib cediranib 1 subgroup: -siranib siRNA bevasiranib -andr- androgens nandrolone -anserin serotonin 5-HT2 receptor antagonists altanserin tropanserin adatanserin -antel anthelmintics (undefined group) carbantel subgroup: -quantel 2-deoxoparaherquamide A derivatives derquantel -antrone antineoplastics; anthraquinone derivatives pixantrone -apsel P-selectin antagonists torapsel -arabine antineoplastics (arabinofuranosyl derivatives) fazarabine fludarabine aril-, -aril, -aril- antiviral (arildone derivatives) pleconaril arildone fosarilate -arit antirheumatics (lobenzarit type) lobenzarit clobuzarit -arol anticoagulants (dicumarol type) dicumarol
    [Show full text]
  • Effect of Estrogens on Skin Aging and the Potential Role of Selective Estrogen Receptor Modulators
    CLIMACTERIC 2007;10:289–297 Effect of estrogens on skin aging and the potential role of selective estrogen receptor modulators S. Verdier-Se´vrain Bio-Hybrid, LLC, West Palm Beach, Florida, USA Key words: SKIN AGING, HORMONE REPLACEMENT THERAPY, TOPICAL ESTROGEN, PHYTOESTROGENS, SELECTIVE ESTROGEN RECEPTOR MODULATORS ABSTRACT Estrogens have a profound influence on skin. The relative hypoestrogenism that accom- panies menopause exacerbates the deleterious effects of both intrinsic and environ- mental aging. Estrogens prevent skin aging. They increase skin thickness and improve skin moisture. Beneficial effects of hormone replacement therapy (HRT) on skin aging have been well documented, but HRT cannot obviously be recommended solely to treat skin aging in menopausal women. Topical estrogen application is highly effective and safe if used by a dermatologist with expertise in endocrinology. The question of whether estrogen alternatives such as phytoestrogens and selective estrogen receptor modulators are effective estrogens for the prevention of skin aging in postmenopausal women remains unanswered. However, preliminary data indicate that such treatment may be of benefit for skin aging treatment. For personal use only. INTRODUCTION There are approximately 40 million postmeno- Intrinsic aging is characterized by smooth, pale, pausal women in the United States, contributing finely wrinkled skin and dryness2. Photoaging is to 17% of the total population1. As the popula- characterized by severe wrinkling and pigmentary tion of older women continues to grow at a rapid changes such as solar lentigo and mottled pig- rate, the challenges of learning more about the mentation3. Estrogens affect several skin functions health-care concerns and priorities of this group of and the estrogen deprivation that accompanies Climacteric Downloaded from informahealthcare.com by University of Washington on 05/23/13 patients become apparent.
    [Show full text]
  • (12) United States Patent (10) Patent No.: US 9,682,960 B2 Labrie Et Al
    USOO968296OB2 (12) United States Patent (10) Patent No.: US 9,682,960 B2 Labrie et al. (45) Date of Patent: Jun. 20, 2017 (54) NON-STEROIDAL ANTANDROGENS AND (56) References Cited SELECTIVE ANDROGEN RECEPTOR MODULATORS WITH APYRIDYL MOETY U.S. PATENT DOCUMENTS 3,742.951 7, 1973 Zaffaroni (71) Applicants: Fernand Labrie, Quebec (CA); 3,797.494 3, 1974 Zaffaroni Shankar Mohan Singh, Quebec (CA); 4,568,343 2, 1986 Leeper et al. Richard Labrecque, St-Nicolas (CA); 5,064,654 11, 1991 Berner et al. 5,071,644 12, 1991 Viegas et al. Liviu Constantin Ciobanu, Quebec 5,071,657 12, 1991 Oloff et al. (CA) 5,411,981 5, 1995 Gaillard-Kelly et al. 5,556,983 9, 1996 Claussner et al. (72) Inventors: Fernand Labrie, Quebec (CA); 5,750,553 5, 1998 Claussner et al. 6,071,957 6/2000 Miller et al. Shankar Mohan Singh, Quebec (CA); 7/2000 Claussner et al. Richard Labrecque, St-Nicolas (CA); 6,087,509 Liviu Constantin Ciobanu, Quebec (Continued) (CA) FOREIGN PATENT DOCUMENTS (73) Assignee: ENDORECHERCHE, INC. (CA) CA 2 677 295 9, 2008 CA 2 773 591 3, 2011 EP 0 002892 A1 7/1979 (*) Notice: Subject to any disclaimer, the term of this EP O 100 172 A1 2, 1984 patent is extended or adjusted under 35 EP O 279 982 A1 8, 1988 U.S.C. 154(b) by 0 days. EP O 494 819 A1 7, 1992 EP O 578516 A1 1, 1994 Appl. No.: 14/567,970 EP O 580 459 A1 1, 1994 (21) FR 2 671 348 A1 7, 1992 Filed: Dec.
    [Show full text]
  • Ordering Guide Why This Guide Is Important to You and Your Patients
    ORDERING GUIDE WHY THIS GUIDE IS IMPORTANT TO YOU AND YOUR PATIENTS This ordering guide is meant to assist you when ordering a study with Radiology Ltd. The guide includes common indications as well as recommendations for the most appropriate examination. It is our goal to provide you and your patients with the most appropriate and complete imaging examination. After the correct order is placed, examinations are further tailored to each patient’s specific condition. Thus, it is very important for the radiologist to be aware of the clinical question or specific condition in question so that the appropriate imaging can be performed. When ordering an examination please include pertinent history as well as signs or symptoms. Please refrain from ordering “r/o” exams such as “rule out tumor” or “rule out anomaly” unless history and signs/symptoms are included as well. Feel free to specify a particular entity or condition you would like the Radiologist to comment upon in the report. We have also included a list of most commonly used ICD-9 codes. Please note that this is not a complete list so you may need to refer to your most current ICD-9-CM and ICD-10- CM code book for the most appropriate code. The note section at the end of the ICD-9 codes list allows you to add additional codes that are commonly used in your practice. In the back of the guide, you will find a list of our contracted insurance and network plans as well as our imaging centers, addresses and phone numbers.
    [Show full text]