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Effect of Trilostane on Hormone and Serum Electrolyte Concentrations in Dogs with Pituitary‐Dependent Hyperadrenocorticism
BACKGROUND: The effects of trilostane on key hormones and electrolytes over 24 hours in dogs with pituitary‐dependent hyperadrenocorticism (PDH) are unknown. OBJECTIVES: To determine the plasma concentration of cortisol, endogenous adrenocorticotropic hormone (ACTH), aldosterone, sodium, potassium,...
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Published in: | Journal of veterinary internal medicine 2014-01, Vol.28 (1), p.160-165 |
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description | BACKGROUND: The effects of trilostane on key hormones and electrolytes over 24 hours in dogs with pituitary‐dependent hyperadrenocorticism (PDH) are unknown. OBJECTIVES: To determine the plasma concentration of cortisol, endogenous adrenocorticotropic hormone (ACTH), aldosterone, sodium, potassium, and ionized calcium concentrations, and plasma renin activity over a 24‐hour period after administration of trilostane to dogs with well‐controlled PDH. ANIMALS: Nine dogs (mean age 9.3 ± 0.67 years, mean weight 31.9 ± 6.4 kg) with confirmed PDH. METHODS: Prospective study. Thirty days after the first administration of trilostane, blood samples were taken at −30, 0 (baseline), 15, 30, 60, and 90 minutes, and 2, 3, 4, 6, 8, 12, 16, 20, and 24 hours after administration of trilostane and plasma concentration of cortisol, endogenous ACTH, aldosterone, sodium, potassium, ionized calcium, and renin activity were determined. RESULTS: Cortisol concentrations decreased significantly (P |
doi_str_mv | 10.1111/jvim.12268 |
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OBJECTIVES: To determine the plasma concentration of cortisol, endogenous adrenocorticotropic hormone (ACTH), aldosterone, sodium, potassium, and ionized calcium concentrations, and plasma renin activity over a 24‐hour period after administration of trilostane to dogs with well‐controlled PDH. ANIMALS: Nine dogs (mean age 9.3 ± 0.67 years, mean weight 31.9 ± 6.4 kg) with confirmed PDH. METHODS: Prospective study. Thirty days after the first administration of trilostane, blood samples were taken at −30, 0 (baseline), 15, 30, 60, and 90 minutes, and 2, 3, 4, 6, 8, 12, 16, 20, and 24 hours after administration of trilostane and plasma concentration of cortisol, endogenous ACTH, aldosterone, sodium, potassium, ionized calcium, and renin activity were determined. RESULTS: Cortisol concentrations decreased significantly (P < .001) 2–4 hours after trilostane administration. From baseline, there was a significant (P < .001) increase in endogenous ACTH concentrations between hours 3–12, a significant increase (P < .001) in aldosterone concentration between hours 16–20, and a significant (P < .001) increase in renin activity between hours 6–20. Potassium concentration decreased significantly (P < .05) between hours 0.5–2. CONCLUSION AND CLINICAL IMPORTANCE: Treatment with trilostane did not cause clinically relevant alterations in plasma aldosterone and potassium concentration. Results suggest that in dogs with PDH, the optimal time point for an ACTH‐stimulation test to be performed is 2–4 hours after trilostane dosing. Future studies are necessary to establish interpretation criteria for a 2‐ to 4‐hour postpill ACTH‐stimulation test.</description><identifier>ISSN: 0891-6640</identifier><identifier>EISSN: 1939-1676</identifier><identifier>DOI: 10.1111/jvim.12268</identifier><identifier>PMID: 24341822</identifier><language>eng</language><publisher>United States: J.B. Lippincott</publisher><subject>Adrenal gland ; Adrenocortical Hyperfunction - blood ; Adrenocortical Hyperfunction - drug therapy ; Adrenocortical Hyperfunction - physiopathology ; Adrenocortical Hyperfunction - veterinary ; Adrenocorticotropic Hormone - blood ; aldosterone ; Aldosterone - blood ; Animals ; blood serum ; calcium ; Calcium - blood ; corticotropin ; cortisol ; Dihydrotestosterone - administration & dosage ; Dihydrotestosterone - analogs & derivatives ; Dihydrotestosterone - pharmacokinetics ; Dihydrotestosterone - therapeutic use ; Dog Diseases - blood ; Dog Diseases - drug therapy ; Dog Diseases - physiopathology ; Dogs ; electrolytes ; Enzyme Inhibitors - administration & dosage ; Enzyme Inhibitors - pharmacokinetics ; Enzyme Inhibitors - therapeutic use ; Female ; Hormones ; Hydrocortisone - blood ; hyperadrenocorticism ; Hypercortisolism ; Male ; medicine ; Original ; Plasma ; potassium ; Potassium - blood ; Prospective Studies ; renin ; sodium ; Sodium - blood ; Treatment</subject><ispartof>Journal of veterinary internal medicine, 2014-01, Vol.28 (1), p.160-165</ispartof><rights>Copyright © 2013 by the American College of Veterinary Internal Medicine</rights><rights>Copyright © 2013 by the American College of Veterinary Internal Medicine.</rights><rights>2014. This work is published under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5108-c06c0f5061d3725fa474a3e86903117db66575fdcbd18593bcb378711bc244963</citedby><cites>FETCH-LOGICAL-c5108-c06c0f5061d3725fa474a3e86903117db66575fdcbd18593bcb378711bc244963</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4895538/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4895538/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,11562,27924,27925,46052,46476,53791,53793</link.rule.ids><linktorsrc>$$Uhttps://onlinelibrary.wiley.com/doi/abs/10.1111%2Fjvim.12268$$EView_record_in_Wiley-Blackwell$$FView_record_in_$$GWiley-Blackwell</linktorsrc><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24341822$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Griebsch, C</creatorcontrib><creatorcontrib>Lehnert, C</creatorcontrib><creatorcontrib>Williams, G.J</creatorcontrib><creatorcontrib>Failing, K</creatorcontrib><creatorcontrib>Neiger, R</creatorcontrib><title>Effect of Trilostane on Hormone and Serum Electrolyte Concentrations in Dogs with Pituitary‐Dependent Hyperadrenocorticism</title><title>Journal of veterinary internal medicine</title><addtitle>J Vet Intern Med</addtitle><description>BACKGROUND: The effects of trilostane on key hormones and electrolytes over 24 hours in dogs with pituitary‐dependent hyperadrenocorticism (PDH) are unknown. OBJECTIVES: To determine the plasma concentration of cortisol, endogenous adrenocorticotropic hormone (ACTH), aldosterone, sodium, potassium, and ionized calcium concentrations, and plasma renin activity over a 24‐hour period after administration of trilostane to dogs with well‐controlled PDH. ANIMALS: Nine dogs (mean age 9.3 ± 0.67 years, mean weight 31.9 ± 6.4 kg) with confirmed PDH. METHODS: Prospective study. Thirty days after the first administration of trilostane, blood samples were taken at −30, 0 (baseline), 15, 30, 60, and 90 minutes, and 2, 3, 4, 6, 8, 12, 16, 20, and 24 hours after administration of trilostane and plasma concentration of cortisol, endogenous ACTH, aldosterone, sodium, potassium, ionized calcium, and renin activity were determined. RESULTS: Cortisol concentrations decreased significantly (P < .001) 2–4 hours after trilostane administration. From baseline, there was a significant (P < .001) increase in endogenous ACTH concentrations between hours 3–12, a significant increase (P < .001) in aldosterone concentration between hours 16–20, and a significant (P < .001) increase in renin activity between hours 6–20. Potassium concentration decreased significantly (P < .05) between hours 0.5–2. CONCLUSION AND CLINICAL IMPORTANCE: Treatment with trilostane did not cause clinically relevant alterations in plasma aldosterone and potassium concentration. Results suggest that in dogs with PDH, the optimal time point for an ACTH‐stimulation test to be performed is 2–4 hours after trilostane dosing. Future studies are necessary to establish interpretation criteria for a 2‐ to 4‐hour postpill ACTH‐stimulation test.</description><subject>Adrenal gland</subject><subject>Adrenocortical Hyperfunction - blood</subject><subject>Adrenocortical Hyperfunction - drug therapy</subject><subject>Adrenocortical Hyperfunction - physiopathology</subject><subject>Adrenocortical Hyperfunction - veterinary</subject><subject>Adrenocorticotropic Hormone - blood</subject><subject>aldosterone</subject><subject>Aldosterone - blood</subject><subject>Animals</subject><subject>blood serum</subject><subject>calcium</subject><subject>Calcium - blood</subject><subject>corticotropin</subject><subject>cortisol</subject><subject>Dihydrotestosterone - administration & dosage</subject><subject>Dihydrotestosterone - analogs & derivatives</subject><subject>Dihydrotestosterone - pharmacokinetics</subject><subject>Dihydrotestosterone - therapeutic use</subject><subject>Dog Diseases - blood</subject><subject>Dog Diseases - drug therapy</subject><subject>Dog Diseases - physiopathology</subject><subject>Dogs</subject><subject>electrolytes</subject><subject>Enzyme Inhibitors - administration & dosage</subject><subject>Enzyme Inhibitors - pharmacokinetics</subject><subject>Enzyme Inhibitors - therapeutic use</subject><subject>Female</subject><subject>Hormones</subject><subject>Hydrocortisone - blood</subject><subject>hyperadrenocorticism</subject><subject>Hypercortisolism</subject><subject>Male</subject><subject>medicine</subject><subject>Original</subject><subject>Plasma</subject><subject>potassium</subject><subject>Potassium - blood</subject><subject>Prospective Studies</subject><subject>renin</subject><subject>sodium</subject><subject>Sodium - blood</subject><subject>Treatment</subject><issn>0891-6640</issn><issn>1939-1676</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp9kU9v0zAchiMEYmVw4QOAJW5IGXb8L7kgTW3XDG0DaRscLcdxOpfELra7rRIHPgKfkU-CR7YKLvhiS35-j1_5zbKXCB6gtN6trs1wgIqClY-yCapwlSPG2eNsAssK5YwRuJc9C2EFYUEp5U-zvYJggsqimGTf512nVQSuAxfe9C5EaTVwFtTODy4dpW3BufabAcz7BHrXb6MGU2eVttHLaJwNwFgwc8sAbky8Ap9M3Jgo_fbXj58zvda2TSSot2vtZeu1dcr5aJQJw_PsSSf7oF_c7_vZ5dH8YlrnJx8Xx9PDk1xRBMtcQaZgRyFDLeYF7SThRGJdsgpihHjbMEY57VrVtKikFW5Ug3nJEWpUQUjF8H72fvSuN82g2zF5L9beDCmmcNKIf2-suRJLdy1IWVGKyyR4cy_w7ttGhyhWbuNtyiwwTH_NcEWKRL0dKeVdCF53uxcQFHdNibumxJ-mEvzq70w79KGaBKARuDG93v5HJT58Pj59kObjjAlR3-5mpP8qGMecii9nC4FP6yk_my1EnfjXI99JJ-TSmyAuzwuIKISIIEIQ_g1Yhbpa</recordid><startdate>201401</startdate><enddate>201401</enddate><creator>Griebsch, C</creator><creator>Lehnert, C</creator><creator>Williams, G.J</creator><creator>Failing, K</creator><creator>Neiger, R</creator><general>J.B. Lippincott</general><general>Blackwell Publishing Ltd</general><general>John Wiley & Sons, Inc</general><general>John Wiley and Sons Inc</general><scope>FBQ</scope><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>K9.</scope><scope>5PM</scope></search><sort><creationdate>201401</creationdate><title>Effect of Trilostane on Hormone and Serum Electrolyte Concentrations in Dogs with Pituitary‐Dependent Hyperadrenocorticism</title><author>Griebsch, C ; Lehnert, C ; Williams, G.J ; Failing, K ; Neiger, R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5108-c06c0f5061d3725fa474a3e86903117db66575fdcbd18593bcb378711bc244963</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Adrenal gland</topic><topic>Adrenocortical Hyperfunction - blood</topic><topic>Adrenocortical Hyperfunction - drug therapy</topic><topic>Adrenocortical Hyperfunction - physiopathology</topic><topic>Adrenocortical Hyperfunction - veterinary</topic><topic>Adrenocorticotropic Hormone - blood</topic><topic>aldosterone</topic><topic>Aldosterone - blood</topic><topic>Animals</topic><topic>blood serum</topic><topic>calcium</topic><topic>Calcium - blood</topic><topic>corticotropin</topic><topic>cortisol</topic><topic>Dihydrotestosterone - administration & dosage</topic><topic>Dihydrotestosterone - analogs & derivatives</topic><topic>Dihydrotestosterone - pharmacokinetics</topic><topic>Dihydrotestosterone - therapeutic use</topic><topic>Dog Diseases - blood</topic><topic>Dog Diseases - drug therapy</topic><topic>Dog Diseases - physiopathology</topic><topic>Dogs</topic><topic>electrolytes</topic><topic>Enzyme Inhibitors - administration & dosage</topic><topic>Enzyme Inhibitors - pharmacokinetics</topic><topic>Enzyme Inhibitors - therapeutic use</topic><topic>Female</topic><topic>Hormones</topic><topic>Hydrocortisone - blood</topic><topic>hyperadrenocorticism</topic><topic>Hypercortisolism</topic><topic>Male</topic><topic>medicine</topic><topic>Original</topic><topic>Plasma</topic><topic>potassium</topic><topic>Potassium - blood</topic><topic>Prospective Studies</topic><topic>renin</topic><topic>sodium</topic><topic>Sodium - blood</topic><topic>Treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Griebsch, C</creatorcontrib><creatorcontrib>Lehnert, C</creatorcontrib><creatorcontrib>Williams, G.J</creatorcontrib><creatorcontrib>Failing, K</creatorcontrib><creatorcontrib>Neiger, R</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Journal of veterinary internal medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Griebsch, C</au><au>Lehnert, C</au><au>Williams, G.J</au><au>Failing, K</au><au>Neiger, R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Trilostane on Hormone and Serum Electrolyte Concentrations in Dogs with Pituitary‐Dependent Hyperadrenocorticism</atitle><jtitle>Journal of veterinary internal medicine</jtitle><addtitle>J Vet Intern Med</addtitle><date>2014-01</date><risdate>2014</risdate><volume>28</volume><issue>1</issue><spage>160</spage><epage>165</epage><pages>160-165</pages><issn>0891-6640</issn><eissn>1939-1676</eissn><abstract>BACKGROUND: The effects of trilostane on key hormones and electrolytes over 24 hours in dogs with pituitary‐dependent hyperadrenocorticism (PDH) are unknown. OBJECTIVES: To determine the plasma concentration of cortisol, endogenous adrenocorticotropic hormone (ACTH), aldosterone, sodium, potassium, and ionized calcium concentrations, and plasma renin activity over a 24‐hour period after administration of trilostane to dogs with well‐controlled PDH. ANIMALS: Nine dogs (mean age 9.3 ± 0.67 years, mean weight 31.9 ± 6.4 kg) with confirmed PDH. METHODS: Prospective study. Thirty days after the first administration of trilostane, blood samples were taken at −30, 0 (baseline), 15, 30, 60, and 90 minutes, and 2, 3, 4, 6, 8, 12, 16, 20, and 24 hours after administration of trilostane and plasma concentration of cortisol, endogenous ACTH, aldosterone, sodium, potassium, ionized calcium, and renin activity were determined. RESULTS: Cortisol concentrations decreased significantly (P < .001) 2–4 hours after trilostane administration. From baseline, there was a significant (P < .001) increase in endogenous ACTH concentrations between hours 3–12, a significant increase (P < .001) in aldosterone concentration between hours 16–20, and a significant (P < .001) increase in renin activity between hours 6–20. Potassium concentration decreased significantly (P < .05) between hours 0.5–2. CONCLUSION AND CLINICAL IMPORTANCE: Treatment with trilostane did not cause clinically relevant alterations in plasma aldosterone and potassium concentration. Results suggest that in dogs with PDH, the optimal time point for an ACTH‐stimulation test to be performed is 2–4 hours after trilostane dosing. Future studies are necessary to establish interpretation criteria for a 2‐ to 4‐hour postpill ACTH‐stimulation test.</abstract><cop>United States</cop><pub>J.B. Lippincott</pub><pmid>24341822</pmid><doi>10.1111/jvim.12268</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Adrenal gland Adrenocortical Hyperfunction - blood Adrenocortical Hyperfunction - drug therapy Adrenocortical Hyperfunction - physiopathology Adrenocortical Hyperfunction - veterinary Adrenocorticotropic Hormone - blood aldosterone Aldosterone - blood Animals blood serum calcium Calcium - blood corticotropin cortisol Dihydrotestosterone - administration & dosage Dihydrotestosterone - analogs & derivatives Dihydrotestosterone - pharmacokinetics Dihydrotestosterone - therapeutic use Dog Diseases - blood Dog Diseases - drug therapy Dog Diseases - physiopathology Dogs electrolytes Enzyme Inhibitors - administration & dosage Enzyme Inhibitors - pharmacokinetics Enzyme Inhibitors - therapeutic use Female Hormones Hydrocortisone - blood hyperadrenocorticism Hypercortisolism Male medicine Original Plasma potassium Potassium - blood Prospective Studies renin sodium Sodium - blood Treatment |
title | Effect of Trilostane on Hormone and Serum Electrolyte Concentrations in Dogs with Pituitary‐Dependent Hyperadrenocorticism |
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