<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-04-13T01:35:31Z</responseDate><request verb="GetRecord" identifier="oai:www.recercat.cat:2445/162044" metadataPrefix="mets">https://recercat.cat/oai/request</request><GetRecord><record><header><identifier>oai:recercat.cat:2445/162044</identifier><datestamp>2025-12-04T20:37:34Z</datestamp><setSpec>com_2072_1057</setSpec><setSpec>col_2072_478800</setSpec><setSpec>col_2072_478858</setSpec><setSpec>col_2072_478917</setSpec></header><metadata><mets xmlns="http://www.loc.gov/METS/" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" ID="&#xa;&#x9;&#x9;&#x9;&#x9;DSpace_ITEM_2445-162044" TYPE="DSpace ITEM" PROFILE="DSpace METS SIP Profile 1.0" xsi:schemaLocation="http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/mets.xsd" OBJID="&#xa;&#x9;&#x9;&#x9;&#x9;hdl:2445/162044">
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               <mods:name>
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                  <mods:namePart>Castelo-Branco Flores, Camil</mods:namePart>
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               <mods:name>
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                  <mods:namePart>Cancelo Hidalgo, M. J.</mods:namePart>
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                  <mods:namePart>Palacios Ruiz, Lucas Santiago</mods:namePart>
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               <mods:name>
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                  <mods:namePart>Ciria Recasens, M.</mods:namePart>
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               <mods:name>
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                  <mods:namePart>Fernández Pareja, A.</mods:namePart>
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               <mods:name>
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                  <mods:namePart>Carbonell Abella, Cristina</mods:namePart>
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               <mods:name>
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                  <mods:namePart>Manasanch, J.</mods:namePart>
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               <mods:name>
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                     <mods:roleTerm type="text">author</mods:roleTerm>
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                  <mods:namePart>Haya Palazuelos, J.</mods:namePart>
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                  <mods:dateIssued encoding="iso8601">2020-05-22T12:36:23Z2020-05-22T12:36:23Z2019-11-212020-05-22T12:36:23Z</mods:dateIssued>
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               <mods:abstract>Objective: This study aimed to compare the efficacy and safety of ossein-hydroxyapatite complex (OHC) versus calcium carbonate (CC) for preventing bone loss during perimenopause in current clinical practice.Methods: The prospective, comparative, non-randomized, open-label study included 851 perimenopausal women with basal bone mineral density (BMD) T-score ≥-2 standard deviations (SDs). Participants received either OHC (712 mg calcium/day) or CC (1000 mg calcium/day) over 3 years. BMD was evaluated by dual-energy X-ray absorptiometry at the lumbar spine (L2-L4) at baseline and after 18 and 36 months of follow-up. Adverse drug reactions (ADRs) were also recorded.Results: In women receiving OHC, BMD at the L2-L4 site remained stable over the 3-year follow-up period (mean [SD] change 0.00 [0.11] g/cm2). BMD in the CC arm decreased -3.1% (mean [SD] - 0.03 [0.11] g/cm2). Between-group differences were statistically significant (p &lt; 0.001) and favored OHC. ADRs were more frequent in the CC group (7.7% vs. 2.7% in the OHC group; p = 0.001), affecting primarily the gastrointestinal system.Conclusion: OHC showed greater efficacy and tolerability than CC for bone loss prevention in perimenopausal women in real-world practice. As the daily dose of calcium was higher in the CC group, the differences might be linked to the ossein compound in OHC.</mods:abstract>
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               <mods:accessCondition type="useAndReproduction">(c)  The Author(s), 2020 http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess</mods:accessCondition>
               <mods:subject>
                  <mods:topic>Menopausa</mods:topic>
               </mods:subject>
               <mods:subject>
                  <mods:topic>Densitometria òssia</mods:topic>
               </mods:subject>
               <mods:subject>
                  <mods:topic>Osteoporosi</mods:topic>
               </mods:subject>
               <mods:subject>
                  <mods:topic>Menopause</mods:topic>
               </mods:subject>
               <mods:subject>
                  <mods:topic>Bone densitometry</mods:topic>
               </mods:subject>
               <mods:subject>
                  <mods:topic>Osteoporosis</mods:topic>
               </mods:subject>
               <mods:titleInfo>
                  <mods:title>Efficacy and safety of ossein-hydroxyapatite complex versus calcium carbonate to prevent bone loss</mods:title>
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               <mods:genre>info:eu-repo/semantics/article</mods:genre>
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