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    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_c720f917-32d2-409b-92f3-2dd308f24b6b_totalLabel_en" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Cash flows from (used in) operations before changes in working capital</link:label>
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    <link:label id="lab_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles_b90c36ae-dade-4975-9a66-4c26a9ec166f_label_en" xlink:label="lab_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments For Unwinding Of Discount Related To Conditional Advances</link:label>
    <link:label id="lab_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles_880e0d22-62f7-48a7-8d37-52e1eb72caff_documentation_en" xlink:label="lab_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Adjustments For Unwinding Of Discount Related To Conditional Advances</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles" xlink:href="abvx-2024-12-31.xsd#abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles" xlink:to="lab_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OperatingExpense_65b90dca-590f-4cb9-81ab-15936dad570d_negatedTotalLabel_en" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en">Operating expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingExpense" xlink:to="lab_ifrs-full_OperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_eb74325a-f7d3-4a51-8c02-e28ca9bada09_negatedTotalLabel_en" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en">Increase (decrease) in working capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInWorkingCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:to="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_ProduitNetDesCertificatsDeRedevances_71899bb4-e817-4c6a-a776-10c00e4905cc_label_en" xlink:label="lab_abvx_ProduitNetDesCertificatsDeRedevances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net Proceeds From The Royalty Certificates</link:label>
    <link:label id="lab_abvx_ProduitNetDesCertificatsDeRedevances_5fefda5c-1f91-46ba-8b86-eed977cfc7e7_documentation_en" xlink:label="lab_abvx_ProduitNetDesCertificatsDeRedevances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Net Proceeds From The Royalty Certificates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_ProduitNetDesCertificatsDeRedevances" xlink:href="abvx-2024-12-31.xsd#abvx_ProduitNetDesCertificatsDeRedevances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_ProduitNetDesCertificatsDeRedevances" xlink:to="lab_abvx_ProduitNetDesCertificatsDeRedevances" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos_0b5b0e1b-f3c0-4b77-b2df-4da2bf8c2036_label_en" xlink:label="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Exercises Of Share Warrants KREOS</link:label>
    <link:label id="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos_2e66d653-32b3-4a3a-81ff-552bfa66efb6_documentation_en" xlink:label="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Exercises Of Share Warrants KREOS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos" xlink:href="abvx-2024-12-31.xsd#abvx_ExercicesDeBonsDeSouscriptionDactionsKreos"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos" xlink:to="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_57bd6dad-dfca-45cf-9cbb-647c22125f4c_totalLabel_en" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Cash flows from (used in) operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities_f7243455-a828-4bb2-a0a8-4936f563f702_label_en" xlink:label="lab_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Non current portion of non current loans received, excluding royalty certificates, bonds other than convertible notes and lease liabilities</link:label>
    <link:label id="lab_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities_71c267ec-4dff-4906-a841-7d32229b676c_documentation_en" xlink:label="lab_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Non current portion of non current loans received, excluding royalty certificates, bonds other than convertible notes and lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities" xlink:href="abvx-2024-12-31.xsd#abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities" xlink:to="lab_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_PaiementsPourLesDepots_68384fdf-dc85-4689-a661-a8fd653835dc_negatedLabel_en" xlink:label="lab_abvx_PaiementsPourLesDepots" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Reimbursements Of Deposits</link:label>
    <link:label id="lab_abvx_PaiementsPourLesDepots_17a17b8b-4cfc-490c-8856-7942a1cd9f48_label_en" xlink:label="lab_abvx_PaiementsPourLesDepots" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Reimbursements Of Deposits</link:label>
    <link:label id="lab_abvx_PaiementsPourLesDepots_a66d824e-1f14-4721-bdf0-a08f09d202cf_documentation_en" xlink:label="lab_abvx_PaiementsPourLesDepots" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Payments For Deposits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_PaiementsPourLesDepots" xlink:href="abvx-2024-12-31.xsd#abvx_PaiementsPourLesDepots"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_PaiementsPourLesDepots" xlink:to="lab_abvx_PaiementsPourLesDepots" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_AvancesAuxCRO_4cb0aa66-ad54-424f-9530-df851726ebf4_negatedLabel_en" xlink:label="lab_abvx_AvancesAuxCRO" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Purchase of other long-term assets, classified as investing activities</link:label>
    <link:label id="lab_abvx_AvancesAuxCRO_a03ef34f-88fa-452b-a061-eeb40d86dc5d_label_en" xlink:label="lab_abvx_AvancesAuxCRO" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cash Advances And Loans Made To CRO</link:label>
    <link:label id="lab_abvx_AvancesAuxCRO_1fb6c16b-5266-444f-a040-de53e3a2e33c_documentation_en" xlink:label="lab_abvx_AvancesAuxCRO" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Cash Advances And Loans Made To CRO</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AvancesAuxCRO" xlink:href="abvx-2024-12-31.xsd#abvx_AvancesAuxCRO"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_AvancesAuxCRO" xlink:to="lab_abvx_AvancesAuxCRO" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SalesAndMarketingExpense_081a70f0-076c-4a84-9788-5ac5cc0a205b_negatedLabel_en" xlink:label="lab_ifrs-full_SalesAndMarketingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Sales and marketing expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SalesAndMarketingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SalesAndMarketingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SalesAndMarketingExpense" xlink:to="lab_ifrs-full_SalesAndMarketingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos_1bda0a0c-c327-4bfb-9913-7c35f334d5a0_label_en" xlink:label="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Increase Decrease In Number Of Shares Issued Through Exercise Of Share Warrants Other Than Kreos</link:label>
    <link:label id="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos_04884f19-4e85-422e-85f7-4c09ee50b0a0_documentation_en" xlink:label="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Increase Decrease In Number Of Shares Issued Through Exercise Of Share Warrants Other Than Kreos</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:href="abvx-2024-12-31.xsd#abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:to="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_b13f0b5d-c426-403b-8477-75fa281a545c_totalLabel_en" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Cash flows from (used in) financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities_2c218bc0-73ca-4dcb-b79b-ef42c661c345_negatedLabel_en" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Interest paid, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos_145fc095-f2e1-4005-83f1-66b4fa451c7b_label_en" xlink:label="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Exercises Of Share Warrants Other Than Kreos</link:label>
    <link:label id="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos_df8a06db-b19f-4d5e-88b2-93449ec163bb_documentation_en" xlink:label="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Exercises Of Share Warrants Other Than Kreos</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:href="abvx-2024-12-31.xsd#abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:to="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_RemboursementsDobligationsNonConvertibles_be9a27a9-c6c5-495d-9fc7-c3e92e05fdba_negatedLabel_en" xlink:label="lab_abvx_RemboursementsDobligationsNonConvertibles" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Repayments of non convertible loan notes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_RemboursementsDobligationsNonConvertibles" xlink:href="abvx-2024-12-31.xsd#abvx_RemboursementsDobligationsNonConvertibles"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_RemboursementsDobligationsNonConvertibles" xlink:to="lab_abvx_RemboursementsDobligationsNonConvertibles" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_NonCurrentConvertibleLoanNotes_9875dd62-bbbe-4aa0-82ba-0a097eeec167_label_en" xlink:label="lab_abvx_NonCurrentConvertibleLoanNotes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Non current convertible loan notes</link:label>
    <link:label id="lab_abvx_NonCurrentConvertibleLoanNotes_374416ea-6787-4102-a243-730099557315_documentation_en" xlink:label="lab_abvx_NonCurrentConvertibleLoanNotes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Non current convertible loan notes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_NonCurrentConvertibleLoanNotes" xlink:href="abvx-2024-12-31.xsd#abvx_NonCurrentConvertibleLoanNotes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_NonCurrentConvertibleLoanNotes" xlink:to="lab_abvx_NonCurrentConvertibleLoanNotes" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_2cb47c9c-b180-4cf7-b65d-1ae41d318b2a_negatedLabel_en" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Payments of lease liabilities, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_VariationDeLaTresorerieAbstract_f668a206-d24c-49cc-9537-75a9befb331d_label_en" xlink:label="lab_abvx_VariationDeLaTresorerieAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cash flows [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_VariationDeLaTresorerieAbstract" xlink:href="abvx-2024-12-31.xsd#abvx_VariationDeLaTresorerieAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_VariationDeLaTresorerieAbstract" xlink:to="lab_abvx_VariationDeLaTresorerieAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_EmissionDactionsGratuites_e22495b6-3c3a-43c1-abd3-64d713f46f59_label_en" xlink:label="lab_abvx_EmissionDactionsGratuites" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Issue of free shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_EmissionDactionsGratuites" xlink:href="abvx-2024-12-31.xsd#abvx_EmissionDactionsGratuites"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_EmissionDactionsGratuites" xlink:to="lab_abvx_EmissionDactionsGratuites" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation_ec5ddfc2-9738-4674-a1ab-925c5a13bc19_label_en" xlink:label="lab_abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Current portion of non current loans received bonds other than convertible notes and lease liabilities</link:label>
    <link:label id="lab_abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation_545fa4bd-6b61-4d4b-ac5e-e147cfd634e2_documentation_en" xlink:label="lab_abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Current portion of non current loans received bonds other than convertible notes and lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation" xlink:href="abvx-2024-12-31.xsd#abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation"/>
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    <link:label id="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_3ad38f05-3c39-4bb2-999a-44fae691ec4f_negatedLabel_en" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Purchase of property, plant and equipment, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
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    <link:label id="lab_abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease_1700a653-4371-4320-93fb-e25c8cdc94ad_label_en" xlink:label="lab_abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Increase Decrease In Number Of Ordinary Shares Issued Through Capital Increase</link:label>
    <link:label id="lab_abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease_60a78f95-814c-4ef4-bef6-2b3d339f6ded_documentation_en" xlink:label="lab_abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Increase Decrease In Number Of Ordinary Shares Issued Through Capital Increase</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease" xlink:href="abvx-2024-12-31.xsd#abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease"/>
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    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_44b43a93-3e08-40d2-b57e-9c718c52afa5_totalLabel_en" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Increase (decrease) in cash and cash equivalents after effect of exchange rate changes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
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    <link:label id="lab_abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription_81c2dc72-977c-4c0a-bdb6-65fa31a252d3_label_en" xlink:label="lab_abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Issue Of Equity Other Than Through Exercise Of Warrants</link:label>
    <link:label id="lab_abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription_5bfc8293-e10d-468b-bb5d-0f004d4bf262_documentation_en" xlink:label="lab_abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Issue Of Equity Other Than Through Exercise Of Warrants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription" xlink:href="abvx-2024-12-31.xsd#abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription"/>
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    <link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_fdb5bbb5-e0ef-4185-a705-f835401aae99_negatedLabel_en" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">General and administrative expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GeneralAndAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:to="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_DettesFiscalesEtSociales_d613a65c-5970-4406-b453-770e4e4df984_label_en" xlink:label="lab_abvx_DettesFiscalesEtSociales" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Tax and employee-related payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_DettesFiscalesEtSociales" xlink:href="abvx-2024-12-31.xsd#abvx_DettesFiscalesEtSociales"/>
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    <link:label id="lab_ifrs-full_NumberOfSharesIssued_290c4cb1-4226-48f9-8097-9a9582c123d3_periodStartLabel_en" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en">Number of shares issued</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_f8fe83e0-3bba-467b-b19f-c1a94ee431af_periodEndLabel_en" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en">Number of shares issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfSharesIssued"/>
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    <link:label id="lab_ifrs-full_RevenueAndOperatingIncome_c405796e-f529-438a-9998-4803df263194_totalLabel_en" xlink:label="lab_ifrs-full_RevenueAndOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Revenue and other operating income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueAndOperatingIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RevenueAndOperatingIncome"/>
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    <link:label id="lab_abvx_AvancesAuxHopitaux_ea63d456-d0c0-4c31-8a58-066d6f879264_label_en" xlink:label="lab_abvx_AvancesAuxHopitaux" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Advances And Loans Made (Reimbursed) To (By) Hospitals</link:label>
    <link:label id="lab_abvx_AvancesAuxHopitaux_7b090bec-d11b-42ff-99b0-b76994057ca3_documentation_en" xlink:label="lab_abvx_AvancesAuxHopitaux" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Advances And Loans Made (Reimbursed) To (By) Hospitals</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AvancesAuxHopitaux" xlink:href="abvx-2024-12-31.xsd#abvx_AvancesAuxHopitaux"/>
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    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_aa2ee6c2-2aa1-4ca3-b918-006a7c8436f9_negatedLabel_en" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_RemboursementDesDepots_104a8d47-7c9b-4d28-8906-8dfd750f3e9e_label_en" xlink:label="lab_abvx_RemboursementDesDepots" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Reimbursements Of Deposits</link:label>
    <link:label id="lab_abvx_RemboursementDesDepots_d6ed2ac7-67a1-4296-909c-6bbd8f1b9db1_documentation_en" xlink:label="lab_abvx_RemboursementDesDepots" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Reimbursements Of Deposits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_RemboursementDesDepots" xlink:href="abvx-2024-12-31.xsd#abvx_RemboursementDesDepots"/>
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    <link:label id="lab_ifrs-full_PaymentsForShareIssueCosts_eaa18d68-a45c-4a7d-8a4e-2ab4aa92f9f5_negatedLabel_en" xlink:label="lab_ifrs-full_PaymentsForShareIssueCosts" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Payments for share issue costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsForShareIssueCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PaymentsForShareIssueCosts"/>
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    <link:label id="lab_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities_cbb78ec0-2307-4099-9aa3-cebd07246e77_negatedLabel_en" xlink:label="lab_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Payments For Deposits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities"/>
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    <link:label id="lab_abvx_EmpruntObligataireConvertibleOCEANE_860f3158-2605-413b-8260-32970c4f2260_label_en" xlink:label="lab_abvx_EmpruntObligataireConvertibleOCEANE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">OCEANE bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_EmpruntObligataireConvertibleOCEANE" xlink:href="abvx-2024-12-31.xsd#abvx_EmpruntObligataireConvertibleOCEANE"/>
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    <link:label id="lab_abvx_RemboursementDesAvancesConditionnelles_8adf05b2-8178-4035-9710-98f8ef81fade_negatedLabel_en" xlink:label="lab_abvx_RemboursementDesAvancesConditionnelles" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Repayment Of Conditional Advances</link:label>
    <link:label id="lab_abvx_RemboursementDesAvancesConditionnelles_04fee81f-552c-4e38-855a-c04a565f0b21_label_en" xlink:label="lab_abvx_RemboursementDesAvancesConditionnelles" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Repayment Of Conditional Advances</link:label>
    <link:label id="lab_abvx_RemboursementDesAvancesConditionnelles_9f3ee69b-f38e-4caa-9c2e-fb95ee6833d1_documentation_en" xlink:label="lab_abvx_RemboursementDesAvancesConditionnelles" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Repayment Of Conditional Advances</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_RemboursementDesAvancesConditionnelles" xlink:href="abvx-2024-12-31.xsd#abvx_RemboursementDesAvancesConditionnelles"/>
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    <link:label id="lab_abvx_AjustementsPourGainNetSurVenteDactionsPropres_6ee4098c-c179-4f5f-b3e7-10afdcd60580_label_en" xlink:label="lab_abvx_AjustementsPourGainNetSurVenteDactionsPropres" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments For Net Gain On Sale Of Treasury Shares</link:label>
    <link:label id="lab_abvx_AjustementsPourGainNetSurVenteDactionsPropres_7032b223-1324-43a4-831b-ff674914444c_documentation_en" xlink:label="lab_abvx_AjustementsPourGainNetSurVenteDactionsPropres" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en">Adjustments For Net Gain On Sale Of Treasury Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AjustementsPourGainNetSurVenteDactionsPropres" xlink:href="abvx-2024-12-31.xsd#abvx_AjustementsPourGainNetSurVenteDactionsPropres"/>
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    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_6943ad92-b8c0-4585-9424-f2aa60cc3fd9_totalLabel_en" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Profit (loss), attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent"/>
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    <link:label id="lab_abvx_IssueOfConvertibleNotes_a60e2b8e-1e0b-48b2-a647-0cebbdd19aa1_label_en" xlink:label="lab_abvx_IssueOfConvertibleNotes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Issue of convertible notes</link:label>
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