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  <xsd:element name="JefferiesLlcMember" id="vani_JefferiesLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodOfSpecificTherapyWithSingleAdministration" id="vani_PeriodOfSpecificTherapyWithSingleAdministration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfLiverFatReductionAfterExenatideImplantTherapyForPatientsWhomHasHighFatDietInducedObeseMice" id="vani_PercentageOfLiverFatReductionAfterExenatideImplantTherapyForPatientsWhomHasHighFatDietInducedObeseMice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssuanceOfCommonStockAndWarrantsInConnectionWithSecuritiesPurchaseAgreementGross" id="vani_ProceedsFromIssuanceOfCommonStockAndWarrantsInConnectionWithSecuritiesPurchaseAgreementGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssuanceOfCommonStockAndWarrantsInConnectionWithSecuritiesPurchaseAgreementNetOfIssuanceCosts" id="vani_ProceedsFromIssuanceOfCommonStockAndWarrantsInConnectionWithSecuritiesPurchaseAgreementNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightGrantsInPeriodWeightedAverageExercisePrice" id="vani_ClassOfWarrantOrRightGrantsInPeriodWeightedAverageExercisePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodValueIssuanceOfCommonStockAndWarrantsInConnectionWithSecuritiesPurchaseAgreementNetOfIssuanceCosts" id="vani_StockIssuedDuringPeriodValueIssuanceOfCommonStockAndWarrantsInConnectionWithSecuritiesPurchaseAgreementNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodValueIssuanceOfCommonStockAndWarrantsInConnectionWithAtMarketOfferingNetOfIssuanceCosts" id="vani_StockIssuedDuringPeriodValueIssuanceOfCommonStockAndWarrantsInConnectionWithAtMarketOfferingNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodSharesIssuanceOfCommonStockAndWarrantsInConnectionWithAtMarketOfferingNetOfIssuanceCosts" id="vani_StockIssuedDuringPeriodSharesIssuanceOfCommonStockAndWarrantsInConnectionWithAtMarketOfferingNetOfIssuanceCosts" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodValueIssuanceOfCommonStockInConnectionWithPrivatePurchaseNetOfIssuanceCosts" id="vani_StockIssuedDuringPeriodValueIssuanceOfCommonStockInConnectionWithPrivatePurchaseNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodSharesIssuanceOfCommonStockInConnectionWithPrivatePurchaseNetOfIssuanceCosts" id="vani_StockIssuedDuringPeriodSharesIssuanceOfCommonStockInConnectionWithPrivatePurchaseNetOfIssuanceCosts" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="AdjustmentsToAdditionalPaidInCapitalCommonStockAndWarrantsIssuedInConnectionWithSecuritiesPurchaseAgreementIssuanceCosts" id="vani_AdjustmentsToAdditionalPaidInCapitalCommonStockAndWarrantsIssuedInConnectionWithSecuritiesPurchaseAgreementIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AdjustmentsToAdditionalPaidInCapitalCommonStockAndWarrantsIssuedInConnectionWithAtMarketOfferingIssuanceCosts" id="vani_AdjustmentsToAdditionalPaidInCapitalCommonStockAndWarrantsIssuedInConnectionWithAtMarketOfferingIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AdjustmentsToAdditionalPaidInCapitalCommonStockIssuedInConnectionWithPrivatePurchaseIssuanceCosts" id="vani_AdjustmentsToAdditionalPaidInCapitalCommonStockIssuedInConnectionWithPrivatePurchaseIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssuanceOfCommonStockAndWarrantsInConnectionWithAtMarketOfferingNetOfIssuanceCosts" id="vani_ProceedsFromIssuanceOfCommonStockAndWarrantsInConnectionWithAtMarketOfferingNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssuanceOfCommonStockInConnectionWithDirectorPrivateSecuritiesPurchaseAgreementNetOfIssuanceCosts" id="vani_ProceedsFromIssuanceOfCommonStockInConnectionWithDirectorPrivateSecuritiesPurchaseAgreementNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SalesOfCommonStockNumberOfSharesIssuedInConnectionWithPrivateSale" id="vani_SalesOfCommonStockNumberOfSharesIssuedInConnectionWithPrivateSale" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="SalesOfCommonStockInConnectionWithPrivateSalePricePerShare" id="vani_SalesOfCommonStockInConnectionWithPrivateSalePricePerShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="ProceedsFromSalesOfCommonStockInConnectionWithPrivateSaleGross" id="vani_ProceedsFromSalesOfCommonStockInConnectionWithPrivateSaleGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="NumberOfStudyCentre" id="vani_NumberOfStudyCentre" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxAssetsTaxCreditCarryforwardsResearchAndDevelopmentExpiryPeriod" id="vani_DeferredTaxAssetsTaxCreditCarryforwardsResearchAndDevelopmentExpiryPeriod" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfAggregateProceedsRaisedFromSaleOfSecuritiesForCashFeePaymentToPlacementAgency" id="vani_PercentageOfAggregateProceedsRaisedFromSaleOfSecuritiesForCashFeePaymentToPlacementAgency" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="MaximGroupLlcMember" id="vani_MaximGroupLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssuanceOfCommonStockAndWarrantsInConnectionWithAtMarketOfferingGross" id="vani_ProceedsFromIssuanceOfCommonStockAndWarrantsInConnectionWithAtMarketOfferingGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageGrantDateFairValue" id="vani_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageGrantDateFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RepaymentsOfPrincipalForInsurancePremiumLoanClassifiedAsFinancingActivities" id="vani_RepaymentsOfPrincipalForInsurancePremiumLoanClassifiedAsFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ResearchAndDevelopmentTaxIncentiveReceivableCurrent" id="vani_ResearchAndDevelopmentTaxIncentiveReceivableCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="GrantsAvailableToOffsetFutureOperatingExpenses" id="vani_GrantsAvailableToOffsetFutureOperatingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DevelopmentExpense" id="vani_DevelopmentExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="StockOptionsWithServiceVestingMember" id="vani_StockOptionsWithServiceVestingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfWeeksBeforeBeingRandomizedToReceiveTherapy" id="vani_NumberOfWeeksBeforeBeingRandomizedToReceiveTherapy" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="NumberOfWeeksForWeeklySemaglutideInjectionsTherapy" id="vani_NumberOfWeeksForWeeklySemaglutideInjectionsTherapy" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="NanoPrecisionMedicalIncWarrantMember" id="vani_NanoPrecisionMedicalIncWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SelectedBalanceSheetDetailDisclosureAbstract" id="vani_SelectedBalanceSheetDetailDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfPatientsTakingWegovySemaglutideInjectableDiscontinueTherapyWithinSecondYearOfTreatment" id="vani_PercentageOfPatientsTakingWegovySemaglutideInjectableDiscontinueTherapyWithinSecondYearOfTreatment" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightGrantsInPeriod" id="vani_ClassOfWarrantOrRightGrantsInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightExercisesInPeriod" id="vani_ClassOfWarrantOrRightExercisesInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightForfeituresAndExpirationsInPeriod" id="vani_ClassOfWarrantOrRightForfeituresAndExpirationsInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightExercisableNumber" id="vani_ClassOfWarrantOrRightExercisableNumber" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightExercisesInPeriodWeightedAverageExercisePrice" id="vani_ClassOfWarrantOrRightExercisesInPeriodWeightedAverageExercisePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightForfeituresAndExpirationsWeightedAverageExercisePrice" id="vani_ClassOfWarrantOrRightForfeituresAndExpirationsWeightedAverageExercisePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightExercisableWeightedAverageExercisePrice" id="vani_ClassOfWarrantOrRightExercisableWeightedAverageExercisePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightOutstandingWeightedAverageRemainingContractualTerm" id="vani_ClassOfWarrantOrRightOutstandingWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightExercisableWeightedAverageRemainingContractualTerm" id="vani_ClassOfWarrantOrRightExercisableWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightOutstandingIntrinsicValue" id="vani_ClassOfWarrantOrRightOutstandingIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProfessionalServicesAndInsuranceExpense" id="vani_ProfessionalServicesAndInsuranceExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CertainEmployeesAndBoardOfDirectorsMember" id="vani_CertainEmployeesAndBoardOfDirectorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="IndependentDirectorOneMember" id="vani_IndependentDirectorOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInResearchAndDevelopmentTaxIncentiveReceivable" id="vani_IncreaseDecreaseInResearchAndDevelopmentTaxIncentiveReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="LisaPorterMember" id="vani_LisaPorterMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="EntityAffiliatedWithDirectorMember" id="vani_EntityAffiliatedWithDirectorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfTranche" id="vani_NumberOfTranche" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="PercentageOfWeightLossAchievedInPreclinicalData" id="vani_PercentageOfWeightLossAchievedInPreclinicalData" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="NumberOfEquityPurchaseAgreements" id="vani_NumberOfEquityPurchaseAgreements" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="CommittedCapital" id="vani_CommittedCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ProceedsFromIssuanceOfCommonStockInConnectionWithAtMarketOfferingNetOfIssuanceCosts" id="vani_ProceedsFromIssuanceOfCommonStockInConnectionWithAtMarketOfferingNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EntityAffiliatedWithDirectorAndInvestorMember" id="vani_EntityAffiliatedWithDirectorAndInvestorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SaleOfCommonStockAtDirectOfferingAuthorizedShares" id="vani_SaleOfCommonStockAtDirectOfferingAuthorizedShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xsd:element name="ProceedsFromIssuanceOfCommonStockInConnectionWithDirectOfferingGross" id="vani_ProceedsFromIssuanceOfCommonStockInConnectionWithDirectOfferingGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ThinkEquityLlcMember" id="vani_ThinkEquityLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="SubleaseForManufacturingFacilityMember" id="vani_SubleaseForManufacturingFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodValueIssuanceOfCommonStockInConnectionWithRegisteredDirectOfferingNetOfIssuanceCosts" id="vani_StockIssuedDuringPeriodValueIssuanceOfCommonStockInConnectionWithRegisteredDirectOfferingNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodSharesIssuanceOfCommonStockInConnectionWithRegisteredDirectOfferingNetOfIssuanceCosts" id="vani_StockIssuedDuringPeriodSharesIssuanceOfCommonStockInConnectionWithRegisteredDirectOfferingNetOfIssuanceCosts" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="AdjustmentsToAdditionalPaidInCapitalCommonStockIssuedInConnectionWithPrivateSalesTransactionIssuanceCosts" id="vani_AdjustmentsToAdditionalPaidInCapitalCommonStockIssuedInConnectionWithPrivateSalesTransactionIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AdjustmentsToAdditionalPaidInCapitalCommonStockIssuedInConnectionWithRegisteredDirectOfferingIssuanceCosts" id="vani_AdjustmentsToAdditionalPaidInCapitalCommonStockIssuedInConnectionWithRegisteredDirectOfferingIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssuanceOfCommonStockInConnectionWithPrivateSalesTransactionNetOfIssuanceCosts" id="vani_ProceedsFromIssuanceOfCommonStockInConnectionWithPrivateSalesTransactionNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssuanceOfCommonStockInConnectionWithRegisteredDirectOfferingNetOfIssuanceCosts" id="vani_ProceedsFromIssuanceOfCommonStockInConnectionWithRegisteredDirectOfferingNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssuanceOfCommonStockInConnectionWithPrivatePlacementNetOfIssuanceCosts" id="vani_ProceedsFromIssuanceOfCommonStockInConnectionWithPrivatePlacementNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PromissoryNoteMember" id="vani_PromissoryNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="PlacementAgencyAgreementMember" id="vani_PlacementAgencyAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="TransitionFundingLoan" id="vani_TransitionFundingLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="MediumTermNotesTerm" id="vani_MediumTermNotesTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="MediumTermNotesInterestRate" id="vani_MediumTermNotesInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="SaleOfCommonStockAtDirectOfferingPricePerShare" id="vani_SaleOfCommonStockAtDirectOfferingPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodValueIssuanceOfCommonStockInConnectionWithPrivatePlacement" id="vani_StockIssuedDuringPeriodValueIssuanceOfCommonStockInConnectionWithPrivatePlacement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodSharesIssuanceOfCommonStockInConnectionWithPrivatePlacement" id="vani_StockIssuedDuringPeriodSharesIssuanceOfCommonStockInConnectionWithPrivatePlacement" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="AdjustmentsForReclassificationOfForeignCurrencyTranslationAdjustments" id="vani_AdjustmentsForReclassificationOfForeignCurrencyTranslationAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ExpectedProceedsFromSalesOfCommonStockInConnectionWithPrivateSaleGross" id="vani_ExpectedProceedsFromSalesOfCommonStockInConnectionWithPrivateSaleGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LicenseAndSupplyAgreementMember" id="vani_LicenseAndSupplyAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OkavaPharmaceuticalsIncMember" id="vani_OkavaPharmaceuticalsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryMilestonePaymentsAdded" id="vani_RegulatoryMilestonePaymentsAdded" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssuanceOfCommonStockInConnectionWithDirectOfferingNet" id="vani_ProceedsFromIssuanceOfCommonStockInConnectionWithDirectOfferingNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodValueIssuanceOfCommonStockInConnectionWithPrivateSalesTransactionNetOfIssuanceCosts" id="vani_StockIssuedDuringPeriodValueIssuanceOfCommonStockInConnectionWithPrivateSalesTransactionNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodSharesIssuanceOfCommonStockInConnectionWithPrivateSalesTransactionNetOfIssuanceCosts" id="vani_StockIssuedDuringPeriodSharesIssuanceOfCommonStockInConnectionWithPrivateSalesTransactionNetOfIssuanceCosts" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="AdjustmentsToAdditionalPaidInCapitalCommonStockIssuedInConnectionWithPrivatePlacementIssuanceCosts" id="vani_AdjustmentsToAdditionalPaidInCapitalCommonStockIssuedInConnectionWithPrivatePlacementIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DescriptionOfEffectiveIncomeTaxRateReconciliationForeignJuridictionContributionGreaterThan50PercentTaxEffect" id="vani_DescriptionOfEffectiveIncomeTaxRateReconciliationForeignJuridictionContributionGreaterThan50PercentTaxEffect" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xsd:element name="AccountingPoliciesTable" id="vani_AccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="AccountingPoliciesLineItems" id="vani_AccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromPriorPeriodTaxPositions" id="vani_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromPriorPeriodTaxPositions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="GrantsOffsetAgainstOperatingResearchAndDevelopmentExpense" id="vani_GrantsOffsetAgainstOperatingResearchAndDevelopmentExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="GrantsOffsetAgainstOperatingGeneralAndAdministrativeExpense" id="vani_GrantsOffsetAgainstOperatingGeneralAndAdministrativeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:balance="debit" xbrli:periodType="duration" />
</xsd:schema>
