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  <xsd:element name="ClassOfWarrantOrRightIssued" id="rzlt_ClassOfWarrantOrRightIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreFundedWarrants2022Member" id="rzlt_PreFundedWarrants2022Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WarrantsExercisedOrGranted" id="rzlt_WarrantsExercisedOrGranted" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreFundedWarrants2021Member" id="rzlt_PreFundedWarrants2021Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfActiveStockOptionPlans" id="rzlt_NumberOfActiveStockOptionPlans" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="UnderwritingDiscountsAndCommissionsExpense" id="rzlt_UnderwritingDiscountsAndCommissionsExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromIssuanceOfCommonStockNetOfUnderwritingDiscountsAndCommissions" id="rzlt_ProceedsFromIssuanceOfCommonStockNetOfUnderwritingDiscountsAndCommissions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ScenarioAfterClinicalAndRegulatoryMilestonesMember" id="rzlt_ScenarioAfterClinicalAndRegulatoryMilestonesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LesseeOperatingLeaseOperatingLeaseSpace" id="rzlt_LesseeOperatingLeaseOperatingLeaseSpace" type="dtr-types:areaItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LesseeOperatingLeaseAbatementPeriod" id="rzlt_LesseeOperatingLeaseAbatementPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LesseeOperatingLeaseFurnitureAndEquipmentAllowance" id="rzlt_LesseeOperatingLeaseFurnitureAndEquipmentAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="Phase3ClinicalTrialRz402Member" id="rzlt_Phase3ClinicalTrialRz402Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AccruedClinicalCurrent" id="rzlt_AccruedClinicalCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DebtSecuritiesAvailableForSaleWeightedAverageTerm" id="rzlt_DebtSecuritiesAvailableForSaleWeightedAverageTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentExitFeeAmount" id="rzlt_DebtInstrumentExitFeeAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxAssetsOperatingLeaseLiabilities" id="rzlt_DeferredTaxAssetsOperatingLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxLiabilitiesRightOfUseAssets" id="rzlt_DeferredTaxLiabilitiesRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="OperatingLossCarryforwardsAmountNotSubjectToExpiration" id="rzlt_OperatingLossCarryforwardsAmountNotSubjectToExpiration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ScenarioUponFirstDosingOfFirstPatientMember" id="rzlt_ScenarioUponFirstDosingOfFirstPatientMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodValueExerciseOfPreFundedWarrants" id="rzlt_StockIssuedDuringPeriodValueExerciseOfPreFundedWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodSharesExerciseOfPreFundedWarrants" id="rzlt_StockIssuedDuringPeriodSharesExerciseOfPreFundedWarrants" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AtMarketOfferingMember" id="rzlt_AtMarketOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SaleOfStockMaximumAmountAgreedToSellAsPerOpenMarketSalesAgreement" id="rzlt_SaleOfStockMaximumAmountAgreedToSellAsPerOpenMarketSalesAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="SaleOfStockMaximumAmountRemainingForSaleAsPerOpenMarketSalesAgreement" id="rzlt_SaleOfStockMaximumAmountRemainingForSaleAsPerOpenMarketSalesAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PreFundedWarrants2024Member" id="rzlt_PreFundedWarrants2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExchangePreFundedWarrantsMember" id="rzlt_ExchangePreFundedWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReceivableFromExerciseOfStockOptions" id="rzlt_ReceivableFromExerciseOfStockOptions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="WarrantsExercisableOwnershipBlockerPercentage" id="rzlt_WarrantsExercisableOwnershipBlockerPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AgreementAxis" id="rzlt_AgreementAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AgreementDomain" id="rzlt_AgreementDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SecuritiesExchangeAgreementMember" id="rzlt_SecuritiesExchangeAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantInPeriodFairValue" id="rzlt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantInPeriodFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="InducementGrantMember" id="rzlt_InducementGrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LegacyWarrantsMember" id="rzlt_LegacyWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PrepaidExpensesAndOtherAssetsPolicyTextBlock" id="rzlt_PrepaidExpensesAndOtherAssetsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassOfWarrantOrRightWarrantsSurrendered" id="rzlt_ClassOfWarrantOrRightWarrantsSurrendered" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreFundedWarrants2025Member" id="rzlt_PreFundedWarrants2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValue" id="rzlt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesOutstanding" id="rzlt_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PrivatePlacement2024Member" id="rzlt_PrivatePlacement2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PrivatePlacement2025Member" id="rzlt_PrivatePlacement2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PayablesForOfferingCostsChargedToAdditionalPaidInCapital" id="rzlt_PayablesForOfferingCostsChargedToAdditionalPaidInCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="UnderwrittenPublicOffering2025Member" id="rzlt_UnderwrittenPublicOffering2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SingleReportableSegmentMember" id="rzlt_SingleReportableSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="UnderwrittenOption2025Member" id="rzlt_UnderwrittenOption2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ScenarioUponRegulatoryApprovalMember" id="rzlt_ScenarioUponRegulatoryApprovalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClinicalTrialRz358Member" id="rzlt_ClinicalTrialRz358Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClinicalTrialRz402Member" id="rzlt_ClinicalTrialRz402Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ChiefCommercialOfficerMember" id="rzlt_ChiefCommercialOfficerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedPaymentArrangementNumberOfEmployeesOptionsGranted" id="rzlt_ShareBasedPaymentArrangementNumberOfEmployeesOptionsGranted" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DerivativeLiabilityLineItems" id="rzlt_DerivativeLiabilityLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SignificantConcentrationsTable" id="rzlt_SignificantConcentrationsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SignificantConcentrationsLineItems" id="rzlt_SignificantConcentrationsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MaximumMilestonePaymentsAmount" id="rzlt_MaximumMilestonePaymentsAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="UnderwrittenPublicOfferingMember" id="rzlt_UnderwrittenPublicOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ErsodetugLicenseAgreementMember" id="rzlt_ErsodetugLicenseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResearchAndDevelopmentExpenseLicenseAgreements" id="rzlt_ResearchAndDevelopmentExpenseLicenseAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ResearchAndDevelopmentExpenseCompensationAndBenefits" id="rzlt_ResearchAndDevelopmentExpenseCompensationAndBenefits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DeferredTaxAssetsOperatingLossCarryForwardsExpirationPeriodStart" id="rzlt_DeferredTaxAssetsOperatingLossCarryForwardsExpirationPeriodStart" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DeferredTaxAssetsOperatingLossCarryForwardsExpirationPeriodEnd" id="rzlt_DeferredTaxAssetsOperatingLossCarryForwardsExpirationPeriodEnd" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OperatingLossCarryforwardsAmountSubjectToExpirationCurrentlyAvailableToOffsetTaxableIncome" id="rzlt_OperatingLossCarryforwardsAmountSubjectToExpirationCurrentlyAvailableToOffsetTaxableIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OperatingLossCarryforwardsAmountSubjectToExpirationFutureAvailableToOffsetTaxableIncome" id="rzlt_OperatingLossCarryforwardsAmountSubjectToExpirationFutureAvailableToOffsetTaxableIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OperatingLossCarryforwardsIncludingAmountSubjectToExpirationWithoutUtilizationSubjectToMoreRestrictiveIrcSection382Limitations" id="rzlt_OperatingLossCarryforwardsIncludingAmountSubjectToExpirationWithoutUtilizationSubjectToMoreRestrictiveIrcSection382Limitations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OperatingLossCarryforwardsAmountSubjectToExpirationWithoutUtilizationSubjectToMoreRestrictiveIrcSection382Limitations" id="rzlt_OperatingLossCarryforwardsAmountSubjectToExpirationWithoutUtilizationSubjectToMoreRestrictiveIrcSection382Limitations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OperatingLossCarryforwardsAmountNotSubjectToExpirationSubjectToMoreRestrictiveIrcSection382Limitations" id="rzlt_OperatingLossCarryforwardsAmountNotSubjectToExpirationSubjectToMoreRestrictiveIrcSection382Limitations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OperatingLossCarryforwardsSubjectToExpiration" id="rzlt_OperatingLossCarryforwardsSubjectToExpiration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OperatingLossCarryforwardsAmountNotSubjectToExpirationSubjectToMoreRestrictiveIrcSection382LimitationsAggregateOfVaryingAnnualAmountsInInitialPeriod" id="rzlt_OperatingLossCarryforwardsAmountNotSubjectToExpirationSubjectToMoreRestrictiveIrcSection382LimitationsAggregateOfVaryingAnnualAmountsInInitialPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OperatingLossCarryforwardsAmountNotSubjectToExpirationSubjectToMoreRestrictiveIrcSection382LimitationsAnnualAmountAfterInitialPeriod" id="rzlt_OperatingLossCarryforwardsAmountNotSubjectToExpirationSubjectToMoreRestrictiveIrcSection382LimitationsAnnualAmountAfterInitialPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
</xsd:schema>
