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  <xsd:element id="meip_RecognizedRevenueAssociatedWithTheFollowingLicenseAgreementsAbstract" name="RecognizedRevenueAssociatedWithTheFollowingLicenseAgreementsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_EventAxis" name="EventAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_AccountsReceivableNetBeginningBalance" name="AccountsReceivableNetBeginningBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_AccountsReceivableNetEndingBalance" name="AccountsReceivableNetEndingBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_AccruedMilestonePayments" name="AccruedMilestonePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_AcquireSharesOfCommonStockGrantDateFairValue" name="AcquireSharesOfCommonStockGrantDateFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_AggregateValueOfSecuritiesAvailableUnderAgreement" name="AggregateValueOfSecuritiesAvailableUnderAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_CashAndCashEquivalentsshortTermInvestmentsAndCommonStockProceedsReceivable" name="CashAndCashEquivalentsshortTermInvestmentsAndCommonStockProceedsReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_ContractAssetsAmountsBilled" name="ContractAssetsAmountsBilled" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_ContractAssetsBillableAmounts" name="ContractAssetsBillableAmounts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_ContractWithCustomerLiabilityMilestonePaymentReceived" name="ContractWithCustomerLiabilityMilestonePaymentReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_ContractWithCustomerLiabilityRevenueRecognizedPerformanceObligationsNoLongerCommence" name="ContractWithCustomerLiabilityRevenueRecognizedPerformanceObligationsNoLongerCommence" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_DilutiveSecuritiesEffectOnBasicEarningsPerShareChangeInFairValueOfWarrantLiability" name="DilutiveSecuritiesEffectOnBasicEarningsPerShareChangeInFairValueOfWarrantLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_EstimatedDevelopmentCostSharingRecoverableThroughEarnings" name="EstimatedDevelopmentCostSharingRecoverableThroughEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_ExpectedMilestonePaymentReceivable" name="ExpectedMilestonePaymentReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_GrossproceedsfromissuanceOfcommonstock" name="GrossproceedsfromissuanceOfcommonstock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_IncreaseDecreaseInOperatingLeaseLiabilitiesCurrent" name="IncreaseDecreaseInOperatingLeaseLiabilitiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_IncreaseDecreaseInUnbilledReceivable" name="IncreaseDecreaseInUnbilledReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_InitialRecognitionOfOperatingLeaseRightOfUseAsset" name="InitialRecognitionOfOperatingLeaseRightOfUseAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_LicenseObligationAccountTransactionPriceAllocated" name="LicenseObligationAccountTransactionPriceAllocated" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_MilestonePaymentsMaximumAmount" name="MilestonePaymentsMaximumAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_MinimumBidPricePerShare" name="MinimumBidPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_NonCashLeaseExpense" name="NonCashLeaseExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_NumberOfClinicalStageCandidates" name="NumberOfClinicalStageCandidates" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_NumberOfSharesAgreedToBeSoldUnderAgreement" name="NumberOfSharesAgreedToBeSoldUnderAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_NumberOfSharesForEachUnitOfRestrictedStock" name="NumberOfSharesForEachUnitOfRestrictedStock" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="meip_NumberOfSharesIssuedOnWarrantExercise" name="NumberOfSharesIssuedOnWarrantExercise" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_NumberOfSharesToBeReceived" name="NumberOfSharesToBeReceived" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="meip_NumberOfSquareFeetUnderLease" name="NumberOfSquareFeetUnderLease" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="meip_NumberOfWarrantsExercised" name="NumberOfWarrantsExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_PaymentForLicenseAgreement" name="PaymentForLicenseAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_PercentageOfPurchasesFromMajorSuppliers" name="PercentageOfPurchasesFromMajorSuppliers" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_PercentageOfReimbursementOfPassThroughCostsAsRevenue" name="PercentageOfReimbursementOfPassThroughCostsAsRevenue" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_PotentialMilestonePaymentsReceivable" name="PotentialMilestonePaymentsReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_ReceivablesAmountsBilled" name="ReceivablesAmountsBilled" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_ReceivablesPaymentsReceived" name="ReceivablesPaymentsReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_SaleOfSharesAndWarrantsUnderAgreement" name="SaleOfSharesAndWarrantsUnderAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_SeveranceBenefitsAndRelatedCosts" name="SeveranceBenefitsAndRelatedCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_Sharebasedcompensationarrangementbysharebasedpaymentawardoptionsclosingstockprice" name="Sharebasedcompensationarrangementbysharebasedpaymentawardoptionsclosingstockprice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="meip_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpiredInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpiredInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpiredInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpiredInPeriodWeightedAverageExercisePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_ShelfRegistrationExpirationDate" name="ShelfRegistrationExpirationDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_ShelfRegistrationStatementValue" name="ShelfRegistrationStatementValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_Stockissuedduringperiodvaluestockwarrantsexercised" name="Stockissuedduringperiodvaluestockwarrantsexercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_TotalTransactionPriceInRespectOfColloborationRevenue" name="TotalTransactionPriceInRespectOfColloborationRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_TotalUpfrontPaymentReceivableForGrantOfRights" name="TotalUpfrontPaymentReceivableForGrantOfRights" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_TransactionFee" name="TransactionFee" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_UnsoldSecuritiesSharesAndWarrantsUnderAgreement" name="UnsoldSecuritiesSharesAndWarrantsUnderAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_UpfrontAndMilestonePayments" name="UpfrontAndMilestonePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="meip_UpFrontPayment" name="UpFrontPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="meip_EventDomain" name="EventDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_ContractWithCustomerAssetAndLiabilityLineItems" name="ContractWithCustomerAssetAndLiabilityLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_FairValueMeasurementsSignificantUnobservableInputsLineItems" name="FairValueMeasurementsSignificantUnobservableInputsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_PotentiallyDilutiveSecuritiesOutstandingLineItems" name="PotentiallyDilutiveSecuritiesOutstandingLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_RecognizedRevenueAssociatedWithTheFollowingLicenseAgreementsLineItems" name="RecognizedRevenueAssociatedWithTheFollowingLicenseAgreementsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_AtTheMarketSaleAgreementMember" name="AtTheMarketSaleAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_CydexLicenseAgreementMember" name="CydexLicenseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_DevelopmentServicesMember" name="DevelopmentServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_DevelopmentServicesPerformanceObligationsMember" name="DevelopmentServicesPerformanceObligationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_EmployeesMember" name="EmployeesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_ExUsLicenseMember" name="ExUsLicenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_HelsinnLicenseAgreementMember" name="HelsinnLicenseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_IncrementalPaymentMember" name="IncrementalPaymentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_InducementPlanMember" name="InducementPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_InfinitysStockholdersMember" name="InfinitysStockholdersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_KkcAgreementsMember" name="KkcAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_KyowaKirinCoMember" name="KyowaKirinCoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_PassThroughServicesMember" name="PassThroughServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_PhaseThreeClinicalTrialMember" name="PhaseThreeClinicalTrialMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_PotentialPaymentsOnAchievementOfDevelopmentRegulatoryAndCommercialMilestonesMember" name="PotentialPaymentsOnAchievementOfDevelopmentRegulatoryAndCommercialMilestonesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_PresageBiosciencesIncMember" name="PresageBiosciencesIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_PresageLicenseAgreementMember" name="PresageLicenseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_SanDiegoCaliforniaMember" name="SanDiegoCaliforniaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_SbioPurchaseAgreementMember" name="SbioPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_ServicesPerformedOverTimeMember" name="ServicesPerformedOverTimeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_TorreyaPartnersMember" name="TorreyaPartnersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_TwoThousandAndEightOmnibusPlanMember" name="TwoThousandAndEightOmnibusPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_TwoThousandAndTwentyAtTheMarketSaleAgreementMember" name="TwoThousandAndTwentyAtTheMarketSaleAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_UnderwrittenRegisteredOfferingMember" name="UnderwrittenRegisteredOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_UpdationOfInitialAssessmentMember" name="UpdationOfInitialAssessmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_UsLicenseMember" name="UsLicenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_ClinicalDevelopmentProgramsPolicyTextBlock" name="ClinicalDevelopmentProgramsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_LiquidityPolicyTextBlock" name="LiquidityPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_ContractWithCustomerAssetAndLiabilityTable" name="ContractWithCustomerAssetAndLiabilityTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_FairValueMeasurementsSignificantUnobservableInputsTable" name="FairValueMeasurementsSignificantUnobservableInputsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_RecognizedRevenueAssociatedWithTheFollowingLicenseAgreementsTable" name="RecognizedRevenueAssociatedWithTheFollowingLicenseAgreementsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="meip_FairValueOfWarrantLiabilityAssumptionsTableTextBlock" name="FairValueOfWarrantLiabilityAssumptionsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_ScheduleOfChangesInFairValueOfWarrantLiabilityTableTextBlock" name="ScheduleOfChangesInFairValueOfWarrantLiabilityTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_ScheduleOfRevenueAssociatedWithLicenseAgreementTableTextBlock" name="ScheduleOfRevenueAssociatedWithLicenseAgreementTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_DisclosureOfSupplementalCashFlowInformationRelatedToOperatingLeasesTableTextBlock" name="DisclosureOfSupplementalCashFlowInformationRelatedToOperatingLeasesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="meip_ReductionInForceAndCurrentEventsPolicyTextblock" name="ReductionInForceAndCurrentEventsPolicyTextblock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
</xsd:schema>
