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        <link:definition>112 - Disclosure - INVENTORIES</link:definition>

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        <link:definition>139 - Disclosure - COMMON STOCK WARRANTS - Additional Information (Detail)</link:definition>

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        <link:definition>145 - Disclosure - SHARE-BASED COMPENSATION - Additional Information (Detail)</link:definition>

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        <link:definition>146 - Disclosure - INCOME TAXES - Additional Information (Detail)</link:definition>

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        <link:definition>147 - Disclosure - EARNINGS PER SHARE (&#34;EPS&#34;) - Reconciliation of Numerators and Denominators of Basic and Diluted EPS (Detail)</link:definition>

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        <link:definition>148 - Disclosure - COMMITMENTS AND CONTINGENCIES - Additional Information (Detail)</link:definition>

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  <import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />

  <import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />

  <import namespace="http://xbrl.sec.gov/dei/2014-01-31" schemaLocation="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd" />

  <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />

  <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />

  <import namespace="http://fasb.org/us-types/2016-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2016/elts/us-types-2016-01-31.xsd" />

  <element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_DocumentAndEntityInformationAbstract" />

  <element name="ResearchAndDevelopmentDisclosureAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_ResearchAndDevelopmentDisclosureAbstract" />

  <element name="ResearchAndDevelopmentDisclosureTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_ResearchAndDevelopmentDisclosureTextBlock" />

  <element name="CollaborationRevenueReceivable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_CollaborationRevenueReceivable" />

  <element name="RoyaltyReceivable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_RoyaltyReceivable" />

  <element name="SalesReturnsLiabilityCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_SalesReturnsLiabilityCurrent" />

  <element name="LongtermPortionOfAccruedInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_LongtermPortionOfAccruedInterest" />

  <element name="ScheduleOfPropertyPlantAndEquipmentNetCarryingValueTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_ScheduleOfPropertyPlantAndEquipmentNetCarryingValueTableTextBlock" />

  <element name="ScheduleOfLongTermDebtFuturePrincipalPaymentsYearTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_ScheduleOfLongTermDebtFuturePrincipalPaymentsYearTableTextBlock" />

  <element name="SummaryOfInformationAboutNonVestedStockOptionsDisclosureAbstractAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_SummaryOfInformationAboutNonVestedStockOptionsDisclosureAbstractAbstract" />

  <element name="DisclosureLicenseDevelopmentAndCommercializationAgreementAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_DisclosureLicenseDevelopmentAndCommercializationAgreementAdditionalInformationAbstract" />

  <element name="LicenseDevelopmentAndCommercializationAgreementTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="acur_LicenseDevelopmentAndCommercializationAgreementTable" />

  <element name="PfizerAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_PfizerAgreementMember" />

  <element name="EgaletAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_EgaletAgreementMember" />

  <element name="PaymentForTermination" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_PaymentForTermination" />

  <element name="MinimumNetSalesReachingDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_MinimumNetSalesReachingDescription" />

  <element name="AgreementTerminationNoticeDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_AgreementTerminationNoticeDescription" />

  <element name="CostOfSalesExcludingInventoryWriteDown" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_CostOfSalesExcludingInventoryWriteDown" />

  <element name="ScientificEquipmentMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_ScientificEquipmentMember" />

  <element name="ComputerHardwareAndSoftwareMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_ComputerHardwareAndSoftwareMember" />

  <element name="ImpairmentOfPropertyPlantAndEquipmentReserve" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_ImpairmentOfPropertyPlantAndEquipmentReserve" />

  <element name="DisclosureAccruedExpensesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_DisclosureAccruedExpensesAbstract" />

  <element name="AccountsPayableAndAccruedLiabilitiesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="acur_AccountsPayableAndAccruedLiabilitiesTable" />

  <element name="AccountsPayableAndAccruedLiabilitiesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_AccountsPayableAndAccruedLiabilitiesLineItems" />

  <element name="AccruedCostSharingExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_AccruedCostSharingExpenses" />

  <element name="AdvancedExpensesReimbursement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_AdvancedExpensesReimbursement" />

  <element name="AccruedOtherProfessionalFeesCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_AccruedOtherProfessionalFeesCurrent" />

  <element name="MarketingAdvertisingAndPromotion" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_MarketingAdvertisingAndPromotion" />

  <element name="DebtInstrumentClassificationAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_DebtInstrumentClassificationAmount" />

  <element name="DebtDiscountAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_DebtDiscountAbstract" />

  <element name="ScheduleOfInterestExpenseTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="acur_ScheduleOfInterestExpenseTable" />

  <element name="ScheduleOfInterestExpenseLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_ScheduleOfInterestExpenseLineItems" />

  <element name="InterestExpenseDebtDiscount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_InterestExpenseDebtDiscount" />

  <element name="FirstRevenueEventDoesNotOccursMemberMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_FirstRevenueEventDoesNotOccursMemberMember" />

  <element name="DebtDefaultLongTermDebtPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="acur_DebtDefaultLongTermDebtPercentage" />

  <element name="DebtinstrumentPrepaymentPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_DebtinstrumentPrepaymentPercentage" />

  <element name="DebtConsultingPlacementFee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_DebtConsultingPlacementFee" />

  <element name="ClassOfWarrantOrRightExpirationDate" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_ClassOfWarrantOrRightExpirationDate" />

  <element name="DebtInstrumentCashMaintenance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_DebtInstrumentCashMaintenance" />

  <element name="DisclosureCommonStockWarrantsAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_DisclosureCommonStockWarrantsAdditionalInformationAbstract" />

  <element name="StockOptionPlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_StockOptionPlanMember" />

  <element name="SummaryOfInformationAboutNonVestedStockOptionsDisclosureTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="acur_SummaryOfInformationAboutNonVestedStockOptionsDisclosureTable" />

  <element name="SummaryOfInformationAboutNonVestedStockOptionsDisclosureLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_SummaryOfInformationAboutNonVestedStockOptionsDisclosureLineItems" />

  <element name="RsusMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_RsusMember" />

  <element name="VestedRestrictedStockUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_VestedRestrictedStockUnitsMember" />

  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsDistributedInPeriod" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsDistributedInPeriod" />

  <element name="EmployeeBenefitPlansDisclosureTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="acur_EmployeeBenefitPlansDisclosureTable" />

  <element name="RestrictedStockAwardPlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_RestrictedStockAwardPlanMember" />

  <element name="FourNonEmployeeDirectorsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_FourNonEmployeeDirectorsMember" />

  <element name="SettledInCashMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_SettledInCashMember" />

  <element name="EmployeeBenefitPlansDisclosureLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_EmployeeBenefitPlansDisclosureLineItems" />

  <element name="ShareBasedCompensationArrangementShareBasedPaymentSharesReservedForFutureDistribution" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_ShareBasedCompensationArrangementShareBasedPaymentSharesReservedForFutureDistribution" />

  <element name="IncomeTaxDisclosureTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="acur_IncomeTaxDisclosureTable" />

  <element name="FederalResearchAndDevelopmentMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_FederalResearchAndDevelopmentMember" />

  <element name="IndianaStateResearchAndDevelopmentMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_IndianaStateResearchAndDevelopmentMember" />

  <element name="IncomeTaxDisclosureLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_IncomeTaxDisclosureLineItems" />

  <element name="OperatingLossCarryForwardsExpirationYear" type="xbrli:gYearItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_OperatingLossCarryForwardsExpirationYear" />

  <element name="DisclosureCommitmentsAndContingenciesAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_DisclosureCommitmentsAndContingenciesAdditionalInformationAbstract" />

  <element name="CommitmentsAndContingenciesDisclosureTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="acur_CommitmentsAndContingenciesDisclosureTable" />

  <element name="LocationAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="acur_LocationAxis" />

  <element name="PennsylvaniaStateMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_PennsylvaniaStateMember" />

  <element name="NewJerseyStateMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_NewJerseyStateMember" />

  <element name="CaliforniaStateMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_CaliforniaStateMember" />

  <element name="PalatineIllinoisMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_PalatineIllinoisMember" />

  <element name="NumberOfLawsuitsFiled" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="acur_NumberOfLawsuitsFiled" />

  <element name="NumberOfLawsuitsServed" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="acur_NumberOfLawsuitsServed" />

  <element name="ProvisionForSalesReturns" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_ProvisionForSalesReturns" />

  <element name="AmortizationOfBondPremiumInMarketableSecurities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_AmortizationOfBondPremiumInMarketableSecurities" />

  <element name="IncreaseDecreaseInCollaborationRevenueReceivable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_IncreaseDecreaseInCollaborationRevenueReceivable" />

  <element name="IncreaseDecreaseInRoyaltyReceivable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_IncreaseDecreaseInRoyaltyReceivable" />

  <element name="ProceedsFromSaleOfInventory" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_ProceedsFromSaleOfInventory" />

  <element name="CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" />

  <element name="CashPaidDuringPeriodForAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_CashPaidDuringPeriodForAbstract" />

  <element name="DescriptionOfOperationAndSummaryOfSignificantAccountingPoliciesDisclosureAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_DescriptionOfOperationAndSummaryOfSignificantAccountingPoliciesDisclosureAbstract" />

  <element name="RevenueRecognitionMultipleDeliverableArrangementsTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_RevenueRecognitionMultipleDeliverableArrangementsTextBlock" />

  <element name="EarningsPerShareDilutedNumeratorAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_EarningsPerShareDilutedNumeratorAbstract" />

  <element name="IncrementalCommonSharesAttributableToConversionOfCommonStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_IncrementalCommonSharesAttributableToConversionOfCommonStock" />

  <element name="IncrementalCommonSharesAttributableToRestrictedStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_IncrementalCommonSharesAttributableToRestrictedStock" />

  <element name="ClassificationOfDebtDiscountPremium" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_ClassificationOfDebtDiscountPremium" />

  <element name="AdditionsToDebtInstrumentUnamortizedDiscount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_AdditionsToDebtInstrumentUnamortizedDiscount" />

  <element name="PriorToDecemberTwentySevenTwoThousandFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_PriorToDecemberTwentySevenTwoThousandFifteenMember" />

  <element name="OtherAccruedTaxesCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_OtherAccruedTaxesCurrent" />

  <element name="ShareBasedCompensationExpenseRecognizedInOperations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_ShareBasedCompensationExpenseRecognizedInOperations" />

  <element name="DebtIssuanceCostsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_DebtIssuanceCostsAbstract" />

  <element name="DebtInstrumentIssuanceCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_DebtInstrumentIssuanceCosts" />

  <element name="AmortizationExpenseOfDebtInstrumentIssuanceCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_AmortizationExpenseOfDebtInstrumentIssuanceCosts" />

  <element name="ClassificationOfDeferredDebtIssuanceCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_ClassificationOfDeferredDebtIssuanceCosts" />

  <element name="ProceedsFromMilestonePaymentOnAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_ProceedsFromMilestonePaymentOnAgreement" />

  <element name="DistributedInCommonStockMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_DistributedInCommonStockMember" />

  <element name="ExcludedDilutiveSecuritiesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_ExcludedDilutiveSecuritiesAbstract" />

  <element name="CommonStockIssuableAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_CommonStockIssuableAbstract" />

  <element name="CommitmentsAndContingenciesDisclosureLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_CommitmentsAndContingenciesDisclosureLineItems" />

  <element name="PurduePharmaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_PurduePharmaMember" />

  <element name="LiquidityMattersAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_LiquidityMattersAbstract" />

  <element name="AccruedCostSharingExpensesClinicalStudies" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_AccruedCostSharingExpensesClinicalStudies" />

  <element name="OxfordTermLoanAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_OxfordTermLoanAgreementMember" />

  <element name="CashCashEquivalentAndMarketableSecurities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_CashCashEquivalentAndMarketableSecurities" />

  <element name="WorkingCapital" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_WorkingCapital" />

  <element name="LoanAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_LoanAgreementMember" />

  <element name="TermLoanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_TermLoanMember" />

  <element name="KempharmAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_KempharmAgreementMember" />

  <element name="AdditionalUpfrontPaymentReceivable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_AdditionalUpfrontPaymentReceivable" />

  <element name="AssetTransferredLicenseAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" xbrli:balance="debit" substitutionGroup="xbrli:item" id="acur_AssetTransferredLicenseAgreement" />

  <element name="LicensingAgreementRoyaltyPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_LicensingAgreementRoyaltyPercentage" />

  <element name="LicenseAgreementOptionProductsDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_LicenseAgreementOptionProductsDescription" />

  <element name="MainPointeAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_MainPointeAgreementMember" />

  <element name="SouthKoreaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_SouthKoreaMember" />

  <element name="IncreaseDecreaseInSalesReturnLiability" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" xbrli:balance="credit" substitutionGroup="xbrli:item" id="acur_IncreaseDecreaseInSalesReturnLiability" />

  <element name="LicenseDevelopmentAndCommercializationAgreementLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_LicenseDevelopmentAndCommercializationAgreementLineItems" />

  <element name="NexafedInventoryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_NexafedInventoryMember" />

  <element name="ReconciliationOfCashCashEquivalentsAndRestrictedCashAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="acur_ReconciliationOfCashCashEquivalentsAndRestrictedCashAbstract" />
</schema>






