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  <xsd:element id="trvi_AccruedExpensesDisclosureTextBlock" name="AccruedExpensesDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="trvi_SiliconValleyBankTermLoanMember" name="SiliconValleyBankTermLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_DebtInstrumentsPercentageOfRequiredToDepositUnrestrictedAndUnencumberedCashCollateral" name="DebtInstrumentsPercentageOfRequiredToDepositUnrestrictedAndUnencumberedCashCollateral" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="trvi_OptionsToPurchaseAdditionalShares" name="OptionsToPurchaseAdditionalShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="trvi_CommonStockWarrantsMember" name="CommonStockWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_LeaseLiabilitiesCurrentAbstract" name="LeaseLiabilitiesCurrentAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_ScheduleOfInformationRelatedToTheLeaseTermsAndDiscountRatesOfLeasesTableTextBlock" name="ScheduleOfInformationRelatedToTheLeaseTermsAndDiscountRatesOfLeasesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="trvi_CompletionOfStageOneMember" name="CompletionOfStageOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_DebtInstrumentFeeAmountAccrued" name="DebtInstrumentFeeAmountAccrued" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="trvi_WeightedAverageRemainingLeaseTermAbstract" name="WeightedAverageRemainingLeaseTermAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_RemainingLeasePaymentsSquareFeetOfOccupiedSpace" name="RemainingLeasePaymentsSquareFeetOfOccupiedSpace" type="dtr-types:areaItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="trvi_UnderwritingAgreementMember" name="UnderwritingAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_ScheduleOfLeaseRelatedAssetsAndLiabilitiesTableTextBlock" name="ScheduleOfLeaseRelatedAssetsAndLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="trvi_TwoThousandAndTwelveStockOptionAndGrantPlanMember" name="TwoThousandAndTwelveStockOptionAndGrantPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_AtTheMarketSalesAgreementMember" name="AtTheMarketSalesAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_StockholdersEquityLineItems" name="StockholdersEquityLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_IssuanceOfCommonStockAsConsiderationToPurchaseShares" name="IssuanceOfCommonStockAsConsiderationToPurchaseShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="trvi_MilestonePaymentsToBePaid" name="MilestonePaymentsToBePaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="trvi_ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualIncreaseMinimumPercentageOfOutstandingStock" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualIncreaseMinimumPercentageOfOutstandingStock" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="trvi_ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualIncreaseInNumberOfSharesMinimum" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualIncreaseInNumberOfSharesMinimum" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="trvi_ChangesInFairValueOfTermLoanDerivativeLiability" name="ChangesInFairValueOfTermLoanDerivativeLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="trvi_ProceedsFromIssuanceOfPrivatePlacementAfterDeductingIssuanceCosts" name="ProceedsFromIssuanceOfPrivatePlacementAfterDeductingIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="trvi_TwoThousandAndNineteenStockOptionAndGrantPlanMember" name="TwoThousandAndNineteenStockOptionAndGrantPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_TwoThousandAndTwelveStockIncentivePlanMember" name="TwoThousandAndTwelveStockIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_SeptemberTwoThousandTwentyTwoOfferingMember" name="SeptemberTwoThousandTwentyTwoOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_AccruedResearchAndDevelopmentExpensesPolicyTextBlock" name="AccruedResearchAndDevelopmentExpensesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="trvi_OperatingLeaseAssetsAbstract" name="OperatingLeaseAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_PublicAndPrivatePlacementsMember" name="PublicAndPrivatePlacementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_CompletionOfStageTwoMember" name="CompletionOfStageTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="trvi_WarrantsToPurchaseAggregateSharesOfCommonStock" name="WarrantsToPurchaseAggregateSharesOfCommonStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
</xsd:schema>
