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  <xs:element id="kprx_LesseeOperatingLeaseTenantImprovements" abstract="false" name="LesseeOperatingLeaseTenantImprovements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kprx_NumberOfLicenseAgreements" abstract="false" name="NumberOfLicenseAgreements" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="kprx_ResearchAndDevelopmentAllocationAxis" abstract="true" name="ResearchAndDevelopmentAllocationAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="kprx_ResearchAndDevelopmentAllocationDomain" abstract="true" name="ResearchAndDevelopmentAllocationDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kprx_KIO101Member" abstract="true" name="KIO101Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kprx_KIO104NetOfAdjustmentMember" abstract="true" name="KIO104NetOfAdjustmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kprx_UnallocatedResearchAndDevelopmentMember" abstract="true" name="UnallocatedResearchAndDevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kprx_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kprx_AccruedCollaborationCreditRollForward" abstract="true" name="AccruedCollaborationCreditRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="kprx_AccruedCollaborationCreditCurrent" abstract="false" name="AccruedCollaborationCreditCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kprx_CollaborativeArrangementDeferredCollaborationCreditAdjustments" abstract="false" name="CollaborativeArrangementDeferredCollaborationCreditAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kprx_CollaborativeArrangementAccruedExpenseAdjustmentsNotYetInvoiced" abstract="false" name="CollaborativeArrangementAccruedExpenseAdjustmentsNotYetInvoiced" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kprx_CollaborativeArrangementTaxAdjustments" abstract="false" name="CollaborativeArrangementTaxAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kprx_CollaborativeArrangementForeignCurrencyAdjustments" abstract="false" name="CollaborativeArrangementForeignCurrencyAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kprx_TOICollaborationAgreementPhase3Member" abstract="true" name="TOICollaborationAgreementPhase3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kprx_TOICollaborationAgreementQ42024CollaborationReceivableMember" abstract="true" name="TOICollaborationAgreementQ42024CollaborationReceivableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kprx_CollaborativeArrangementAmountSubmittedForReimbursement" abstract="false" name="CollaborativeArrangementAmountSubmittedForReimbursement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kprx_CollaborativeArrangementCollaborationCredits" abstract="false" name="CollaborativeArrangementCollaborationCredits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kprx_CollaborativeArrangementVarianceForeignExchangeTiming" abstract="false" name="CollaborativeArrangementVarianceForeignExchangeTiming" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kprx_CollaborativeArrangementAccruedExpenseAdjustments" abstract="false" name="CollaborativeArrangementAccruedExpenseAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kprx_BrianM.StremMember" abstract="true" name="BrianM.StremMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kprx_MelissaToscaMember" abstract="true" name="MelissaToscaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
