<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019d46a6-7e9e-7fdb-beec-fd4311261345,g:466800d2-2be9-416d-a66f-3b2e03e9f3a7-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:cnta="http://www.cnta.com/20260331" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.cnta.com/20260331">
  <xs:import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cnta-20260331_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cnta-20260331_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cnta-20260331_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cnta-20260331_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="Cover" roleURI="http://www.cnta.com/role/Cover">
        <link:definition>0000001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheets" roleURI="http://www.cnta.com/role/ConsolidatedBalanceSheets">
        <link:definition>9952151 - Statement - Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheetsParenthetical" roleURI="http://www.cnta.com/role/ConsolidatedBalanceSheetsParenthetical">
        <link:definition>9952152 - Statement - Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofOperationsandComprehensiveLoss" roleURI="http://www.cnta.com/role/ConsolidatedStatementsofOperationsandComprehensiveLoss">
        <link:definition>9952153 - Statement - Consolidated Statements of Operations and Comprehensive Loss</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofOperationsandComprehensiveLossParenthetical" roleURI="http://www.cnta.com/role/ConsolidatedStatementsofOperationsandComprehensiveLossParenthetical">
        <link:definition>9952154 - Statement - Consolidated Statements of Operations and Comprehensive Loss (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofShareholdersEquity" roleURI="http://www.cnta.com/role/ConsolidatedStatementsofShareholdersEquity">
        <link:definition>9952155 - Statement - Consolidated Statements of Shareholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofCashFlows" roleURI="http://www.cnta.com/role/ConsolidatedStatementsofCashFlows">
        <link:definition>9952156 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationandDescriptionofBusiness" roleURI="http://www.cnta.com/role/OrganizationandDescriptionofBusiness">
        <link:definition>9952157 - Disclosure - Organization and Description of Business</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPolicies" roleURI="http://www.cnta.com/role/SummaryofSignificantAccountingPolicies">
        <link:definition>9952158 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EliLillyAgreement" roleURI="http://www.cnta.com/role/EliLillyAgreement">
        <link:definition>9952159 - Disclosure - Eli Lilly Agreement</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GenmabLicenseAgreement" roleURI="http://www.cnta.com/role/GenmabLicenseAgreement">
        <link:definition>9952160 - Disclosure - Genmab License Agreement</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurement" roleURI="http://www.cnta.com/role/FairValueMeasurement">
        <link:definition>9952161 - Disclosure - Fair Value Measurement</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BalanceSheetComponents" roleURI="http://www.cnta.com/role/BalanceSheetComponents">
        <link:definition>9952162 - Disclosure - Balance Sheet Components</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Debt" roleURI="http://www.cnta.com/role/Debt">
        <link:definition>9952163 - Disclosure - Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://www.cnta.com/role/CommitmentsandContingencies">
        <link:definition>9952164 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedCompensation" roleURI="http://www.cnta.com/role/SharebasedCompensation">
        <link:definition>9952165 - Disclosure - Share-based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformation" roleURI="http://www.cnta.com/role/SegmentInformation">
        <link:definition>9952166 - Disclosure - Segment Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesPolicies" roleURI="http://www.cnta.com/role/SummaryofSignificantAccountingPoliciesPolicies">
        <link:definition>9955511 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesTables" roleURI="http://www.cnta.com/role/SummaryofSignificantAccountingPoliciesTables">
        <link:definition>9955512 - Disclosure - Summary of Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementTables" roleURI="http://www.cnta.com/role/FairValueMeasurementTables">
        <link:definition>9955513 - Disclosure - Fair Value Measurement (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BalanceSheetComponentsTables" roleURI="http://www.cnta.com/role/BalanceSheetComponentsTables">
        <link:definition>9955514 - Disclosure - Balance Sheet Components (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtTables" roleURI="http://www.cnta.com/role/DebtTables">
        <link:definition>9955515 - Disclosure - Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedCompensationTables" roleURI="http://www.cnta.com/role/SharebasedCompensationTables">
        <link:definition>9955516 - Disclosure - Share-based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationTables" roleURI="http://www.cnta.com/role/SegmentInformationTables">
        <link:definition>9955517 - Disclosure - Segment Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationandDescriptionofBusinessDetails" roleURI="http://www.cnta.com/role/OrganizationandDescriptionofBusinessDetails">
        <link:definition>9955518 - Disclosure - Organization and Description of Business (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesScheduleofReconciliationofCashCashEquivalentsandRestrictedCashDetails" roleURI="http://www.cnta.com/role/SummaryofSignificantAccountingPoliciesScheduleofReconciliationofCashCashEquivalentsandRestrictedCashDetails">
        <link:definition>9955519 - Disclosure - Summary of Significant Accounting Policies - Schedule of Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesScheduleofAntidilutiveSecuritiesExcludedfromComputationofDilutedWeightedAverageOrdinarySharesOutstandingDetails" roleURI="http://www.cnta.com/role/SummaryofSignificantAccountingPoliciesScheduleofAntidilutiveSecuritiesExcludedfromComputationofDilutedWeightedAverageOrdinarySharesOutstandingDetails">
        <link:definition>9955520 - Disclosure - Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Diluted Weighted-Average Ordinary Shares Outstanding (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EliLillyAgreementDetails" roleURI="http://www.cnta.com/role/EliLillyAgreementDetails">
        <link:definition>9955521 - Disclosure - Eli Lilly Agreement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GenmabLicenseAgreementDetails" roleURI="http://www.cnta.com/role/GenmabLicenseAgreementDetails">
        <link:definition>9955522 - Disclosure - Genmab License Agreement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails" roleURI="http://www.cnta.com/role/FairValueMeasurementScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails">
        <link:definition>9955523 - Disclosure - Fair Value Measurement - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementScheduleofDebtSecuritiesFairValueofUSTreasurySecuritiesandMoneyMarketFundDetails" roleURI="http://www.cnta.com/role/FairValueMeasurementScheduleofDebtSecuritiesFairValueofUSTreasurySecuritiesandMoneyMarketFundDetails">
        <link:definition>9955524 - Disclosure - Fair Value Measurement - Schedule of Debt Securities, Fair Value of U.S. Treasury Securities and Money Market Fund (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementScheduleofDebtSecuritiesFairValueofUSTreasurySecuritiesandMoneyMarketFundDetails_1" roleURI="http://www.cnta.com/role/FairValueMeasurementScheduleofDebtSecuritiesFairValueofUSTreasurySecuritiesandMoneyMarketFundDetails_1">
        <link:definition>9955524 - Disclosure - Fair Value Measurement - Schedule of Debt Securities, Fair Value of U.S. Treasury Securities and Money Market Fund (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementNarrativeDetails" roleURI="http://www.cnta.com/role/FairValueMeasurementNarrativeDetails">
        <link:definition>9955525 - Disclosure - Fair Value Measurement - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BalanceSheetComponentsScheduleofPrepaidExpensesandOtherCurrentAssetsDetails" roleURI="http://www.cnta.com/role/BalanceSheetComponentsScheduleofPrepaidExpensesandOtherCurrentAssetsDetails">
        <link:definition>9955526 - Disclosure - Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BalanceSheetComponentsScheduleofAccruedExpensesandOtherCurrentLiabilitiesDetails" roleURI="http://www.cnta.com/role/BalanceSheetComponentsScheduleofAccruedExpensesandOtherCurrentLiabilitiesDetails">
        <link:definition>9955527 - Disclosure - Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BalanceSheetComponentsScheduleofPropertyandEquipmentNetDetails" roleURI="http://www.cnta.com/role/BalanceSheetComponentsScheduleofPropertyandEquipmentNetDetails">
        <link:definition>9955528 - Disclosure - Balance Sheet Components - Schedule of Property and Equipment, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofDebtDetails" roleURI="http://www.cnta.com/role/DebtScheduleofDebtDetails">
        <link:definition>9955529 - Disclosure - Debt - Schedule of Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofMaturitiesofLongTermDebtDetails" roleURI="http://www.cnta.com/role/DebtScheduleofMaturitiesofLongTermDebtDetails">
        <link:definition>9955530 - Disclosure - Debt - Schedule of Maturities of Long-Term Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesDetails" roleURI="http://www.cnta.com/role/CommitmentsandContingenciesDetails">
        <link:definition>9955531 - Disclosure - Commitments and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedCompensationNarrativeDetails" roleURI="http://www.cnta.com/role/SharebasedCompensationNarrativeDetails">
        <link:definition>9955532 - Disclosure - Share-based Compensation - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedCompensationScheduleofShareBasedCompensationExpenseDetails" roleURI="http://www.cnta.com/role/SharebasedCompensationScheduleofShareBasedCompensationExpenseDetails">
        <link:definition>9955533 - Disclosure - Share-based Compensation - Schedule of Share-Based Compensation Expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedCompensationScheduleofStockOptionActivityDetails" roleURI="http://www.cnta.com/role/SharebasedCompensationScheduleofStockOptionActivityDetails">
        <link:definition>9955534 - Disclosure - Share-based Compensation - Schedule of Stock Option Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedCompensationScheduleofAssumptionsUsedtoEstimateFairValueofStockOptionAwardsDetails" roleURI="http://www.cnta.com/role/SharebasedCompensationScheduleofAssumptionsUsedtoEstimateFairValueofStockOptionAwardsDetails">
        <link:definition>9955535 - Disclosure - Share-based Compensation - Schedule of Assumptions Used to Estimate Fair Value of Stock Option Awards (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedCompensationSummaryofRestrictedStockandRestrictedStockUnitActivityDetails" roleURI="http://www.cnta.com/role/SharebasedCompensationSummaryofRestrictedStockandRestrictedStockUnitActivityDetails">
        <link:definition>9955536 - Disclosure - Share-based Compensation - Summary of Restricted Stock and Restricted Stock Unit, Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationDetails" roleURI="http://www.cnta.com/role/SegmentInformationDetails">
        <link:definition>9955537 - Disclosure - Segment Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="cnta_AmericanDepositarySharesMember" abstract="true" name="AmericanDepositarySharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_TaxIncentiveReceivableCurrent" abstract="false" name="TaxIncentiveReceivableCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsVestedInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsVestedInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="cnta_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsAggregateIntrinsicValueVested" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsAggregateIntrinsicValueVested" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_IncreaseDecreaseInTaxIncentiveReceivables" abstract="false" name="IncreaseDecreaseInTaxIncentiveReceivables" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_AtTheMarketProgramMember" abstract="true" name="AtTheMarketProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_UnderwriterOfferingMember" abstract="true" name="UnderwriterOfferingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_CommonStockReceivablePerCompanyShare" abstract="false" name="CommonStockReceivablePerCompanyShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="cnta_CommonStockTransferableContingentValue" abstract="false" name="CommonStockTransferableContingentValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cnta_CommonStockAdditionalCashPayment" abstract="false" name="CommonStockAdditionalCashPayment" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="cnta_SaleOfStockMaximumConsiderationReceivable" abstract="false" name="SaleOfStockMaximumConsiderationReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_SaleOfStockNumberOfSharesIssuedPerOrdinaryShare" abstract="false" name="SaleOfStockNumberOfSharesIssuedPerOrdinaryShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="cnta_CashAndCashEquivalentsAndShortTermInvestments" abstract="false" name="CashAndCashEquivalentsAndShortTermInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_TerminationFee" abstract="false" name="TerminationFee" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_ContingentValueRightsAgreementMaximumReceivablePerAgreement" abstract="false" name="ContingentValueRightsAgreementMaximumReceivablePerAgreement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cnta_AdvisoryFees" abstract="false" name="AdvisoryFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_GenmabASMember" abstract="true" name="GenmabASMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_ContractWithCustomerMaximumNumberOfUndisclosedTargetsToResearchProducts" abstract="false" name="ContractWithCustomerMaximumNumberOfUndisclosedTargetsToResearchProducts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cnta_ContractWithCustomerMaximumNumberOfLicensesForDevelopmentAndCommercializationOfProducts" abstract="false" name="ContractWithCustomerMaximumNumberOfLicensesForDevelopmentAndCommercializationOfProducts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cnta_RevenueRemainingPerformanceObligationVariableConsiderationAmount" abstract="false" name="RevenueRemainingPerformanceObligationVariableConsiderationAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_RevenueFromContractWithCustomerPotentialAdditionalDevelopmentRegulatoryAndSalesMilestonePayments" abstract="false" name="RevenueFromContractWithCustomerPotentialAdditionalDevelopmentRegulatoryAndSalesMilestonePayments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossWithAccumulatedUnrealizedLoss" abstract="false" name="DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossWithAccumulatedUnrealizedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossWithoutAccumulatedUnrealizedLoss" abstract="false" name="DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossWithoutAccumulatedUnrealizedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainBeforeTaxWithAccumulatedUnrealizedLoss" abstract="false" name="DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainBeforeTaxWithAccumulatedUnrealizedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainBeforeTaxWithoutAccumulatedUnrealizedLoss" abstract="false" name="DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainBeforeTaxWithoutAccumulatedUnrealizedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedLossBeforeTaxWithAccumulatedUnrealizedLoss" abstract="false" name="DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedLossBeforeTaxWithAccumulatedUnrealizedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedLossBeforeTaxWithoutAccumulatedUnrealizedLoss" abstract="false" name="DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedLossBeforeTaxWithoutAccumulatedUnrealizedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_DebtSecuritiesAvailableForSaleExcludingAccruedInterestWithAccumulatedUnrealizedLoss" abstract="false" name="DebtSecuritiesAvailableForSaleExcludingAccruedInterestWithAccumulatedUnrealizedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_DebtSecuritiesAvailableForSaleExcludingAccruedInterestWithoutAccumulatedUnrealizedLoss" abstract="false" name="DebtSecuritiesAvailableForSaleExcludingAccruedInterestWithoutAccumulatedUnrealizedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_NumberOfDebtSecurities" abstract="false" name="NumberOfDebtSecurities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cnta_PrepaidResearchAndDevelopmentCosts" abstract="false" name="PrepaidResearchAndDevelopmentCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_AccruedResearchAndDevelopmentExpenseCurrent" abstract="false" name="AccruedResearchAndDevelopmentExpenseCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_LongTermDebtGrossEndOfTermCharge" abstract="false" name="LongTermDebtGrossEndOfTermCharge" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_LongTermDebtGrossAndEndOfTermCharge" abstract="false" name="LongTermDebtGrossAndEndOfTermCharge" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_EliLillyMember" abstract="true" name="EliLillyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_PurchaseObligationToBePaidYearOneThroughFive" abstract="false" name="PurchaseObligationToBePaidYearOneThroughFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_CollaborativeArrangementRightsAndObligationsAggregateDevelopmentMilestonePaymentExpense" abstract="false" name="CollaborativeArrangementRightsAndObligationsAggregateDevelopmentMilestonePaymentExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_CollaborativeArrangementRightsAndObligationsMaximumAggregateDevelopmentAndRegulatoryMilestonePayments" abstract="false" name="CollaborativeArrangementRightsAndObligationsMaximumAggregateDevelopmentAndRegulatoryMilestonePayments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_A2021PlanMember" abstract="true" name="A2021PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_ShareBasedPaymentArrangementOptionsAndRestrictedStockUnitMember" abstract="true" name="ShareBasedPaymentArrangementOptionsAndRestrictedStockUnitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateIntrinsicValueAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cnta_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_ResearchAndDevelopmentExpenseProgram" abstract="false" name="ResearchAndDevelopmentExpenseProgram" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_ResearchAndDevelopmentExpenseOtherProgramExpense" abstract="false" name="ResearchAndDevelopmentExpenseOtherProgramExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_ResearchAndDevelopmentExpenseTechnologyPlatform" abstract="false" name="ResearchAndDevelopmentExpenseTechnologyPlatform" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_DiscontinuedResearchAndDevelopmentExpenses" abstract="false" name="DiscontinuedResearchAndDevelopmentExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_OtherRDExpensesAbstract" abstract="true" name="OtherRDExpensesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cnta_ResearchAndDevelopmentExpenseTaxIncentives" abstract="false" name="ResearchAndDevelopmentExpenseTaxIncentives" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_TiaBushMember" abstract="true" name="TiaBushMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_MarioAlbertoAccardiMember" abstract="true" name="MarioAlbertoAccardiMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_IqbalHussainMember" abstract="true" name="IqbalHussainMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_KarenAndersonMember" abstract="true" name="KarenAndersonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_GregoryWeinhoffMember" abstract="true" name="GregoryWeinhoffMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
