<?xml version="1.0" encoding="us-ascii"?>
<!-- DFIN ActiveDisclosure(SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2020-08-14T18:40:13.6602788+00:00 -->
<!-- Version            : 5.0.1.476 -->
<!-- Package ID         : 87a1016a0dea4b83b5f58aba61fcfc08 -->
<!-- Copyright (c) 2020 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<xsd:schema xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:us-types="http://fasb.org/us-types/2020-01-31" xmlns:stpr="http://xbrl.sec.gov/stpr/2018-01-31" xmlns:srt-types="http://fasb.org/srt-types/2020-01-31" xmlns:sic="http://xbrl.sec.gov/sic/2020-01-31" xmlns:lrmr="http://www.larimartx.com/20200630" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:srt="http://fasb.org/srt/2020-01-31" xmlns:us-gaap="http://fasb.org/us-gaap/2020-01-31" xmlns:naics="http://xbrl.sec.gov/naics/2017-01-31" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:country="http://xbrl.sec.gov/country/2020-01-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:currency="http://xbrl.sec.gov/currency/2020-01-31" xmlns:exch="http://xbrl.sec.gov/exch/2020-01-31" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.larimartx.com/20200630" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance" />
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase" />
  <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd" namespace="http://xbrl.sec.gov/country/2020-01-31" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/currency/2020/currency-2020-01-31.xsd" namespace="http://xbrl.sec.gov/currency/2020-01-31" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd" namespace="http://xbrl.sec.gov/dei/2019-01-31" />
  <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/non-numeric" />
  <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/numeric" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/exch/2020/exch-2020-01-31.xsd" namespace="http://xbrl.sec.gov/exch/2020-01-31" />
  <xsd:import schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" />
  <xsd:import schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/role/negated" />
  <xsd:import schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/role/net" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd" namespace="http://xbrl.sec.gov/naics/2017-01-31" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/sic/2020/sic-2020-01-31.xsd" namespace="http://xbrl.sec.gov/sic/2020-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd" namespace="http://fasb.org/srt/2020-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/srt/2020/elts/srt-roles-2020-01-31.xsd" namespace="http://fasb.org/srt-roles/2020-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/srt/2020/elts/srt-types-2020-01-31.xsd" namespace="http://fasb.org/srt-types/2020-01-31" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd" namespace="http://xbrl.sec.gov/stpr/2018-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd" namespace="http://fasb.org/us-gaap/2020-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-roles-2020-01-31.xsd" namespace="http://fasb.org/us-roles/2020-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-types-2020-01-31.xsd" namespace="http://fasb.org/us-types/2020-01-31" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:roleType id="TemplateLink" roleURI="http://www.larimartx.com/20200630/role/TemplateLink" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>00000 - Document - Template Link</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lrmr-20200630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:title="Calculation Links, all" xlink:type="simple" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lrmr-20200630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:title="Definition Links, all" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lrmr-20200630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:title="Label Links, all" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lrmr-20200630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:title="Presentation Links, all" xlink:type="simple" />
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DocumentDocumentAndEntityInformation" id="Role_DocumentDocumentAndEntityInformation">
        <link:definition>100000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/StatementCondensedConsolidatedBalanceSheets" id="Role_StatementCondensedConsolidatedBalanceSheets">
        <link:definition>100010 - Statement - Condensed Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/StatementCondensedConsolidatedBalanceSheetsParenthetical" id="Role_StatementCondensedConsolidatedBalanceSheetsParenthetical">
        <link:definition>100020 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsAndComprehensiveLoss" id="Role_StatementCondensedConsolidatedStatementsOfOperationsAndComprehensiveLoss">
        <link:definition>100030 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Loss</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/StatementCondensedConsolidatedStatementsOfChangesInStockholdersEquityDeficit" id="Role_StatementCondensedConsolidatedStatementsOfChangesInStockholdersEquityDeficit">
        <link:definition>100040 - Statement - Condensed Consolidated Statements of Changes in Stockholders&apos; Equity (Deficit)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/StatementCondensedConsolidatedStatementsOfCashFlows" id="Role_StatementCondensedConsolidatedStatementsOfCashFlows">
        <link:definition>100050 - Statement - Condensed Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/StatementCondensedConsolidatedStatementsOfCashFlowsParenthetical" id="Role_StatementCondensedConsolidatedStatementsOfCashFlowsParenthetical">
        <link:definition>100060 - Statement - Condensed Consolidated Statements of Cash Flows (Parenthetical)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureOrganizationNatureOfBusinessCOVID19RiskAndBasisOfPresentation" id="Role_DisclosureOrganizationNatureOfBusinessCOVID19RiskAndBasisOfPresentation">
        <link:definition>100070 - Disclosure - Organization, Nature of the Business, COVID-19 Risk and Basis of Presentation</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies" id="Role_DisclosureSummaryOfSignificantAccountingPolicies">
        <link:definition>100080 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureMergerAccounting" id="Role_DisclosureMergerAccounting">
        <link:definition>100090 - Disclosure - Merger Accounting</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureFairValueMeasurementsAndMarketableDebtSecurities" id="Role_DisclosureFairValueMeasurementsAndMarketableDebtSecurities">
        <link:definition>100100 - Disclosure - Fair Value Measurements and Marketable Debt Securities</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosurePrepaidExpensesAndOtherCurrentAssets" id="Role_DisclosurePrepaidExpensesAndOtherCurrentAssets">
        <link:definition>100110 - Disclosure - Prepaid Expenses and Other Current Assets</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureFixedAssets" id="Role_DisclosureFixedAssets">
        <link:definition>100120 - Disclosure - Fixed Assets</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureAccruedExpenses" id="Role_DisclosureAccruedExpenses">
        <link:definition>100130 - Disclosure - Accrued Expenses</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureStockholdersEquityAndStockOptions" id="Role_DisclosureStockholdersEquityAndStockOptions">
        <link:definition>100140 - Disclosure - Stockholders&#8217; Equity and Stock Options</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureCommitments" id="Role_DisclosureCommitments">
        <link:definition>100150 - Disclosure - Commitments</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureRelatedPartyTransactions" id="Role_DisclosureRelatedPartyTransactions">
        <link:definition>100160 - Disclosure - Related Party Transactions</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureSubsequentEvents" id="Role_DisclosureSubsequentEvents">
        <link:definition>100170 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" id="Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>100180 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesTables" id="Role_DisclosureSummaryOfSignificantAccountingPoliciesTables">
        <link:definition>100190 - Disclosure - Summary of Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureMergerAccountingTables" id="Role_DisclosureMergerAccountingTables">
        <link:definition>100200 - Disclosure - Merger Accounting (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureFairValueMeasurementsAndMarketableDebtSecuritiesTables" id="Role_DisclosureFairValueMeasurementsAndMarketableDebtSecuritiesTables">
        <link:definition>100210 - Disclosure - Fair Value Measurements and Marketable Debt Securities (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosurePrepaidExpensesAndOtherCurrentAssetsTables" id="Role_DisclosurePrepaidExpensesAndOtherCurrentAssetsTables">
        <link:definition>100220 - Disclosure - Prepaid Expenses and Other Current Assets (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureFixedAssetsTables" id="Role_DisclosureFixedAssetsTables">
        <link:definition>100230 - Disclosure - Fixed Assets (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureAccruedExpensesTables" id="Role_DisclosureAccruedExpensesTables">
        <link:definition>100240 - Disclosure - Accrued Expenses (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureStockholdersEquityAndStockOptionsTables" id="Role_DisclosureStockholdersEquityAndStockOptionsTables">
        <link:definition>100250 - Disclosure - Stockholders&#8217; Equity and Stock Options (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureCommitmentsTables" id="Role_DisclosureCommitmentsTables">
        <link:definition>100260 - Disclosure - Commitments (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureOrganizationNatureOfBusinessCOVID19RiskAndBasisOfPresentationAdditionalInformationDetail" id="Role_DisclosureOrganizationNatureOfBusinessCOVID19RiskAndBasisOfPresentationAdditionalInformationDetail">
        <link:definition>100270 - Disclosure - Organization, Nature of the Business, COVID-19 Risk and Basis of Presentation - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" id="Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail">
        <link:definition>100280 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfCommonStockEquivalentsOutstandingDetail" id="Role_DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfCommonStockEquivalentsOutstandingDetail">
        <link:definition>100290 - Disclosure - Summary of Significant Accounting Policies - Summary of Common Stock Equivalents Outstanding (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureMergerAccountingAdditionalInformationDetail" id="Role_DisclosureMergerAccountingAdditionalInformationDetail">
        <link:definition>100300 - Disclosure - Merger Accounting - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureMergerAccountingSummaryOfPurchasePricePaidInMergerDetail" id="Role_DisclosureMergerAccountingSummaryOfPurchasePricePaidInMergerDetail">
        <link:definition>100310 - Disclosure - Merger Accounting - Summary of Purchase Price Paid in Merger (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureMergerAccountingSummaryOfAllocationOfPurchasePriceToNetTangibleAndIntangibleAssetsAcquiredDetail" id="Role_DisclosureMergerAccountingSummaryOfAllocationOfPurchasePriceToNetTangibleAndIntangibleAssetsAcquiredDetail">
        <link:definition>100320 - Disclosure - Merger Accounting - Summary of Allocation of Purchase Price to Net Tangible and Intangible Assets Acquired (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureFairValueMeasurementsAndMarketableDebtSecuritiesAdditionalInformationDetail" id="Role_DisclosureFairValueMeasurementsAndMarketableDebtSecuritiesAdditionalInformationDetail">
        <link:definition>100330 - Disclosure - Fair Value Measurements and Marketable Debt Securities - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureFairValueMeasurementsAndMarketableDebtSecuritiesSummaryOfCashEquivalentsAndMarketableDebtSecuritiesDetail" id="Role_DisclosureFairValueMeasurementsAndMarketableDebtSecuritiesSummaryOfCashEquivalentsAndMarketableDebtSecuritiesDetail">
        <link:definition>100340 - Disclosure - Fair Value Measurements and Marketable Debt Securities - Summary of Cash Equivalents and Marketable Debt Securities (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureFairValueMeasurementsAndMarketableDebtSecuritiesSummaryOfMarketableDebtSecuritiesDetail" id="Role_DisclosureFairValueMeasurementsAndMarketableDebtSecuritiesSummaryOfMarketableDebtSecuritiesDetail">
        <link:definition>100350 - Disclosure - Fair Value Measurements and Marketable Debt Securities - Summary of Marketable Debt Securities (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosurePrepaidExpensesAndOtherCurrentAssetsScheduleOfPrepaidExpensesAndOtherCurrentAssetsDetail" id="Role_DisclosurePrepaidExpensesAndOtherCurrentAssetsScheduleOfPrepaidExpensesAndOtherCurrentAssetsDetail">
        <link:definition>100360 - Disclosure - Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureFixedAssetsScheduleOfFixedAssetsNetDetail" id="Role_DisclosureFixedAssetsScheduleOfFixedAssetsNetDetail">
        <link:definition>100370 - Disclosure - Fixed Assets - Schedule of Fixed Assets, Net (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureFixedAssetsAdditionalInformationDetail" id="Role_DisclosureFixedAssetsAdditionalInformationDetail">
        <link:definition>100380 - Disclosure - Fixed Assets - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureAccruedExpensesScheduleOfAccruedExpensesDetail" id="Role_DisclosureAccruedExpensesScheduleOfAccruedExpensesDetail">
        <link:definition>100390 - Disclosure - Accrued Expenses - Schedule of Accrued Expenses (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureStockholdersEquityAndStockOptionsAdditionalInformationDetail" id="Role_DisclosureStockholdersEquityAndStockOptionsAdditionalInformationDetail">
        <link:definition>100400 - Disclosure - Stockholders Equity and Stock Options - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureStockholdersEquityAndStockOptionsAssumptionsUsedToDetermineFairValueOfStockOptionsGrantedDetails" id="Role_DisclosureStockholdersEquityAndStockOptionsAssumptionsUsedToDetermineFairValueOfStockOptionsGrantedDetails">
        <link:definition>100410 - Disclosure - Stockholders Equity and Stock Options - Assumptions used to Determine Fair Value of Stock Options Granted (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureStockholdersEquityAndStockOptionsSummaryOfStockOptionActivityDetails" id="Role_DisclosureStockholdersEquityAndStockOptionsSummaryOfStockOptionActivityDetails">
        <link:definition>100420 - Disclosure - Stockholders Equity and Stock Options - Summary of Stock Option Activity (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureStockholdersEquityAndStockOptionsSummaryOfStockBasedCompensationExpenseDetails" id="Role_DisclosureStockholdersEquityAndStockOptionsSummaryOfStockBasedCompensationExpenseDetails">
        <link:definition>100430 - Disclosure - Stockholders Equity and Stock Options - Summary of Stock-Based Compensation Expense (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureCommitmentsAdditionalInformationDetail" id="Role_DisclosureCommitmentsAdditionalInformationDetail">
        <link:definition>100440 - Disclosure - Commitments - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureCommitmentsScheduleOfMaturitiesOfLeaseLiabilitiesDueUnderLeaseAgreementsDetail" id="Role_DisclosureCommitmentsScheduleOfMaturitiesOfLeaseLiabilitiesDueUnderLeaseAgreementsDetail">
        <link:definition>100450 - Disclosure - Commitments - Schedule of Maturities of Lease Liabilities Due Under Lease Agreements (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureCommitmentsScheduleOfMaturitiesOfLeaseLiabilitiesDueUnderLeaseAgreementsDetail2" id="Role_DisclosureCommitmentsScheduleOfMaturitiesOfLeaseLiabilitiesDueUnderLeaseAgreementsDetail2">
        <link:definition>100460 - Disclosure - Commitments - Schedule of Maturities of Lease Liabilities Due Under Lease Agreements (Detail)2</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" id="Role_DisclosureRelatedPartyTransactionsAdditionalInformationDetails">
        <link:definition>100470 - Disclosure - Related Party Transactions - Additional Information (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.larimartx.com/20200630/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail" id="Role_DisclosureSubsequentEventsAdditionalInformationDetail">
        <link:definition>100480 - Disclosure - Subsequent Events - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="lrmr_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" name="LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_StockIssuedForMergerShares" name="StockIssuedForMergerShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_StockIssuedForMergerValue" name="StockIssuedForMergerValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_StockAndPreFundedWarrantsIssuedDuringPeriodSharesPrivatePlacement" name="StockAndPreFundedWarrantsIssuedDuringPeriodSharesPrivatePlacement" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_StockAndPreFundedWarrantsIssuedDuringPeriodValuePrivatePlacement" name="StockAndPreFundedWarrantsIssuedDuringPeriodValuePrivatePlacement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_IncreaseDecreaseInRightOfUseAssets" name="IncreaseDecreaseInRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_IncreaseDecreaseInOperatingLeaseLiabilities" name="IncreaseDecreaseInOperatingLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_PaymentsOfMergerTransactionCosts" name="PaymentsOfMergerTransactionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_OfferingCostsIncurredButNotYetPaid" name="OfferingCostsIncurredButNotYetPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_MergerTransactionCostsIncurredButNotYetPaid" name="MergerTransactionCostsIncurredButNotYetPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_PrepaidExpensesAndOtherCurrentAssetsTextBlock" name="PrepaidExpensesAndOtherCurrentAssetsTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_ReverseStockSplitPolicyTextBlock" name="ReverseStockSplitPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_GoingConcernPolicyTextBlock" name="GoingConcernPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_SummaryOfEstimatedPurchasePricePaidInMergerTableTextBlock" name="SummaryOfEstimatedPurchasePricePaidInMergerTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock" name="ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_Phase1ClinicalTrialResumePeriod" name="Phase1ClinicalTrialResumePeriod" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_ZafgenMember" name="ZafgenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_ChondrialMember" name="ChondrialMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_MergerAgreementMember" name="MergerAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_PrivateOfferingMember" name="PrivateOfferingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_ExchangeRateOfSharesIssuedPerShare" name="ExchangeRateOfSharesIssuedPerShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_CashCashEquivalentsRestrictedCashAndMarketableDebtSecuritiesAcquiredMerger" name="CashCashEquivalentsRestrictedCashAndMarketableDebtSecuritiesAcquiredMerger" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_ProceedsFromIssuanceCommonStockAndWarrantsNetOfferingCosts" name="ProceedsFromIssuanceCommonStockAndWarrantsNetOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_LikelihoodPercentageMinimum" name="LikelihoodPercentageMinimum" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_ClassOfWarrantOrRightIssued" name="ClassOfWarrantOrRightIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="lrmr_WarrantExcercisePrice" name="WarrantExcercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="lrmr_ChondrialTherapeuticsIncMember" name="ChondrialTherapeuticsIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentAssets" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNoncurrentAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCash" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAsset" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligationNoncurrent" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligationNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_PrepaidResearchAndDevelopmentExpenses" name="PrepaidResearchAndDevelopmentExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_TransactionCostsCapitalized" name="TransactionCostsCapitalized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_ResearchAndDevelopmentTaxCreditSaleReceivable" name="ResearchAndDevelopmentTaxCreditSaleReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_PayrollTaxesReceivable" name="PayrollTaxesReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_OtherPrepaidExpenseAndOtherCurrentAssets" name="OtherPrepaidExpenseAndOtherCurrentAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_AccruedResearchAndDevelopmentExpenseCurrent" name="AccruedResearchAndDevelopmentExpenseCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_MTSHealthPartnersMember" name="MTSHealthPartnersMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_RatablyOverFortyEightMonthsMember" name="RatablyOverFortyEightMonthsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_ExpectedFiveMonthRemainingVestingMember" name="ExpectedFiveMonthRemainingVestingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_TwoThousandFourteenStockOptionAndIncentivePlanAndTwoThousandSixStockOptionPlanMember" name="TwoThousandFourteenStockOptionAndIncentivePlanAndTwoThousandSixStockOptionPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_TwoThousandSixteenEquityAndIncentivePlanMember" name="TwoThousandSixteenEquityAndIncentivePlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_VestedRecognizedImmediatelyMember" name="VestedRecognizedImmediatelyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_NonvestedRecognizeOverRemainingTermMember" name="NonvestedRecognizeOverRemainingTermMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_TwoThousandFourteenStockOptionAndIncentivePlanMember" name="TwoThousandFourteenStockOptionAndIncentivePlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_FirstAnniversaryMember" name="FirstAnniversaryMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_TwoThousandTwentyEquityIncentivePlanMember" name="TwoThousandTwentyEquityIncentivePlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_MarketBasedStockOptionsMember" name="MarketBasedStockOptionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_WarrantsIssuedPricePerShare" name="WarrantsIssuedPricePerShare" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="lrmr_StockAndWarrantIssuanceTransactionCosts" name="StockAndWarrantIssuanceTransactionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue1" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateGrantDateFairValue1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_IssuanceOfOptions" name="IssuanceOfOptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_NumberOfOptionsToPurchaseCommonUnitPriorToConversion" name="NumberOfOptionsToPurchaseCommonUnitPriorToConversion" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="lrmr_NumberOfOptionsToPurchaseCommonUnitPostConversion" name="NumberOfOptionsToPurchaseCommonUnitPostConversion" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="lrmr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePricePostConversion" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePricePostConversion" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="lrmr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePricePriorToConversion" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePricePriorToConversion" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="lrmr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsModificationOfStockOptions" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsModificationOfStockOptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsModificationOfStockOptionsWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsModificationOfStockOptionsWeightedAverageExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_MilestonePaymentAmount" name="MilestonePaymentAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_MinimumAnnualRoyaltyObligation" name="MinimumAnnualRoyaltyObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_WakeForestUniversityHealthSciencesMember" name="WakeForestUniversityHealthSciencesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_IndianaUniversityResearchAndTechnologyCorporationMember" name="IndianaUniversityResearchAndTechnologyCorporationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_OfficeMember" name="OfficeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_OfficeAndLabMember" name="OfficeAndLabMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_LicenseAgreementConsiderationDeductionPercentage" name="LicenseAgreementConsiderationDeductionPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="lrmr_MilestoneLiability" name="MilestoneLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_MilestoneExpenses" name="MilestoneExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="lrmr_LeaseTermCommencementDate" name="LeaseTermCommencementDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_AreaOfOfficeSpace" name="AreaOfOfficeSpace" type="num:areaItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_AmountToBePaidForConsultingServices" name="AmountToBePaidForConsultingServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_PartnersCapitalAccountRestrictedCommonUnitsGranted" name="PartnersCapitalAccountRestrictedCommonUnitsGranted" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_PeriodOfAgreement" name="PeriodOfAgreement" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="lrmr_ConsultingAgreementMember" name="ConsultingAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_HoldingsMember" name="HoldingsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_RemainingRestrictedCommonUnitsMember" name="RemainingRestrictedCommonUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_VestsOverFortyEightMonthsMember" name="VestsOverFortyEightMonthsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_SeriesAPreferredUnitPurchaseAgreementMember" name="SeriesAPreferredUnitPurchaseAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_SeriesBBridgeUnitPurchaseAgreementMember" name="SeriesBBridgeUnitPurchaseAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_SecondSeriesBBridgeUnitPurchaseAgreementMember" name="SecondSeriesBBridgeUnitPurchaseAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="lrmr_StockIssuanceProgramAuthorizedAmount" name="StockIssuanceProgramAuthorizedAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="lrmr_ATMProgramMember" name="ATMProgramMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</xsd:schema>
