VXRT Vaxart Inc

Attention:

[***]

Subject:

Modification No. 05 to RRPV Project Award No. 01; RRPV-24-04-NGVx-003

Reference:

RRPV Base Agreement No. 2024-606

1)

The Incremental Funding clause of the Project Award is hereby amended to read as indicated in bold below: 

5.

Incremental Funding

2)

Attachment A, Statement of Work, of the Project Award is hereby amended to read as attached herein.

Vaxart Biosciences Inc

Advanced Technology International

By:

/s/[***]

By:

/s/[***]

Name:

[***]

Name:

[***]

Title:

[***]

Title:

[***]

Date:

02/07/2025

Date:

02/07/2025

●

Determine the relative efficacy of the Vaxart’s COVID-19 vaccine candidate compared to the currently recommended booster dose for the prevention of symptomatic, PCR confirmed COVID-19

●

Assess the safety and tolerability of Vaxart’s COVID-19 vaccine candidate

●

Evaluate the humoral immunogenicity of Vaxart’s COVID-19 vaccine candidate

●

Evaluate cellular immunogenicity of Vaxart’s COVID-19 vaccine candidate

●

Evaluate the mucosal immune responses of Vaxart’s COVID-19 vaccine candidate

●

Determine the durability of Vaxart’s COVID-19 vaccine candidate compared to the currently recommended booster dose for the prevention of symptomatic, PCR confirmed COVID-19

●

Determine the relative efficacy of Vaxart’s COVID-19 vaccine candidate compared to the currently recommended booster dose for the prevention of asymptomatic, PCR confirmed COVID-19

●

Determine the relative efficacy of Vaxart’s COVID-19 vaccine candidate compared to the currently recommended booster dose for the prevention of severe PCR confirmed COVID-19

●

Efficacy subanalyses and Correlates of Protection analyses

●

To determine mucosal memory cell responses.

●

Clone antibodies that bind to SARS-COV-2 and other coronaviruses induced by the two vaccines and evaluate cloned antibodies for cross-reactivity and affinity.

●

The Principal Investigator (PI) for the project will work with Vaxart’s program management team and will be responsible for the technical and contractual deliverables of the program. The Vaxart Program Team (VPT), which includes representatives from BARDA, will conduct weekly progress meetings through the period of performance. In addition, the VPT will conduct monthly performance reviews in accordance with the USG contract/communication plan requirements. (WBS 1.1.1)

●

The Program Manager and Principal Investigator will have responsibility for deliverables from the Subcontractors. Each of the Subcontractors will be managed day-to-day by the program management team and the appropriate Vaxart Technical Lead. A Subcontract Management Plan will be submitted to BARDA within [***] of award in accordance with the ASPR Business Toolkit. The Project Manager shall have the responsibility of reporting to BARDA any material subcontract issues that could impact the timing and quality of the program deliverables. (WBS 1.1.2)

●

The PI and program management team are the leads and with the entire Project Teams input, have responsibility for Risk Identification and Mitigation. Included in this section is the generation of a Risk Management Plan (RMP) and Security Plan within [***] of contract award to be approved by BARDA. While monitoring risk will be on-going through the program and a topic for discussion in the telecons/meeting with BARDA, the Risk Register and associated documentation from the RMP will be updated no less than monthly and included in the Monthly Technical Progress Report to BARDA. (WBS 1.1.3)

●

Vaxart will perform and report on program performance as directed by BARDA. Included in this activity is program cost accounting and invoicing. (WBS 1.1.4)

●

Vaxart will maintain a quality management system to ensure that all activities carried out in accordance with the standards applicable to medical devices and pharmaceutical activities for clinical studies. Vaxart will use a Quality Assurance Surveillance Plan (QASP) with the key subcontractors in the program. The QASP, an element of Quality Management, will describe the methods used to monitor subcontractor performance, establish documentation/reporting requirements, and Vaxart’s interactions with the subcontractor. The QASP is a means for evaluating whether the subcontractor is meeting the performance standards/quality levels identified in the project work plan and the contractor’s quality control plan, and to ensure that the deliverables meet Vaxart’s commitment to BARDA in the program. (WBS 1.1.5)

●

As part of Vaxart’s overall program management activities including subcontractor, risk and quality management activities will travel to sites as necessary to oversee the project. (WBS 1.1.6)

●

Specific deliverables for WBS 1.1 subtasks are delineated in Section 4.0 Deliverables

●

Serum samples will be collected from all subjects according to the schedule detailed in the synopsis. Samples will be shipped from the clinical sites to a central repository. Samples from the central repository will be shipped to the CRO contracted by BARDA to measure serum antibody responses. (WBS1.2.1.1)

●

KP2 specific positive controls will be made and KP2 mouse immunogenicity data will be acquired. KP2 specific human antibodies (IgG and dIgA) will be identified/isolated/cloned from infected convalescent subjects (internal volunteers), or acquired via commercial sources, if available. These reagents will be used in assays at Vaxart for qualification of their assays. Animal studies demonstrating immunogenicity of the new KP2 vaccines will be performed and immunogenicity will be characterized. The data will be used in any FDA correspondence to allow for clinical evaluation of the KP2 oral vaccine candidate (WBS1.2.1.2)

●

PBMC samples will be taken from greater than 1,000 subjects, according to the timeline plan detailed in the protocol. These will be processed using the BARDA protocol of PBMC isolation. Samples will be shipped with a liquid N2 dry shipper to a central repository and provided to the CRO contracted by BARDA to measure to measure T cell responses to SARS-Cov-2 S protein. Additionally, 200 subjects (0 and 7 days post vaccination) enrolled in the study will be collected and processed using the Vaxart protocol for isolation. These samples will be used for assessing mucosal memory and mucosal homing markers in Phase 2. (WBS 1.2.1.3)

●

To test the effects of mucosal vaccination, saliva samples will be collected using [***] at timepoints post vaccination according to the schedule detailed in the synopsis. Samples will be shipped to the mucosal processing lab contracted by BARDA. Spike specific antibody levels will be assessed using MSD technology and functional antibodies (nAb) will be measured by [***]. Vaxart will evaluate a small subset for pan-coronavirus immune responses and nAb using surrogate neutralization assays (sVNTs). (WBS 1.2.2.1)

●

To test the effects of mucosal vaccination, nasal samples will be collected using Nasosorption devices (Mucosal Diagnostics) at timepoints post vaccination according to the schedule detailed in the synopsis. Samples will be shipped to the mucosal processing lab contracted by BARDA. Spike specific antibody levels will be assessed using MSD technology and functional antibodies (nAb) will be measured by [***]. Vaxart will evaluate a small subset for pan-coronavirus immune responses and nAb using surrogate neutralization assays (sVNTs). (WBS 1.2.2.2)

●

Subjects that report covid infection will be asked to provide nasal swab samples [***] to determine duration of shedding. Any subject testing positive for symptomatic infection will be sequenced from the first positive sample to determine the breakthrough strain. (WBS 1.2.3.1)

●

All subjects enrolled will be provided kits to swab weekly for SARS-COv-2 infection. Samples will be returned to a central lab by mail. Samples will be tested for asymptomatic infection. The central lab will compile the data and at the end of the study, the two different vaccines will be compared for relative protection against asymptomatic and symptomatic infection. (WBS 1.2.3.2)

●

Statistician with significant immune correlate analysis will develop an analysis plan to examine the relative importance of the correlates. (WBS 1.2.4.1)

●

At the end of the study, the data will be compiled on the various immune parameters, and correlates of protection analyzed against both symptomatic and asymptomatic infection. If more analysis of secondary endpoints is needed, additional samples may be added in the analysis. (WBS 1.2.4.2)

●

Vaxart will employ machine learning to refine the understanding risk factors and immune correlates are steps. (WBS 1.2.4.3)

●

CBC, Coagulation and Chem 7 testing per study protocol will be conducted (WBS 1.2.5.1)

●

Urine and pregnancy testing per study protocol will be conducted (WBS 1.2.5.2)

●

Repeat testing as required per study protocol will be conducted (WBS 1.2.5.3)

●

A comprehensive set of documents that provide critical information about the study and ensure regulatory compliance will be prepared for the XB and KP.2 cohorts . These documents include the study protocol, informed consent forms, investigator's brochure, case report forms, institutional review board (IRB) approvals, clinical trial agreements, financial disclosure forms, any adverse events, and additional safety-related reporting forms, and monitoring plans. (WBS 1.3.1.1)

●

Site contract negotiation and start-up will be completed for the XBB and KP.2 cohorts, continuing until all anticipated sites are activated. This will include finalization of details including site payment, indemnification, intellectual property rights, publication rights, and data ownership. (WBS 1.3.1.2)

●

Site budget negotiation will be completed. This will include finalization of the budget for activities for the XBB and KP.2 cohorts such as participant recruitment, study visits, data collection, site personnel costs, and any additional expenses related to the trial. (WBS 1.3.1.3)

●

Regulatory binders will be compiled for the XBB and KP.2 cohorts and sent to clinical sites participating in the trial. These include study protocol, investigator's brochure, informed consent forms, IRB approvals, financial disclosure forms, and other regulatory submissions. (WBS 1.3.1.4)

●

Prior to both the XBB and KP.2 cohorts, site initiation visits (SIVs) will be conducted to ensure that the research site is ready to initiate the study. During SIVs, representatives from the sponsor or contract research organization (CRO) will meet with the site staff to review study procedures, data collection methods, and regulatory requirements. (WBS 1.3.1.5). BARDA representative(s) will be invited at SIVs and IMVs with appropriate notice to allow for coordination with all parties.

●

CTM, as well as the mRNA comparator, will be shipped to investigative sites. Based on the site's enrollment needs, the sponsor or contract research organization (CRO) will generate drug shipment orders. These orders specify the quantity of investigational product required. The orders are then processed through an Interactive Web Response System (IWRS), which helps manage and track drug supplies supported by automated re-supply triggers. The IWRS assigns unique randomization numbers and treatment codes to participants, ensuring blinded allocation. The drug is then packaged, labeled, and shipped to the investigative sites following regulatory and logistical requirements. The site receives the shipment, confirms its integrity, and maintains appropriate storage and accountability records for the investigational product throughout the trial. (WBS 1.3.1.6).

o

The shipment of CTM for the initial 400 sentinel participants and the 10,000 participant KP.2 cohorts will be closely managed by Vaxart. The remaining unused XBB material can be disposed per written agreement with BARDA.

●

All other required laboratory and essential supplies will be shipped to investigative sites. These supplies can include items such as laboratory kits, specimen collection materials, study-specific laboratory tests, shipping containers, and labeling materials. The CRO ensures the timely provision of these supplies, often in accordance with the study protocol and specific requirements outlined by the sponsor. (WBS 1.3.1.7)

OMB/FDA/US Census Categories

2020/2023 US Census Data*

Planned Enrollment

Actual Enrollment

Subgroup Population

Sex

Female

50.5%

Male

49.5%

Total

100%

100%

100%

Ethnicity

Hispanic or Latino

19.5%

Not Hispanic or Latino**

N/A

Total

N/A

100%

100%

Race

American Indian or Alaska Native

1.3%

Asian

6.4%

Black or African American

13.7%

Native Hawaiian or Other Pacific Islander

0.3%

White

75.3%

Two or More Races***

3.1%

N/A

N/A

Total

100%

100%

100%

Age

18-64 years

60.6%

75%

≥ 65 years

17.7%

25%

Total

N/A

100%

100%

High Risk for Severe COVID****

75.4%

# Proposed Sites

●

Potential participants will undergo pre-screening including an initial evaluation to determine their eligibility (WBS 1.3.2.1)

●

Various efforts to identify and enroll an eligible and diverse participant population will be undertaken. These may include developing targeted recruitment strategies and advertisements to reach the intended participant population. Participant recruitment vendors may be engaged to assist with recruitment campaigns, utilizing various channels such as online platforms, social media, print media, and community outreach. BARDA, ASPR, and HHS logos are not allowable in any source of materials for recruitment (WBS 1.3.2.2)

●

Enrollment data will be provided daily, in a format and to a location agreed to by BARDA. to ensure that study enrollment is tracking study goals, including diversity goals. Strategies will be implemented to correct any enrollment lag or diversity imbalances identified.

●

If necessary, trial participants’ past medical or surgical history to confirm eligibility into the study will be requested. (WBS 1.3.2.3)

●

Participant informed consent will be obtained. (WBS 1.3.2.4)

●

Screening visits will be performed. (WBS 1.3.2.5)

●

Sites and investigators will verify participant eligibility for clinical trials by conducting a thorough evaluation. (WBS 1.3.2.6)

●

Participants will be randomized using the Interactive Web Response System (IWRS) which will assign unique identification numbers and determines treatment allocation based on the randomization schedule. (WBS 1.3.2.7)

●

Dosing data will be updated into EDC within 24 hours to support the daily data dashboard reporting. All other data will be updated into EDC within 48 hours.

●

Study visits will be performed as per the clinical trial protocol. Site visits will involve scheduling the visit, preparing study materials, administering assessments, and addressing study participants’ questions. Investigators oversee the visit, conducting physical examinations, reviewing data, making treatment decisions, and ensuring protocol adherence. (WBS 1.3.3.1)

●

Safety monitoring will be conducted throughout as per the clinical trial protocol and the testing outlined in 1.2.5. The safety monitoring process during study visits will include AE reporting, safety assessments, protocol adherence, and proactive pharmacovigilance measures. Study coordinators will systematically collect information on adverse events (AEs) or any untoward medical occurrences experienced by participants during or after the study visit. AEs can range from mild side effects to serious adverse reactions. These events will be documented, assessed for severity and causality, and reported to the appropriate regulatory authorities and the trial sponsor as per the established reporting timelines and guidelines. (WBS 1.3.3.2)

o

As recommended by the FDA, a Drug Safety Monitoring Board (DSMB) will convene and review safety data of the initial 400 participants in the sentinel cohort after they complete Day 31 (Visit 3). The raw data and the DSMB recommendation will then be submitted to BARDA and the FDA.

●

Biosamples will be collected as per the clinical trial protocol. Trained healthcare professionals will conduct phlebotomy to draw blood, and participants provide urine samples as required. After collection, the biosamples will be processed, labelled and stored until shipping. Biosamples will be transported to designated laboratories using specialized containers that maintain required temperatures. The collection of PBMC (Peripheral Blood Mononuclear Cell) samples involves a specialized process to obtain these immune cells from the blood for research purposes. Trained healthcare professionals will perform venipuncture to draw blood from the participant. The sample will be processed, labeled and then cryopreserved or immediately used for various immune-based assays or research investigations. (WBS 1.3.3.3)

●

Clinical Research Associates (CRAs) will travel as necessary to conduct routine monitoring visits. During these visits, CRAs review study data, source documents, and participant records, ensuring compliance with protocols and regulations. Additionally, they will provide support and training to site personnel, address any issues or queries, and ensure adherence to Good Clinical Practice (GCP) standards. (WBS 1.3.4.1)

●

Clinical Research Associates (CRAs) will conduct source data verification (SDV) to review and confirm the accuracy of data recorded in source documents against the study database. CRAs will cross-reference source documents like medical records and lab reports with case report forms (CRFs) to identify discrepancies or errors. Data queries are raised to resolve any issues, ensuring data accuracy and compliance with the study protocol and regulatory standards. CRAs also assess participant safety and provide guidance to site personnel, ultimately upholding data quality and the integrity of the clinical trial while safeguarding participant well-being. (WBS 1.3.4.2)

●

Meetings with investigators will be conducted as necessary to ensure planning, coordination and to discuss essential trial-related topics. The sponsor or CRO schedules the meetings and prepares an agenda, covering aspects such as trial progress, protocol compliance, safety updates, data quality, participant retention, and investigational product management. During the meetings, investigators may provide updates on recruitment, safety data, and protocol adherence while addressing challenges and proposing strategies for participant retention. (WBS 1.3.4.3)

●

Monitoring or trip reports will be prepared by Clinical Research Associates (CRAs) after conducting routine monitoring visits to research sites. These reports will include a detailed account of the visit, including site activities, data verification, source document review, and any findings or discrepancies identified. They will document participant safety assessments, compliance with the study protocol and regulatory guidelines, and any issues or concerns raised during the visit. (WBS 1.3.4.4)

●

Ongoing site supplies management will be performed during the clinical trial. These activities involve systematic inventory monitoring, timely replenishment, and distribution of essential materials and investigational products to research sites. (WBS 1.3.4.5)

●

Query resolution activities will include identification and rectification of discrepancies or missing information in study data. Data managers or clinical research associates (CRAs) review the data for inconsistencies and raise queries to the site personnel or data entry personnel to seek clarification or corrections. These queries are documented and communicated to the site, and the site responds with the necessary information to resolve the query. (WBS 1.3.5.1)

●

A statistical analysis plan (SAP) will be developed and finalized prior to database unblinding. The effort will begin with defining the trial's primary and secondary objectives, study endpoints, and the statistical methods to be employed. The SAP outlines the data handling procedures, data transformations, and imputation methods for missing data. Additionally, it specifies the statistical tests and models to be used, sample size calculations, and adjustments for multiple comparisons. The SAP also addresses subgroup analyses, sensitivity analyses, and any predefined interim analysis if applicable. (WBS 1.3.5.2)

●

Programming specifications for biostatistical analysis will be developed. This effort involves collaboration between biostatisticians and programmers and will result in final programming specifications are established, ensuring robust and reliable data analysis for the clinical trial. (WBS 1.3.5.3)

●

Method validation will be completed to ensure the statistical methods used for data analysis are appropriate, accurate, and reliable. (WBS 1.3.5.4)

●

PI attestation will be completed. During this process, the PI reviews and confirms the appropriateness and accuracy of the statistical methods used for data analysis. The PI then provides a formal attestation, verifying that the statistical methods are aligned with the study objectives, are appropriate for the data collected, and comply with regulatory requirements. (WBS 1.3.5.5)

●

Tables, figures and listings will be generated. Once approved, the TFLs are included in the clinical study report (CSR) and submitted to regulatory authorities as part of the trial documentation, providing a comprehensive representation of the trial's results and data. (WBS 1.3.5.6)

●

A topline data report will be prepared. This report will summarize and presents key findings and results from a clinical trial in a concise and high-level manner. This report focuses on the primary objectives and key secondary endpoints of the trial, providing a snapshot of the trial's outcomes without delving into detailed analyses or subgroup findings. (WBS 1.3.5.7)

●

Soft lock will be initiated with the temporary suspension of data entry or editing capabilities in the study database, allowing specific authorized personnel to address critical data-related issues or queries. (WBS 1.3.6.1)

●

Hard lock will be completed including the final and permanent closure of the study database after all data entry, editing, and review processes are completed. (WBS 1.3.6.2)

●

In compliance with FDA regulations, Vaxart will prepare and submit for this study Annual Reports, Certificate of Analysis, Protocol(s), and pharmacovigilance documents. These submissions will be submitted under US FDA IND 27602 - VXA- CoV2-3.1-S, an oral SARS-CoV-2 vaccine E1-/E3-deleted replication defective recombinant adenovirus 5 with dsRNA adjuvant and VXA- CoV2-3.3, an oral SARS-CoV-2 vaccine E1-/E3-deleted replication defective recombinant adenovirus 5 with dsRNA adjuvant. (WBS 1.4.1)

●

In compliance with FDA regulations, Vaxart will submit all required annual regulatory submissions within [***] of the anniversary date of our approved IND 27602. This report will contain new information collected over the past year pertaining to the safety, effectiveness, and labeling of our vaccine in this study. (WBS 1.4.2)

●

Vaxart will notify the appropriate regulatory authorities regarding the safety of the vaccine. The safety of the vaccine will be evaluated through the reporting of solicited symptoms of reactogenicity for one (1) week following each study drug administration. Because the vaccine contains a double stranded RNA (dsRNA) adjuvant, MAAEs will be collected through one (1) year post last dose to address the theoretical potential for induction of autoimmune or auto-inflammatory diseases, as is standard for this class of vaccines. Participants will also be monitored for exposure to SARS-CoV2 and symptomatic SARS-CoV2 infection (COVID-19). (WBS 1.4.3)

●

Regulatory submissions

o

30-day safety follow up 

o

DSMB recommendation for 400 participants XBB sentinel group 30-day safety follow up

o

Any additional information requests that FDA may want in support of the submissions.

●

10,000 participant KP.2 submissions (1.4.4.2) are as follows:

o

KP.2 Protocol Amendment and supporting clinical documents (ICF, CMC update, etc.)

o

Any additional information requests that FDA may want in support of the submissions.

●

A KP.2 RVB (research virus bank) will be completed prior to use in GMP manufacturing of KP.2 clinical trial material.

●

KP.2 GMP Bulk Drug Substance Material will be manufactured, tested, and released with appropriate methods at sufficient quantities to ensure the supply of the entire Ph2b trial is from a single lot.

●

KP.2 GMP Drug Product will be manufactured, tested, and released with appropriate methods at sufficient quantities to ensure the supply of the entire Ph2b trial is from a single lot.

●

All GMP material will be placed on appropriate stability studies.

●

Vaxart will utilize industry standard risk mitigation practices and manufacture additional clinical trial material above the amount required to supply the 10,000 participant Ph2b clinical trial.

●

Vaxart KP.2 COVID vaccine clinical trial materials will be shipped to the depot (WBS 1.5.1.6) to allow for distribution to clinical sites (WBS 1.5.2.1).

●

Vaxart XBB COVID vaccine clinical trial materials will be distributed to the clinical sites supporting the 400-participant safety lead in study per protocol

●

Vaxart will perform technical management (WBS 1.5.2.1) of non-Vaxart clinical trial material acquisition, packaging, and distribution, including acquisition of the mRNA comparator, saline, and ancillary kits. (WBS 1.5.2.2).

●

Vaxart COVID vaccine clinical trial materials will be distributed with the mRNA comparator and saline according to the milestones in Section 5 (WBS 1.5.2.3).

●

Vaxart will ensure storage (1.5.3.1) of the kitted trial materials and distribution of the clinical trial materials to clinical depots and/or sites (1.5.3.2).

●

As part of phase 1, additional samples in a small subpopulation of subjects at 3, 6 and 12 months will have been collected. The mucosal (and serum) immune responses of these samples will be measured in order to examine durability, particularly against multiple different coronaviruses as well as new SARS-CoV-2 variants. (WBS 2.1.1)

●

Vaxart will use flow cytometry to determine the changes to the memory pool in the subpopulation of participants using the samples collected in phase 1. B cell clones will be sequenced from the memory pools and used to characterize the diversity of the response based on vaccine and infection history. (WBS 2.1.2)

●

Vaxart will analyze antibodies from the task in 2.1.2 and their diversity tested for binding and neutralizing various SARS-COV-2 variants and other coronaviruses. (WBS 2.1.3)

●

Vaxart will complete all required reports including an amended CSR that the discusses the analysis in option 2 will be completed; a full final report describing all the Phase 2 analyses, any additional reports to BARDA and regulatory agencies on the conduct of the trial as required. (WBS 2.2.1)

●

Vaxart will complete site close-out and unused vaccine will be returned or destroyed; and documents will be properly shipped and stored. (WBS 2.2.2)

●

Vaxart will undertake essential document reconciliation in which records from the trial will be verified by medical monitors and database experts. Discrepancies will be resolved before finalizing the data. (WBS 2.2.3)

●

Vaxart will employ an Electronic Trial Master File (eTMF) which leverages software and server technology to guide and assist the setup, collection, storage, tracking and archival of essential clinical study documents. (WBS 2.2.4)

●

Vaxart will prepare an amended clinical study report which will include the additional analysis conducted under Phase 2. (WBS 2.2.5)

4.0

Deliverables

# 

Deliverable 

Deliverable

Description 

Reporting Procedures and Due

Dates 

1.1 

Post Award Teleconference 

[***]

[***]

1.2 

Kickoff Meeting  

[***]

[***]

1.3 

Weekly Teleconference 

[***]

[***]

1.4 

Technical, Subgroup, Ad Hoc Teleconference(s) 

[***]

[***]

1.5 

Periodic Review Meetings 

[***]

[***]

1.6 

FDA Meetings and Interactions 

[***]

[***]

1.7 

Daily check-in with BARDA in the event of a PHE 

[***]

[***]

# 

Deliverable 

Deliverable

Description 

Reporting Procedures and

Due Dates 

2.1 

Project Management Plan (PMP) 

[***]

[***]

2.4 

Gantt Chart/Timeline of the project  

[***]

[***]

2.5 

Communication Plan 

[***]

[***]

2.6 

Performer Locations 

[***]

[***]

2.7 

Pandemic/Public Health Emergency Facility and Operational Management Plan 

[***]

[***]

2.8 

Request for Information (RFI) Responses 

[***]

[***]

2.9 

Monthly & Annual Technical Progress Reports/Annual Meeting 

[***]

[***]

2.10 

Draft and Final Technical Progress Report 

[***]

[***]

# 

Deliverable 

Deliverable

Description 

Reporting Procedures and Due

Dates 

3.1 

Draft and Final Nonclinical Study Report(s) 

[***]

[***]

3.2 

Nonclinical Study Protocols 

[***]

[***]

3.3 

Nonclinical Study Final Data Submission Package 

[***]

[***]

# 

Deliverable 

Deliverable

Description 

Reporting Procedures and Due

Dates 

4.1 

Clinical Trial Protocols 

[***]

[***]

4.2 

Clinical Trial Documentation¹ 

[***]

[***]

4.3 

ClinicalTrials.Gov Posting and Results Reporting 

[***]

[***]

4.4 

Draft and Final Clinical Study Report(s) 

[***]

[***]

4.5 

Project-Specific First Site Activated for First Subject First Visit 

[***]

[***]

4.6 

Clinical Report During Active Enrollment Periods² 

[***]

[***]

4.7 

Access to Electronic Systems Used in Trial Conduct 

[***]

[***]

4.8 

Blinded Safety Reports, Medical Data Listing, CIOMS Report, Pharmacovigilance Database Listing 

[***]

[***]

 4.9 

Specimen Collection for Future Use 

[***]

[***]

 4.10 

Clinical Trial Final Study Package 

[***]

[***]

4.11 

Data Exchange Package(s) Submitted to Regulatory Agency(s)  

[***]

[***]

 4.12 

Clinical Trial Datasets 

[***]

[***]

 4.13 

Additional Data Package(s)  

[***]

[***]

# 

Deliverable 

Deliverable

Description 

Reporting Procedures and Due

Dates 

5.1 

Quality Management Plan (QMP) 

[***]

[***]

5.2 

BARDA Audit 

[***]

[***]

5.3 

FDA Inspections/Site visits 

[***]

[***]

5.4 

Quality Assurance Audits and Sub-performer Monitoring Visits 

[***]

[***]

5.5 

Risk Management Plan (RMP) 

[***]

[***]

5.6 

Integrated Master Schedule (IMS) 

[***]

[***]

5.7 

Deviation Notification and Mitigation Strategy 

[***]

[***]

5.8 

Incident Report 

[***]

[***]

# 

Deliverable 

Deliverable

Description 

Reporting Procedures and Due

Dates 

6.1 

Technical Documents 

[***]

[***]

6.2 

Publications 

[***]

[***]

6.3 

Performer Clinical Publication Timeline and USG Right to Publish Data   

[***]

[***]

6.4 

Performer Nonclinical  
Publication Timeline and USG Right to Publish Data 

[***]

[***]

# 

Deliverable 

Deliverable

Description 

Reporting Procedures and Due

Dates 

7.1 

Regulatory Strategy/Plan 

[***]

[***]

7.2 

FDA Correspondence  

[***]

[***]

7.3 

FDA Submissions 

[***]

[***]

MS #

Task #

Description

Due Date

Government

Funds

Authorized

PHASE 1

1.1

Project Management

[***]

1

1.1

Project Kick Off

[***]

$[***]

Y

2

CRO Initiation. Subcontract Execution: [***]

[***]

$[***]

Y

3

1.1

PM Plans

[***]

$[***]

Y

4

1.1.1

Weekly Meetings - 110 total ($[***] ea)

[***]

$[***]

Y

5

1.1.1

Weekly Meetings - 10 total ($[***] ea)

[***]

$[***]

Y

5.1

1.1.1

Weekly Meetings – 12 additional ($[***] ea)

[***]

$[***]

Y

6

PM Meetings at Vaxart

[***]

$[***]

Y

7

PM Meetings at Vaxart

[***]

$[***]

Y

8

PM Meetings at Vaxart

[***]

$[***]

Y

9

PM Meetings at Vaxart

[***]

$[***]

10

PM Meetings at Vaxart

[***]

$[***]

11

PM Meetings at Vaxart

[***]

$[***]

11.1

PM Subcontract – Latham

[***]

$[***]

Y

11.2

PM Subcontract – Latham

[***]

$[***]

Y

11.3

1.1.3

Risk Management

[***]

$[***]

Y

12

1.1.4

Monthly Cost Accounting/Invoicing

[***]

$[***]

12.1

2 Invoices

[***]

$[***]

Y

12.2

3 Additional Invoices

[***]

$[***]

Y

12.3

Financial Management & Reporting

[***]

$[***]

Y

12.4

Accounting Subcontract – Latham

[***]

$[***]

Y

12.5

Accounting Subcontract – Latham

[***]

$[***]

Y

13

1.1.1

Monthly Technical & Business Reports

[***]

-

1.2

Analytical

1.2.1

Serum & T Cells

14

Start Up Meeting

[***]

$[***]

Y

15

Log Samples

[***]

$[***]

Y

16

Complete Sample Shipment

[***]

$[***]

17

Results Tabulated & Sent to Vaxart

[***]

$[***]

1.2.2

Mucosal Analysis

18

Start Up

[***]

$[***]

Y

18.1

Initial Start Up

[***]

$[***]

Y

19

Order & Receive Materials

[***]

$[***]

Y

20

Controls & Qualification Complete

[***]

$[***]

Y

21.1

Complete Nasal Analysis - KP.2

[***]

$[***]

21.2

Complete Nasal Analysis - XBB

[***]

 $[***]

Y

22.1

Complete Saliva Analysis - KP.2

[***]

$[***]

22.2

Complete Saliva Analysis - XBB

[***]

 $[***]

Y

23.1

Complete Additional Analysis - KP.2

[***]

$[***]

23.2

Complete Additional Analysis - XBB

[***]

 $[***]

Y

1.2.3

Infection & Efficacy

24

Start Up

[***]

$[***]

Y

24.1

Task Kick-Off

[***]

$[***]

Y

25

Lab Kit Replenishment

[***]

$[***]

Y

25.1

Lab Kit Replenishment– first shipment

[***]

$[***]

Y

26

Site to Central Lab Shipment

[***]

$[***]

26.1

Site to Central Lab Shipment – first shipments

[***]

$[***]

Y

27

Central Lab: 3 shipments / 6 months

[***]

$[***]

28

Statistical Analysis

[***]

$[***]

29

Analysis Complete

[***]

$[***]

30

Phase 2b Relative Efficacy & Infectious Report

[***]

-

1.2.4

Correlates

31

Machine Learning & Programming

[***]

$[***]

32

Statistical Analysis

[***]

$[***]

33

Verification / Analysis Complete

[***]

$[***]

34

Correlates of Protection Report

[***]

$[***]

1.3

Clinical

1.3.1

Site Start Up

[***]

35

Essential Documents Complete

[***]

$[***]

Y

35.1

Essential Documents 50% Complete

[***]

$[***]

Y

36

Site Contracts Complete

[***]

$[***]

Y

37

Regulatory Binders Complete

[***]

$[***]

Y

37.1

Regulatory Binders Draft

[***]

$[***]

Y

38

Site Initiation Visits

[***]

38.1

SIV – Initial Sites

[***]

$[***]

Y

38.2

SIV – Additional Sites 1

[***]

$[***]

Y

38.3

SIV – Additional Sites 2

[***]

$[***]

Y

39

IP Shipments to Sites

[***]

$[***]

Y

39.1

IP Shipment to Sites – Initial Sites

[***]

$[***]

Y

40

Lab & Other Supplies to Sites

[***]

$[***]

Y

40.1

Lab & Other Supplies to Sites – Initial Sites

[***]

$[***]

Y

41

Study Meetings/Training

[***]

$[***]

Y

41.1

Study Meetings/Training – Initial Sites

[***]

$[***]

Y

1.3.2

Enrollment

42

Pre-screening

[***]

$[***]

Y

43

Screening

[***]

$[***]

Y

44

Randomization

[***]

$[***]

Y

44.1

Randomization – 400 subjects

[***]

$[***]

Y

1.3.3

Clinical Conduct

45

1st Person In

[***]

-

46

Biosample Collection

[***]

$[***]

46.1

Biosample Collection – 400 subjects

[***]

$[***]

Y

47

Interim Analysis

[***]

$[***]

48

Source Data Verification

[***]

$[***]

48.1

SDV – 400 subjects

[***]

$[***]

Y

49

Site Supplies Management

[***]

49.1

Site Supplies Management through 1/31/2025

[***]

$[***]

Y

49.2

Site Supplies Management from 2/1/2025

[***]

$[***]

Y

50

First 2500 Participants Dosed

[***]

$[***]

Y

50.1

Second 2500 Participants Dosed

[***]

$[***]

Y

50.2

Third 2500 Participants Dosed

[***]

$[***]

Y

50.3

Final 2500 Participants Dosed

[***]

$[***]

Y

51

Conclusion of Follow Up

[***]

$[***]

52

Unblinded Monitoring

[***]

52.1

Unblinded Monitoring through 1/31/2025

[***]

$[***]

Y

52.2

Unblinded Monitoring from 2/1/2025

[***]

$[***]

1.3.4

Site Monitoring

53

Routine Monitoring Visit - 2-3 Visits Per Site (360 visits)

54

Routine Monitoring Visits, Quarter 1

[***]

$[***]

Y

55

Routine Monitoring Visits, Quarter 2

[***]

$[***]

Y

56

Routine Monitoring Visits, Quarter 3

[***]

$[***]

Y

57

Routine Monitoring Visits, Quarter 4

[***]

$[***]

Y

58

Routine Monitoring Visits, Quarter 5

[***]

$[***]

59

Routine Monitoring Visits, Quarter 6

[***]

$[***]

60

Routine Monitoring Visits, Quarter 7

[***]

$[***]

61

Routine Monitoring Visits, Quarter 8

[***]

$[***]

62

Routine Monitoring Visits, Quarter 9

[***]

$[***]

63

Routine Monitoring Visits, Quarter 10

[***]

$[***]

64

Routine Monitoring Visits, Quarter 11

[***]

$[***]

65

Routine Monitoring Visits, Quarter 12

[***]

$[***]

1.3.5

Data Management / Statistics

66

Statistical Analysis Plan

[***]

$[***]

Y

66.1

SAP – Initial Work

[***]

$[***]

Y

67

Programming Specification, Dvlpt, & Review

[***]

$[***]

Y

67.1

Set up of TFL shells for 1^st DSMB review

[***]

$[***]

Y

67.2

Stats reprogramming for kit size change, 5 blocks vs 10 blocks

[***]

$[***]

68

Method Validation

[***]

$[***]

Y

69

TFL Generation

[***]

69.1

TFL Generation for DSMB Review

[***]

$[***]

Y

69.2

TFL Generation for remaining trial

[***]

$[***]

1.3.6

Database Lock

70

Soft Lock

[***]

$[***]

71

Hard Lock

[***]

$[***]

Data Safety Monitoring Board

72

DSMB Meetings (6/14/2024-11/23/2026)

73

DSMB Meeting

[***]

$[***]

Y

74

DSMB Meeting

[***]

$[***]

Y

75

DSMB Meeting

[***]

$[***]

Y

76

DSMB Meeting

[***]

$[***]

Y

77

DSMB Meeting

[***]

$[***]

Y

78

DSMB Meeting

[***]

$[***]

79

DSMB Meeting

[***]

$[***]

80

DSMB Meeting

[***]

$[***]

81

DSMB Meeting

[***]

$[***]

82

DSMB Meeting

[***]

$[***]

BARDA Update Meetings

83

Year 1 Meeting - BARDA

[***]

$[***]

Y

84

Year 2 Meeting - BARDA

[***]

$[***]

85

Year 3 Meeting - BARDA

[***]

$[***]

Reporting

86

Annual Report 1

[***]

-

Y

87

Annual Report 2

[***]

-

88

Annual Report 3

[***]

-

1.4.

Regulatory (6/2024-7/1/2027)

89

1.4.2

FDA Annual Report 1

[***]

$[***]

Y

90

1.4.2

FDA Annual Report 2

[***]

$[***]

91

1.4.2

FDA Annual Report 3

[***]

$[***]

92

1.4.1

Regulatory Interactions - Quarter 1

[***]

$[***]

Y

93

Regulatory Interactions - Quarter 2

[***]

$[***]

Y

94

Regulatory Interactions - Quarter 3

[***]

$[***]

Y

95

Regulatory Interactions - Quarter 4

[***]

$[***]

Y

96

Regulatory Interactions - Quarter 5

[***]

$[***]

Y

97

Regulatory Interactions - Quarter 6

[***]

$[***]

98

Regulatory Interactions - Quarter 7

[***]

$[***]

99

Regulatory Interactions - Quarter 8

[***]

$[***]

100

Regulatory Interactions - Quarter 9

[***]

$[***]

101

Regulatory Interactions - Quarter 10

[***]

$[***]

102

Regulatory Interactions - Quarter 11

[***]

$[***]

103

Regulatory Interactions - Quarter 12

[***]

$[***]

1.5

CMC / KP.2 Manufacturing

104

1.5.1.1

Manufacturing Start - FFP

[***]

$[***]

Y

105

1.5.1.2

Research Virus Bank manufacturing

[***]

KP.2 Bulk Drug Substance manufacture, test, and release

106

1.5.1.3.1

Lot A - FFP

[***]

$[***]

Y

107

1.5.1.3.2

Lot B

[***]

KP.2 GMP Drug Product manufacture, test, and release

108

1.5.1.4.1

Lot A - FFP

[***]

$[***]

Y

109

1.5.1.4.2

Lot B - FFP

[***]

$[***]

Y

110

1.5.1.5

Stability Studies

[***]

111

1.5.1.6

Labeling, Packaging and Shipment to Depot (Vaxart KP.2 Product) - FFP

[***]

$[***]

Y

112

1.5.2.1

Technical Management of Non-Vaxart Trial Material Acquisition, Packaging & Distribution

[***]

          $[***]

Y

113.1

1.5.2.2.1

Acquisition of mRNA Comparator (First 3,750 PFS)

[***]

$[***]

Y

113.2

1.5.2.2.1

Acquisition of mRNA Comparator (Additional 3,750 PFS)

[***]

$[***]

Y

114

1.5.2.2.2

Acquisition of Saline

[***]

$[***]

Y

115

1.5.2.2.3

Acquisition of Ancillary Kits

[***]

$[***]

Y

116.1

1.5.2.3.1

Kitting of mRNA Comparator (First 3,750 PFS)

[***]

$[***]

Y

116.2

1.5.2.3.1

Kitting of mRNA Comparator (Additional 3,750 PFS)

[***]

$[***]

Y

117

1.5.2.3.2

Kitting of Saline

[***]

$[***]

Y

118

1.5.3.1

Storage

[***]

$[***]

Y

119

1.5.3.2

Distribution to Clinical Sites

[***]

$[***]

Y

PHASE 2

120

Kick Off / Program Initiation

[***]

$[***]

121

Materials & Supplies Acquisition

[***]

$[***]

122

1.1.1

Sample Processing

[***]

$[***]

123

1.1.1

Durability Sample Analysis

[***]

$[***]

124

1.1.1

Flow Analysis

[***]

$[***]

125

1.1.2

Sequence Memory Cells

[***]

$[***]

126

1.1.3

Produce Clones

[***]

$[***]

127

1.1.3

Complete Clone Analysis

[***]

$[***]

128

1.2

Phase 2 Final Report

[***]

-

129

Final Technical and Business Status Report

[***]

-

Total

$[***]

Contract Type

CPFF/FFP

Technical Data to Be

Furnished with

Restrictions

Basis for Assertion

Asserted Rights

Category

Name of Asserting

Organization

Milestone

Affected

[***]

Vaxart

development

prior to

contract at

private expense

Limited rights

Vaxart, Inc.

N/A;

background