You should read the following discussion of our financial condition and results
of operations in conjunction with our financial statements and the notes
included elsewhere in the Form 10-Q. The following discussion contains
forward-looking statements that involve certain risks and uncertainties. Our
actual results could differ materially from those discussed in these statements.
Factors that could cause or contribute to these differences include those
discussed below and elsewhere in the Form 10-Q and our Annual Report on Form
10-K for the year ended December 31, 2021 , particularly under the "Risk
Factors" and "Disclosure Regarding Forward-Looking Statements" sections.


Throughout this section, unless otherwise noted, "we," "our," "us," "Revelation" and the "Company" refer to Revelation Biosciences, Inc. and its subsidiary.

Overview



Revelation is a clinical-stage biopharmaceutical company founded in May 2020. We
are focused on the development or commercialization of immune system
therapeutics and diagnostics. Our current product candidates are being developed
for the prevention, treatment and detection of allergies and viral infections.
REVTx-99a, is being developed as a broad anti-viral nasal drop for the potential
prevention or treatment of respiratory viral infections. REVTx-99b is being
developed for the prevention or treatment of nasal congestion due to allergies
or chronic rhinosinusitis. Our lead diagnostic, REVDx-501 (REVIDTM Rapid Test
Kit), is being developed as a rapid point of care diagnostic product that can
potentially be used to detect various respiratory viral infections.


Since our inception in May 2020, we have devoted substantially all of our
resources to organizing and staffing our Company, business planning, raising
capital, and research and development of REVTx-99a/b and REVDx-501, our product
candidates.


We have funded our operations since our inception in May 2020 to March 31, 2022
through the issuance and sale of our capital stock, from which we have raised
net proceeds of $25.5 million. Our current cash and cash equivalents balance
will not be sufficient to complete all necessary product development or future
commercialization efforts. We anticipate that our current cash and cash
equivalents balance will not be sufficient to sustain operations within one year
after the date that our unaudited financial statements for March 31, 2022 were
issued, which raises substantial doubt about our ability to continue as a going
concern.


We plan to seek additional funding through public or private equity or debt
financings. We may not be able to obtain financing on acceptable terms, or at
all. The terms of any financing may adversely affect the holdings or the rights
of our stockholders. If we are unable to obtain funding we could be required to
delay, reduce or eliminate research and development programs, product portfolio
expansion or future commercialization efforts, which could adversely affect our
business operations.


We have incurred recurring losses since our inception, including a net loss of
$6.6 million and $2.6 million for the three months ended March 31, 2022 and
2021, respectively. As of March 31, 2022 we had an accumulated deficit of $21.1
million. We expect to continue to generate operating losses and negative
operating cash flows for the foreseeable future if and as we:

continue the research and development of our product candidates;

initiate clinical studies for, or preclinical development of, our product candidates;

further develop and refine the manufacturing processes of our product candidates;

change or add manufacturers or suppliers of product candidate materials;

seek regulatory and marketing authorizations for any of our product candidates that successfully complete development;

acquire or license other product candidates, technologies or biological materials;

make milestone, royalty or other payments under future license agreements;

obtain, maintain, protect and enforce our intellectual property portfolio;

seek to attract and retain new and existing skilled personnel;


create additional infrastructure to support our operations as a public company
and incur increased legal, accounting, investor relations and other expenses;
and

experience delays or encounter issues with any of the above.


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Our net losses may fluctuate significantly from quarter-to-quarter and year-to-year, depending on the timing of our clinical studies and our expenditures on other research and development activities.




We have never generated revenue and do not expect to generate revenue from
product sales unless and until we successfully complete development and obtain
regulatory approval for REVTx-99a/b, REVDx-501 or other product candidates,
which we expect will not be for at least several years, if ever. Accordingly,
until such time as we can generate significant revenue from sales of
REVTx-99a/b, REVDx-501 or other product candidates, if ever, we expect to
finance our cash needs through a combination of public or private equity
offerings, debt financings or other capital sources, including potential
collaborations, licenses and other similar arrangements. However, we may be
unable to raise additional funds or enter into such other arrangements when
needed on favorable terms or at all. Our failure to raise capital or enter into
such other arrangements when needed would have a negative impact on our
financial condition and could force us to delay, limit, reduce or terminate our
product development or future commercialization efforts or grant rights to
develop and market product candidates that we would otherwise prefer to develop
and market ourselves.


Recent Developments

Business Combination

On January 10, 2022, we consummated the previously announced Business
Combination, pursuant to the terms of the agreement and plan of merger, dated as
of August 29, 2021 with Petra and Merger Sub. Pursuant to the Business
Combination Agreement, on the Closing Date, (i) Merger Sub merged with and into
Revelation Sub, with Revelation Sub as the surviving company in the Business
Combination, and became a wholly-owned subsidiary of Petra and (ii) Petra
changed its name to "Revelation Biosciences, Inc."


Research and Development



Research and development expenses consist primarily of costs incurred for the
development of our lead product candidates, REVTx-99a/b and our lead diagnostic
product REVDx-501. Our research and development expenses consist primarily of
external costs related to clinical development, costs related to contract
research organizations, costs related to consultants, costs related to acquiring
and manufacturing clinical study materials, costs related to contract
manufacturing organizations and other vendors, costs related to the preparation
of regulatory submissions, costs related to laboratory supplies and services,
and personnel costs. Personnel and related costs consist of salaries, employee
benefits and stock-based compensation for personnel involved in research and
development efforts.


We expense all research and development expenses in the periods in which they
are incurred. We accrue for costs incurred as the services are being provided by
monitoring the status of specific activities and the invoices received from our
external service providers. We adjust our accrual as actual costs become known.


We expect our research and development expenses to increase substantially for
the foreseeable future as we continue the development of REVTx-99a/b and
REVDx-501 and continue to invest in research and development activities. The
process of conducting the necessary clinical research and product development to
obtain regulatory approval is costly and time consuming, and the successful
development of REVTx-99a/b, REVDx-501 and any future product candidates is
highly uncertain. To the extent that either REVTx-99a/b continue to advance into
larger and later stage clinical studies, our expenses will increase
substantially and may become more variable.


The actual probability of success for REVTx-99a/b, REVDx-501 or any future
product candidate may be affected by a variety of factors, including the safety
and efficacy of our product candidates, investment in the development of
REVDx-501, investment in our clinical programs, manufacturing capability and
competition with other products. As a result, we are unable to determine the
timing of initiation, duration and completion costs of our research and
development efforts or when and to what extent we will generate revenue from the
commercialization and sale of REVTx-99a/b, REVDx-501 or any future product
candidate.


General and Administrative

Our general and administrative expenses consist primarily of personnel costs,
expenses for outside professional services, including financial advisory, legal,
human resource, audit and accounting services and consulting costs. Personnel
and related costs consist of salaries, employee benefits and stock-based
compensation for personnel involved in executive, finance and other
administrative functions. We expect our general and administrative expenses to
increase for the foreseeable future as we increase the size of our
administrative function to support the growth of our business and support our
continued research and development activities. We also anticipate increased
expenses as a result of operating as a public company, including increased
expenses related to
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financial advisory services, audit, legal, regulatory, investor relations costs,
director and officer insurance premiums associated with maintaining compliance
with exchange listing and SEC requirements.


Other Income (Expense), Net

Other income (expense), net primarily consists of foreign currency transaction gains and losses, interest expense for the Promissory Notes Payable and Convertible Note and interest income from our cash balances in savings accounts.




Results of Operations

The following table summarizes our results of operations for the periods
presented:

                                                Three Months      Three Months
                                                    Ended             Ended
                                                  March 31,         March 31,
                                                    2022              2021             Change
Operating expenses:
Research and development                        $   3,680,280     $   1,557,039     $  2,123,241
General and administrative                          2,906,020         1,050,672        1,855,348
Total operating expenses                            6,586,300         2,607,711        3,978,589
Loss from operations                               (6,586,300 )      (2,607,711 )     (3,978,589 )
Other income (expense), net                           (30,241 )          (4,642 )        (25,599 )
Net loss                                        $  (6,616,541 )   $  (2,612,353 )   $ (4,004,188 )

Research and Development Expenses



The following table summarizes our research and development expenses for the
periods presented:

                                                Three Months     Three Months
                                                   Ended            Ended
                                                 March 31,        March 31,
                                                    2022             2021           Change
REVTx-99a clinical study expenses               $  2,773,115     $    591,200     $ 2,181,915
REVTx-99b clinical study expenses                    170,361                -         170,361
REVTx-99a/b manufacturing expenses                   106,754                -         106,754
REVDx-501 diagnostic development                       6,889          511,678        (504,789 )
Personnel expenses (including stock-based
compensation)                                        576,435          354,490         221,945
Other expenses                                        46,726           

99,671 (52,945 ) Total research and development expenses $ 3,680,280 $ 1,557,039 $ 2,123,241






Research and development expenses increased by $2.1 million, from $1.6 million
for the three months ended March 31, 2021 to $3.7 million for the three months
ended March 31, 2022. The increase was primarily due to an increase of $2.2
million in clinical study expenses related to REVTx-99a, $0.2 million in
clinical study expenses related to REVTx-99b, $0.1 million in REVTx-99a/b
manufacturing expenses and $0.2 million in personnel expenses, which included
$57,808 of employee stock-based compensation expense. These increases were
offset by a decrease of $0.5 million in diagnostic development expenses related
to REVDx-501.


General and Administrative Expenses



The following table summarizes our general and administrative expenses for the
periods presented:

                                                Three Months     Three Months
                                                   Ended            Ended
                                                 March 31,        March 31,
                                                    2022             2021           Change
Personnel expenses (including employee
stock-based compensation)                       $    678,107     $    685,070     $    (6,963 )
Legal and professional fees (including
non-employee stock-based compensation)             1,499,366          329,911       1,169,455
Other expenses                                       728,547           

35,691 692,856 Total general and administrative expenses. $ 2,906,020 $ 1,050,672 $ 1,855,348





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General and administrative expenses increased by $1.9 million, from $1.1 million
for the three months ended March 31, 2021 to $2.9 million for the three months
ended March 31, 2022. The increase was primarily due to an increase $1.2 million
in financial advisory fees, legal fees and professional consulting service fees.
In addition, other expenses increased by $0.7 million as a result of an increase
in D&O Insurance.


Other Income (Expense), Net

Other income (expense), net was $4,645 for the three months ended March 31, 2021
and $30,241 for the three months ended March 31, 2022, related to interest
expense for the Promissory Notes Payable and Convertible Note, foreign currency
transaction gains and losses, and interest income from our cash balances in
savings accounts.


Liquidity and Capital Resources



Since our inception to March 31, 2022, we have funded our operations from the
issuance and sale of our common stock, preferred stock and warrants, from which
we have raised net proceeds of $25.5 million, of which $11.6 million was
received during the three months ending March 31, 2022. As of March 31, 2022, we
had available cash and cash equivalents of $7.2 million and an accumulated
deficit of $21.1 million.


Our use of cash is to fund operating expenses, which consist primarily of
research and development expenditures related to our lead therapeutic product
candidates, REVTx-99a/b and the development of our lead diagnostic product,
REVDx-501. We plan to increase our research and development expenses
substantially for the foreseeable future as we continue the clinical development
of our current and future product candidates. At this time, due to the
inherently unpredictable nature of product development, we cannot reasonably
estimate the costs we will incur and the timelines that will be required to
complete development, obtain marketing approval, and commercialize our current
product candidate, diagnostic product or any future product candidates. For the
same reasons, we are also unable to predict when, if ever, we will generate
revenue from product sales or any future license agreements which we may enter
into or whether, or when, if ever, we may achieve profitability. Clinical and
preclinical development timelines, the probability of success, and development
costs can differ materially from expectations. In addition, we cannot forecast
the timing and amounts of milestone, royalty and other revenue from licensing
activities, which future product candidates may be subject to future
collaborations, when such arrangements will be secured, if at all, and to what
degree such arrangements would affect our development plans and capital
requirements.


We expect to continue to generate substantial operating losses for the
foreseeable future as we expand our research and development activities. We will
continue to fund our operations primarily through utilization of our current
financial resources and through additional raises of capital.


To the extent that we raise additional capital through partnerships or licensing
arrangements with third parties, we may have to relinquish valuable rights to
our product candidates, future revenue streams or research programs or to grant
licenses on terms that may not be favorable to us. If we raise additional
capital through public or private equity offerings, the ownership interest of
our then-existing stockholders will be diluted, and the terms of these
securities may include liquidation or other preferences that adversely affect
our stockholders' rights. If we raise additional capital through debt financing,
we may be subject to covenants limiting or restricting our ability to take
specific actions, such as incurring additional debt, making capital expenditures
or declaring dividends. If we are unable to obtain adequate financing when
needed, we may have to delay, reduce the scope of or suspend one or more of our
clinical studies or preclinical studies, research and development programs or
commercialization efforts or grant rights to develop and market our product
candidates or diagnostic product even if we would otherwise prefer to develop
and market such product candidates or diagnostic product ourselves.


Going Concern



We have incurred recurring losses since our inception, including a net loss of
$6.6 million for the three months ended March 31, 2022. As of March 31, 2022 we
had an accumulated deficit of $21.1 million, a stockholders' deficit of $98,511
and available cash and cash equivalents of $7.2 million. We expect to continue
to incur significant operating and net losses, as well as negative cash flows
from operations, for the foreseeable future as we continue to complete all
necessary product development or future commercialization efforts. We have never
generated revenue and do not expect to generate revenue from product sales
unless and until we successfully complete development and obtain regulatory
approval for REVTx-99a/b, REVDx-501 or other product candidates, which we expect
will not be for at least several years, if ever. We do not anticipate that our
current cash and cash equivalents balance will be sufficient to sustain
operations within one year after the date that our unaudited financial
statements for March 31, 2022 were issued, which raises substantial doubt about
our ability to continue as a going concern.


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To continue as a going concern, we will need, among other things, to raise
additional capital resources. We plan to seek additional funding through public
or private equity or debt financings. We may not be able to obtain financing on
acceptable terms, or at all. The terms of any financing may adversely affect the
holdings or the rights of our stockholders. If we are unable to obtain funding
we could be required to delay, reduce or eliminate research and development
programs, product portfolio expansion or future commercialization efforts, which
could adversely affect our business operations.


The unaudited condensed consolidated financial statements for March 31, 2022,
have been prepared on the basis that we will continue as a going concern, and do
not include any adjustments to reflect the possible future effects on the
recoverability and classification of assets or the amounts and classification of
liabilities that may result from the possible inability for us to continue as a
going concern.


Cash Flows

The following table summarizes our cash flows for the periods presented:



                                                        Three Months      Three Months
                                                            Ended             Ended
                                                          March 31,         March 31,
                                                            2022              2021
Net cash used in operating activities                   $  (4,830,066 )   $  (2,382,052 )
Net cash used in investing activities.                              -           (99,101 )
Net cash provided by financing activities.                 10,741,598       

8,004,865

Net increase (decrease) in cash and cash equivalents. $ 5,911,532 $


  5,523,712



Net Cash Used in Operating Activities



During the three months ended March 31, 2022, net cash used in operating
activities was $4.8 million, which consisted of a net loss of $6.6 million,
offset by non-cash charges of $0.2 million comprised of stock-based compensation
expense, non-cash lease expense and depreciation expense plus a net change of
$1.6 million in our net operating assets and liabilities.


During the three months ended March 31, 2021, net cash used in operating
activities was $2.4 million, which consisted of a net loss of $2.6 million,
offset by non-cash charges of $0.1 million comprised of stock-based compensation
expense, non-cash lease expense and depreciation expense plus a net change of
$0.1 million in our net operating assets and liabilities.


Net Cash Used in Investing Activities

During the three months ended March 31, 2022, there was no cash used in investing activities.

During the three months ended March 31, 2021, net cash used in investing activities consisted of $99,101 for purchases of lab equipment.

Net Cash Provided by Financing Activities



During the three months ended March 31, 2022, net cash provided by financing
activities was $10.7 million, from net proceeds of $4.2 million received in
connection with the Business Combination, after exercise of the Forward Share
Purchase Agreement of $7.7 million, and net proceeds of $7.3 million received
from the PIPE, offset by $0.8 million in repayments of Promissory Notes Payable,
including interest expense.

During the three months ended March 31, 2021, net cash provided by financing activities was $8.0 million, from the sale of our common stock, Series A Preferred Stock and Series A-1 Preferred Stock.

Contractual Obligations and Other Commitments



The following table summarizes our contractual obligations as of March 31, 2022
and the effects of such obligations are expected to have on our liquidity and
cash flow in future periods:

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                                      Less than        1 to 3         3 to 

5 More than


                                        1 year         years          years          5 years          Total
Operating lease obligations           $   51,578     $        -     $        -     $          -     $  51,578
Premium Finance Agreement (D&O
Insurance)                               520,999                                                      520,999

Total contractual obligations $ 572,577 $ - $


 -     $          -     $ 572,577

We have entered into an operating lease for laboratory space in San Diego, California. The table above includes future minimum lease payments under the non-cancelable lease arrangement.

We have entered into a Premium Finance Agreement with a lender that directly paid the Company's D&O Insurance. The table above includes future minimum payments under the cancelable Premium Finance Agreement.

We enter into contracts in the normal course of business with third party service providers and vendors. These contracts generally provide for termination on notice and, therefore, are cancellable contracts and not considered contractual obligations and commitments.

Off-Balance Sheet Arrangements

As of March 31, 2022, we did not have any off-balance sheet arrangements as defined in Item 303(a)(4)(ii) of Regulation S-K.

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