MANAGEMENT'S DISCUSSION AND ANALYSIS



                OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS



You should read the following discussion and analysis of our financial condition
and results of operations together with the unaudited condensed consolidated
financial statements and related notes appearing elsewhere in this Quarterly
Report on Form 10-Q.



Our actual results and timing of certain events may differ materially from the
results discussed, projected, anticipated, or indicated in any forward-looking
statements. We caution you that forward-looking statements are not guarantees of
future performance and that our actual results of operations, financial
condition and liquidity, and the development of the industry in which we operate
may differ materially from the forward-looking statements contained in this
Quarterly Report. In addition, even if our results of operations, financial
condition and liquidity, and the development of the industry in which we operate
are consistent with the forward-looking statements contained in this Quarterly
Report, they may not be predictive of results or developments in future periods.



Overview



We are a New York City based clinical-stage biopharmaceutical company committed
to identifying and advancing transformative therapies for the treatment of
cancer and rare diseases with significant unmet needs. We prioritize creativity,
diverse perspectives, integrity and tenacity to expedite our goal of bringing
life-changing therapies to people with limited treatment options.



Our portfolio includes two development programs utilizing TARA-002, an
investigational cell therapy based on the broad immunopotentiator, OK-432, which
was originally granted marketing approval by the Japanese Ministry of Health and
Welfare as an immunopotentiating cancer therapeutic agent. This cell therapy is
currently approved in Japan for lymphatic malformations, or LMs, and multiple
oncologic indications. It has never been approved outside Japan and we have
secured worldwide rights to the asset excluding Japan and Taiwan and have begun
to explore its use in rare and oncology indications. We are developing TARA-002
in non-muscle invasive bladder cancer, or NMIBC, and in LMs.



TARA-002's lead oncology program is in NMIBC, which is cancer found in the
tissue that lines the inner surface of the bladder that has not spread into the
bladder muscle. Bladder cancer is the sixth most common cancer in the United
States, with NMIBC representing approximately 80% of bladder cancer diagnoses.
Approximately 65,000 patients are diagnosed with NMIBC in the United States each
year. Very few new therapeutics have been approved in NMIBC since the 1990s and
the current standard of care for NMIBC includes intravesical Bacillus
Calmette-Guerin, or BCG. The mechanism of TARA-002 is similar to BCG. Both
TARA-002 and BCG are intravesically administered and elicit a type Th1 type
immune response and locally activated generally similar array of cytokines

and
immune cells.



In August of 2020, we announced constructive feedback following a
pre-Investigational New Drug, or pre-IND, interaction with the Office of Tissues
and Advanced Therapies division of the Center for Biologics Evaluation and
Research, or CBER, at the FDA on a development plan for TARA-002 in NMIBC.
Building on existing data from OK-432, and subject to the acceptance of the IND
application, we plan to commence a Phase 1 clinical trial in late 2021 to assess
the safety and tolerability of TARA-002 in patients with high grade NMIBC.



Our most advanced clinical program is for LMs, which are rare, non-malignant
cysts of the lymphatic vascular system that primarily form in the head and neck
region of children before the age of two. In July 2020, the U.S. Food and Drug
Administration, or FDA, granted Rare Pediatric Disease designation for TARA-002
for the treatment of LMs. OK-432, the originator compound to TARA-002, has been
the standard of care in LMs in Japan for over 20 years. In addition to the
clinical experience in Japan, we have secured the rights to a dataset from one
of the largest ever conducted Phase 2 studies in lymphatic malformations, in
which OK-432 was administered via a compassionate use program led by the
University of Iowa to over 500 pediatric and adult patients. In April 2021, we
announced that based on written feedback from the FDA on an open IND, we intend
to complete confirmatory, large-scale, or Good Manufacturing Practices, or GMP,
comparability in the second half of 2021 and, upon alignment with FDA on study
design, subsequently initiate a clinical study in pediatric LM patients.



TARA-002 was developed from the same master cell bank of genetically distinct
group A Streptococcus pyogenes as OK-432 (marketed as Picibanil® in Japan and
Taiwan by Chugai Pharmaceutical Co., Ltd., or Chugai Pharmaceutical). Following
a pre-IND interaction with the Office of Tissues and Advanced Therapies Division
of CBER, the FDA agreed that we have successfully demonstrated initial
manufacturing comparability between TARA-002 and OK-432. This initial
comparability will be confirmed by GMP scale batches, which are currently
underway using the same release tests that have already been approved by the
FDA.



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The third development program in our portfolio is intravenous, or IV, Choline
Chloride, an investigational phospholipid substrate replacement therapy
initially in development for patients receiving parenteral nutrition, or PN, who
have intestinal failure associated liver disease, or IFALD. IV Choline Chloride
has been granted Orphan Drug Designation by the FDA for this indication and has
also been granted Fast Track Designation for the treatment of IFALD. Following a
positive end of Phase 2 meeting with the FDA, we received feedback on the design
of the studies necessary to complete the registration package for IV Choline
Chloride for the treatment of IFALD, including a Phase 1 pharmacokinetic study
followed by Phase 3 trial. Prior to initiating these clinical studies, we are
currently undertaking a prevalence study in partnership with a large home health
organization in the United States to enhance understanding of the PN patient
population and we plan to use this information to determine the next steps for
the development program. The goal of the study is to understand the
presence/incidence of liver disease in this patient population.



Our fourth program, vonapanitase, is a recombinant human elastase. We are
reviewing the research and preclinical and clinical data of vonapanitase and
have not yet determined whether to pursue further development of this product
candidate in the future.



We have devoted substantial efforts to the development of these programs and do
not have any approved products and have not generated any revenue from product
sales. TARA-002 is in later stage development for LMs and has not yet been
approved for use for treatment of LMs, NMIBC or any other indications. We do not
expect to generate revenues prior to 2022, if ever. To finance our current
strategic plans, including the conduct of ongoing and future clinical trials and
further research and development costs, we will need to raise additional
capital.



Since inception, we have incurred significant operating losses. As of June 30,
2021, we had an accumulated deficit of approximately $73.0 million. We expect to
continue to incur significant expenses and increasing operating losses for at
least the next few years as we continue our development of, and seek marketing
approvals for, our product candidates, prepare for and begin the
commercialization of any approved products, and add infrastructure and personnel
to support our product development efforts and operations as a public company in
the United States.



As a clinical-stage company, our expenses and results of operations are likely
to fluctuate significantly from quarter to quarter and year to year. We believe
that our period-to-period comparisons of our results of operations should not be
relied upon as indicative of our future performance.



As of June 30, 2021, we had approximately $145.0 million in cash, cash equivalents, and marketable debt securities.





COVID-19



The ultimate impact of the current COVID-19 pandemic or a similar health
epidemic is highly uncertain and subject to change. We have experienced delays,
but may experience additional future delays that impact our business, our
research and development activities, healthcare systems and the global economy
as a whole. However, we will continue to monitor the COVID-19 situation closely
should the effects have a material impact on our operations, liquidity and
capital resources.



In response to public health directives and orders, we have implemented
work-from-home policies for our employees and temporarily modified our
operations to comply with applicable safety recommendations. Similar health
directives and orders are affecting third parties with whom we do business,
including the third parties that we have contracted with to conduct studies for
TARA-002. The effects of the orders and our related adjustments in our business
are likely to negatively impact productivity, disrupt our business and delay our
timelines, the magnitude of which will depend, in part, on the length and
severity of the restrictions and other limitations on our ability to conduct our
business in the ordinary course.



Severe and/or long-term disruptions in our operations as a result of COVID-19,
including in response to related public health directives and orders will
negatively impact our business, operating results and financial condition.
Specifically, we anticipate that the stress of COVID-19 on healthcare systems
around the globe will negatively impact our ability to conduct clinical trials
in the near term due primarily to the lack of resources at clinical trial sites
and the resulting inability to enroll patients in the trials. We also anticipate
that the global impact of COVID-19 will negatively impact our ability to conduct
nonclinical studies due primarily to laboratory closures and limited
availability of personnel. In addition, while the potential economic impact
brought by, and the duration of, COVID-19 may be difficult to assess or predict,
it has significantly disrupted global financial markets, and may limit our
ability to access capital, which could in the future negatively affect our
liquidity. A recession or market correction resulting from the spread of
COVID-19 could materially affect our business and the value of our common stock.



Financial Overview



Research and Development



Research and development expenses consist primarily of costs incurred for the
development of TARA-002 and IV Choline Chloride, which include employee-related
expenses, including salaries, benefits, travel and stock-based compensation
expense, expenses incurred under agreements with clinical research
organizations, or CROs, contract development and manufacturing organizations, or
CDMOs, the cost of acquiring, developing and manufacturing clinical trial
materials, clinical and non-clinical related costs, costs associated with
regulatory operations and facilities, depreciation and other expenses, which
include expenses for rent and maintenance of facilities and other supplies.




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General and Administrative



General and administrative expenses consist principally of employee-related
expenses, including salaries, benefits, travel and stock-based compensation
expense, in executive and other administrative functions. Other general and
administrative expenses also include professional fees for legal, patent review,
consulting and accounting services as well as facility related costs, as well as
expenses related to audit, legal, regulatory and tax-related services associated
with maintaining compliance with our Nasdaq listing and SEC requirements,
director and officer liability insurance premiums and investor relations costs
associated with being a public company.



Interest Income, Net


Interest income, net, consists of interest income earned on our cash, cash equivalents, restricted cash, and marketable debt securities, net of interest expense related to our short-term debt.

Critical Accounting Policies and Significant Judgments and Estimates





Our management's discussion and analysis of our financial position and results
of operations is based on our financial statements, which have been prepared in
accordance with accounting principles generally accepted in the United States of
America, or GAAP. The preparation of financial statements in conformity with
GAAP requires us to make estimates and assumptions that affect the amounts
reported in the financial statements and accompanying notes. On an ongoing
basis, we evaluate estimates, which include estimates related to clinical trial
accruals, stock-based compensation expense, and reported amounts of revenues and
expenses during the reported period. We base our estimates on historical
experience and other market-specific or other relevant assumptions that we
believe to be reasonable under the circumstances. Actual results may differ
materially from those estimates or assumptions.



Our critical accounting policies are accounting for research and development
expenses and stock-based compensation. It is important that the discussion of
our operating results that follow be read in conjunction with these critical
accounting policies which have been disclosed in our Annual Report on Form

10-K
filed on March 11, 2021.



Results of Operations


Comparison of the Three Months Ended June 30, 2021 and 2020

The following table summarizes our results of operations for the three months ended June 30, 2021 and 2020 (in thousands):





                                 Three Months Ended June 30,          Period-to-Period
                                  2021                 2020                Change

Operating expenses:
Research and development     $         5,887       $       2,470     $            3,417
General and administrative             6,905               4,796                  2,109
Total operating expenses              12,792               7,266                  5,526
Operating loss                       (12,792 )            (7,266 )               (5,526 )
Other income, net:
Interest income, net                     (10 )              (126 )                  116
Total other income, net                  (10 )              (126 )                  116
Net Loss                     $       (12,782 )     $      (7,140 )   $           (5,642 )




Research and Development Expenses. During the three months ended June 30, 2021,
our research and development expenses were approximately $5.9 million which
represented an increase of approximately $3.4 million as compared to the three
months ended June 30, 2020. This increase was primarily due to an increase of
$2.4 million for manufacturing activities associated with TARA-002, an increase
of $0.4 million of non-clinical, clinical and regulatory expenses associated
with TARA-002, an increase in stock-based compensation of $0.3 million and an
increase in wages and bonuses of $0.7 million. This was partially off-set by a
decrease of $0.7 million in R&D consultants.



General and Administrative Expenses. During the three months ended June 30,
2021, our general and administrative expenses were approximately $6.9 million
which represented an increase of approximately $2.1 million as compared to the
three months ended June 30, 2020. The increase is principally due to an increase
of $0.9 million of stock-based compensation, an increase of $0.7 million in
wages and bonuses, and an increase of $0.2 million in expenses associated with
the opening of our new corporate headquarters in New York, NY.



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Interest Income, Net. During the three months ended June 30, 2021, interest income, net was approximately $0.0 million which represented a decrease of approximately $0.1 million as compared to the three months ended June 30, 2020.

Comparison of the Six Months Ended June 30, 2021 and 2020

The following table summarizes our results of operations for the six months ended June 30, 2021 and 2020 (in thousands):





                               Six Months Ended June 30,         Period-to-Period
                                 2021               2020              Change

Operating expenses:
Research and development     $      12,927       $    5,534     $            7,393
General and administrative          13,445           11,891                  1,554
Total operating expenses            26,372           17,425                  8,947
Operating loss                     (26,372 )        (17,425 )               (8,947 )
Other income, net:
Interest income, net                  (125 )           (225 )                  100
Total other income, net               (125 )           (225 )                  100
Net Loss                     $     (26,247 )     $  (17,200 )   $           (9,047 )




Research and Development Expenses. During the six months ended June 30, 2021,
our research and development expenses were approximately $12.9 million which
represented an increase of approximately $7.4 million as compared to the six
months ended June 30, 2020. This increase was primarily due to an increase of
$5.3 million for manufacturing activities associated with TARA-002, an increase
of $1.5 million of non-clinical, clinical and regulatory expenses associated
with TARA-002, an increase in wages and bonuses of $1.0 million and an increase
in stock-based compensation of $0.4 million. This was partially off-set by a
decrease of $1.1 million in R&D consultants and a decrease of $0.5 million

in
data management.



General and Administrative Expenses. During the six months ended June 30, 2021,
our general and administrative expenses were approximately $13.4 million which
represented an increase of approximately $1.6 million as compared to the six
months ended June 30, 2020. The increase is primarily due to an increase of $1.3
million in wages and bonuses, an increase of $0.5 million in expenses for
development of commercial capabilities, and an increase of $0.8 million in
stock-based compensation. This was partially off-set by a decrease of $0.8
million in consulting fees and a decrease of $0.4 million in legal fees, as we
incurred significant one-time expenses in the first quarter of 2020 upon the
closing of the reverse merger.



Interest Income, Net. During the six months ended June 30, 2021, interest income, net was approximately $0.1 million which represented a decrease of approximately $0.1 million as compared to the six months ended June 30, 2020.





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Liquidity and Capital Resources





Overview



As of June 30, 2021 and December 31, 2020, the Company's cash, cash equivalents,
and marketable debt securities were $145.0 million and $168.6 million,
respectively. We have not generated revenues since our inception and have
incurred net losses of approximately $12.8 million and $7.1 million for the
three months ended June 30, 2021 and 2020, respectively, and $26.2 million and
$17.2 million for the six months ended June 30, 2021 and 2020, respectively. For
the six months ended June 30, 2021, cash flows used in operating activities were
approximately $21.4 million, consisting primarily of a net loss of approximately
$26.2 million which includes non-cash stock-based compensation charges of
approximately $5.7 million. Since inception, we have met our liquidity
requirements principally through the sale of our equity in private placements.



We are in the business of developing biopharmaceuticals and have no current or
near term revenues. We have incurred substantial clinical and other costs in our
drug development efforts. We will need to raise additional capital in order to
fully realize management's plans.



We believe that our current financial resources, as of the date of the issuance
of these condensed consolidated financial statements, are sufficient to satisfy
our estimated liquidity needs for at least twelve months from the issuance of
these condensed consolidated financial statements.



As a result of economic conditions, general global economic uncertainty,
political change, global pandemics, and other factors, we do not know whether
additional capital will be available when needed, or that, if available, we will
be able to obtain additional capital on reasonable terms. If we are unable to
raise additional capital due to the volatile global financial markets, general
economic uncertainty or other factors, we may need to curtail planned
development activities. Specifically, the COVID-19 pandemic has significantly
disrupted global financial markets, and may limit our ability to access capital,
which could in the future negatively affect our liquidity. A recession or market
correction resulting from the spread of COVID-19 could materially affect our
business and the value of our common stock.



Cash Flows


The following table summarizes our sources and uses of cash for the six months ended June 30, 2021 and 2020 (in thousands):





                                                       Six Months Ended June 30,         Period-to-Period
                                                          2021              2020              Change

Net cash used in operating activities                $      (21,394 )     $ (12,879 )   $           (8,515 )
Net cash (used in)/provided by investing
activities                                                 (100,190 )         3,478               (103,668 )
Net cash (used in)/provided by financing
activities                                                     (228 )        38,858                (39,086 )
Net (decrease)/increase in cash and cash
equivalents, and restricted cash                     $     (121,812 )     $

 29,457     $         (151,269 )



Comparison of the Six Months Ended June 30, 2021 and 2020


Net cash used in operating activities was $21.4 million for the six months ended
June 30, 2021 compared to $12.9 million for the six months ended June 30, 2020.
The increase of $8.5 million in cash used in operating activities was primarily
driven by an increased net loss of $9.0 million, an increase in prepaid expenses
and other current assets of $2.5 million, off-set by an increase in accounts
payable of $0.3 million an increase of $0.8 million of accrued expenses.



Net cash used in investing activities was $100.2 million for the six months
ended June 30, 2021 compared to net cash provided by investing activities of
$3.5 million in the six months ended June 30, 2020. The change of $103.7 million
was primarily due to the purchase of debt securities, available-for-sale of
$99.6 million during the six months ended June 30, 2021.



Net cash used in financing activities was $0.2 million for the six months ended
June 30, 2021 compared to net cash provided by financing activities of $38.9
million for the six months ended June 30, 2020. The net cash used in financing
of $0.2 million for the six months ended June 30, 2021 was for the repurchase of
shares in connection with the settlement of restricted stock units. The net cash
provided by financing activities for the six months ended June 30, 2020
consisted primarily of the proceeds, net of offering costs, from private
placements of $39.6 million in connection with the reverse merger.



Off-Balance Sheet Arrangements





We did not have, during the periods presented, and we do not currently have, any
off-balance sheet arrangements, as defined under the applicable regulations of
the SEC.

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