Sage Therapeutics Announces First Quarter 2019 Financial Results and Highlights Pipeline and Business Progress

ZULRESSO™ (brexanolone) injection approved by U.S. FDA and on track
for launch in late June

Commercial team is launch ready; field teams focusing on payer
engagement and identifying pathways to care

Strong financial position with ~$1.4B in cash

Milestones anticipated throughout 2019 in clinical studies across all
three franchises: depression, neurology and neuropsychiatry

Conference call today at 8:00 A.M. ET

CAMBRIDGE, Mass.–(BUSINESS WIRE)–Sage Therapeutics, Inc. (NASDAQ: SAGE), a biopharmaceutical company
developing novel medicines to treat life-altering central nervous system
(CNS) disorders, today reported business highlights and financial
results for the first quarter ended March 31, 2019.

“We started 2019 with positive data from a Phase 3 clinical trial of our
lead oral compound SAGE-217 in postpartum depression and this was
quickly followed by the FDA approval of ZULRESSO in PPD,” said Jeff
Jonas, M.D., chief executive officer at Sage. “It was gratifying that
our first drug approval generated extensive media coverage of a disorder
that for too long has been shrouded by stigma and shame. We anticipate
additional momentum in our development efforts during the remainder of
the year across our three franchises in depression, neurology and
neuropsychiatry and believe the depth and breadth of our novel portfolio
of compounds in these areas is unrivaled in the industry. We are
confident in our potential to create a paradigm shift in the way brain
health is thought about and treated.”

Depression Franchise:
Led by
ZULRESSO™ (brexanolone) injection, approved by the U.S. Food and Drug
Administration (FDA) in March 2019 as the first treatment specifically
indicated for postpartum depression (PPD), and SAGE-217, which is being
evaluated in clinical studies as a treatment for major depressive
disorder (MDD), PPD, bipolar depression as well as comorbid MDD and
insomnia. SAGE-217 has received breakthrough therapy designation from
the FDA for the treatment of MDD.

  • ZULRESSO: Launch in the U.S. is on track for late June 2019 following
    scheduling by the U.S. Drug Enforcement Administration (DEA). ZULRESSO
    will only be available under a Risk Evaluation and Mitigation Strategy
    (REMS) program called the ZULRESSO REMS. Prior to launch, Sage
    continues to execute against its go-to-market strategy with a focus on
    activating REMS-certified Centers of Excellence (COEs) and alternate
    sites of care, with the goal of ensuring broad access for women with
    PPD.

    • Sage has identified a targeted list of COEs that the Company
      believes are capable of providing ZULRESSO to patients at launch
      and in subsequent periods. These COEs are sites of care that have
      a PPD healthcare provider champion, ability to secure appropriate
      payer reimbursement for ZULRESSSO, and the capabilities to operate
      under the REMS. The commercial field teams are continuing to
      educate medical and administrative leaders at these COEs on the
      ZULRESSO REMS, as permitted, and we have been able to initiate the
      process of REMS-certification at some of these COEs.
    • The Sage field market access team has completed more than 500
      payer engagement meetings during the past several months, as
      permitted, including meetings with the majority of commercial and
      Medicaid payers. Since approval, these teams have conducted
      productive meetings with payers representing 90 percent of covered
      lives in the U.S.
    • The Sage patient support organization is launch ready and will
      provide a range of patient support resources to assist women with
      PPD and their families, including: dedicated case managers who can
      provide information to help navigate the treatment journey;
      personalized support to assist with understanding insurance and
      coverage options; financial assistance programs for eligible
      patients; and access to educational resources and assistance
      through connections to local resources.
    • Sage is continuing to use digital health technology in its efforts
      to raise awareness and reduce the stigma of PPD. Initiatives
      include:

      • Support of digital PPD education modules, reaching nearly
        50,000 healthcare providers in the U.S. through the Medscape
        platform;
      • Support of digital health solutions to pregnant women and new
        moms, resulting in more than 100,000 digital screenings for
        PPD.
    • A U.S. patent, exclusively licensed to the Company, was recently
      issued covering the method of treating PPD using brexanolone
      injection; this patent will expire in 2033.
  • SAGE-217: The pivotal program evaluating the potential of SAGE-217 as
    a short-course episodic, rapidly-acting oral treatment for MDD and PPD
    is progressing on target. This program includes two completed,
    positive pivotal studies, one in MDD and one in PPD.

    • In January 2019, Sage announced statistically significant top-line
      results in primary and secondary endpoints from the Phase 3 ROBIN
      Study of SAGE-217 in women with severe PPD. These results
      demonstrated a rapid, stable, and clinically meaningful
      improvement in depressive symptoms in the SAGE-217 treatment group
      compared to the placebo group after two weeks of treatment. The
      effect was maintained through the end of the four-week follow-up
      period. The most common adverse events in the treatment group were
      somnolence, headache, dizziness, upper respiratory tract
      infection, diarrhea, and sedation. Two subjects experienced
      serious adverse events, one in each treatment group.
    • Ongoing or planned studies in the program include:

      • MOUNTAIN Study: Evaluates a dosing regimen of two weeks
        of 20mg or 30mg SAGE-217 treatment compared to placebo in
        approximately 450 patients with MDD, with four weeks of
        blinded follow-up. Top-line data from the study are expected
        in Q4 2019 or Q1 2020. As a separate observational phase, the
        Company will continue to follow patients for up to six months.
      • Retreatment studies: These studies are designed
        to provide longer-term retreatment and follow-up safety and
        tolerability data.

        • MDD-302 will evaluate fixed interval SAGE-217 monotherapy
          maintenance (treatment without traditional
          antidepressants) for up to a year. This placebo-controlled
          trial is expected to commence in 3Q 2019 and, if
          successful, is intended to help meet the expected
          requirements for a New Drug Application for SAGE-217, and
          enable inclusion of maintenance dosing as part of the
          label.
        • The SHORELINE Study evaluates 30mg SAGE-217 open-label
          treatment, treatment-free intervals and as-needed
          retreatment for return of major depressive episodes over
          the course of up to a year. Patients will receive an
          initial two-week course of SAGE-217 therapy and will be
          assessed every eight weeks for potential relapse of
          depressive symptoms. Data are expected in 2020.
      • RAINFOREST Study: Evaluates two weeks of 30mg SAGE-217
        treatment compared to placebo in approximately 100 patients
        with MDD and comorbid insomnia. Top-line data are expected in
        2020.
    • The Company is also evaluating SAGE-217 in the Phase 2 open-label
      ARCHWAY Study in approximately 30 patients with bipolar I/II
      disorder with a current major depressive episode. Primary
      endpoints are safety and tolerability; secondary endpoints will
      measure improvements in depressive symptoms and sleep. Sage plans
      to announce top-line data from this study in July 2019.
    • The Company is also evaluating the potential for development of
      SAGE-217 in additional affective disorders and expects to provide
      an update on those plans in July 2019.

Neurology Franchise:
Led
by SAGE-324, a next-generation positive allosteric modulator (PAM) of
GABA
A receptors, in development as a potential
therapy for neurological conditions, such as essential tremor (ET) and
epileptiform disorders.

  • SAGE-324: In a Phase 1 single ascending dose study (SAD), SAGE-324 was
    generally well-tolerated with no serious adverse events and
    demonstrated a pharmacokinetic profile consistent with once-daily
    dosing.

    • Sage is continuing to evaluate SAGE-324 in a Phase 1 multiple
      ascending dose (MAD) study in healthy volunteers and a Phase 1
      single dose open-label study in patients with ET. These studies
      are designed to evaluate the safety, tolerability and
      pharmacokinetics of the compound. Target engagement using
      pharmaco-EEG (β-band power) was observed in the SAD study and will
      continue to be evaluated in the MAD study. Results from these
      trials are expected to be announced in 2H 2019.

Neuropsychiatry Franchise:
Led
by SAGE-718, a first-in-class NMDA receptor PAM, in development as a
potential therapy for certain cognition-related disorders impacted by
NMDA receptor dysfunction.

  • SAGE-718: The completed Phase 1 single and multiple ascending dose
    studies in healthy volunteers demonstrated a pharmacokinetic profile
    consistent with once-daily dosing. SAGE-718 was generally
    well-tolerated in the studies with no serious adverse events.

    • Results from ongoing Phase 1 target engagement biomarker studies
      in healthy volunteers, focusing on electrophysiology and imaging,
      are expected to be announced in July 2019.
    • Results from an ongoing Phase 1 study to determine the safety,
      tolerability and pharmacokinetics in patients with early
      Huntington’s disease are expected to be announced in 2H 2019.

Anticipated Upcoming Milestones

  • Top-line data readouts:

    • SAGE-217 Phase 2 ARCHWAY Study in bipolar depression (July 2019)
    • SAGE-324 Phase 1 MAD study; cohorts 1-4 (July 2019)
    • SAGE-718 Phase 1 biomarker data (July 2019)
    • SAGE-718 early Huntington’s disease Phase 1 cohort data (2H 2019)
    • SAGE-324 essential tremor Phase 1 topline data (2H 2019)
    • SAGE-217 MDD Phase 3 MOUNTAIN Study (Q4 2019/Q1 2020)
    • SAGE-217 MDD Phase 3 RAINFOREST and SHORELINE studies (2020)
  • Regulatory and commercial:

    • ZULRESSO commercial launch in the U.S., pending DEA scheduling
      (late June 2019)

Financial Results for the First Quarter of 2019

  • Cash Position: Cash, cash equivalents, and marketable
    securities as of March 31, 2019 were approximately $1.4 billion,
    compared to $922.8 million at December 31, 2018. The increase was
    primarily due to proceeds from Sage’s follow-on public offering
    completed in February 2019.
  • R&D Expenses: Research and development expenses were $86.4
    million, including $20.7 million of non-cash stock-based compensation
    expense, in the first quarter of 2019, compared to $49.3 million,
    including $8.9 million of non-cash stock-based compensation expense,
    for the same period of 2018. The increase in R&D expenses
    year-over-year was primarily due to advancement of the pivotal program
    for SAGE-217 in depression; continued research efforts across the
    Company’s early-stage clinical and discovery pipeline; and investments
    in R&D headcount to support the growth in Sage’s pipeline and
    operations.
  • G&A Expenses: General and administrative expenses
    were $83.9 million, including $23.4 million of non-cash stock-based
    compensation expense, in the first quarter of 2019, compared to $28.8
    million, including $6.9 million of non-cash stock-based compensation
    expense, for the same period of 2018. The increase in G&A expenses was
    primarily due to the increase in personnel-related expenses,
    professional fees to support expanding operations, costs related to
    continued preparations for the anticipated commercial launch of
    ZULRESSO, and facilities-related costs to support expanding operations.
  • Net Loss: Net loss was $163.4 million for the first quarter of
    2019 compared to a net loss of $74.6 million, for the comparable
    period of 2018.

Financial Guidance

  • Based on its current operating plan, Sage now anticipates that its
    balance of cash, cash equivalents and marketable securities will be at
    least $950 million at the end of 2019.
  • Sage expects that its operating expenses will increase year-over-year
    in 2019 to support continued pipeline advancement and anticipated
    commercialization of ZULRESSO in PPD.

Conference Call Information
Sage
will host a conference call and webcast today at 8:00 A.M. ET to discuss
its first quarter 2019 financial results and recent corporate updates.
The live webcast can be accessed on the investor page of Sage’s website
at investor.sagerx.com. The conference call can be accessed by dialing
1-866-450-8683 (toll-free domestic) or 1-281-542-4847 (international)
and using the conference ID 5968036. A replay of the webcast will be
available on Sage’s website approximately two hours after the completion
of the event and will be archived for up to 30 days.

About Sage Therapeutics
Sage
Therapeutics is a biopharmaceutical company committed to developing
novel medicines to transform the lives of patients with life-altering
central nervous system (CNS) disorders. Sage’s portfolio of novel
compounds targets critical receptor systems in the brain and includes
the first treatment specifically approved by the U.S. Food and Drug
Administration for postpartum depression as well as compounds being
developed as potential treatments for diseases such as major depressive
disorder, insomnia, bipolar disorder and essential tremor. For more
information, please visit www.sagerx.com.

Forward-Looking Statements
Various
statements in this release concern Sage’s future expectations, plans and
prospects, including without limitation: our expectations regarding the
timing of scheduling and launch of ZULRESSO in the treatment of PPD; our
plans regarding anticipated future commercial and patient support
activities; our expectations regarding availability of REMS-certified
sites of care for the administration of ZULRESSO and access to treatment
for women with PPD; our statements regarding the potential for
reimbursement of ZULRESSO; our view as to
the potential for us to
change the way brain health is treated; our statements regarding the
target product profiles, plans and timelines for development of our
product candidates, including planned clinical activities and reporting
of results; our views as to the depth and breadth of our portfolio and
the opportunity represented by our programs and business; and our
expectations regarding our cash position at year-end and increases in
operating expense.
These statements constitute forward-looking
statements as that term is defined in the Private Securities Litigation
Reform Act of 1995. These forward-looking statements are neither
promises nor guarantees of future performance, and are subject to a
variety of risks and uncertainties, many of which are beyond our
control, which could cause actual results to differ materially from
those contemplated in these forward-looking statements, including the
risks that: scheduling and launch of ZULRESSO may not occur on the
timelines we expect; we may encounter issues or other challenges in
launching and commercializing ZULRESSO, including issues related to
market acceptance by healthcare providers, healthcare settings and women
with PPD, challenges with reimbursement, issues related to limitations
on the site of administration of ZULRESSO to REMS-certified supervised
healthcare settings and the other requirements of the REMS, and
challenges associated with execution of our sales and patient support
activities, which in each case could limit the potential of ZULRESSO;
results achieved with use of ZULRESSO in the treatment of PPD once we
have launched the product may be different than observed in clinical
trials, and may vary among patients; the number of women with PPD or the
unmet need for additional treatment options may be significantly smaller
than we expect; we may encounter unexpected safety or tolerability
issues with ZULRESSO or any of our product candidates; we may not be
successful in our development of any of our current or future product
candidates in any indication we are currently pursuing or may in the
future pursue; success in early stage clinical trials may not be
repeated or observed in ongoing or future studies of any of our product
candidates; ongoing and future clinical results may not support further
development or be sufficient to gain regulatory approval of our product
candidates; we may decide that a development pathway for one of our
product candidates in one or more indications is no longer feasible or
advisable or that the unmet need no longer exists; the FDA may decide
that the development program for any of our product candidates, even if
positive, is not sufficient for a new drug application filing or
approval; decisions or actions of the FDA or other regulatory agencies
may affect the initiation, timing, design, size, progress and cost of
clinical trials and our ability to proceed with further development; we
may experience slower than expected enrollment in ongoing or future
clinical trials; the internal and external costs required for our
anticipated launch and commercialization activities and ongoing and
planned research and development efforts, and to build our organization
in connection with such activities, and the resulting expense increases
and use of cash, may be higher than expected, or we may conduct
additional clinical trials or pre-clinical studies, or engage in new
activities, requiring additional expenditures and using cash more
quickly than anticipated and we may encounter technical and other
unexpected hurdles in the commercialization of ZULRESSO or in the
development of our product candidates; as well as those risks more fully
discussed in the section entitled “Risk Factors” in our most recent
report filed with the Securities and Exchange Commission (SEC), and
discussions of potential risks, uncertainties, and other important
factors in our subsequent filings with the SEC. In addition, any
forward-looking statements represent our views only as of today, and
should not be relied upon as representing our views as of any subsequent
date. We explicitly disclaim any obligation to update any
forward-looking statements.

 

Sage Therapeutics, Inc. and Subsidiaries
Condensed
Consolidated Statements of Operations

(in thousands,
except share and per share data)
(Unaudited)

 
    Three Months Ended March 31,

2019

 

2018

Collaboration revenue $ 465 $
Operating expenses:
Research and development 86,398 49,270
General and administrative   83,919     28,849  
Total operating expenses   170,317     78,119  
 
Loss from operations (169,852 ) (78,119 )
Interest income, net 6,442 3,529
Other income (expense), net   4     (8 )
Net loss $ (163,406 ) $ (74,598 )
Net loss per share – basic and diluted $ (3.37 ) $ (1.68 )
Weighted average shares outstanding – basic and diluted   48,491,834     44,325,371  
 
 

Sage Therapeutics, Inc. and Subsidiaries

Condensed Consolidated Balance Sheets

(in thousands)

(Unaudited)

       

March 31,
2019

December 31,
2018

Cash, cash equivalents, restricted cash and investments $ 1,353,618 $ 925,143
Total assets $ 1,422,914 $ 952,705
Total liabilities $ 103,380 $ 89,734
Total stockholders’ equity $ 1,319,534 $ 862,971
 

Important Safety Information:

What is ZULRESSO?

ZULRESSO is a prescription medicine used in adults to treat a certain
type of depression called Postpartum Depression.

IMPORTANT SAFETY INFORMATION

What is the most important information I should know about ZULRESSO?

ZULRESSO can cause serious side effects, including:

  • Excessive sedation and sudden loss of consciousness. ZULRESSO
    may cause you to feel very sleepy (excessive sedation) or pass out
    (loss of consciousness). Your healthcare provider should check you for
    symptoms of excessive sleepiness every 2 hours while you are awake.

    • During your ZULRESSO infusion, tell your healthcare provider right
      away if you feel like you cannot stay awake during the time you
      are normally awake or if you feel like you are going to pass out.
      Your healthcare provider may lower your dose or stop the infusion
      until symptoms go away.
    • You must have a caregiver or family member with you to help care
      for your child(ren) during your ZULRESSO infusion.
  • Because of the risk of serious harm resulting from excessive sedation
    or sudden loss of consciousness, ZULRESSO is only available through a
    restricted program called the ZULRESSO REMS.

Before receiving ZULRESSO, tell your healthcare provider about all
your medical conditions, including if you:

  • drink alcohol
  • have kidney problems
  • are pregnant or think you may be pregnant. It is not known if ZULRESSO
    will harm your unborn baby.

    • There is a pregnancy registry for females who are exposed to
      ZULRESSO during pregnancy. The purpose of the registry is to
      collect information about the health of females exposed to
      ZULRESSO and their baby. If you become pregnant during treatment
      with ZULRESSO, talk to your healthcare provider about registering
      with the National Pregnancy Registry for Antidepressants at
      1-844-405-6185 or visit https://womensmentalhealth.org/clinical-and-research-programs/pregnancyregistry/antidepressants/
  • are breastfeeding or plan to breastfeed. ZULRESSO passes into breast
    milk. Talk to your healthcare provider about the risks and benefits of
    breastfeeding and about the best way to feed your baby while receiving
    ZULRESSO.

Tell your healthcare provider about all the medicines you take, including
prescription and over-the-counter medicines, vitamins, and herbal
supplements.

ZULRESSO and some medicines may interact with each other and cause
serious side effects.

Especially tell your healthcare provider if you take other
antidepressants, opioids, or Central Nervous System (CNS) depressants
(such as benzodiazepines).

Know the medicines you take. Keep a list of them to show your healthcare
provider and pharmacist when you get a new medicine. Your healthcare
provider will decide if other medicines can be taken with ZULRESSO.

How will I receive ZULRESSO?

ZULRESSO is given to you by continuous intravenous (IV) infusion into
your vein. The infusion will last for a total of 60 hours (2.5 days).

What should I avoid while receiving ZULRESSO?

  • ZULRESSO may make you feel dizzy and sleepy. Do not drive a car or do
    other dangerous activities after your ZULRESSO infusion until your
    feeling of sleepiness has completely gone away. See “What is the
    most important information I should know about ZULRESSO?
  • Do not drink alcohol while receiving ZULRESSO.

What are the possible side effects of ZULRESSO?

ZULRESSO can cause serious side effects, including:

  • See “What is the most important information I should know about
    ZULRESSO?
  • Increased risk of suicidal thoughts or actions. ZULRESSO and
    other antidepressant medicines may increase suicidal thoughts and
    actions in some people 24 years of age and younger. Depression or
    other serious mental illnesses are the most important causes of
    suicidal thoughts or actions.

How can I watch for and try to prevent suicidal thoughts and actions?

  • Pay close attention to any changes, especially sudden changes in mood,
    behavior, thoughts, or feelings, or if you develop suicidal thoughts
    or actions.
  • Tell your healthcare provider right away if you have any new or sudden
    changes in mood, behavior, thoughts, or feelings.
  • Keep all follow-up visits with your healthcare provider as scheduled.
    Call your healthcare provider between visits as needed, especially if
    you have concerns about symptoms.

Tell your healthcare provider right away if you have any of the
following symptoms, especially if they are new, worse, or worry you:

  • Attempts to commit suicide, thoughts about suicide or dying, new or
    worse depression, other unusual changes in behavior or mood

The most common side effects of ZULRESSO include:

  • Sleepiness, dry mouth, passing out, flushing of the skin or face.

These are not all the side effects of ZULRESSO.

Call your doctor for medical advice about side effects. You may report
side effects to FDA at 1-800-FDA-1088.

Please see full
Prescribing Information
, including Boxed WARNING, and Medication
Guide for ZULRESSO™ and discuss any questions you may have with your
healthcare provider.

Contacts

Investor Contact:
Maren Killackey, 617-949-4113
maren.killackey@sagerx.com

Media Contact:
Jeff Boyle, 617-949-4256
jeff.boyle@sagerx.com

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