Genentech to Present Data Across Broad and Impactful Neuroscience Portfolio at 2022 AAN Annual Meeting

– First data showing Ocrevus (ocrelizumab) treatment effect on disability progression in non-active secondary progressive multiple sclerosis and further data in primary progressive multiple sclerosis will be presented –

– Evrysdi (risdiplam) data continue to demonstrate long-term efficacy and safety in a broad population of people with spinal muscular atrophy –

– Longer-term efficacy and safety for Enspryng (satralizumab-mwge) in neuromyelitis optica spectrum disorder reinforce previously seen results –

– Additional data across neurological disorders, including Alzheimer’s disease, help advance the scientific understanding of these conditions and the potential impact of early treatment –

Genentech, a member of the Roche Group (SIX: RO, ROG; OTCQX: RHHBY), today announced new data for its approved and investigational medicines across neurological disorders will be presented at the 74th American Academy of Neurology (AAN) Annual Meeting being held April 2-7 in Seattle and virtually April 24-26, 2022. These data include twenty two abstracts highlighting Genentech’s expansive neuroscience portfolio across multiple therapeutic areas, including Ocrevus^® (ocrelizumab) in relapsing, secondary and primary progressive multiple sclerosis (RMS, SPMS and PPMS), Evrysdi™ (risdiplam) in spinal muscular atrophy (SMA), Enspryng™ (satralizumab-mwge) in neuromyelitis optica spectrum disorder (NMOSD), along with data from investigational programs in Alzheimer’s disease (AD).

“The longer-term efficacy and safety data for Ocrevus, Evrysdi and Enspryng, as well as findings from diverse and underrepresented populations, demonstrate the significant impact of our expanding neuroscience portfolio,” said Levi Garraway, M.D., Ph.D. chief medical officer and head of Global Product Development. “We remain committed to advancing the science and improving the lives of people living with neurological conditions.”

Multiple Sclerosis (MS)

Genentech will present 11 abstracts on MS and Ocrevus at AAN. New data from the one-year interim analysis of CONSONANCE, a first-of-its-kind open-label Phase III trial, will show the treatment effect of Ocrevus in the complete spectrum of progressive MS – SPMS and PPMS – with novel composite disability endpoints.

Additionally, an analysis of a U.S. claims database will highlight treatment disparities between Black and Hispanic/Latino-American patients and non-Hispanic white patients in the two years after diagnosis. Addressing health inequity and inclusion in research is central to Genentech’s mission to improve patient health outcomes. The insights from the data presented at AAN reinforce the importance of Genentech’s CHIMES trial evaluating Ocrevus in Black and Hispanic patients with MS, which is now fully enrolled across sites in the U.S. and Kenya.

Spinal Muscular Atrophy (SMA)

Genentech will present encore data from the clinical development program for Evrysdi, including 3-year data from SUNFISH Part 1 and 2, highlighting the long-term efficacy and safety of Evrysdi in people aged 2-25 years with Type 2 or Type 3 SMA. In addition, updated interim efficacy data from the RAINBOWFISH study in presymptomatic infants with SMA will be presented. The clinical development program represents the broad real-world spectrum of people living with SMA from newborn babies to people aged 60 years old.

Genentech will also share the design of the new MANATEE trial, a multicenter, randomized, placebo-controlled, double-blind trial, studying GYM329, an investigational anti-myostatin, in combination with Evrysdi.

Neuromyelitis Optica Spectrum Disorder (NMOSD)

Genentech will present encore long-term efficacy and safety data from the Enspryng SAkuraSky and SAkuraStar studies. These data reinforce the previously observed efficacy and safety of Enspryng, the first and only approved treatment designed to target and inhibit the IL-6 receptor activity and that can be administered subcutaneously every four weeks at home after training from a healthcare provider.

To increase the scientific understanding of NMOSD and improve care for all people living with the condition, Genentech has initiated SAkuraBONSAI, a multicenter, Phase IIIb, international study evaluating Enspryng treatment for people with AQP4-IgG seropositive NMOSD who are treatment naïve, or where prior rituximab (or biosimilar) treatment has failed*; SAkuraBONSAI will further evaluate disease activity and progression using comprehensive imaging, biomarker and clinical assessment.

*It is important to note, rituximab (or any biosimilar) is not approved by regulatory authorities for the treatment of NMOSD.

Alzheimer’s Disease (AD)

Genentech will present updates from its AD clinical program, including baseline characteristics from the Phase III GRADUATE studies in patients with early AD.

In addition, the design of the post-GRADUATE open label rollover study evaluating the long-term safety, tolerability and efficacy of gantenerumab in patients from the GRADUATE 1 and 2 studies will be presented.

For more than two decades, Genentech has been studying and developing gantenerumab, a late-stage investigational subcutaneously-administered monoclonal antibody, for the treatment of AD. Data from the pivotal GRADUATE trials are expected in the fourth quarter of 2022. Gantenerumab is also being evaluated in the Phase III SKYLINE prevention trial to better understand the potential of the investigational therapy to slow disease progression in people with the earliest biological signs of AD.

The full range of data from Genentech’s clinical development program in neuroscience being presented at 2022 AAN include:

About OCREVUS^® (ocrelizumab)

Ocrevus is the first and only therapy approved for both RMS (including RRMS and active, or relapsing, secondary progressive MS [SPMS], in addition to clinically isolated syndrome [CIS] in the U.S.) and PPMS. Ocrevus is a humanized monoclonal antibody designed to target CD20-positive B cells, a specific type of immune cell thought to be a key contributor to myelin (nerve cell insulation and support) and axonal (nerve cell) damage. This nerve cell damage can lead to disability in people with MS. Based on preclinical studies, Ocrevus binds to CD20 cell surface proteins expressed on certain B cells, but not on stem cells or plasma cells, suggesting that important functions of the immune system may be preserved. Ocrevus is administered by intravenous infusion every six months. The initial dose is given as two 300 mg infusions given two weeks apart. Subsequent doses are given as single 600 mg infusions.

Indications and Important Safety Information

What is Ocrevus?

Ocrevus is a prescription medicine used to treat:

• Relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults
• Primary progressive MS, in adults.

It is not known if Ocrevus is safe or effective in children.

Who should not receive Ocrevus?

Do not receive Ocrevus if you have an active hepatitis B virus (HBV) infection.

Do not receive Ocrevus if you have had a life threatening allergic reaction to Ocrevus. Tell your healthcare provider if you have had an allergic reaction to Ocrevus or any of its ingredients in the past.

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

Ocrevus can cause serious side effects, including:

• Infusion reactions: Infusion reactions are a common side effect of Ocrevus, which can be serious and may require you to be hospitalized. You will be monitored during your infusion and for at least 1 hour after each infusion of Ocrevus for signs and symptoms of an infusion reaction. Tell your healthcare provider or nurse if you get any of these symptoms:
  • itchy skin
  • rash
  • hives
  • tiredness
  • coughing or wheezing
  • trouble breathing
  • throat irritation or pain
  • feeling faint
  • fever
  • redness on your face (flushing)
  • nausea
  • headache
  • swelling of the throat
  • dizziness
  • shortness of breath
  • fatigue
  • fast heart beat

These infusion reactions can happen for up to 24 hours after your infusion. It is important that you call your healthcare provider right away if you get any of the signs or symptoms listed above after each infusion.

If you get infusion reactions, your healthcare provider may need to stop or slow down the rate of your infusion.

• Infection:
  • Ocrevus increases your risk of getting upper respiratory tract infections, lower respiratory tract infections, skin infections, and herpes infections. Infections are a common side effect, which can be serious. Tell your healthcare provider if you have an infection or have any of the following signs of infection including fever, chills, or a cough that does not go away. Signs of herpes include cold sores, shingles, genital sores, skin rash, pain, and itching. Signs of more serious herpes infection include: changes in vision, eye redness or eye pain, severe or persistent headache, stiff neck, and confusion. Signs of infection can happen during treatment or after you have received your last dose of Ocrevus. Tell your healthcare provider right away if you have an infection. Your healthcare provider should delay your treatment with Ocrevus until your infection is gone.
  • Progressive Multifocal Leukoencephalopathy (PML): Although no cases have been seen with Ocrevus treatment in clinical trials, PML may happen with Ocrevus. PML is a rare brain infection that usually leads to death or severe disability. Tell your healthcare provider right away if you have any new or worsening neurologic signs or symptoms. These may include problems with thinking, balance, eyesight, weakness on 1 side of your body, strength, or using your arms or legs.
  • Hepatitis B virus (HBV) reactivation: Before starting treatment with Ocrevus, your healthcare provider will do blood tests to check for hepatitis B viral infection. If you have ever had hepatitis B virus infection, the hepatitis B virus may become active again during or after treatment with Ocrevus. Hepatitis B virus becoming active again (called reactivation) may cause serious liver problems including liver failure or death. Your healthcare provider will monitor you if you are at risk for hepatitis B virus reactivation during treatment and after you stop receiving Ocrevus.
  • Weakened immune system: Ocrevus taken before or after other medicines that weaken the immune system could increase your risk of getting infections.

• Low Immunoglobulins: Ocrevus may cause a decrease in some types of antibodies. Your healthcare provider will do blood tests to check your blood immunoglobulin levels.

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

• have ever taken, take, or plan to take medicines that affect your immune system, or other treatments for MS.
• have ever had hepatitis B or are a carrier of the hepatitis B virus.
• have had a recent vaccination or are scheduled to receive any vaccinations.
  • You should receive any required ‘live’ or ‘live-attenuated’ vaccines at least 4 weeks before you start treatment with Ocrevus. You should not receive ‘live’ or ‘live-attenuated’ vaccines while you are being treated with Ocrevus and until your healthcare provider tells you that your immune system is no longer weakened.
  • When possible, you should receive any ‘non-live’ vaccines at least 2 weeks before you start treatment with Ocrevus. If you would like to receive any non-live (inactivated) vaccines, including the seasonal flu vaccine, while you are being treated with Ocrevus, talk to your healthcare provider.
  • If you are pregnant or planning to become pregnant talk to your doctor about vaccinations for your baby, as some precautions may be needed.

• are pregnant, think that you might be pregnant, or plan to become pregnant. It is not known if Ocrevus will harm your unborn baby. You should use birth control (contraception) during treatment with Ocrevus and for 6 months after your last infusion of Ocrevus. Talk with your healthcare provider about what birth control method is right for you during this time.
  • If you become pregnant while taking Ocrevus, talk to your doctor about enrolling in the Ocrevus Pregnancy Registry. You can enroll in this registry by calling 1-833-872-4370 or visiting http://www.Ocrevuspregnancyregistry.com. The purpose of this registry is to monitor the health of you and your baby.

• are breastfeeding or plan to breastfeed. It is not known if Ocrevus passes into your breast milk. Talk to your healthcare provider about the best way to feed your baby if you take Ocrevus.

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

What are the possible side effects of Ocrevus?

Ocrevus may cause serious side effects, including:

• Risk of cancers (malignancies) including breast cancer. Follow your healthcare provider’s instructions about standard screening guidelines for breast cancer.

Most common side effects include infusion reactions and infections.

These are not all the possible side effects of Ocrevus.

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

For more information, go to http://www.Ocrevus.com or call 1-844-627-3887.

For additional safety information, please see the full Prescribing Information and Medication Guide.

About EVRYSDI™ (risdiplam)

Evrysdi is a survival motor neuron 2 (SMN2) splicing modifier designed to treat SMA caused by mutations in chromosome 5q that lead to survival motor neuron (SMN) protein deficiency. Evrysdi is administered daily at home in liquid form by mouth or by feeding tube.

Evrysdi is designed to treat SMA by increasing and sustaining the production of SMN protein in the central nervous system (CNS) and peripheral tissues as demonstrated in animal models. SMN protein is found throughout the body and is critical for maintaining healthy motor neurons and movement.

What is Evrysdi?

Evrysdi is a prescription medicine used to treat spinal muscular atrophy (SMA) in adults and children 2 months of age and older.

It is not known if Evrysdi is safe and effective in children under 2 months of age.

Important Safety Information

• Before taking Evrysdi, patients should tell their healthcare provider about all of their medical conditions, including if they:
  • are pregnant or plan to become pregnant. If patients are pregnant, or are planning to become pregnant, they should ask their healthcare provider for advice before taking this medicine. Evrysdi may harm one’s unborn baby.
  • are a woman who can become pregnant:
    • Before patients start their treatment with Evrysdi, their healthcare provider may test them for pregnancy. Because Evrysdi may harm one’s unborn baby, one’s healthcare provider will decide if taking Evrysdi is right for them during this time
    • Patients should talk to their healthcare provider about birth control methods that may be right for them. Patients should use birth control while on treatment and for at least 1 month after stopping Evrysdi
  • are an adult male planning to have children: Evrysdi may affect a man’s ability to have children (fertility). If this is of concern to patients, they should make sure to ask a healthcare provider for advice
  • are breastfeeding or plan to breastfeed. It is not known if Evrysdi passes into breast milk and may harm one’s baby. If patients plan to breastfeed, they should discuss with their healthcare provider about the best way to feed one’s baby while on treatment with Evrysdi

• Patients should tell their healthcare provider about all the medicines they take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Patients should keep a list of them to show their healthcare provider and pharmacist when they get a new medicine
• Patients should receive Evrysdi from the pharmacy as a liquid that can be given by mouth or through a feeding tube. The liquid solution is prepared by the patient’s pharmacist. If the medicine in the bottle is a powder, do not use it. The patient should contact their pharmacist for a replacement
• Avoid getting Evrysdi on one’s skin or in one’s eyes. If Evrysdi gets on one’s skin, wash the area with soap and water. If Evrysdi gets in one’s eyes, rinse one’s eyes with water
• The most common side effects of Evrysdi include:
  • For later-onset SMA:
    • fever
    • diarrhea
    • rash
  • For infantile-onset SMA:
    • fever
    • diarrhea
    • rash
    • runny nose, sneezing, sore throat, and cough (upper respiratory infection)
    • lung infection
    • constipation
    • vomiting

These are not all of the possible side effects of Evrysdi. For more information on the risk and benefits profile of Evrysdi, patients should ask their healthcare provider or pharmacist.

Patients may report side effects to the FDA at 1-800-FDA-1088 or http://www.fda.gov/medwatch. Patients may also report side effects to Genentech at 1-888-835-2555.

Please see the full Prescribing Information for additional Important Safety Information.

About ENSPRYNG^TM (satralizumab)

Enspryng, which was designed by Chugai, a member of the Roche Group, is a humanized monoclonal antibody that targets interleukin-6 (IL-6) receptor activity. The cytokine IL-6 is believed to be a key driver in NMOSD disease processes, triggering the inflammation cascade and leading to damage and disability. Enspryng was designed using novel recycling antibody technology. When compared to conventional antibodies, Enspryng’s recycling antibody technology enables the medicine to remain in the bloodstream for a longer period of time and bind repeatedly to its target (the IL-6 receptor) - maximally sustaining IL-6 suppression in a chronic disease like NMOSD and enabling subcutaneous dosing every four weeks.

Positive Phase III results for Enspryng, as both monotherapy and in combination with baseline immunosuppressive therapy, suggest that IL-6 inhibition is an effective therapeutic approach for NMOSD. The Phase III clinical development program for Enspryng includes two studies: SAkuraStar and SAkuraSky.

Enspryng is currently approved in 58 countries, including the United States, Canada, Japan, South Korea and the European Union.

Enspryng has been designated as an orphan drug in the United States, Europe, Japan and Russia. In addition, it was granted Breakthrough Therapy Designation for the treatment of NMOSD by the FDA in December 2018, which is given to treatments that may demonstrate substantial improvement over other available options.

About ENSPRYNG^TM (satralizumab-mwge)

Enspryng, which was designed by Chugai, a member of the Roche Group, is a humanized monoclonal antibody that targets interleukin-6 (IL-6) receptor activity. The cytokine IL-6 is believed to be a key driver in NMOSD disease processes, triggering the inflammation cascade and leading to damage and disability. Enspryng was designed using novel recycling antibody technology. When compared to conventional antibodies, Enspryng’s recycling antibody technology enables the medicine to remain in the bloodstream for a longer period of time and bind repeatedly to its target (the IL-6 receptor) - maximally sustaining IL-6 suppression in a chronic disease like NMOSD and enabling subcutaneous dosing every four weeks.

Positive Phase III results for Enspryng, as both monotherapy and in combination with baseline immunosuppressive therapy, suggest that IL-6 inhibition is an effective therapeutic approach for NMOSD who are AQP4-IgG seropositive. The Phase III clinical development program for Enspryng includes two studies: SAkuraStar and SAkuraSky.

Enspryng is currently approved in 63 countries, including the United States, Canada, Japan, South Korea and the European Union.

Enspryng has been designated as an orphan drug in the United States, Europe, Japan and Russia. In addition, it was granted Breakthrough Therapy Designation for the treatment of NMOSD by the FDA in December 2018, which is given to treatments that may demonstrate substantial improvement over other available options.

Indications and Important Safety Information

Patients should not take Enspryng if they:

• are allergic to satralizumab-mwge or any of the ingredients in Enspryng
• have an active hepatitis B infection
• have active or untreated inactive (latent) tuberculosis (TB)

Enspryng may cause serious side effects including:

• Infections. Enspryng can increase risk of serious infections some of which can be life-threatening. Patients should speak with their healthcare provider if they are being treated for an infection and call right away if there are signs of an infection, with or without a fever, such as:
  • chills, feeling tired, muscle aches, cough that will not go away or a sore throat
  • skin redness, swelling, tenderness, pain or sores on the body
  • diarrhea, belly pain, or feeling sick
  • burning when urinating or urinating more often than usual
  • A healthcare provider will check for infection and treat it if needed before starting or continuing to take Enspryng
  • A healthcare provider should test for hepatitis and TB before initiating Enspryng
  • All required vaccinations should be completed before starting Enspryng. People using Enspryng should not be given 'live' or 'live-attenuated' vaccines. ‘Live’ or ‘live-attenuated’ vaccines should be given at least 4 weeks before a patient starts Enspryng. A healthcare provider may recommend that a patient receive a ‘non-live’ (inactivated) vaccine, such as some of the seasonal flu vaccines. If a patient plans to get a ‘non-live’ (inactivated) vaccine it should be given, whenever possible, at least 2 weeks before starting Enspryng

• Increased liver enzymes. A healthcare provider should order blood tests to check patient liver enzymes before and while taking Enspryng. A healthcare provider will dictate how often these blood tests are needed. Patients should complete all follow-up blood tests as ordered by a healthcare provider. A healthcare provider may wait to start Enspryng if liver enzymes are increased
• Low neutrophil count. Enspryng can cause a decrease in neutrophil counts in the blood. Neutrophils are white blood cells that help the body fight off bacterial infections. A healthcare provider should order blood tests to check neutrophil counts while a patient is taking Enspryng.
• Serious allergic reactions that may be life-threatening have happened with other medicines like Enspryng. Patients should call their healthcare provider right away if they have any of these symptoms of an allergic reaction:
  • shortness of breath or trouble breathing
  • swelling of lips, face, or tongue
  • dizziness or feeling faint
  • moderate or severe stomach (abdominal) pain or vomiting
  • chest pain

Before taking Enspryng, patients should tell their healthcare provider about all of their medical conditions, including if they:

• have or think they have an infection
• have liver problems
• have ever had hepatitis B or are a carrier of the hepatitis B virus
• have had or have been in contact with someone with TB
• have had a recent vaccination or are scheduled to receive any vaccination
• are pregnant, think they might be pregnant, or plan to become pregnant. It is not known if Enspryng will harm one’s unborn baby
• are breastfeeding or plan to breastfeed. It is not known if Enspryng passes into breast milk. Patients should speak with their healthcare provider about the best way to feed one’s baby while on treatment with Enspryng

Patients should tell their healthcare provider about all the medicines they take, including prescription and over-the-counter medicines, vitamins and herbal supplements.

The most common side effects of Enspryng include:

• sore throat, runny nose (nasopharyngitis)
• headache
• upper respiratory tract infection
• rash
• fatigue
• nausea
• extremity pain
• inflammation of the stomach lining
• joint pain

For more information about the risk and benefit profile of Enspryng, patients should ask their healthcare provider.

Patients may report side effects to the FDA at 1-800-FDA-1088 or http://www.fda.gov/medwatch. Patients may also report side effects to Genentech at 1-888-835-2555.

Please see the full Prescribing Information for additional Important Safety Information.

About Genentech in neuroscience

Neuroscience is a major focus of research and development at Genentech and Roche. Our goal is to pursue groundbreaking science to develop new treatments that help improve the lives of people with chronic and potentially devastating diseases.

Genentech and Roche are investigating more than a dozen medicines for neurological disorders, including multiple sclerosis, stroke, Alzheimer’s disease, Parkinson’s disease and autism spectrum disorder. Together with our partners, we are committed to pushing the boundaries of scientific understanding to solve some of the most difficult challenges in neuroscience today.

About Genentech

Founded more than 40 years ago, Genentech is a leading biotechnology company that discovers, develops, manufactures and commercializes medicines to treat patients with serious and life-threatening medical conditions. The company, a member of the Roche Group, has headquarters in South San Francisco, California. For additional information about the company, please visit http://www.gene.com.

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