Abbott Launches the World's Smallest Implantable, Rechargeable Spinal Cord Stimulation System for Chronic Pain

  • The U.S. Food and Drug Administration (FDA) approved Abbott's Eterna™ spinal cord stimulation (SCS) system for the treatment of chronic pain
  • This neuromodulation device provides an optimized experience with the ability to wirelessly charge as few as five times per year, the lowest recharge burden compared to other rechargeable SCS systems §1,2,3

Abbott (NYSE: ABT) today announced the U.S. Food and Drug Administration (FDA) approval of the company's Eterna™ spinal cord stimulation (SCS) system the smallest implantable, rechargeable spinal cord stimulator currently available on the market for the treatment of chronic pain.* 4 Eterna SCS utilizes Abbott's proprietary low-dose BurstDR™ stimulation, the only SCS waveform technology with the highest level of clinical evidence (1A evidence), proven to reduce pain 23% more than traditional waveform technology approaches. 5

Abbott developed Eterna based on extensive studies with patients, physicians and caregivers to understand the unmet needs of people living with chronic pain. The studies found that people wanted a smaller implant for comfort while reducing the need to charge the device daily or weekly. With patient needs front of mind, Abbott created Eterna to be recharged less than five times a year under normal use, making it the lowest recharge burden platform on the market. §1,2,3

Key features include:

  • Smallest device: Designed with daily comfort in mind 6 the Eterna SCS system is the smallest implantable, rechargeable spinal cord stimulator* 4 on the market.
  • Clinically proven therapy: The Eterna SCS system features Abbott's proprietary BurstDR stimulation, which mimics natural firing patterns found in the brain 7 to deliver superior** 8 pain relief. BurstDR stimulation is preferred to traditional "tingling" tonic stimulation by 87% of patients. 9
  • Lowest recharging requirements: Paired with Abbott's new Xtend™ energy technology, Eterna optimizes the patient charging experience, requiring as few as five recharges per year under standard use from a wireless charger. § 1,2,3
  • MRI capabilities: Eterna uses Abbott's TotalScan™ MRI technology, which allows for full-body MRI scans – a critical need of chronic pain patients who require accessibility to improved diagnostics and healthcare.
  • U   pgradable platform: As Abbott continues to make advancements in SCS therapy, the Eterna SCS system can adapt to future innovations without replacing the implant.
  • iPhone integration: Abbott's patient-focused mobile app supports real-time battery life and charging status updates of the Eterna SCS system on a personal or Abbott-provided Apple device.

"Abbott's low-dose BurstDR stimulation is clinically proven to reduce pain, improve people's ability to perform everyday activities, and reduce emotional suffering associated with pain," ^8 said Timothy Deer , M.D., DABPM, president and chief executive officer of the Spine and Nerve Centers of the Virginias in Charleston, W.Va. "Until now, it wasn't available on a rechargeable device that was this small, and that only needs to be charged a few times a year. This makes a big difference in comfort for many patients who now can have access to the best of both worlds – a small, best-in-class rechargeable device with superior stimulation therapy."

More than 50 million people in the U.S. suffer from chronic pain. 10 According to the U.S. Pain Foundation, chronic pain is the leading cause of people going to the doctor and costs the nation approximately $635 billion each year in healthcare, disability and lost productivity costs. 11 SCS, also known as neurostimulation, has been recommended by doctors for more than 50 years to help people manage chronic pain and improve their quality of life. Devices used for SCS consist of thin wires placed between the spinal cord and the vertebrae and a small implant placed under the skin in the lower back that helps disrupt pain signals before they can reach the brain.

"At Abbott, we deliver products and solutions with the goal of simplifying healthcare, improving clinical outcomes and providing people suffering from chronic pain with the best experience possible. As we progress on this commitment, Eterna is the next major leap forward," said Pedro Malha, vice president, neuromodulation, Abbott. "Eterna is the smallest rechargeable spinal cord stimulator on the market, provides the longest therapy between charges and offers an optimized recharging experience – all key features when selecting the best overall system."* § 3,4

Abbott's portfolio of neuromodulation devices also includes Proclaim™ XR, the recharge-free SCS system, and Proclaim Plus featuring FlexBurst360™, the SCS system that offers pain coverage across up to six areas of the trunk and/or limbs and enables programming that can be adjusted as a person's therapeutic needs evolve. All use the clinically proven low-dose BurstDR stimulation therapy.

* Smallest size determined by volume in cubic centimeters.
** BurstDR stimulation superiority when compared to traditional tonic stimulation as studied in SUBNURST.
^ Pain and suffering as measured by visual analog scale.
§ Approximately one hour per month or three hours five times per year at standard (nominal) settings for BurstDR™ programs: 30/90 dosing when programmed with amplitude of 0.6mA and all other BurstDR™ settings are left at default compared to recommended charging frequency and duration of competitors. Recommended recharge frequency and duration for competitor product described in their respective IFU.

For U.S. important safety information on the Abbott Eterna spinal cord stimulation system, visit: https://bit.ly/3Wgpude .

About Abbott
Abbott is a global healthcare leader that helps people live more fully at all stages of life. Our portfolio of life-changing technologies spans the spectrum of healthcare, with leading businesses and products in diagnostics, medical devices, nutritionals and branded generic medicines. Our 113,000 colleagues serve people in more than 160 countries.

Connect with us at www.abbott.com , on LinkedIn at www.linkedin.com/company/abbott-/ , on Facebook at www.facebook.com/Abbott and on Twitter @AbbottNews.

1 Abbott. Eterna IPG Battery Recharge Characterization Report (90903492); 2022.
2 Abbott. Eterna IPG Elect Design Verification Report: Current Draw (90860050). 2022
3 Abbott. Eterna Lowest Recharge Burden Comparison Memo (MAT-2210739); 2022.
4 Abbott. Eterna SCS IPG Size Comparison Memo (MAT-2210151); 2022.
5 Karri J, Orhurhu V, Wahezi S, Tang T, Deer T, Abd-Elsayed A. Comparison of Spinal Cord Stimulation Waveforms for Treating Chronic Low Back Pain: Systematic Review and Meta-Analysis. Pain Physician. 2020 Sep;23(5):451-460. PMID: 32967388.
6 Baranidharan G, Bretherton B, Richert G, et al. Pocket pain, does location matter: a single-centre retrospective study of patients implanted with a spinal cord stimulator. Reg Anesth Pain Med. 2020.; 0:1-7. doi:10.1136/rapm-2020-101752
7 De Ridder D., Vanneste, S., Plazier, M., & Vancamp, T., (2015). Mimicking the Brain: Evaluation of St. Jude Medical's Prodigy Chronic Pain System with Burst Technology. Expert Review of Medical Devices, 12(2), 143-150.
8 Deer T, Slavin KV, Amirdelfan K, et al. Success Using Neuromodulation With BURST (SUNBURST) Study: Results From a Prospective, Randomized Controlled Trial Using a Novel Burst Waveform. Neuromodulation. 2017;20(6):543-552.
9 Deer, T. Randomized, Controlled Trial Assessing Burst Stimulation for Chronic Pain: 2-Year Outcomes from the SUNBURST Study. Presented at NANS 2018.
10 Yong RJ, Mullins PM, Bhattacharyya N. Prevalence of chronic pain among adults in the United States . Pain. 2022 Feb 1 ;163(2):e328-e332.
11 U.S. Pain Foundation. Chronic Pain Facts. https://uspainfoundation.org/pain/ . Accessed June 27, 2022 .

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Enanta Pharmaceuticals, Inc., (NASDAQ:ENTA), a research and development-focused biotechnology company dedicated to creating small molecule drugs for viral infections and liver diseases, today announced 98 percent (n=102/104) of chronic hepatitis C virus (HCV) infected patients with severe chronic kidney disease (CKD) achieved sustained virologic response following 12 weeks of treatment (SVR12) with AbbVie’s investigational, pan-genotypic regimen of glecaprevir (ABT-493)/pibrentasvir (ABT-530) (G/P) in the primary intent-to-treat (ITT) analysis. In a modified intent-to-treat (mITT) analysis, SVR12 was achieved in 100 percent (n=102/102) of severe CKD patients. The mITT analysis excludes patients who did not achieve SVR for reasons other than virologic failure. These new data from the Phase 3 EXPEDITION-4 study, evaluating patients with chronic HCV infection across all major genotypes (GT1-6) and severe CKD, will be presented as a late-breaker today at The Liver Meeting®, the Annual Meeting of the American Association for the Study of Liver Diseases (AASLD) in Boston.
The EXPEDITION-4 results are the latest to be released from
registrational studies in AbbVie’s G/P clinical development program,
designed to investigate a faster path to virologic cure* for all major
HCV genotypes (GT1-6) and with the goal of addressing areas of continued
unmet need.
Glecaprevir (GLE), an NS3/4A protease inhibitor, is Enanta’s second
protease inhibitor being developed through its collaboration with
AbbVie. G/P is a once-daily regimen that combines two distinct antiviral
agents. G/P is a fixed-dose combination of glecaprevir (300mg) and
pibrentasvir (120mg), an NS5A inhibitor, dosed once-daily as three oral
tablets.
HCV is common among people with severe CKD, reaching prevalence of up to
80 percent in some regions of the world.1 In the U.S., it is
estimated that over 500,000 people have both chronic HCV and CKD2.
Some chronic HCV infected patients with severe CKD, particularly those
with GT2 and GT3 HCV infection, currently don’t have access to
direct-acting antivirals (DAAs). The development of new, safe and
effective regimens to treat HCV in these patients remains a critical
unmet medical need.3
The EXPEDITION-4 study enrolled 104 patients with severe chronic kidney
disease, including 85 patients (82 percent) who were receiving dialysis
at enrollment and 20 patients (19 percent) who had compensated
cirrhosis. The study also included those who were not cured with
previous treatment with sofosbuvir (SOF) plus ribavirin (RBV) or with
interferon (IFN) plus RBV, with or without SOF (44 patients, 42 percent).
The majority of treatment related adverse events (AEs) were mild or
moderate. The most commonly reported AEs included pruritus, fatigue and
nausea. Of the 24 percent of patients who experienced serious AEs, none
were considered related to G/P. Four AEs (4 percent) led to the
discontinuation of G/P and one patient died after achieving SVR4
due to a serious AE (intracerebral hemorrhage) considered not-related to
G/P.
*Patients who achieve a sustained virologic response at 12 weeks post
treatment (SVR
12) are considered cured of
hepatitis C

About the EXPEDITION-4 Study
EXPEDITION-4 is a single-arm,
open-label, Phase 3 study evaluating the safety and efficacy of 12 weeks
of G/P in patients with GT1-6 chronic HCV infection and chronic kidney
disease, including those on dialysis. The primary endpoint is SVR12.
Patients in the study had severe or end stage kidney disease (stage 4
and 5 CKD), with an eGFR < 30 mL/min/1.73 m2 required at screening.
Prior treatment in the study is defined as treatment with interferon
(IFN)/pegIFN ± RBV, or sofosbuvir (SOF) + RBV ± pegIFN therapy.
Additional information on the clinical trials for G/P is available at www.clinicaltrials.gov/.
About Enanta
Enanta Pharmaceuticals is a research and
development-focused biotechnology company that uses its robust
chemistry-driven approach and drug discovery capabilities to create
small molecule drugs for viral infections and liver diseases. Enanta’s
research and development efforts are currently focused on four disease
targets: Hepatitis C Virus (HCV), Hepatitis B Virus (HBV), Non-alcoholic
Steatohepatitis (NASH) and Respiratory Syncytial Virus (RSV).
Enanta has discovered novel protease inhibitors that are members of the
direct-acting-antiviral (DAA) inhibitor classes designed for use against
the hepatitis C virus (HCV). These protease inhibitors, developed
through Enanta’s collaboration with AbbVie, include paritaprevir, which
is contained in AbbVie’s marketed DAA regimens for HCV, and glecaprevir
(ABT-493), Enanta’s second protease inhibitor product, which AbbVie has
developed in Phase 3 studies in a fixed-dose combination (G/P) with
pibrentasvir (ABT-530), AbbVie’s second NS5A inhibitor, and is preparing
for regulatory approval filings in the U.S., Europe and Japan.
Enanta has also discovered EDP-305, an FXR agonist product candidate for
NASH, currently in Phase 1 clinical development, as well as a
cyclophilin inhibitor, EDP-494, a novel host-targeting mechanism for
HCV, which is also in Phase 1 clinical development. In addition, Enanta
has early lead candidates for HBV and RSV in preclinical development.
Please visit www.enanta.com
for more information on Enanta’s programs and pipeline.
Forward Looking Statements Disclaimer
This press release contains forward-looking statements, including
statements with respect to the prospects for AbbVie’s investigational
HCV treatment regimen containing glecaprevir (ABT-493). Statements that
are not historical facts are based on management’s current expectations,
estimates, forecasts and projections about Enanta’s business and the
industry in which it operates and management’s beliefs and assumptions.
The statements contained in this release are not guarantees of future
performance and involve certain risks, uncertainties and assumptions,
which are difficult to predict. Therefore, actual outcomes and results
may differ materially from what is expressed in such forward-looking
statements. Important factors and risks that may affect actual results
include: the efforts of AbbVie (our collaborator developing glecaprevir)
to develop its glecaprevir/pibrentasvir(G/P) combination and
successfully obtain regulatory approval and commercialize it; the
regulatory and marketing efforts of others with respect to competitive
treatment regimens for HCV; regulatory and reimbursement actions
affecting G/P, any competitive regimen, or both; the need to obtain and
maintain patent protection for glecaprevir and avoid potential
infringement of the intellectual property rights of others; and other
risk factors described or referred to in “Risk Factors” in Enanta’s most
recent Form 10-K for the fiscal year ended September 30, 2015 and other
periodic reports filed more recently with the Securities and Exchange
Commission. Enanta cautions investors not to place undue reliance on the
forward-looking statements contained in this release. These statements
speak only as of the date of this release, and Enanta undertakes no
obligation to update or revise these statements, except as may be
required by law.
________________________________________________
1 Fabrizi F, Poordad FF, Martin P. Hepatitis C infection in
the patient with end stage renal disease. Hepatology. 2002;36(1):3-10.
2 IMS Health, July 2016. Parsippany, NJ; Medivo, July 2016.
New York, NY (Estimate based on IMS Health Dx Medical Claims
12/2013-4/2016; IMS Health Life Link Patient Level Data 12/2013-4/2016;
Medivo Lab Data 12/2013-4/2016).
3 American Association for the Study of Liver Diseases.
Recommendations for Testing, Managing, and Treating Hepatitis C,
February 24, 2016, https://www.hcvguidelines.org/full-report/monitoring-patients-who-are-starting-hepatitis-c-treatment-are-treatment-or-have.
Accessed March 15, 2016.

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