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Evidence demonstrates that SUBLOCADE supports long-term recovery from opioid use disorder (OUD) and is effective and safe. Publications highlight the importance of overcoming access barriers to long-acting injectable treatments for OUD RICHMOND, Va., Oct. 30, 2024 /PRNewswire/ -- Indivior PLC (Nasdaq/LSE: INDV), in recognizing Substance Abuse Prevention Month, provides an update on key findings from the last year that demonstrate the importance of access to medications for the treatment of opioid use disorder (MOUD) and the effectiveness and safety of SUBLOCADE® in the treatment of OUD. These data add to the growing body of evidence that SUBLOCADE can improve outcomes, such as abstinence, retention, and recovery in persons with OUD. Publications In a post hoc analysis of the SUBLOCADE randomized, double-blind, placebo-controlled phase 3 clinical trial, published in Harm Reduction Journal, SUBLOCADE 300 mg maintenance dose resulted in a statistically significant increase in abstinence from opioids among study participants with OUD who injected opioids compared to 100 mg maintenance dose. However, both were equally effective in non-injecting participants. Results from the Community Long-Acting Buprenorphine (CoLAB) Study, a prospective single-arm, multicenter, open label trial in Australia, were published in the International Journal of Drug Policy, and demonstrated that participants could be maintained on SUBLOCADE treatment for 96 weeks with continuous improvements in abstinence, depression, quality of life and medication satisfaction. In a qualitative research survey of 20 participants representing various practice settings, published in American Health & Drug Benefits, it was determined that telemedicine was the most common solution adopted during the COVID-19 pandemic to overcome access barriers. However, today there are still significant challenges in ensuring appropriate access to medications for those living with OUD and continued support, effective solutions and policies in the United States, need to be continually addressed. In a narrowly focused literature, policy, and legal proceedings review, published in Corrections Today, a clear disparity in access to MOUD was found between the general public and incarcerated individuals. Stigma and informed consent were the most discussed barriers used to justify policies limiting MOUD for incarcerated individuals. Presentations Multiple real-world evidence poster presentations highlight challenges and opportunities in treating persons with OUD. 2024 American Association of Psychiatric Pharmacists, April 7-10, Orlando FL Title: Emergency Room (ER) Visits Among Opioid Use Disorder (OUD) Patients Title: Opioid Treatment Programs, Healthcare Resource Utilization, and Healthcare Costs among Patients Initiating Treatment with Buprenorphine Extended-Release 2024 American Telemedicine Association Nexus, May 5-7, Phoenix AZ Title: Impact of Telemedicine on Medication for Opioid Use Disorder Retention during the SARS-CoV-2 Pandemic Period Among Patients with OUD 2024 College on Problems of Drug Dependence, June 15-19, Montreal Quebec Canada Title: Buprenorphine Treatment After an Emergency Department Visit for Non-Fatal Opioid Overdose Title: Pain Predicts Abstinence During Treatment of Opioid Use Disorder for Individuals Reporting Moderate to Severe Pain Title: A Randomized Open-Label Study Comparing Rapid and Standard Inductions to Injectable Buprenorphine Extended-Release (BUP-XR) Treatment Title: A Mechanistic Pharmacological Model to Predict and Inform Effective Buprenorphine Treatment Induction Strategies in the Era of Synthetic Opioids 2024 U.S. Public Health Service Scientific & Training Symposium, June 24-27, Jacksonville FL Title: Clinical and Treatment Characteristics of American Indian/Alaska Native Patients Managing Opioid Use Disorder Compared to the General US Population BUPE2024 – Buprenorphine in Medicine: Clinical and Public Policy Implications, August 5, Virtual conference Title: Healthcare Utilization and Costs Associated with Management of Opioid Use Disorder (OUD) within Residential Treatment Programs (RTP) and Office-Based Opioid Treatment Programs (OBOT) 2024 National Commission on Correctional Health Care (NCCHC) Annual, October 19-23, Las Vegas, NV Title: Outcomes Associated with Medications for Opioid Use Disorder in the Carceral System: A Systematic Literature Review Title: Diversion of Medications for OUD in the Criminal Justice System Dr. Christian Heidbreder, Ph.D., Chief Scientific Officer at Indivior, emphasized, "The collective evidence highlights the importance of access to Medications for OUD, such as SUBLOCADE, in reducing barriers to adherence and improving outcomes for individuals in recovery. Indivior is committed to continuing to advance the understanding of patients with OUD, educate on evidence-based practices, overcome stigma, and focus on recovery outcomes." Among the almost 6 million people aged 12 or older with a past year opioid use disorder in 2023, only 18% (or one million people) received treatment through MOUD.1 About SUBLOCADE® SUBLOCADE ® (buprenorphine extended-release) injection, for subcutaneous use, CIII INDICATION AND HIGHLIGHTED SAFETY INFORMATION INDICATION SUBLOCADE is indicated for the treatment of moderate to severe opioid use disorder in patients who have initiated treatment with a buprenorphine-containing product, followed by dose adjustment for a minimum of 7 days. SUBLOCADE should be used as part of a complete treatment plan that includes counseling and psychosocial support. HIGHLIGHTED SAFETY INFORMATION WARNING: RISK OF SERIOUS HARM OR DEATH WITH INTRAVENOUS ADMINISTRATION; SUBLOCADE RISK EVALUATION AND MITIGATION STRATEGY Serious harm or death could result if administered intravenously. SUBLOCADE forms a solid mass upon contact with body fluids and may cause occlusion, local tissue damage, and thrombo-embolic events, including life threatening pulmonary emboli, if administered intravenously. Because of the risk of serious harm or death that could result from intravenous self-administration, SUBLOCADE is only available through a restricted program called the SUBLOCADE REMS Program. Healthcare settings and pharmacies that order and dispense SUBLOCADE must be certified in this program and comply with the REMS requirements. CONTRAINDICATIONS SUBLOCADE should not be administered to patients who have been shown to be hypersensitive to buprenorphine or any component of Indivior's proprietary buprenorphine gel depot delivery system. WARNINGS AND PRECAUTIONS Addiction, Abuse, and Misuse: SUBLOCADE contains buprenorphine, a Schedule III controlled substance that can be abused in a manner similar to other opioids. Monitor patients for conditions indicative of diversion or progression of opioid dependence and addictive behaviors. Respiratory Depression: Life threatening respiratory depression and death have occurred in association with buprenorphine. Warn patients of the potential danger of self-administration of benzodiazepines or other CNS depressants while under treatment with SUBLOCADE. Opioids can cause sleep-related breathing disorders e.g., central sleep apnea (CSA), sleep-related hypoxemia. Opioid use increases the risk of CSA in a dose-dependent fashion. Consider decreasing the opioid using best practices for opioid taper if CSA occurs. Strongly consider prescribing naloxone at SUBLOCADE initiation or renewal because patients being treated for opioid use disorder have the potential for relapse, putting them at risk for opioid overdose. Educate patients and caregivers on how to recognize respiratory depression and how to treat with naloxone if prescribed. Risk of Serious Injection Site Reactions: The most common injection site reactions are pain, erythema and pruritus with some involving abscess, ulceration, and necrosis. The likelihood of serious injection site reactions may increase with inadvertent intramuscular or intradermal administration. Neonatal Opioid Withdrawal Syndrome: Neonatal opioid withdrawal syndrome is an expected and treatable outcome of prolonged use of opioids during pregnancy. Adrenal Insufficiency: If diagnosed, treat with physiologic replacement of corticosteroids, and wean patient off the opioid. Risk of Opioid Withdrawal With Abrupt Discontinuation: If treatment with SUBLOCADE is discontinued, monitor patients for several months for withdrawal and treat appropriately. Risk of Hepatitis, Hepatic Events: Monitor liver function tests prior to and during treatment. Risk of Withdrawal in Patients Dependent on Full Agonist Opioids: Verify that patient is clinically stable on transmucosal buprenorphine before injecting SUBLOCADE. Treatment of Emergent Acute Pain: Treat pain with a non-opioid analgesic whenever possible. If opioid therapy is required, monitor patients closely because higher doses may be required for analgesic effect. ADVERSE REACTIONS Adverse reactions commonly associated with SUBLOCADE (in ≥5% of subjects) were constipation, headache, nausea, injection site pruritus, vomiting, increased hepatic enzymes, fatigue, and injection site pain. For more information about SUBLOCADE, the full Prescribing information including BOXED WARNING, and Medication Guide, visit . About Opioid Use Disorder (OUD) Opioid Use Disorder (OUD) is a chronic disease in which people develop a pattern of using opioids that can lead to negative consequences.2 OUD may affect the parts of the brain that are necessary for life-sustaining functions.2,3 About Indivior Indivior is a global pharmaceutical company working to help change patients' lives by developing medicines to treat substance use disorders (SUD), overdose and serious mental illnesses. Our vision is that all patients around the world will have access to evidence-based treatment for the chronic conditions and co-occurring disorders of SUD. Indivior is dedicated to transforming SUD from a global human crisis to a recognized and treated chronic disease. Building on its global portfolio of OUD treatments, Indivior has a pipeline of product candidates designed to both expand on its heritage in this category and potentially address other chronic conditions and co-occurring disorders of SUD. Headquartered in the United States in Richmond, VA, Indivior employs over 1,000 individuals globally and its portfolio of products is available in over 30 countries worldwide. Visit to learn more. Connect with Indivior on LinkedIn by visiting . References Substance Abuse and Mental Health Services Administration. (2024). Key substance use and mental health indicators in the United States: Results from the 2023 National Survey on Drug Use and Health (HHS Publication No. PEP24-07-021, NSDUH Series H-59). Center for Behavioral Health Statistics and Quality, Substance Abuse and Mental Health Services Administration. Key Substance Use and Mental Health Indicators in the United States: Results from the 2023 National Survey on Drug Use and Health (samhsa.gov) National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division; Board on Health Sciences Policy; Committee on Medication-Assisted Treatment for Opioid Use Disorder, Mancher, M., & Leshner, A. I. (Eds.). (2019). Medications for Opioid Use Disorder Save Lives. National Academies Press (US). Accessed October 30, 2023, from NIDA. 2022, March 22. Drugs and the Brain. Accessed October 30,2023, from SOURCE Indivior PLC WANT YOUR COMPANY'S NEWS FEATURED ON PRNEWSWIRE.COM? 440k+ Newsrooms & Influencers 9k+ Digital Media Outlets 270k+ Journalists Opted In GET STARTED

• Barrigel™ rectal spacer provides high quality rectal spacing, enabling low dose to the rectum during prostate cancer radiation therapy, with an excellent toxicity and safety profile; and low incidence (0.32-1%) of rectal wall infiltration (RWI), which can be safely reversed using hyaluronidase4,5 • Data demonstrate safety and efficacy of Barrigel™ rectal spacer in stereotactic body radiation therapy (SBRT) for patients undergoing repeat therapy6 WAYNE, Pa., Oct. 17, 2024 (GLOBE NEWSWIRE) -- Teleflex Incorporated (NYSE: TFX), a leading global provider of medical technologies, today announced the presentation of data supporting the safety and efficacy of Barrigel™ rectal spacer, ​​the first and only sculptable hyaluronic acid​ rectal spacer. It is designed to significantly reduce radiation that reaches the rectum during prostate cancer radiation therapy.1-3 The data were presented in three abstracts5-7 at the American Society for Radiation Oncology (ASTRO) 2024 Annual Meeting, which took place in Washington, DC, September 29 to October 2, 2024. Rectal spacers are used during prostate cancer radiation therapy to enable effective radiation dosing to the prostate while sparing healthy rectal tissue. This is especially important in hypofractionated treatment regimens, in which radiation is delivered at higher doses over a fewer number of treatment sessions. Unlike other rectal spacers made from different materials, which harden almost immediately after administration, the hyaluronic acid in Barrigel™ rectal spacer remains soft and pliable. This gives physicians time to sculpt, layer, and add more Barrigel™ rectal spacer as needed to optimize rectal protection.1,8-10 Additionally, Barrigel™ rectal spacer is highly visible in real time using transrectal ultrasound, which helps to ensure optimal spacing.1,8-10 Approximately 300,000 men will be diagnosed with prostate cancer this year in the U.S. alone. The incidence rate has increased by 3% per year overall over the past decade.11 “Building on the safety and efficacy of Barrigel™ rectal spacer previously proven in a randomized clinical trial,1 the data presented at ASTRO 2024 demonstrate that excellent outcomes can also be achieved in real-world settings and in patients undergoing repeat radiation therapy,” said Jacqueline Welch, Vice President of Global Clinical and Scientific Operations at Teleflex. “They also show that rare instances of unintended injection regions can be reversed with hyaluronidase, a naturally occurring enzyme. This is an important advantage over other rectal spacers, which cannot be reversed following the initial procedure and require time for biodegradation. Our ASTRO 2024 data underscore our ongoing commitment to advancing outcomes for patients with malignant and benign prostate conditions.” Presented Abstracts Impact of Hyaluronic Acid (HA) Rectal Spacer Quality Score (SQS) and Fischer-Valuck (FV) Spacer Symmetry Score on Rectal Dosimetry and Acute and Late Gastrointestinal (GI) Toxicity Outcomes – an Australian Experience (Abstract #3222)7 This abstract reports retrospective data from 100 men undergoing moderately fractionated EBRT (60Gy/62Gy in 20 fractions) for localized prostate cancer using Barrigel™ rectal spacer in Australia. Implants were assessed for quality (mSQS score), symmetry (FV score), and RWI (rectal wall infiltration), and acute and late gastrointestinal (GI) toxicity were also evaluated. Excellent implant quality (mSQS score=1) was reported for 74 patients; 24 patients had a score of 2 and only 2 patients had a 0 score. Symmetrical rectal spacing (FV score=1) was achieved in 97% of implants. Physicians deemed Barrigel™ rectal spacer very easy (98%) or easy (2%) to implant. No acute or late GI toxicity > Grade 2 was reported; 7 acute and 5 late Grade 1 toxicity events were reported. RWI occurred in 1 patient and was reversed with hyaluronidase with no subsequent adverse effects. Only 1 case of regional prostate cancer recurrence has been reported with median follow-up of 1.68 years. Rectal Wall Infiltration (RWI) with Hyaluronic Acid Based Rectal Spacer Reversal Protocol (Abstract #3185)5 This abstract reports data from a retrospective analysis of inadvertent RWI in 5,000 Australian men receiving Barrigel™ rectal spacer for prostate cancer radiation therapy. Results of magnetic resonance imaging (MRI) were used to identify RWI. Patients with RWI were followed for the remainder of their radiation therapy and for an additional 3 months following completion of radiation therapy. The study identified 16 patients (0.32%) with RWI after Barrigel™ rectal spacer insertion (Grade 1 by FV criteria n=5, Grade 2 n=6, Grade 3 n=5), with a median volume of misplaced Barrigel™ rectal spacer of 2.8 cc (total average Barrigel™ rectal spacer volume was 9.2 cc). No post-procedural GI symptoms or acute Grade 2+ GI toxicity were reported among these 16 men, and the rectal mucosa was intact in the 12 men who underwent sigmoidoscopy. Seven of the 16 men underwent Barrigel™ rectal spacer reversal procedures with hyaluronidase, all of which were successful, and no post-reversal complications were reported. The other 9 men were monitored. No severe adverse complications (mucosal ulceration, pelvic abscess, recto-prostatic fistula) have been reported among the 16 men with RWI. The presence of RWI resulted in delayed initiation of radiation therapy in 11 men (median delay = 3.2 months). “These real-world, retrospective analyses offer further evidence that Barrigel™ rectal spacer provides safe, effective, and high-quality spacing in routine clinical practice,” said Michael Chao, MD, a Radiation Oncologist at the Olivia Newton John Cancer Wellness & Research Centre in Victoria, Australia, and author on the two aforementioned abstracts.† “They also show that the incidence of RWI with Barrigel™ rectal spacer is quite rare—only 0.32%—and that these rare cases can be reversed effectively with hyaluronidase. Reversal is not feasible when RWI occurs with other spacers because the inorganic materials of which they are made cannot safely be dissolved in the body and must be absorbed over time. This is another important benefit of Barrigel™ rectal spacer that should be considered when selecting a rectal spacer for men undergoing prostate cancer radiation therapy.” Hyaluronic Acid Rectal Spacer in Locally Recurrent Prostate Cancer with Prior Radiation Receiving SBRT: on Feasibility, Safety, and Toxicity (Abstract #3236)6 This abstract reports Barrigel™ rectal spacer safety, rectal separation, ease of spacer placement, and treatment toxicity in 17 men undergoing repeat local radiation therapy for prostate cancer using SRBT. There was a 100% success rate for Barrigel™ rectal spacer placement, with no use of saline dissection and no adverse events reported. Mean minimum separation between gross tumor volume (GTV) and rectal tissue was 8.7 (± 5.6) mm, and adequate separation was achieved in 86.4% of cases. No >Grade 1 GI toxicity or acute Grade 3+ urinary toxicity were reported, and there was 1 case of Grade 3 hemorrhagic cystitis (which the patient also experienced during initial EBRT). Maximum point dose (Dmax) for radiation was 22.7 Gy (± 6.8), and the dose received by 30% (D30) and 60% (D60) of the prostate was 6.8 Gy (±3.0), and 3.0 Gy (± 2.2), respectively. “Patients with local recurrence of prostate cancer treated initially with EBRT (external beam radiation therapy) are often not considered for repeat radiation therapy,” said LaToya McLean, MD, a resident member at Thomas Jefferson University in Philadelphia, Pennsylvania and lead author on the abstract. “A key reason for this is concern about safely and effectively placing a rectal spacer in tissue that has been previously irradiated, as this tissue may be scarred or have adhesions that make it difficult to separate. In this study, we show that Barrigel™ rectal spacer can be used safely and effectively to achieve meaningful rectal separation that allows patients with local prostate cancer recurrence to receive radiation therapy while meeting dosimetric constraints. I hope these findings will help reduce the barriers to radiation therapy that these patients face.” About Barrigel™ Rectal Spacer Barrigel™ rectal spacer is the first and only hyaluronic acid rectal spacer that separates the prostate from the rectum to protect the rectum during radiation therapy treatment for prostate cancer.1 Barrigel is made from Non-Animal Stabilized Hyaluronic Acid (NASHA).12 Hyaluronic acid is a substance naturally present in the human body and is highly compatible and fully absorbable. NASHA has a proven history of safety and efficacy in a wide variety of medical applications in men, women and children worldwide.8,13 Barrigel™ rectal spacer has been proven to significantly reduce unwanted side effects from prostate cancer radiation therapy and is approved for rectal spacing in the United States, Australia, and Europe. Barrigel™ rectal spacer is indicated for prostate cancer patients with T1-T3b disease. For more information about Barrigel™ rectal spacer, please visit https://barrigel.com/hcp/barrigel-control-matters. Barrigel™ Rectal Spacer Important Safety InformationBarrigel is intended to temporarily position the anterior rectal wall away from the prostate during radiotherapy for prostate cancer and, in creating this space, it is the intent of Barrigel to reduce the radiation dose delivered to the anterior rectum. Barrigel is composed of biodegradable material and maintains space for the entire course of prostate radiotherapy treatment and is intended to be absorbed by the patient’s body over time. Barrigel should only be administered by qualified and properly trained physicians with experience in ultrasound guidance and injection techniques in the urogenital/pelvic area. As with any medical treatment, there are some risks involved with the use of Barrigel. Potential complications associated with the use of Barrigel include, but are not limited to: pain associated with Barrigel injection; needle penetration of the bladder, prostate, rectal wall, rectum, or urethra; injection of Barrigel into the bladder, prostate, rectal wall, rectum, urethra, or intravascularly; local inflammatory reactions; infection; urinary retention; rectal mucosal damage, ulcers, necrosis; bleeding; constipation; and rectal urgency. More information on indications, contraindications, warnings and instructions for use can be found in the Instructions For Use at www.barrigel.com. Caution: Federal (USA) law restricts this device to sale by or on the order of a physician. † Michael Chao is a paid consultant of Teleflex About Teleflex IncorporatedAs a global provider of medical technologies, Teleflex is driven by our purpose to improve the health and quality of people’s lives. Through our vision to become the most trusted partner in healthcare, we offer a diverse portfolio with solutions in the therapy areas of anesthesia, emergency medicine, interventional cardiology and radiology, surgical, vascular access, and urology. We believe that the potential of great people, purpose driven innovation, and world-class products can shape the future direction of healthcare. Teleflex is the home of Arrow™, Barrigel™, Deknatel™, LMA™, Pilling™, QuikClot™ Rüsch™, UroLift™ and Weck™ – trusted brands united by a common sense of purpose. At Teleflex, we are empowering the future of healthcare. For more information, please visit teleflex.com. Forward-Looking StatementsAny statements contained in this press release that do not describe historical facts may constitute forward-looking statements. Any forward-looking statements contained herein are based on our management's current beliefs and expectations, but are subject to a number of risks, uncertainties and changes in circumstances, which may cause actual results or company actions to differ materially from what is expressed or implied by these statements. These risks and uncertainties are identified and described in more detail in our filings with the Securities and Exchange Commission, including our Annual Report on Form 10-K. Teleflex, the Teleflex logo, Arrow, Barrigel, Deknatel, LMA, Pilling, QuikClot, Rüsch, Titan SGS, UroLift and Weck are trademarks or registered trademarks of Teleflex Incorporated or its affiliates, in the U.S. and/or other countries. All other trademarks are the property of their respective owners. © 2024 Teleflex Incorporated. All rights reserved. References: Mariados NF, Orio PF III, King MT et al. Hyaluronic acid spacer for hypofractionated prostate radiation therapy: A randomized clinical trial. JAMA Oncol. 2023:e1-e8.*King MT, Svatos M, Orio PF III et al. Evaluating the Quality-of-Life Effect of Apical Spacing with Hyaluronic Acid Prior to Hypofractionated Prostate Radiation Therapy: A Secondary Analysis, Pract Radiat Oncol. 2023;e1-e6.*Data on File. As of 06/01/2024.Hong A, Ischia J, Chao M. Case report: Reversal of hyaluronic acid rectal wall infiltration with hyaluronidase. Front Oncol. 2022;12:870388.Hong A, Bolton D, Ramani S et al. Rectal wall infiltration with hyaluronic acid based rectal spacer reversal protocol. Abstract #3185. Presented at ASTRO 2024 October 1, 2024.McLean L, et al. Hyaluronic Acid Rectal Spacer in Locally Recurrent Prostate Cancer with Prior Radiation Receiving SBRT: on Feasibility, Safety, and Toxicity. Abstract #3236. Presented at ASTRO 2024 October 1, 2024.Lin YH, et al. Impact of Hyaluronic Acid (HA) Rectal Spacer Quality Score (SQS) and Fischer-Valuck (FV) Spacer Symmetry Score on Rectal Dosimetry and Acute and Late Gastrointestinal (GI) Toxicity Outcomes – an Australian Experience. Abstract #3222. Presented at ASTRO 2024 October 1, 2024.Svatos M, Chell E, Low DA, et al. Symmetry, separation, and stability: Physical properties for effective dosimetric space with a stabilized hyaluronic acid spacer. Med Phys. 2024; 1-15. https://doi.org/10.1002/mp.17292*Gejerman G, Goldstein MM, Chao M et al. Barrigel spacer injection technique. Pract Radiat Oncol. 2023:e1-e5. (Drs Gejerman, Chao, Lederer, and Orio are paid consultants of Palette Life Sciences, now part of Teleflex).Williams J, Mc Millan K, Chao M et al. Hyaluronic acid rectal spacer in EBRT: Usability, safety and symmetry related to user experience. J Med Imag Radiat Sci (2022).American Cancer Society. Key Statistics for Prostate Cancer. www.cancer.org. 2023. Accessed: Jan 26, 2023. https://www.cancer.org/cancer/types/prostate-cancer/about/key-statistics.Barrigel Injectable Gel Instructions for Use (2022).Restylane® celebrates 25 years of natural-looking results with its signature line of hyaluronic acid fillers. 2021. Available at: https://www.prnewswire.com/news-releases/restylane-celebrates-25-years-of-natural-looking-results-with-its-signature-line-of-hyaluronic-acid-fillers-301388779.html. Accessed Sept 30, 2021. *Study sponsored by Palette Life Sciences, now part of Teleflex. Contacts:TeleflexLawrence KeuschVice President, Investor Relations and Strategy Developmentinvestor.relations@teleflex.com610-948-2836 Media Contact:Glenn SilverPartner National Media Relations Specialistglenn.silver@finnpartners.com646-871-8485 APM943A

Global study in approximately 180 adults with hidradenitis suppurativa to assess the efficacy and safety of two dose regimens of AVTX-009 compared to placeboTopline data expected in 2026 WAYNE, Pa. and ROCKVILLE, Md., Oct. 08, 2024 (GLOBE NEWSWIRE) -- Avalo Therapeutics, Inc. (Nasdaq: AVTX), today announced that the first patient has been dosed in the Company’s Phase 2 LOTUS trial of AVTX-009 in hidradenitis suppurativa (HS). AVTX-009 is a humanized monoclonal antibody (IgG4) that binds to interleukin-1β (IL-1β) with high affinity and neutralizes its activity. “The Avalo team has efficiently executed to achieve this important milestone and we are excited to have this trial underway. Hidradenitis suppurativa is a disease that can significantly impact quality of life and there is a need for improved treatment options. We believe AVTX-009’s high potency could make it a best-in-class and best-in-indication treatment option for patients suffering from hidradenitis suppurativa,” said Dr. Garry Neil, Chief Executive Officer and Chairman of the Board. “We look forward to releasing topline results in 2026.” The LOTUS Trial is a randomized, double-blind, placebo-controlled, parallel-group Phase 2 trial with two AVTX-009 dose regimens to evaluate the efficacy and safety of AVTX-009 in approximately 180 adults with moderate to severe hidradenitis suppurativa. Subjects will be randomized (1:1:1) to receive either one of two doses of AVTX-009 or placebo during a 16-week treatment phase. The primary efficacy endpoint is the proportion of subjects achieving Hidradenitis Suppurativa Clinical Response (HiSCR75) at Week 16. Secondary objectives include but are not limited to: proportion of patients achieving HiSCR50 and HiSCR90 as well as change from baseline in: International HS Severity Score System (IHS4), draining fistula count, abscess and inflammatory nodule (AN) count and patients achieving at least a 30% reduction on a numerical rating scale in Patient's Global Assessment of Skin Pain (PGA Skin Pain). The number of patients with anti-drug antibodies, safety, and tolerability will be assessed. For additional information this trial (NCT06603077), please visit www.clinicaltrials.gov. About Hidradenitis Suppurativa Hidradenitis suppurativa (HS) is a chronic inflammatory skin condition characterized by painful nodules, abscesses, and tunnels that form in areas of the body such as the armpits, groin, and buttocks, severely impacting the quality of life of affected individuals.1 HS is often underdiagnosed or misdiagnosed and therefore estimates of HS vary between 0.2-1.7% of the population worldwide.2-5 The exact cause of HS is not fully understood but is believed to involve a combination of genetic, hormonal, and environmental factors. While advances in treatment have been made, limited treatment options are available. IL-1β plays a crucial role in the inflammatory cascade underlying HS, contributing to tissue damage, inflammation, and disease progression. Given the involvement of IL-1β in the inflammatory process of HS, we believe therapies that target IL-1β offer a potential treatment option for HS. About AVTX-009 AVTX-009 is a humanized monoclonal antibody (IgG4) that binds to interleukin-1β (IL-1β) with high affinity and neutralizes its activity. IL-1β is a central driver in the inflammatory process. Overproduction or dysregulation of IL-1β is implicated in many autoimmune and inflammatory diseases. IL-1β is a major, validated target for therapeutic intervention. There is evidence that inhibition of IL-1β could be effective in hidradenitis suppurativa and a variety of inflammatory diseases in dermatology, gastroenterology, and rheumatology. About Avalo Therapeutics Avalo Therapeutics is a clinical stage biotechnology company focused on the treatment of immune dysregulation. Avalo’s lead asset is AVTX-009, an anti-IL-1β mAb, targeting inflammatory diseases. Avalo also has two additional drug candidates, which include quisovalimab (anti-LIGHT mAb) and AVTX-008 (BTLA agonist fusion protein). For more information about Avalo, please visit www.avalotx.com. Forward-Looking Statements This press release may include forward-looking statements made pursuant to the Private Securities Litigation Reform Act of 1995. Forward-looking statements are statements that are not historical facts. Such forward-looking statements are subject to significant risks and uncertainties that are subject to change based on various factors (many of which are beyond Avalo’s control), which could cause actual results to differ from the forward-looking statements. Such statements may include, without limitation, statements with respect to Avalo’s plans, objectives, projections, expectations and intentions and other statements identified by words such as “projects,” “may,” “might,” “will,” “could,” “would,” “should,” “continue,” “seeks,” “aims,” “predicts,” “believes,” “expects,” “anticipates,” “estimates,” “intends,” “plans,” “potential,” or similar expressions (including their use in the negative), or by discussions of future matters such as: drug development costs, timing of trials and trial results and other risks, including reliance on investigators and enrollment of patients in clinical trials; reliance on key personnel; regulatory risks; integration of AVTX-009 into our operations; general economic and market risks and uncertainties, including those caused by the war in Ukraine and the Middle East; and those other risks detailed in Avalo’s filings with the Securities and Exchange Commission, available at www.sec.gov. Actual results may differ from those set forth in the forward-looking statements. Except as required by applicable law, Avalo expressly disclaims any obligations or undertaking to release publicly any updates or revisions to any forward-looking statements contained herein to reflect any change in Avalo’s expectations with respect thereto or any change in events, conditions or circumstances on which any statement is based. References1Patel ZS et al. Curr Pain Headache Rep. 2017;21(12):49.2Egeberg A, et al. JAMA Dermatol 2016;152:429–343Phan K, et al Biomed Dermatol 2020; 4: 2-64Jfri, A, et al. JAMA Dermatol. 2021;157(8):924-315Nguyen TV, et al. J Eur Acad Dermatol Venereol. 2021;35(1):50-61 For media and investor inquiries Christopher Sullivan, CFO Avalo Therapeutics, Inc. ir@avalotx.com 410-803-6793 or Chris BrinzeyICR WestwickeChris.brinzey@westwicke.com 339-970-2843