News
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Read the latest Mereo BioPharma news
Together with patient communities, healthcare professionals, commercial partners and with the support of investors, we are constantly making progress on our mission. We are committed to regularly updating our investors, analysts, and the media on this progress. Here you can read the latest Mereo news and learn about events at which we are speaking.
If you would like to get in touch, you will find ways to contact us on this page.
Mereo BioPharma to Present at the 44th Annual J.P. Morgan Healthcare Conference
London, January 8, 2026 - Mereo BioPharma Group plc (NASDAQ: MREO) (“Mereo” or the “Company”), a clinical-stage biopharmaceutical company focused on rare diseases, today announced that Dr. Denise Scots-Knight, Chief Executive Officer, will present at the 44th Annual J.P. Morgan Healthcare Conference on Wednesday, January 14, 2026, at 1:30pm PT / 9:30pm GMT. The webcast is available through this link.
Mereo BioPharma Provides Corporate Update
London, January 12, 2026 - Mereo BioPharma Group plc (NASDAQ: MREO) (“Mereo” or the “Company”), a clinical-stage biopharmaceutical company focused on rare diseases, today provided an update on its programs, setrusumab for the treatment of osteogenesis imperfecta (OI) and alvelestat, which is being studied for the treatment of alpha-1 antitrypsin deficiency-associated lung disease (AATD-LD), and revised its cash runway guidance.
Mereo BioPharma Announces Phase 3 ORBIT and COSMIC Results for Setrusumab (UX143) in Osteogenesis Imperfecta
London, December 29, 2025 – Mereo BioPharma Group plc (NASDAQ: MREO) (“Mereo” or the “Company”), a clinical stage biopharmaceutical company focused on rare diseases, today announced results from the Phase 3 ORBIT and COSMIC studies for setrusumab (UX143) in Osteogenesis Imperfecta (OI).
Mereo BioPharma Provides Update on Pipeline Progress and Corporate Developments
LONDON, January 08, 2024 – Mereo BioPharma Group plc (NASDAQ: MREO) (“Mereo” or the “Company”), a clinical-stage biopharmaceutical company focused on rare diseases, today provided an update on its pipeline programs as well as an update on recent corporate developments.
Mereo BioPharma Reports on Recent Program Developments and Provides Financial Update
London, October 23, 2023 – Mereo BioPharma Group plc (NASDAQ: MREO) (“Mereo” or the “Company”), a clinical-stage biopharmaceutical company focused on rare diseases, today provided an update on recent program developments and third quarter 2023 financial information.
Ultragenyx and Mereo BioPharma Announce Interim Phase 2 Data from Phase 2/3 Orbit Study Demonstrating Setrusumab (UX143) Significantly Reduced Fracture Rates in Patients with Osteogenesis Imperfecta (OI)
NOVATO, Calif., VANCOUVER, British Columbia and LONDON, UK — Oct. 14, 2023 — Ultragenyx Pharmaceutical Inc. (NASDAQ: RARE) and Mereo BioPharma Group plc (NASDAQ: MREO) today announced interim data from the Phase 2 portion of the Phase 2/3 Orbit study demonstrating that treatment with setrusumab (UX143) significantly reduced incidence of fractures in patients with OI with at least 6 months of follow-up and continues to demonstrate ongoing and meaningful improvements in lumbar spine bone mineral density (BMD). The data were presented in a late-breaker presentation at the American Society for Bone and Mineral Research 2023 Annual Meeting (ASBMR).
Mereo BioPharma Reports Interim Financial Results for the Six Months Ended June 30, 2023 and Provides Corporate Update
London, September 7, 2023 - Mereo BioPharma Group plc (NASDAQ: MREO) (“Mereo” or the “Company”), a clinical-stage biopharmaceutical company focused on rare diseases, today announced its unaudited interim financial results for the six months ended June 30, 2023 and provided an update on recent corporate highlights.
Ultragenyx Announces First Patients Dosed in Phase 3 Program Evaluating Setrusumab (UX143) for the Treatment of Osteogenesis Imperfecta (OI)
NOVATO, Calif. — July 06, 2023 — Ultragenyx Pharmaceutical Inc. (NASDAQ: RARE) today announced that the first patients have been dosed in both of its late-stage clinical trials evaluating setrusumab in pediatric and young adult patients with OI sub-types I, III and IV. The Phase 3 portion of the pivotal Phase 2/3 Orbit study is evaluating the effect of setrusumab compared to placebo on annualized clinical fracture rate in patients aged 5 to <26 years. The newly initiated Phase 3 Cosmic study is an active-controlled study evaluating setrusumab compared to intravenous bisphosphonate (IV-BP) therapy on annualized total fracture rate in patients aged 2 to <5 years.
Ultragenyx and Mereo BioPharma Announce Positive Data from the Ongoing Phase 2/3 Orbit Study of Setrusumab (UX143) in Osteogenesis Imperfecta (OI)
NOVATO, Calif and LONDON, UK — June 5, 2023 — Ultragenyx Pharmaceutical Inc. (NASDAQ: RARE) and Mereo BioPharma Group plc (NASDAQ: MREO) today announced data from the dose-selection Phase 2 portion of the Phase 2/3 Orbit study showing that setrusumab rapidly induced bone production in OI-affected patients. Across all patients evaluated, as of the data cut off, setrusumab demonstrated statistically significant increases in levels of serum P1NP, a sensitive marker of bone formation, and a substantial and significant improvement in bone mineral density (BMD) by 3 months.
Mereo BioPharma to Present at the Jefferies Healthcare Conference
LONDON, May 30, 2023, Mereo BioPharma Group plc (NASDAQ: MREO) (“Mereo” or the “Company”), a clinical-stage biopharmaceutical company focused on rare diseases, today announced that Dr. Denise Scots-Knight, Chief Executive Officer, will present at the Jefferies Healthcare Conference on Thursday, June 8, 2023 at 09:30am ET / 01:30pm GMT. A live audio webcast of the presentation can be accessed through the Investors section of the Company’s website at www.mereobiopharma.com/investors. An archived replay of the webcast will be available on the Company’s website for two weeks following the live event.
Phase 2 Data from “ASTRAEUS” Trial of Mereo BioPharma’s Alvelestat in Alpha-1 Antitrypsin Deficiency-associated Lung Disease Presented at the 2023 American Thoracic Society International Conference
London, May 23, 2023 - Mereo BioPharma Group plc (NASDAQ: MREO), (“Mereo” or “the Company”), a clinical-stage biopharmaceutical company focused on rare diseases today announced that data from the Phase 2 “ASTRAEUS” trial of alvelestat for the treatment of Alpha-1 Antitrypsin Deficiency-associated Lung Disease (AATD-LD), as well as post-hoc analyses demonstrating the association between biomarker reductions with alvelestat and improvements in SGRQ, a key Patient-Reported Outcome (PRO) measure, were presented for the first time to the scientific community at the 2023 American Thoracic Society International Conference. The ASTRAEUS data were presented during an oral abstract session on novel treatments and targets by Prof. Robert Stockley, Lung Investigation Unit, University of Birmingham (United Kingdom) and Chief Investigator of the ASTRAEUS trial, while the post-hoc analyses were presented in a poster session by Dr. Jackie Parkin, Senior Vice President and Therapeutic Head at Mereo.
Mereo BioPharma Regains Compliance with Nasdaq Minimum Bid Price Requirement
LONDON, May 08, 2023 -- Mereo BioPharma Group plc (NASDAQ: MREO) (“Mereo” or the “Company”), a clinical-stage biopharmaceutical company focused on rare diseases, today announced that it received written confirmation from the Nasdaq Stock Market LLC ("Nasdaq") that it had regained compliance with the minimum bid price requirement under the Nasdaq Listing Rules for continued Nasdaq listing, and is now compliant with applicable listing standards for continued Nasdaq listing. To regain compliance with the applicable Nasdaq Listing Rule, the Company was required to maintain a minimum closing bid price of $1.00 or more for at least 10 consecutive trading days, which was achieved on May 5, 2023.
Mereo BioPharma Announces Listing Transfer to Nasdaq Capital Market
LONDON, May 05, 2023 -- Mereo BioPharma Group plc (NASDAQ: MREO) (“Mereo” or the “Company”), a clinical-stage biopharmaceutical company focused on rare diseases, today announced that it has received approval from Listing Qualifications Department of the Nasdaq Stock Market (“Nasdaq”) to transfer the listing of its American Depositary Shares (“ADSs”) from the Nasdaq Global Market to the Nasdaq Capital Market. This transfer became effective at the opening of business on May 3, 2023.
Notice of AGM
Notice of AGM. This notice is important and may require your immediate attention
Mereo BioPharma Provides Regulatory Updates on Alvelestat for the Treatment of Alpha-1-Antitrypsin Deficiency-Associated Lung Disease
London, March 21, 2023 – Mereo BioPharma Group plc (NASDAQ: MREO) (Mereo or the Company), a clinical-stage biopharmaceutical company focused on rare diseases, today announced regulatory feedback following recent end-of-Phase 2 meetings with the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA) related to its alvelestat program for the treatment of alpha-1-antitrypsin deficiency-associated lung disease (AATD-LD). Company to host conference call today at 8:30am ET