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Abivax Achieves Key Milestone in Phase 3 ABTECT Trial Enrollment Phase 3 ABTECT Trial evaluating obefazimod for moderately to severely active ulcerative colitis ( UC ) reaches 1,003 of 1,224 participants, representing 82

Key Takeaway: Abivax SA announced a major milestone in its Phase 3 ABTECT trial for obefazimod, having enrolled over 1,000 participants, which is 82% of the target. The trial is noted for its rapid recruitment rate, demonstrating strong enthusiasm among participants and investigators. The company expects to conclude enrollment by Q2 2025 and provide top-line results for the induction trial in Q3 2025. Additionally, Abivax has confirmed that its financial resources are sufficient to support operations through and beyond critical readout results.

Market Sentiment Analysis

POSITIVE FACTORS

  • Abivax has enrolled over 1,000 participants in the Phase 3 ABTECT trial, showcasing strong interest in the study.
  • The trial is among the fastest-enrolling Phase 3 clinical trials for ulcerative colitis to date.
  • The company anticipates completing trial enrollment by Q2 2025, with key data readouts expected shortly afterward.

Full Press Release Details

Abivax Achieves Key Milestone in Phase 3 ABTECT Trial Enrollment
PARIS, France January 9, 2025 5:35 PM CET Abivax SA (Euronext Paris: FR0012333284 ABVX / Nasdaq: ABVX)
( Abivax or the Company ), a clinical-stage biotechnology company developing innovative therapies to address chronic inflammatory diseases, today announced a significant milestone in the Phase 3 ABTECT clinical trial evaluating
obefazimod for the treatment of moderately to severely active UC.
Marc de Garidel, Chief Executive Officer of Abivax, commented:
We are thrilled to announce that the ABTECT Phase 3 trial has reached a significant milestone, with over 1,000 participants enrolled, representing 82%
of our targeted enrollment. This progress underscores the enthusiasm of investigators and patients for this important trial, which remains among the fastest-enrolling Phase 3 UC trials to date.
Mr. de Garidel went on to say, In order to ensure a balanced representation of bio-na ve and bio-experienced participants amid heightened competition in UC trial recruitment, we now anticipate completing enrollment in Q2 2025 and delivering top-line results for the 8-week induction trial in Q3 2025. With the ABTECT trial, we aim to validate the value of obefazimod as a potentially first-in-class safe and effective oral treatment option,
which remains a significant unmet need for patients with UC.
Looking Ahead to 2025:
With Phase 3 enrollment nearing completion and key data readouts on the horizon, the Company believes 2025 is shaping up to be a pivotal year. Beyond the
ABTECT trial, the Company is advancing its broader portfolio to address chronic inflammatory conditions that affect millions worldwide.
Blondel, Chief Financial Officer of Abivax, added:
Without the need for additional financing, our cash runway extends beyond the expected top-line results from the ABTECT induction trial and into Q4 2025, ensuring we remain well-positioned to execute our strategy.
ABTECT Phase 3 Update:
Abivax is a clinical-stage biotechnology company focused on developing therapeutics that harness the body s natural regulatory mechanisms to stabilize the
immune response in patients with chronic inflammatory diseases. Based in France and the United States, Abivax s lead drug candidate, obefazimod (ABX464), is in Phase 3 clinical trials for the treatment of moderately to severely active
SVP, Investor Relations
FORWARD-LOOKING STATEMENTS
contains forward-looking statements, forecasts and estimates, including those relating to the Company s business and financial objectives. Words such as anticipate, expect, potential and variations of such
words and similar expressions are intended to identify forward-looking statements. These forward-looking statements include statements concerning the Company s expectations for 2025 and 2026, including anticipated timing for top-line data readout of its ABTECT clinical trials and NDA submission, potential therapeutic benefit of obefazimod, and the Company s expected cash runway. Although Abivax s management believes that the
expectations reflected in such forward-looking statements are reasonable, investors are cautioned that forward-looking information and statements are subject to various risks, contingencies and uncertainties, many of which are difficult to predict
and generally beyond the control of Abivax, that could cause actual results and developments to differ materially from those expressed in, or implied or projected by, the forward-looking information and statements. A description of these risks,
contingencies and uncertainties can be found in the documents filed by the Company with the French Autorit des March s Financiers pursuant to its legal obligations including its universal registration document (Document
d Enregistrement Universel) and in its Annual Report on Form 20-F filed with the U.S. Securities and Exchange Commission on April 5, 2024 under the caption Risk Factors. These risks,
contingencies and uncertainties include, among other things, the uncertainties
inherent in research and development, future clinical data and analysis, decisions by regulatory authorities, such as the FDA or the EMA, regarding whether and when to approve any drug candidate,
as well as their decisions regarding labelling and other matters that could affect the availability or commercial potential of such product candidates, and the availability of funding sufficient for the Company s foreseeable and unforeseeable
operating expenses and capital expenditure requirements. Special consideration should be given to the potential hurdles of clinical and pharmaceutical development, including further assessment by the Company and regulatory agencies and IRBs/ethics
committees following the assessment of preclinical, pharmacokinetic, carcinogenicity, toxicity, CMC and clinical data. Furthermore, these forward-looking statements, forecasts and estimates are made only as of the date of this press release. Readers
are cautioned not to place undue reliance on these forward-looking statements. Abivax disclaims any obligation to update these forward-looking statements, forecasts or estimates to reflect any subsequent changes that the Company becomes aware of,
except as required by law. Information about pharmaceutical products (including products currently in development) that is included in this press release is not intended to constitute an advertisement. This press release is for information purposes
only, and the information contained herein does not constitute either an offer to sell or the solicitation of an offer to purchase or subscribe for securities of the Company in any jurisdiction. Similarly, it does not give and should not be treated
as giving investment advice. It has no connection with the investment objectives, financial situation or specific needs of any recipient. It should not be regarded by recipients as a substitute for exercise of their own judgment. All opinions
expressed herein are subject to change without notice. The distribution of this document may be restricted by law in certain jurisdictions. Persons into whose possession this document comes are required to inform themselves about and to observe any

Frequently Asked Questions

What is the ABTECT trial about?

The ABTECT trial is a Phase 3 clinical study evaluating obefazimod for moderately to severely active UC.

How many participants are enrolled in the ABTECT trial?

Over 1,000 participants have been enrolled, achieving 82% of the targeted enrollment.

When will enrollment for the ABTECT trial be completed?

Enrollment is anticipated to be completed in Q2 2025.

What are the expected results timeline for the trial?

Top-line results from the ABTECT trial are expected in Q3 2025.

Is Abivax financially stable for upcoming trials?

Yes, Abivax's cash runway extends beyond the top-line results into Q4 2025.

Last updated: Jan 9, 2025