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Adicet Bio Announces Initiation of its First-in-Human Phase 1 Trial of ADI-001 for the Treatment of B Cell Non-Hodgkin's Lymphoma

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Adicet Bio (Nasdaq: ACET) has initiated its First-in-Human Phase I clinical trial for ADI-001, an innovative allogeneic gamma delta T cell therapy aimed at treating B cell non-Hodgkin's lymphoma (NHL). This open-label trial will enroll around 75 patients diagnosed with relapsed or refractory B cell malignancies. The primary focus is on evaluating ADI-001's safety, tolerability, and pharmacodynamics, with preliminary results expected by late 2021. The therapy's potential, based on encouraging preclinical data, suggests it could provide a new treatment option for NHL patients.

Positive
  • Initiation of First-in-Human Phase I trial for ADI-001 represents a significant milestone.
  • ADI-001 shows potential based on encouraging preclinical results.
  • The trial aims to evaluate safety, tolerability, and optimal dosing as a monotherapy.
Negative
  • The trial may face delays due to the impact of COVID-19.
  • Uncertainty regarding the efficacy and safety outcomes of ongoing clinical studies.

MENLO PARK, Calif. and BOSTON, Mass., March 10, 2021 /PRNewswire/ -- Adicet Bio, Inc. (Nasdaq: ACET), a biotechnology company discovering and developing allogeneic gamma delta T cell therapies for cancer and other diseases, today announced that it has initiated its First-in-Human Phase I clinical trial evaluating ADI-001 for the treatment of B cell non-Hodgkin's lymphoma (NHL). ADI-001 is an investigational first-in-class allogeneic gamma delta T cell therapy expressing a chimeric antigen receptor (CAR) targeting CD20, engineered to potentially enhance selective tumor targeting, facilitate innate and adaptive anti-tumor immune response, and improve persistence for durable activity in patients.

"Initiating the Phase 1 trial represents an important milestone in the development of our lead product candidate, ADI-001, for patients with NHL, and for Adicet's emerging pipeline of "off-the-shelf" gamma delta T cell product candidates. Based on ADI-001's encouraging preclinical data, we believe our novel CAR gamma delta T cell therapy has the potential to provide an attractive treatment option for NHL patients," said Francesco Galimi, M.D., Ph.D., Senior Vice President and Chief Medical Officer of Adicet. "We are excited to bring ADI-001 into clinical development and look forward to advancing our product pipeline to address additional solid and hematologic tumors."

Adicet's Phase I trial is an open-label, multi-center study of ADI-001 enrolling adults diagnosed with B cell malignancies who have either relapsed, or are refractory to at least two prior regimens. The primary objectives of the trial are to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of ADI-001, and to determine optimal dosing as a monotherapy. A combination of ADI-001 and interleukin 2 may also be evaluated in this trial. The trial is expected to enroll approximately 75 patients, with preliminary safety and tolerability data expected by the end of 2021, subject to the impact of COVID-19. For more information about the clinical trial design, please visit: www.clinicaltrials.gov (NCT04735471).

About non-Hodgkin's lymphoma

NHL is the most common cancer of the lymphatic system, and develops in white blood cells called lymphocytes. Approximately 90% of NHL patients in western countries are diagnosed with B cell lymphomas of various types. Diffuse Large B cell lymphoma, or DLBCL, is the most common type of NHL, accounting for 30% of NHL diagnoses. Most types of NHL are incurable with available therapies, and more than 70,000 new cases of NHL are diagnosed each year in the United States.

About ADI-001

ADI-001 is an investigational allogeneic gamma delta T cell therapy being developed as a treatment for B-cell non-Hodgkin's lymphoma (NHL). ADI-001 targets malignant B-cells via an anti-CD20 CAR and via the gamma delta T cell endogenous cytotoxicity receptors. Gamma delta T cells engineered with an anti-CD20 CAR have demonstrated potent antitumor activity in preclinical models, leading to long-term control of tumor growth

About Adicet Bio, Inc.

Adicet Bio, Inc. is a biotechnology company discovering and developing allogeneic gamma delta T cell therapies for cancer and other diseases. Adicet is advancing a pipeline of "off-the-shelf" gamma delta T cells, engineered with chimeric antigen receptors and T cell receptor-like antibodies to enhance selective tumor targeting, facilitate innate and adaptive anti-tumor immune response, and improve persistence for durable activity in patients. For more information, please visit our website at http://www.adicetbio.com.

Forward-Looking Statements

This press release contains "forward-looking statements" of Adicet within the meaning of the Private Securities Litigation Reform Act of 1995 relating to business and operations of Adicet including, but not limited to the initiation of Adicet's Phase 1 trial of ADI-001 for the treatment of B cell non-Hodgkin's lymphoma, including future plans or expectations as well as the expected potential therapeutic effects, the timing and outcome of discussions with FDA and other regulatory agencies, expectations regarding the design, implementation, timing, and success of future clinical studies of ADI-001, including whether they are pivotal or would support registration, and expectations regarding its other CAR gamma delta T cell therapy development activities.

Any forward-looking statements in this press release are based on management's current expectations and beliefs of future events, and are subject to a number of risks and uncertainties that could cause actual results to differ materially and adversely from those set forth in or implied by such forward-looking statements, including without limitation, the effect of COVID-19 on our business and financial results, including with respect to disruptions to our clinical trials, business operations, and ability to raise additional capital; Adicet's ability to execute on its strategy; that positive results from a clinical study may not necessarily be predictive of the results of future or ongoing clinical studies; future clinical studies may fail to demonstrate adequate safety and efficacy of our product candidates, which would prevent, delay, or limit the scope of regulatory approval and commercialization; regulatory approval processes of the FDA and comparable foreign regulatory authorities are lengthy, time–consuming, and inherently unpredictable; regulatory developments in the United States and foreign countries; and the company's estimates regarding expenses, future revenue, and capital requirements.   For a discussion of these and other risks and uncertainties, and other important factors, any of which could cause Adicet's actual results to differ from those contained in the forward-looking statements, see the section entitled "Risk Factors" in Adicet's most recent annual report on Form 10-K and our periodic reports on Form 10-Q and Form 8-K filed with the SEC, as well as discussions of potential risks, uncertainties, and other important factors in Adicet's other filings with the SEC. All information in this press release is as of the date of the release, and Adicet undertakes no duty to update this information unless required by law.

Adicet Bio., Inc.
Investor and Media Contacts

Anne Bowdidge
abowdidge@adicetbio.com

Janhavi Mohite
Stern Investor Relations, Inc.
212-362-1200
janhavi.mohite@sternir.com

Cision View original content:http://www.prnewswire.com/news-releases/adicet-bio-announces-initiation-of-its-first-in-human-phase-1-trial-of-adi-001-for-the-treatment-of-b-cell-non-hodgkins-lymphoma-301244090.html

SOURCE Adicet Bio, Inc.

FAQ

What is the purpose of the Phase I clinical trial for ADI-001?

The trial aims to evaluate the safety, tolerability, and pharmacokinetics of ADI-001 in treating B cell non-Hodgkin's lymphoma.

When are preliminary results for the ADI-001 trial expected?

Preliminary safety and tolerability data from the trial are expected by the end of 2021.

How many patients will participate in the ADI-001 trial?

Approximately 75 patients diagnosed with B cell malignancies are expected to enroll in the trial.

What type of cancer is ADI-001 targeting?

ADI-001 is targeting B cell non-Hodgkin's lymphoma, a common cancer of the lymphatic system.

What are the potential implications of ADI-001's clinical trial results?

Successful results could lead to a new treatment option for NHL patients and further development of Adicet's gamma delta T cell therapies.

Adicet Bio, Inc.

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