Item 7.01 Regulation FD Disclosure.
On
The information in this Item 7.01, including Exhibit 99.1 attached hereto, is intended to be furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.
Item 8.01 Other Events.
On
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Six evaluable patients were enrolled in dose level 1 (DL1; 30 million CAR+ cells) and dose level 2 (DL2; 100 million CAR+ cells), 33% (2/6) were female and the median age was 62 years (range 45-75). There were five patients with large B-cell lymphoma and one with mantle cell lymphoma. Indolent lymphomas, such as follicular lymphoma, are currently not enrolled in the study.
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Overall, the patients were heavily pretreated with a median number of prior therapies of 3.5 (range 2-5) and had a poor prognostic outlook as indicated by the median International Prognostic Index (IPI) score of 3.5 (range 2-4). One patient previously progressed following two prior treatments with autologous anti-CD19 CAR T cell therapy (lisocabtagene maraleucel) prior to receiving ADI-001.
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At Day 28, the overall response rate (ORR) and the complete response (CR) rate based upon independent central reading by PET/CT were 67% (4/6 patients).
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As of the
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Two patients remained in CR with ? three months post-treatment follow-up, including a triple-hit large B-cell lymphoma patient who had previously progressed following two administrations of autologous anti-CD19 CAR-T and a total of five lines of prior therapy.
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As previously disclosed, one patient, a 66-year-old female who had responded to ADI-001, developed COVID-19 related pneumonia approximately two and a half months after ADI-001 administration and later died of complications from it, unrelated to ADI-001. This patient was previously reported as a partial response (PR) by local radiological assessment and has been assessed as a CR by independent central reading.
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One patient with a CR had not reached the three-month assessment date as of the data-cut date for the ASCO abstract submission.
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Safety data from the trial at the
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All response data have been determined per protocol by independent central reading of PET/CT per Lugano (2014) criteria.
The disclosure under this Item 8.01 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. These forward-looking
statements include, but are not limited to, express or implied statements
regarding the potential safety, durability, tolerability and therapeutic effects
of ADI-001; and the expectations around the upcoming release of interim clinical
data from the Company's Phase 1 trial of ADI-001 in NHL patients. 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 Adicet's
business and financial results, including with respect to disruptions to
Adicet's clinical trials, business operations and ability to raise additional
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capital; Adicet's ability to execute on its strategy, including obtaining the
requisite regulatory approvals on the expected timeline, if at all; that
positive results from a clinical study may not necessarily be predictive of the
results of future or ongoing clinical studies; clinical studies may fail to
demonstrate adequate safety and efficacy of Adicet's product candidates, which
would prevent, delay, or limit the scope of regulatory approval and
commercialization; and regulatory approval processes of the FDA and comparable
foreign regulatory authorities are lengthy, time-consuming, and inherently
unpredictable. 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 for
the year ended
Item 9.01 Exhibits. (d) Exhibits Exhibit No. Description 99.1 Press Release ofAdicet Bio, Inc. onMay 26, 2022 , furnished herewith. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)
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