Achilles Therapeutics Reports First Quarter 2021 Financial Results and Recent Business Highlights

On May 11, 2021 Achilles Therapeutics plc (NASDAQ: ACHL), a clinical-stage biopharmaceutical company developing precision T cell therapies to treat solid tumors, reported its financial results for the first quarter ended March 31, 2021 and recent business highlights(Press release, Achilles Therapeutics, MAY 11, 2021, View Source [SID1234584048]).

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"Achilles made significant progress in the first quarter of 2021. We reported the first clinical data from our ongoing CHIRON and THETIS trials evaluating our precision TIL cNeT therapy in patients with non-small cell lung cancer and melanoma, respectively, and priced our successful US initial public offering on Nasdaq, which closed just after quarter-end," said Dr Iraj Ali, Chief Executive Officer of Achilles. "We continue to enroll and dose patients and have opened our first clinical sites in the US and EU. This year, we expect to report interim data from a total of ten patients that have received cNeT monotherapy across the CHIRON and THETIS trials and will also begin enrolling patients to receive higher dose cNeT. In addition, we will open Cohort B in the THETIS study to evaluate the addition of a PD-1 inhibitor to our cNeT therapy."

Business Highlights


Received a recommendation from the Independent Data Safety Monitoring Committee to continue the ongoing Phase I/IIa CHIRON and THETIS trials as planned


Announced initial clinical data from the first six patients dosed with the Company’s cNeT therapy showing encouraging evidence of cNeT engraftment, an overall tolerability profile similar to that of standard TIL products, stable disease in four out of the six patients, and one patient with tumor lesion reduction

Presented data at the American Association of Cancer Research (AACR) (Free AACR Whitepaper) annual meeting detailing the Company’s comprehensive translational research program and insights into the in vivo dynamics of cNeT post-dosing, and the potential to develop a potency-based release assay

Strengthened the Board of Directors and Scientific Advisory Board with the additions of Julie O’Neill and Markwin Velders, Ph.D., respectively, and continued to build the team in the UK & US, including key appointments across manufacturing, supply chain and clinical operations, bio-processing and intellectual property

Received a Horizon 2020 grant as part of the Neoantigen Consortium, with the aim of developing a tool to predict neoantigen immunogenicity.

Financial Highlights


IPO: Priced an initial public offering of 9,750,000 ADRs at a public offering price of $18.00 per share for gross proceeds of $175.5 million. The IPO closed on April 6, 2021, after the quarter end.


Cash and cash equivalents: Cash and cash equivalents were $159.3 million as of March 31, 2021 as compared to $177.8 million as of December 31, 2020, not including $160.6 million in net proceeds from the IPO which closed on April 6, 2021. The Company anticipates that its existing cash and cash equivalents plus the IPO proceeds are sufficient to fund its planned operations into the second half of 2023, including full funding of the ongoing Phase I/IIa CHIRON and THETIS clinical trials.


Operating Expenses: Operating Expenses were $13.7 million for the quarter ended March 31, 2021, which included $8.9 million in Research & Development, and General and Administrative expenses of $4.8 million.


Net loss: Net loss attributable to ordinary shareholders was $13.8 million for the quarter ended March 31, 2021 and the basic and diluted net loss per ordinary share was $8.38 for the quarter ended March 31, 2021.

Upcoming Events

Iraj Ali, Chief Executive Officer, will participate in a fireside chat at the BofA Securities 2021 Virtual Healthcare Conference at on Thursday, May 13, 2021, at 9:30 a.m. ET / 2:30 p.m. BST.


A poster detailing abstract TPS9138 entitled, An Open-Label, Multi-Centre Phase I/IIa Study Evaluating the Safety and Clinical Activity of Clonal Neoantigen Reactive T cells in Patients with Advanced Non-Small Cell Lung Cancer (CHIRON), will be presented at the 2021 ASCO (Free ASCO Whitepaper) Annual Meeting taking place virtually from June 4-9, 2021. Full abstracts will be released on May 19, 2021 at ASCO (Free ASCO Whitepaper).org.