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    AZN   GB0009895292


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AstraZeneca antibody cocktail fails to prevent COVID-19 in large trial

06/15/2021 | 02:27am EDT

* No reliable results from trial to show prevention of infections

* AstraZeneca has five more ongoing trials

* Industry testing range of antibodies

June 15 (Reuters) - AstraZeneca said on Tuesday a late-stage trial failed to provide evidence that its COVID-19 antibody therapy protected people who had contact with an infected person from the disease, a small setback in its efforts to find alternatives to vaccines.

The study assessed whether the therapy, a cocktail of two types of antibodies, could prevent adults who had been exposed to the virus in the past eight days from developing COVID-19 symptoms.

The therapy, AZD7442, was 33% effective in reducing the risk of people developing symptoms compared with a placebo, but that result was not statistically significant — meaning it might have been due to chance and not the therapy.

The Phase III study, which has not been peer reviewed, included 1,121 participants in the United Kingdom and the United States. The vast majority, though not all, were free of the virus at the start of the trial.

Results for a subset of participants who were not infected to begin with was more encouraging but the primary analysis rested on results from all participants.

"While this trial did not meet the primary endpoint against symptomatic illness, we are encouraged by the protection seen in the PCR negative participants following treatment with AZD7442," AstraZeneca Executive Vice President Mene Pangalos said in a statement, referring to the polymerase chain reaction tests which diagnose COVID-19.

The company is banking on further studies to revive the product's fortunes. Five more trials are ongoing, testing the antibody cocktail as treatment or in prevention.

The next one will likely be from a larger trial testing the product in people with a weakened immune system due to cancer or an organ transplant, who may not benefit from a vaccine.


AZD7442 belongs to a class of drugs called monoclonal antibodies which mimic natural antibodies produced by the body to fight off infections.

Similar therapies developed by rivals Regeneron, Eli Lilly and GlaxoSmithKline with partner Vir have been approved by U.S. regulators for treating unhospitalised COVID patients.

Regeneron is also seeking U.S. authorisation for its therapy as a preventative treatment.

European regulators have recommended antibody treatments by GSK, Celltrion, Eli Lilly and Regeneron for used in early-stage patients who are at risk of progressing to severe COVID-19. The EU watchdog made the endorsement to support the use by member states ahead of an EU-wide marketing authorisation.

But the AstraZeneca results are a small blow for the drug industry as it tries to find more targeted alternatives to COVID-19 inoculations, particularly for people who may not be able to get vaccinated or those who may have an inadequate response to inoculations.

The Anglo-Swedish drugmaker, which has faced a rollercoaster of challenges with the rollout of its COVID-19 vaccine, is also developing new treatments and repurposing existing drugs to fight the virus.

AstraZeneca also said on Tuesday it was in talks with the U.S. government on "next steps" regarding a $205 million deal to supply up to 500,000 doses of AZD7442. Swiss manufacturer Lonza was contracted to produce AZD7442.

Shares in the company were largely unchanged on the London Stock Exchange.

The full results will be submitted for publication in a peer-reviewed medical journal, the company said. (Reporting by Vishwadha Chander in Bengaluru; Editing by Shounak Dasgupta, Kim Coghill and Emelia Sithole-Matarise)

© Reuters 2021
Stocks mentioned in the article
ChangeLast1st jan.
ASTRAZENECA PLC -0.11% 8268 Delayed Quote.12.89%
CELLTRION, INC. -3.06% 253500 End-of-day quote.-29.39%
GLAXOSMITHKLINE PLC 0.81% 1417.8 Delayed Quote.5.65%
LONZA GROUP AG 1.82% 705.2 Delayed Quote.23.98%
REGENERON PHARMACEUTICALS -1.46% 574.61 Delayed Quote.20.70%
VIR BIOTECHNOLOGY, INC. -2.03% 35.65 Delayed Quote.33.12%
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Financials (USD)
Sales 2021 34 470 M - -
Net income 2021 5 128 M - -
Net Debt 2021 26 957 M - -
P/E ratio 2021 30,4x
Yield 2021 2,45%
Capitalization 178 B 178 B -
EV / Sales 2021 5,95x
EV / Sales 2022 4,75x
Nbr of Employees 76 100
Free-Float 96,4%
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Mean consensus OUTPERFORM
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Last Close Price 114,91 $
Average target price 133,66 $
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Managers and Directors
Pascal Soriot Chief Executive Officer & Executive Director
Marc Pierre Jean Dunoyer Chief Financial Officer & Executive Director
Leif Valdemar Johansson Non-Executive Chairman
Menelas N. Pangalos EVP-Biopharmaceuticals Research & Development
Pam P. Cheng Executive VP-Operations & Information Technology
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