STOCK TITAN

Atossa Therapeutics Inc Stock Price, News & Analysis

ATOS Nasdaq

Welcome to our dedicated page for Atossa Therapeutics news (Ticker: ATOS), a resource for investors and traders seeking the latest updates and insights on Atossa Therapeutics stock.

Atossa Therapeutics Inc (NASDAQ: ATOS) is a clinical-stage biopharmaceutical company pioneering novel therapies for breast cancer and breast health conditions. This page provides investors and healthcare stakeholders with comprehensive access to official press releases, clinical trial developments, and regulatory updates directly from the company.

Track progress on key initiatives including (Z)-endoxifen clinical trials, innovative drug delivery systems like intraductal microcatheter technology, and strategic partnerships. Our curated news collection ensures timely updates on FDA communications, research milestones, and intellectual property developments relevant to oncology therapeutics.

Discover updates across three primary categories: clinical research advancements in estrogen receptor-targeted treatments, regulatory filings for breast cancer therapies, and scientific collaborations enhancing drug delivery platforms. Each update is sourced from verified company communications to maintain accuracy and compliance.

Bookmark this page for streamlined access to Atossa's latest developments in selective estrogen receptor modulation and precision medicine. Regularly updated to serve as your primary resource for understanding the company's progress in addressing unmet needs in oncology care.

Rhea-AI Summary

Atossa Therapeutics (Nasdaq: ATOS) has announced positive interim findings from an Expanded Access study of its oral Endoxifen for breast cancer treatment, which shows no recurrence of cancer in a patient after 18 months. The treatment did not cause common side effects associated with tamoxifen, and significant reductions in tumor markers Ki-67 (50%) and ER+ cells (22%) were observed. A Phase 2 study is ongoing, focusing on newly diagnosed patients, with all interim patients showing considerable Ki-67 reduction.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-8.97%
Tags
none
-
Rhea-AI Summary

Atossa Therapeutics, Inc. (Nasdaq: ATOS) announces a webinar on July 30, 2020, hosted by CEO Dr. Steven Quay. The 30-minute event will discuss the company's breast cancer programs and advancements in two COVID-19 treatments. Registration is free via Tribe Public's website. Dr. Quay, a prominent figure in medical research, holds multiple patents and has contributed significantly to COVID-19 and breast cancer solutions. The event aims to provide insights into Atossa's progress and engage with investors.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
1.56%
Tags
none
-
Rhea-AI Summary

Atossa Therapeutics (NASDAQ: ATOS) has contracted with Avance Clinical to conduct a clinical study of its nasal spray drug candidate, AT-301, aimed at treating COVID-19 in non-hospitalized patients. The double-blinded, randomized, placebo-controlled study will evaluate the safety of AT-301 in 32 healthy adults. The primary goal is to assess tolerability and local irritation, while secondary objectives include bronchospasm evaluations. Atossa plans to file for further regulatory approvals and aims to begin the study soon. The company has also filed provisional patents for AT-301.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
1.01%
Tags
clinical trial covid-19
Rhea-AI Summary

Atossa Therapeutics (Nasdaq: ATOS) has announced positive in vitro results for its COVID-19 nasal spray, AT-301. The drug candidate demonstrated the ability to inhibit SARS-CoV-2 infectivity in VERO cells, suggesting potential efficacy in blocking virus entry into nasal cells. AT-301 aims to create a protective mucosal barrier in the nasal cavity, which could lower COVID-19 symptoms and infectivity. A Phase 1 clinical study is expected to commence soon. Atossa has filed provisional patents related to AT-301's formulation and methods of use.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
10.92%
Tags
none
-
Rhea-AI Summary

Atossa Therapeutics, Inc. (Nasdaq: ATOS) has announced the hiring of key personnel to enhance its clinical, regulatory, and chemistry manufacturing capabilities. Key hires include Heather Fraser, Ph.D., as vice president of clinical, regulatory and CMC; Natalie Farris, MS, as senior director of CMC; and Devon Payne as director of clinical operations. CEO Steven Quay emphasized that these acquisitions will accelerate the company's development pipeline, focusing on breast cancer and COVID-19 treatments, enhancing their strategic value creation efforts.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
4.29%
Tags
management
-
Rhea-AI Summary

Atossa Therapeutics, Inc. (Nasdaq: ATOS) announced promising in vitro test results for its COVID-19 drug candidate, AT-H201. The study indicates that AT-H201 significantly inhibits SARS-CoV-2 infectivity in VERO cells, showing it to be at least four times more potent than remdesivir and 20 times more potent than hydroxychloroquine. A provisional patent has been filed for AT-H201, although further safety and efficacy studies, as well as regulatory approvals, are required before commercialization.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-3.14%
Tags
covid-19
Rhea-AI Summary

Atossa Therapeutics (Nasdaq: ATOS) has initiated development of a second COVID-19 program using its proprietary nasal spray candidate, AT-301. This drug is designed for patients diagnosed with COVID-19 but not requiring hospitalization, aiming to reduce symptoms and slow infection rates. AT-301 targets essential human host proteases to inhibit SARS-CoV-2. The company plans to commence human clinical trials in Q3 2020, pending regulatory approvals. Summit Biosciences has been retained for product development. Provisional patent applications have been filed for AT-301.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
3.65%
Tags
clinical trial covid-19
-
Rhea-AI Summary

Atossa Therapeutics (Nasdaq: ATOS) reported successful in vitro results for its COVID-19 drug candidate, AT-H201, demonstrating potent inhibition of SARS-CoV-2 infectivity in VERO cells. The study showed AT-H201 as the first submicromolar inhibitor identified, surpassing the potency of remdesivir by four times and hydroxychloroquine by twenty times. Dr. Steven Quay, CEO, expressed optimism for further clinical development. However, the company warns that these initial results do not guarantee success in human trials, with additional safety and efficacy studies necessary before commercialization.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
25.71%
Tags
covid-19
-
Rhea-AI Summary

Atossa Therapeutics (ATOS) reported its Q1 2020 financial results, revealing no sustainable revenue and total operating expenses of approximately $2.94 million, down 28% from Q1 2019. Key developments include the launch of the COVID-19 HOPE program to test AT-H201, aiming to improve lung function in COVID-19 patients. Positive interim results from the Phase 2 study of oral Endoxifen indicated a 74% reduction in tumor cell proliferation. The company is planning further clinical trials, with approximately $9.4 million in cash as of March 31, 2020.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-4.91%
Tags
earnings covid-19
Rhea-AI Summary

Atossa Therapeutics (NASDAQ: ATOS) announced positive interim results from its Phase 2 study of oral Endoxifen for breast cancer, reporting a statistically significant 74% reduction in tumor cell proliferation (p = 0.031) over 22 days. All six patients showed a decrease in Ki-67, a key proliferation marker, with levels dropping below 25%. The study, conducted in Australia, aims to enroll 25 patients, and successful results may lead to a Phase 3 study. There were no safety concerns noted, and patients reported fewer side effects compared to traditional therapies.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-13.99%
Tags

FAQ

What is the current stock price of Atossa Therapeutics (ATOS)?

The current stock price of Atossa Therapeutics (ATOS) is $0.8554 as of May 2, 2025.

What is the market cap of Atossa Therapeutics (ATOS)?

The market cap of Atossa Therapeutics (ATOS) is approximately 97.7M.
Atossa Therapeutics Inc

Nasdaq:ATOS

ATOS Rankings

ATOS Stock Data

97.68M
129.09M
0.06%
28.55%
7.05%
Biotechnology
Pharmaceutical Preparations
Link
United States
SEATTLE