# This Biotech’s Drug Could Treat Hot Flashes. The Stock Is Up 34% on Good News.

> **Open Intelligence Dossier** · First detected: 2026-08-10 19:07 UTC · Category: Business

## Executive Summary
AbCellera shares surged after Phase 2 trial results for ABCL635 showed an 83% reduction in menopause-related hot flashes.

## Intelligence Brief
Biotechnology firm AbCellera has announced positive top-line results from its Phase 2 clinical trial for ABCL635, a drug designed to treat vasomotor symptoms. According to a release from Business Wire, the trial data demonstrated a significant reduction in both the frequency and severity of hot flashes, while also maintaining a favorable tolerability profile for the participants. Yahoo Finance reports that the drug specifically cut menopause hot flashes by 83% during the Phase II trial process. This medical development has led to a sharp increase in the company's market valuation as investors react to the clinical success. Financial coverage from Bloomberg.com and Barron's highlights the immediate impact on the company's stock price. Bloomberg reports that AbCellera's shares climbed as much as 41% following the release of the trial results, while Barron's notes that the stock is up 34% on the news.


Fierce Biotech emphasizes that the women's health data represents the most aggressive upside scenario for the company. This specific reporting suggests that the trial outcome exceeded previous expectations regarding the efficacy of the treatment for women experiencing these symptoms. The context of this development places AbCellera in direct competition with other major pharmaceutical entities. Fierce Biotech explicitly mentions that these positive results put companies such as Astellas and Bayer on notice. The significance of the ABCL635 data lies in its ability to address vasomotor symptoms, which are the physiological drivers of hot flashes during menopause. By proving a high rate of reduction in symptoms with a tolerable profile, AbCellera has positioned its biotech platform as a viable competitor in the women's health market, challenging existing players in the space.


Looking forward, the focus will remain on the transition from these top-line Phase 2 results toward further clinical validation. While the current data indicates a significant reduction in symptom severity, the coverage does not yet specify the timeline for Phase 3 trials or the expected date for regulatory filing. Market observers will be monitoring how AbCellera leverages this upside scenario to navigate the competitive landscape against Astellas and Bayer. The sustained performance of the stock will likely depend on the company's next steps in moving ABCL635 toward commercial availability.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| TradingView | Why Did ABCL, REPL, ABNB Stocks Hit 52-Week Highs Today? | [Source Link](https://news.google.com/rss/articles/CBMitAFBVV95cUxPUGlkNzhEYkE4MGZfTXgtanc4LTAxQzhDRENVYTNIS1JOd2NyUEdnRVQzblBvcF8zLVZOQmphU0c1Z2RNbDFYSlU2amhoZVFZTkZqUzN6VXJVVlE1S3Y1VjktVTVhYnVQbUR2Vjd3R3M4Z0UzT1UxODlaMHc3OXV5U2hrQ0xicmlKdFUtRm9rMGVhV3l6QnFkR1BkZE4tMm9Qbm13MXVqLWxYcWxqZFg5OWdSREU?oc=5) |
| FirstWord Pharma | AbCellera's hot flash antibody shows promise for once-monthly dosing | [Source Link](https://news.google.com/rss/articles/CBMiU0FVX3lxTFAwLWJpbHN0VXlPdzUteUY3OUduOV92S1dpWUxiNEFONS1oZHRrQWhBYUdRczBXQWpEaGJydkhqWkFCWjlsR0w5aExScDl4QjBGT0ZV?oc=5) |
| The Globe and Mail | AbCellera stock soars on ‘off the chart’ trial results from hot flash treatment for menopausal women | [Source Link](https://news.google.com/rss/articles/CBMirAFBVV95cUxOdndfVzR4R3h6Qy0yVklSZ0JmeUM5OURiTVlQaGxNejN2SWdSaExrdWFGN0g0cGRnWEgxWXoySGYxZzdhMzg4a1Q1ZnQxSnloclBwcEMwV0pMVkVlYzVOeUtrQmw5ZElzMmpIRW5paG5YRDhlZVBjQlZNekNVMkxZRWZpLWVWczhkeTRNT2RrOXVxVlBZR1lMOW44VmpJWnBoTzhtOTJ0TTNoeVlM?oc=5) |
| Yahoo Finance | AbCellera Stock Jumps 33% on a Positive Menopause Trial | [Source Link](https://news.google.com/rss/articles/CBMimgFBVV95cUxNd09NMWNycmZjX0doWWk5ZmpmOGlubGE0cGd4N2pFdVBJNDdMZGhuWWg4U3pDZjk0WHhVODBCak9FVTBkQS12NHBpTHkxeHZfOHNiOGl0QzJtMDFoWV9yLUttU2JwMlpaX2N6UUJ0SEg3YU9zT0ZkNkNqa0R4RnVrM2Utc2VUSWlsakZvaTBsVDFia1JaRHc3RF9B?oc=5) |
| MarketBeat | AbCellera’s ABCL-635 Cuts Menopause Hot Flashes 83% in Phase II Trial | [Source Link](https://news.google.com/rss/articles/CBMivgFBVV95cUxNRG9ScVRWRGRLWS0wWFFGWjU4dkxEbjZjazNZTW10LTMyOFpmVWloajNaUmtpRHFNNUxrX2s2Q3lWancycE1TRVBXZThwQ25wb3pkc25ob1RyNkN6ZklacnBNVVp1MnRRR0tRd0RISlNtVFhsaHlER2NXb2xlOVlPS1E1OG1zM1VOM2RYaGFEVktEM2N4YlZUVDdfVEQxMEJxNzBLTGQtZDUtSlRHV0VsODBKUGp4bEJUek9zLWR3?oc=5) |
| StocksToTrade | ABCL Stock Climbs As Vertex Deal And Data Catalyst Fire Up Traders | [Source Link](https://news.google.com/rss/articles/CBMihAFBVV95cUxNYl9Kd3lDd1R4RU1xd0lEWGRBQVZlLWdtMjYzZ1dTSUM2R0FDVGlyQk40eE1WdDdkVEpvTmh6ZUNQQ2FvSXlEdWhkdF9qdnprUzN4RXkwU291NFdzaktsc0o0YXpoNFllV3R4c3Z4RmpsQTk4YjkxV2NNd21RMlBfM21idmE?oc=5) |
| Bloomberg.com | Hot-Flash Drug Trial Result Sends AbCellera Up as Much as 41% | [Source Link](https://news.google.com/rss/articles/CBMitgFBVV95cUxNRGZOUXo2Z1NkMEtNa1RUQlhzOG84MzZmNUh6V2tzWWh6RVVSeEE1QXp0ajVVa0w1RGlVd3h0eFQ2bG5WdWNjNXNRVmdFZFN5THhuS0lvX3Ywak93QlNQRHVrSXJBMV93RmJBcjZzakhGRF9KZV9MaXJSX2t1MWxreWlKazF0WkJuVjBvaS16ZDNvXzJvbHJwUjNjWmdDYWZLWnYzZTU1bkZfTmRac1FMSHpCOUpPdw?oc=5) |
| Fierce Biotech | AbCellera women’s health data top ‘most aggressive upside scenario,’ putting Astellas and Bayer on notice | [Source Link](https://news.google.com/rss/articles/CBMivwFBVV95cUxNRkJtZkRBVktNWkZOdXZhTzhWWE5RSGtrLVJ6QTRBUEk4REJfTHU1T1dJS0tOSE9jRHRPZG5xYnNYWG02aFM3Q2w3VThzcUwtM3QyNEhaby1nMkpXTkMyT2RERElRX0ZwNUJoRkxLN3BTN2JUcGNyWUo3Tm02MFNXNE42V2V4eFlfZHFuZmRldURkWUlMVWFoS1BOelRtM21RbjJEaXBBRWJRWERXdXdTLUZfWkE4NWZOLTZSNnhJWQ?oc=5) |
| Business Wire | AbCellera Announces Positive Top-Line Phase 2 Clinical Trial Results for ABCL635, Demonstrating Significant Reduction in Frequency and Severity of Vasomotor Symptoms and a Favorable Tolerability Profile | [Source Link](https://news.google.com/rss/articles/CBMi9AJBVV95cUxNalBUQnd2bWs5ZlZvUVZwQ3hIV1U3SHZHZWYzNFhBWnVwUGZTU3lDQUJqbzRfOTc4ck9BZ091WjEtSHBRQ1pZYUNQTWE5eFB5MV9sc3ZLQUE2NGN0WHRaZUZpNlVMMzhBX2llOEY3VWdzWVBtbFBEZ0oyd24tR1RxUndtSDB0LWJjZE84d1RwUVRGeXFPM25tTHpOM2pZUzNGYlRtNjNid1c4a0FRb0xVQWhCMnFsQVRvOHY5U0ZuTGEyWXlkQVNVZ0NaQUd1N1RIWTRuSmxmRmdxdm84a0NhVWFvalJURFFGVXoxZlhzYm56V1dRMGJ2QktrWFRocm5BSzQ5MHh2aGYxcmFUTldZSnRlSjlubnFWNk9xSXdLT2xPTzZVdlZVTkJRZElvY29KLTVrQlFRN2ZZX3ZWLVhsTlBhRWdqYzFMQ0F3Q2wtOWIyWDByQkx) |
| Yahoo Finance | AbCellera’s ABCL-635 Cuts Menopause Hot Flashes 83% in Phase II Trial | [Source Link](https://news.google.com/rss/articles/CBMimgFBVV95cUxPQURrSUsybkktTXZ3a0tCMmdnbFFmcy16NDVvWC1rVy1kbkZNcmhqQ2ZRVHlwS3Y3WDZOMXRQQmQ4dkNSbU9UZ3o5M0h2RFFyMzdWbDd3LVJBREZuOVhVN1VRSG1nWHltNmZHX256VG92LWZ3RUtTTUdsWnJtdTBia1dERkFPS3hTTXZzTllLOHBTSERrNVkyTWRn?oc=5) |
| Barron's | This Biotech’s Drug Could Treat Hot Flashes. The Stock Is Up 34% on Good News. | [Source Link](https://news.google.com/rss/articles/CBMifEFVX3lxTE9JdV81NTVXX1dyb01BQjNiZHFtMmZFM3RXWDJySVUxcFZlMEhzTDZreVFUVFZTRWoyR3NtbGc2Mm52Vm1sR0ZfdnVrRHQ3MXJ0UTdHSzhJek9YTzlSaWJFNklhOEVIdzlzTzhNeFFrOUJ0SlIwT2cwZmVvQWg?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-08-10/this-biotech-s-drug-could-treat-hot-flashes-the-stock-is-up-34-on-good-news*