Pharma BD Deal Intelligence

Merck & Co. Inc. / Aton Pharma Inc.

2004 · Acquisition/Merger · Complete

WRONG BY 48 POINTS

Delivered one small niche oncology approval (Zolinza/vorinostat) but the broader HDAC-inhibitor blockbuster thesis never materialized — pivotal trials in multiple myeloma and mesothelioma failed, and Zolinza itself remained a minor product line.

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The coverage arc

Jul 01, 2004 Drugs in R&D (PubMed) Neutral

"Aton Pharma Inc, under license from the Memorial Sloan-Kettering Cancer Center, [is developing] SAHA, a cytodifferentiating agent and histone deacetylase…

Apr 02, 2007 Oncogene (Nature) Bullish

Vorinostat was developed by Columbia University chemist Ronald Breslow and Memorial Sloan-Kettering researcher Paul Marks, who worked from observations on…

Jan 01, 2024 Wikipedia Neutral

Vorinostat became "the first histone deacetylase inhibitor approved by the U.S. Food and Drug Administration (FDA) for the treatment of CTCL on October…

Source summaries from our enrichment pipeline; follow links for originals.

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April 2004; SAHA/vorinostat HDAC inhibitor; led to Zolinza FDA approval Oct 2006 for CTCL; deal value undisclosed

Did it work? Outcome assessment

Delivered one small niche oncology approval (Zolinza/vorinostat) but the broader HDAC-inhibitor blockbuster thesis never materialized — pivotal trials in multiple myeloma and mesothelioma failed, and Zolinza itself remained a minor product line.

Strategic verdict
Failed to Achieve

Key facts

Related deals — scored

DealYearValueOutcome
Merck & Co. Inc. / Aton Pharma Inc. (this deal)200435
Merck & Co. Inc. / Acceleron Pharma Inc.2021$11.5B90
Merck & Co. Inc. / Peloton Therapeutics Inc.2019$2.2B88
Merck & Co. Inc. / AstraZeneca PLC2017$8.5B87
Merck & Co. Inc. / Moderna, Inc.2022$250M86
Merck & Co. Inc. / Moderna, Inc.2016$250M84
Merck & Co. Inc. / Eisai Co., Ltd.2018$5.8B83

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