Castle Biosciences has announced new positive results from an open-label study investigating IDgenetix, a guided medication management test for patients with neuropsychiatric conditions such as depression and anxiety.  

The study compared outcomes between a previously published, multi-centre, randomised controlled trial (RCT) and real-world evidence (RWE) from a single-centre, non-randomised, open-label study for patients with major depressive disorder (MDD). 

Discover B2B Marketing That Performs

Combine business intelligence and editorial excellence to reach engaged professionals across 36 leading media platforms.

Find out more

According to data from the RCT, IDgenetix-guided medication management showed a 37% improvement in response rates and a 49% improvement in remission rates compared to standard care. The RWE from a single-centre, open-label study demonstrated a 32% improvement in response rates and a 57% improvement in remission rates.  

Castle Biosciences will share this data at the Neuroscience Education Institute (NEI) Congress taking place on 9-12 November 2023.  

IDgenetix is an advanced pharmacogenomic (PGx) test designed to assist clinicians in selecting and managing medication for patients with neuropsychiatric conditions, such as depression and anxiety. The test identifies suitable medications by integrating drug-drug, drug-gene and lifestyle factor interactions into a clinically actionable report. 

In the previously published RCT, the use of IDgenetix for medication management of patients with severe depression significantly improved patient outcomes after 12 weeks of treatment.  

GlobalData Strategic Intelligence

US Tariffs are shifting - will you react or anticipate?

Don’t let policy changes catch you off guard. Stay proactive with real-time data and expert analysis.

By GlobalData

Castle Biosciences presented data from the real-world study at the American Psychiatric Association Annual Meeting held between 20-24 May in San Francisco, US.  

Castle Biosciences R&D SVP Robert Cook said: “This study demonstrates the strong correlation between results from a real-world analysis of IDgenetix and a published RCT from Bradley and colleagues, which showed that patients whose medication management was guided by IDgenetix were 2.65 times more likely to achieve remission of depressive symptoms compared to patients whose medication management was not guided by the test.” 

Clinical Trials Arena Excellence Awards - Nominations Closed

Nominations are now closed for the Clinical Trials Arena Excellence Awards. A big thanks to all the organisations that entered – your response has been outstanding, showcasing exceptional innovation, leadership, and impact.

Excellence in Action
Recognised with 2025 Excellence Awards for Research and Development and Marketing , Novotech converted FDA/EMA fast track designations into faster HDV trial timelines while translating complex HBV science into sponsor ready insights. Discover how this dual strength in execution and communication is reshaping liver disease clinical development.

Discover the Impact