Worldwide Clinical Trials Acquires Catalyst Clinical Research

WEP Clinical Acquires Netherlands-Based CRO Siron Clinical

January 14, 2026

Healthcare Services

WEP Clinical, a global contract research organization, has acquired Netherlands-based Siron Clinical to expand its European footprint and enhance Phase I–IV trial delivery capabilities. Siron — with offices in Belgium and Germany and a track record in orphan, pediatric, and medical device trials — will be integrated into WEP’s Clinical Trials division to broaden operational capacity and geographic reach.

Kohlberg Acquires Majority Stake in Worldwide Clinical Trials

August 7, 2023

Healthcare Services

An affiliate of Kohlberg & Company agreed to acquire a majority stake in Worldwide Clinical Trials, a global contract research organization (CRO) headquartered in Research Triangle Park, North Carolina. The transaction is a recapitalization in which prior investor TJC, L.P. retains a meaningful minority equity stake; terms were not disclosed. Kohlberg will partner with Worldwide's management (Matt Jennings to become chairman) to support continued growth of the company's clinical trial and bioanalytical capabilities.

Catalyst Clinical Research Acquires Genpro Research

July 20, 2023

Healthcare Services

Catalyst Clinical Research, a Wilmington, North Carolina-based CRO and portfolio company of QHP Capital, has acquired Genpro Research, a Massachusetts-based clinical research organization with staff in the US, India, and Ireland. The deal adds more than 120 India-based team members and strengthens Catalyst's capabilities in biometrics/biostatistics, medical writing, real-world evidence (RWE)/HEOR, and AI-enabled automation.

Catalyst Clinical Research Acquires Aptus Clinical

May 4, 2022

Healthcare Services

Catalyst Clinical Research, a portfolio company of NovaQuest Capital Management, has acquired U.K.-based Aptus Clinical to accelerate Catalyst's European expansion and broaden its oncology and early-phase clinical services. The deal creates a multi-region CRO operating across North America and Europe, increases Catalyst's patient reach by nearly 600 and lifts combined headcount to more than 800.

Altasciences Acquires WCCT Global

February 12, 2021

Healthcare Services

Altasciences acquired WCCT Global, an early‑stage clinical research organization (CRO) based in Southern California, expanding its West Coast clinical pharmacology capabilities and adding 180 clinical beds. The transaction, completed February 12, 2021, augments Altasciences’ Phase I/II services and expertise in specialized areas such as ethnobridging to support biopharmaceutical sponsors.

Catalyst Clinical Research Merges with Ce3, Inc.

August 5, 2020

Healthcare Services

Catalyst Clinical Research, a NovaQuest-backed CRO headquartered in Wilmington, North Carolina, has merged with Ce3, Inc., an early-phase oncology-focused CRO based in Clinton, Connecticut. The transaction combines Ce3's 15+ years of oncology expertise with Catalyst's broader clinical development and technology capabilities to create a next-generation oncology-focused CRO (add-on to Catalyst's NovaQuest-backed platform).