Specialist supplier of comparator drugs

Accurate, responsive, expert and confidential service

Pharma Supply Chain Services

Offering an accurate, responsive, expert, comprehensive and confidential service.
Comparator Sourcing

We can source comparator drugs, Biosimilars and controlled drugs.

Ancillaries & Medical Devices

We have the ability to source a wide product range.

Logistics

Location, temperature controlled ops, warehousing services.

Project Management & Support

Dedicated project managers, with many years of experience.

Comparator Drugs for Clinical Trials

ADAllen Pharma is a specialist supplier of comparator drugs for global clinical trials.

ADAllen Pharma offers an accurate, responsive, expert and confidential service, with a proven track record. The ADAllen team has an extensive worldwide supplier base and a thorough knowledge of the global pharmaceutical market, and a sound understanding of the many issues involved in sourcing comparators for international clinical trials. We offer a comprehensive service, with first-rate expertise and the dedication to ensure your project is successful.

Quality

At ADAllen Pharma, quality is at the core of everything we do. As a specialist supplier of comparator drugs for global clinical trials, we are committed to maintaining the highest standards across our operations to ensure product integrity, regulatory compliance, and patient safety. We are proud to hold ISO 9001:2015 accreditation with BSI, demonstrating our robust quality management system and dedication to continuous improvement. Our operations are fully GDP compliant and supported by a Wholesale Distribution Authorisation (WDA(H)) and a valid Controlled Drugs (CD) Licence, ensuring full compliance with MHRA and UK Home Office regulations.

All pharmaceuticals are stored and distributed through MHRA-approved sites, with controlled-temperature shipments managed under independently validated and qualified processes. This guarantees product stability throughout the supply chain. We maintain a complete set of operational and financial procedures, supported by secure cloud-based document storage, with daily 24-hour backups to ensure data integrity and traceability. With an unwavering commitment to quality assurance, regulatory compliance, and secure handling, ADAllen Pharma continues to be a trusted partner in the supply of comparator drugs for clinical trials across the globe.

End-to-end clinical trial supply

Trusted medicines, devices and global distribution, delivered with certified precision

ADAllen Pharma represents a number of manufacturers as UK distributors for both medical devices and medicines.

As a procurement specialist for clinical trials especially, our team is trusted by clinical researchers around the world as a reliable and responsive partner providing both confidential and a rapid service that helps to improve the quality and delivery of their clinical trials.

Over 30 years of experience

International clinical trials

Sourcing comparator drugs for international clinical trials is a complex process which requires meticulous planning and oversight on our part in order for us to meet the specific requirements of our clients. We also work very closely alongside our suppliers to ensure any potential sourcing issues are overcome.

With over 30 years of experience in the field of pharmaceutical procurement, we strive to provide an exceptional service to our customers by supporting them at every stage of their request for comparator drugs.

ADAllen Pharma provides comprehensive supply chain solutions for clinical trials, including the procurement of licensed branded and generic medicines, controlled drugs (Schedules 2–5), medical devices, ancillaries, and OTC products, supported by MHRA-approved, temperature-controlled, ISO 9001:2015 accredited UK storage facilities, and secure, compliant national and international distribution.

ISO 9001:2026 Changes

ISO 9001:2026 Changes – What It Means for ADAllen Pharma & Clinical Trial Quality

| ISO 9001 | No Comments
Learn how ISO 9001:2026 changes impact ADAllen Pharma’s Quality Management System and how we’re preparing to strengthen clinical trial sourcing and supply services.
Grass - environmental, social, and governance (ESG) goals

Carbon Footprint & Carbon Reduction Plan 2026

| ESG | No Comments
Discover ADAllen Pharma’s 2026 Carbon Footprint Report and Carbon Reduction Plan, reinforcing sustainable clinical trial sourcing and supply chain excellence.

ADAllen attending the Clinical Pharmacy Congress on 9-10 May 2025

| Ancillaries & Medical devices, Events | No Comments
 As UK distributor of Hemedis GmbH, we will be exhibiting their range of IV Parenteral Nutrition Compounding Equipment and Accessories at the Clinical Pharmacy Congress Show 2025 on 9-10 May…
Environmental Policy

ADAllen Pharma Environmental Policy

| Events | No Comments
We have recently updated our Environmental Policy. Aiming to minimise the consumption of natural resources and reduce the creation of waste.

Speak to an expert to source comparator drugs