| AE | Adverse Event |
| ADR | Adverse Drug Reaction |
| CA | Competent Authority |
| CI | Chief Investigator |
| CPMP | Committee for Proprietary Medicinal Products (known as CHMP - Committee for Medicinal Product for Human Use) |
| CRC | Clinical Research Centre |
| CRF | Case Report Form |
| CTA | Clinical Trial Authorisation |
| CTIMP | Clinical Trial of an Investigational Product |
| EC | European Commission |
| EMEA | European Medicines Agency |
| EU | European Union |
| EudraCT | European Clinical Trials Database (European Union Drug Regulating Authorities Clinical Trials) |
| GCP | Good Clinical Practice |
| GLP | Good Laboratory Practice |
| GMP | Good Manufacturing Practice |
| GTAC | Gene Therapy Advisory Committee |
| IB | Investigators Brochure |
| ICH | International Conference on Harmonisation |
| IMP | Investigational Medicinal Product |
| IRAS | Integrated Research Application System |
| MA | Marketing Authorisation |
| MHRA | Medicines and Healthcare Products Regulatory Authority |
| NRES | National Ethics Research Service |
| PI | Principal Investigator |
| PIAG | Patient Information Advisory Group |
| PIS | Patient/participant Information Sheet |
| R&D | Research and Development |
| REC | Research Ethics Committee |
| SAE | Serious Adverse Event |
| SAR | Serious Adverse Reaction |
| SI | Statutory Instrument |
| SmPC | Summary of Product Characteristics |
| SOP | Standard Operating Procedure |
| SSA | Site Specific Assessment |
| SSIF | Site Specific Information Form |
| SUSAR | Suspected Unexpected Serious Adverse Reaction |
| TMF | Trial Master File |
| TCTU | Tayside Clinical Trials Unit |
| UK | United Kingdom |
