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Clinical research is a demanding field where precision and standardization are crucial to ensure reliable and reproducible results. Professionals in this sector use numerous acronyms and technical terms daily for protocols, reports, or discussions with international partners. While these abbreviations are practical, they can often seem confusing to newcomers or those unfamiliar with the field.

Are you lost? This page is made for you!

This article aims to demystify the most commonly used acronyms in clinical research by offering a clear, organized list to help you understand and apply them in your work.

The keywords are grouped into several categories:

  1. General Acronyms: Terms frequently used by research teams.
  2. Phases and Study Types: The various stages and methodologies of clinical trials.
  3. Regulations and Organizations: Agencies and laws governing clinical research.
  4. Data and Reports: Tools and processes related to data collection and analysis.
  5. Drugs and Devices: Terms specific to investigational products and medical devices.

Whether you are collaborating with a Clinical Research Organization (CRO), participating in a trial as an investigator, or seeking to better understand study results, this blog article will guide you in mastering the essential vocabulary of clinical research.

General Acronyms

Acronym

Definition

Detailed Definition

ADR

Adverse Drug Reaction

A harmful response to a drug administered under normal conditions.

AE

Adverse Event

An undesirable medical event occurring in a patient during a clinical study.

CI

Chief Investigator

The lead investigator responsible for a clinical study across multiple sites.

CRA

Clinical Research Associate

A professional supervising clinical trials to ensure compliance.

CRC

Clinical Research Coordinator

Coordinates clinical trial activities at a specific site.

CRF

Case Report Form

A structured form completed by investigators or medical staff to document clinical data

eCRF

Electronic Case Report Form

An electronic version of the case report form.

CRO

Clinical Research Organization

An organization managing clinical trials on behalf of sponsors.

CTA

Clinical Trial Agreement

A legal agreement between parties involved in a clinical trial.

EC

Ethics Committee

A committee overseeing the ethical aspects of a clinical study.

GCP

Good Clinical Practice

International standards ensuring the quality of clinical studies.

ICH

International Council for Harmonisation

An organization setting standards for clinical trials. ICH is the organization responsible for creating the ICH E6 GCP guideline and other harmonized standards

IRB

Institutional Review Board

A committee reviewing ethical aspects and protecting participants.

LAR

Legally Authorized Representative

A person legally authorized to consent on behalf of a participant.

PI

Principal Investigator

The person responsible for conducting the clinical study.

SAE

Serious Adverse Event

A severe undesirable medical event requiring special attention.

SOP

Standard Operating Procedure

Standardized documented procedures. Document what you do, do what you document.


Phases and Study Types

Acronym

Definition

Detailed Definition

BA/BE

Bioavailability/Bioequivalence

Studies comparing the availability of a drug or its generic equivalent.

FIM

First-in-Man

The first administration of a compound to humans.

NIS

Non-Interventional Study

A study where no experimental treatment is administered.

P1, P2, P3, P4

Phases 1 to 4

Successive phases of evaluating a drug or medical device.

PD

Pharmacodynamics

The study of the biological effects of drugs.

PK

Pharmacokinetics

The study of the fate of drugs in the body.

PMS

Post-Marketing Surveillance

Monitoring adverse effects after a product is marketed.

RCT

Randomized Controlled Trial

A clinical trial where participants are randomly assigned to groups.


Regulations and Organizations

Acronym

Definition

Detailed Definition

CDISC

Clinical Data Interchange Standards Consortium

Consortium setting standards for clinical data exchange.

EMA

European Medicines Agency

European regulatory body for medicines.

FDA

Food and Drug Administration

U.S. regulatory body overseeing drugs and food.

HIPAA

Health Insurance Portability and Accountability Act

U.S. law governing health data confidentiality.

ICH

International Council for Harmonisation

Council setting standards for clinical trials.

ISO

International Organization for Standardization

Global organization for technical standards.

MHRA

Medicines and Healthcare products Regulatory Agency

U.K. regulator for medicines and healthcare products.


Data and Reports

Acronym 

Definition

Detailed Definition

CSR

Clinical Study Report

Report detailing the results of a clinical trial.

DM

Data Management

The design and configuration of forms and controls to simplify data collection, ensure data quality, and support efficient monitoring.

DMC

Data Monitoring Committee

Committee monitoring data to ensure study integrity.

DSMB

Data Safety Monitoring Board

Committee monitoring data safety to protect patients.

ePRO

Electronic Patient-Reported Outcome

Patient-reported outcomes collected through electronic tools.

RWE

Real-World Evidence

Evidence obtained from real-world (ie subject at home, work, daily life).

SAS

Statistical Analysis System

Software used for statistical analyses.

SDV

Source Data Verification

The process of verifying that data manually transcribed from paper records into the eCRF matches the original source


Drugs and Devices

Acronym 

Definition

Detailed Definition

ANDA

Abbreviated New Drug Application

Application for a generic drug.

BLA

Biologics License Application

Application for approval of a biological product.

IMP

Investigational Medicinal Product

Experimental drug used in a clinical study.

IND

Investigational New Drug

A new drug under experimental development.

IP

Investigational Product

Experimental product used in a clinical study.

MD

Medical Device

Product category. An instrument or implant used to prevent, diagnose, or treat diseases without pharmacological means.

MD Class I,II,III

Medical Devices Categories

Risk-based classification of medical devices (e.g., Class I, II, III in the U.S.; Class I, IIa, IIb, III in the EU) with legal implications for clinical trials.

UDI

Unique Device Identifier

Unique identifier for a medical device.

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