Sunday, July 5, 2026

Clinical research tools

Clinical Research Tools

Calculators and generators for clinical trial design, hepatic impairment review, monitoring, and operations — aligned to ICH E6(R2) GCP, FDA, and EMA guidance. No login required.

21 Live tools
21 Total planned
Free Always

Clinical research professionals rely on precise calculations and structured tools to design rigorous trials, classify hepatic impairment, monitor patient safety, and meet regulatory expectations. These tools support CRAs, clinical pharmacologists, and trial managers with browser-based calculators — no software installation required.

Available Clinical Research Tools

CrCl
Creatinine Clearance Calculator

Cockcroft-Gault CrCl + CKD staging

BSA
BMI + BSA Calculator

DuBois, Mosteller, Haycock BSA for oncology dosing

DOS
Dosage Calculator

mg/kg weight-based dosing with pediatric check

Half-Life Calculator

Drug concentration over time, elimination table

CP
Child-Pugh Score Calculator

Hepatic impairment class A/B/C for drug dosing context

FIB4
FIB-4 Index Calculator

Non-invasive liver fibrosis score for NASH/HCV trials

C2V
CHA₂DS₂-VASc Score

AFib stroke risk for anticoagulation decisions

HBL
HAS-BLED Score

Major bleeding risk on anticoagulation

HRT
HEART Score

ED chest pain MACE risk stratification

WPE
Wells' PE Score

Pulmonary embolism pre-test probability

WDV
Wells' DVT Score

Deep vein thrombosis probability

ASCVD
ASCVD Risk Calculator

10-year atherosclerotic cardiovascular risk

N
Sample Size Calculator

Statistical power, α, β for clinical trial design

Bayes
Bayesian Sample Size Calculator

Posterior probability targets for adaptive trial design

RND
Randomization Generator

Block and simple randomization sequences

AE
Adverse Event Grader

CTCAE Grade 1–5 severity reference

VIS
Visit Schedule Builder

Screening, baseline, follow-up visit calendar

NNT
NNT Calculator

ARR, RR, RRR, NNT/NNH, and CI caveats

CI
Confidence Interval Calculator

RR, OR, risk difference, and mean difference CIs

Ph
Clinical Trial Phases Guide

Phase I–IV timelines and requirements

PRO
Protocol Synopsis Generator

Structured protocol outline tool