I

investigational

In clinical trials, refers to a drug (including a new drug, dose, combination, or route of administration) or procedure that has undergone basic laboratory … [Read more...]

investigational agent

A substance that has been tested in a laboratory and has gotten approval from the U.S. Food and Drug Administration (FDA) to be tested in people. An … [Read more...]

investigational drug

A substance that has been tested in a laboratory and has gotten approval from the U.S. Food and Drug Administration (FDA) to be tested in people. An … [Read more...]

investigator

A researcher in a clinical trial or clinical study. … [Read more...]

inviable

Not able to survive. … [Read more...]

Invirase

(Other name for: saquinavir mesylate) … [Read more...]

involuntary

An action that is not made by choice. In the body, involuntary actions (such as blushing) occur automatically, and cannot be controlled by choice. … [Read more...]

involuntary nervous system

The part of the nervous system that controls muscles of internal organs (such as the heart, blood vessels, lungs, stomach, and intestines) and glands (such as … [Read more...]

INxin

(Other name for: IL4-Pseudomonas exotoxin fusion protein PRX321) … [Read more...]

iobenguane I 123

A substance used to detect certain types of tumors, including pheochromocytomas and neuroblastomas. It contains a substance called iobenguane linked to a … [Read more...]