Last reviewed · How we verify

N: Normal saline (placebo)

B.P. Koirala Institute of Health Sciences · FDA-approved active Small molecule

Normal saline is an inert isotonic solution that serves as a physiological control or placebo with no active pharmacological mechanism.

Normal saline is an isotonic solution of sodium chloride that serves as a physiological vehicle for drug delivery or fluid replacement with no active pharmacological mechanism. Used for Placebo control in clinical trials, Vehicle for parenteral drug delivery.

At a glance

Generic nameN: Normal saline (placebo)
SponsorB.P. Koirala Institute of Health Sciences
ModalitySmall molecule
PhaseFDA-approved

Mechanism of action

Normal saline (0.9% sodium chloride in water) is a sterile solution that matches the osmolarity and electrolyte composition of human blood plasma. It is used as a vehicle for drug delivery, a flush solution, or as a placebo control in clinical trials. It has no intrinsic therapeutic mechanism beyond maintaining fluid balance and electrolyte homeostasis.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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