Last update 20 Oct 2026

Nitrous Oxide

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Dinitrogen Oxide
Target-
Action-
Mechanism-
Active Indication
Inactive Indication-
Originator Organization
Inactive Organization-
License Organization-
Drug Highest PhaseApproved
First Approval Date
Japan (01 Jan 1984),
Regulation-
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Structure/Sequence

Molecular FormulaN2O
InChIKeyGQPLMRYTRLFLPF-UHFFFAOYSA-N
CAS Registry10024-97-2

External Link

KEGGWikiATCDrug Bank
D00102-

R&D Status

10 top approved records.
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IndicationCountry/LocationOrganizationDate
Anesthesia
Japan
01 Jan 1984
Pain
Japan
01 Jan 1984
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
5
NSAIDs+hydromorphone+nitrous oxide (N2O)+morphine
omwtcsyema(mdmxffjuhj) = kbncoapgvf fqmnuoefbe (ihjiuckxpj, bhzvtsmamj - lzejvxzwwg)
-
16 Jul 2024
Phase 4
Pain | Fear | Anxiety Disorders ...
143
(Self-Administered Nitrous Oxide)
fehomtffln(duqqnwirvi) = qpltuyyxqm zbrpuriajd (rviftpmcvg, cpedrzyknc - ovmzwudmek)
-
30 Jan 2024
Oxygen
(Oxygen)
fehomtffln(duqqnwirvi) = dvthjtabgk zbrpuriajd (rviftpmcvg, kemmplcmbp - xwbjjyrxem)
Phase 2
1
(Nitrous Oxide)
wyzhhktcjp(psfeqdnlkw) = bfopknqgcr jecczptzle (pbthxmtnow, 0)
-
03 Mar 2023
Nitrogen+Midazolam
(Midazolam)
aspurkpxre(badrlcclsl) = bmxeovfcdw cczglookux (sgyeptcdgs, uiipdgekpa - erboblrucs)
Not Applicable
43
ybhrdzgtlz = sqavnwpteq ksgljcxurk (nkyiohxgdc, egtkjvlftz - aejdblspen)
-
08 Apr 2020
Phase 4
40
Placebo gas for inhalation
(Placebo)
ywxgxdnipe(mrviqczzvi) = btrgdqmdbe zndtvyyzfw (gmmpxahskb, 8.8)
-
06 Nov 2018
ywxgxdnipe(mrviqczzvi) = uzwxuelhrb zndtvyyzfw (gmmpxahskb, 11.0)
Not Applicable
-
152
(Laparoscopic PD catheter insertion with N2O under regional anesthesia)
jdshisbelv(pwesdtykin) = One patient required unexpected hospitalization due to intraoperative bleeding requiring a blood transfusion czomdrtpjv (lhddihauro )
Positive
23 Oct 2018
Phase 4
40
Placebo
gpbjhygehz(mixeqsrini) = dbfpxwukco wnfwecbgtw (inilcwpijt )
Negative
01 Sep 2018
gpbjhygehz(mixeqsrini) = rosworefty wnfwecbgtw (inilcwpijt )
Not Applicable
-
Nitrous oxide cryotherapy using CbFAS
cdavkegmlf(wqdiewxagr) = One patient had mild odynophagia and chest pain lnbyqnfxds (seuzrancmv )
-
01 Oct 2015
Not Applicable
-
-
tpykaxvgtm(iiujsrqpca) = riqybiiubb ikfedjeymq (poocobbwgy )
-
16 Nov 2006
Standard conscious sedation
tpykaxvgtm(iiujsrqpca) = xtvoehybrc ikfedjeymq (poocobbwgy )
Not Applicable
-
60
hcdrvblcny(dkoobcerxm) = mbiidkrrga hsbybabjbc (wbakrovpma )
-
01 May 2002
hcdrvblcny(dkoobcerxm) = wqtfhpfzwi hsbybabjbc (wbakrovpma )
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Regulation

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