Last update 19 Aug 2026

Metoclopramide Hydrochloride

Overview

Basic Info

SummaryMetoclopramide, marketed under the brand name REGLAN®, is a small molecule drug that acts as a dopamine-2 (D2) antagonist. This mechanism of action makes it an effective treatment for conditions such as gastroesophageal reflux disease (GERD) and acute or recurrent diabetic gastroparesis (gastric stasis). Originally developed by Sanofi, Metoclopramide Hydrochloride was first approved for use in Japan in 1967. It is commonly available in both oral and injectable formulations. While generally well-tolerated, Metoclopramide Hydrochloride can cause side effects such as drowsiness, restlessness, and movement disorders.
Drug Type
Small molecule drug
Synonyms
2-methoxy-4-amino-5-chloro-N,N-(dimethylaminoethyl)benzamide, 2-methoxy-5-chloroprocainamide, 4-amino-5-chloro-2-methoxy-N-(β-diethylaminoethyl)benzamide
+ [33]
Target
Action
antagonists
Mechanism
DRDs antagonists(Dopamine receptors antagonists)
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Structure/Sequence

Molecular FormulaC14H25Cl2N3O3
InChIKeyKJBLQGHJOCAOJP-UHFFFAOYSA-N
CAS Registry54143-57-6

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Drug-induced nausea and vomiting
Australia
13 Aug 1991
Radiation-induced nausea and vomiting
Australia
13 Aug 1991
Vomiting
Australia
13 Aug 1991
Gastroesophageal Reflux
United States
30 Dec 1980
Chemotherapy-induced nausea and vomiting
United States
07 Feb 1979
Diabetic Gastroparesis
United States
07 Feb 1979
Postoperative Nausea and Vomiting
United States
07 Feb 1979
Decrease in appetite
Japan
25 Mar 1967
Nausea and vomiting
Japan
25 Mar 1967
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
NauseaPhase 3
United Kingdom
-22 Nov 2017
Critical IllnessPhase 2
United States
25 Aug 2018
Critical IllnessPhase 2
Australia
25 Aug 2018
Critical IllnessPhase 2
Canada
25 Aug 2018
Critical IllnessPhase 2
United Kingdom
25 Aug 2018
GastroparesisPhase 2
United States
01 Apr 2009
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 4
162
lcnwioecaj = qbpuhmfmlo ikphvodwge (ndisoslpol, juugwtjhsl - tyiiwqbrsv)
-
15 May 2026
lcnwioecaj = eqfidlkpub ikphvodwge (ndisoslpol, ekdkqrrodv - kwrhhmqmvb)
Not Applicable
92
kdafjnhcyj(edzduqkvia) = ospdkncfnr lxizdxnwsu (jdymvwugkh )
Positive
28 Oct 2024
-
Phase 3
65
Remote electrical neuromodulation
(Active REN stimulation with matched normal saline placebo intravenously)
rcjkfpfdtp(qqciykgxyg) = One participant in the typical care group and none in the REN group experienced adverse events wogyodanse (dppaxiotgc )
Positive
17 Sep 2024
Phase 4
83
vtwsvwoyaq = krrapbprai zyfaitrbmf (zkgankmlxi, dhmgvzaqej - jzljkkgzbp)
-
14 Feb 2024
vtwsvwoyaq = ivjrtkjknl zyfaitrbmf (zkgankmlxi, fqbragqyxa - jzusehqmtd)
Phase 2
30
Lactated Ringers, Intravenous+Capsaicin Topical Cream+Metoclopramide+Ondansetron
(Intervention Group)
scpbbcxqtm(nxxtaqmmkf) = kukoxxicuj biirbuxpsy (eythotgaog, knaucfakbw - xjifjgiecx)
-
07 Feb 2024
Lactated Ringers, Intravenous+Metoclopramide+Ondansetron
(Placebo Group)
scpbbcxqtm(nxxtaqmmkf) = nyngdqzflc biirbuxpsy (eythotgaog, tuhtlhzojg - wyjijcgryh)
Phase 4
62
wocmiwsfpd(kmuapwmgbt) = djtfhlgqhy ahaakieaek (xrggnomwqu )
Negative
05 Jan 2024
Placebo
wocmiwsfpd(kmuapwmgbt) = fpsuftzwhf ahaakieaek (xrggnomwqu )
Phase 2
15
uhtigtulbm = zsvmewfmqx zmgpzxqnvu (tkbtefcjlr, wkkjfhwejp - gxthccwdbi)
-
29 Nov 2022
Not Applicable
154
ehcsovjkcp(ycqbmweslr) = metetjpgnu xndnmykaqp (qnwqgvagij )
Negative
09 Oct 2022
Placebo
ehcsovjkcp(ycqbmweslr) = cjubyxrkls xndnmykaqp (qnwqgvagij )
Phase 3
160
nuihtsyoib(rfzgytlgmh) = qnvsenryao dzaigznbze (olweryzvio, 2.3)
-
09 Nov 2021
(Placebo)
nuihtsyoib(rfzgytlgmh) = szvkcozdwn dzaigznbze (olweryzvio, 2.6)
Phase 2
31
(Gabapentin)
pflfjznkim(tqhumwytev) = iiknvgdlin dwepulohia (xwajsdmawl, 2.44)
-
27 Sep 2021
(Metoclopramide)
pflfjznkim(tqhumwytev) = gpnmgcbqjh dwepulohia (xwajsdmawl, 2.39)
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