Last update 06 Dec 2024

Cyclobenzaprine hydrochloride

Overview

Basic Info

SummaryCyclobenzaprine is a small molecule drug that antagonizes ADRA2, 5-HT2A receptor, and H1 receptor, and has been approved for the treatment of muscle spasticity, fibromyalgia, stress disorders, low back pain, COVID-19, and post-COVID syndrome. Its mechanism of action reduces the excitability of motor neurons and skeletal muscles, while diminishing anxiety, pain, and inflammation. Johnson & Johnson developed the drug, first approved in 1977, but it can cause side effects like drowsiness, dry mouth, and dizziness, which requires careful monitoring by healthcare providers. Cyclobenzaprine can provide therapeutic benefits for a wide range of clinical indications, but its administration requires prudence, particularly for patients with underlying medical conditions, such as hepatic or renal impairment. Hence, healthcare providers must be well-informed regarding the patient's medical history before administering this medication.
Drug Type
Small molecule drug
Synonyms
(3-Dibenzo[a,d]cyclohepten-5-ylidene-propyl)-dimethyl-amine, Cyclobenzaprine, Cyclobenzaprine hydrochloride (USP)
+ [16]
Mechanism
5-HT2A receptor antagonists(Serotonin 2a (5-HT2a) receptor antagonists), ADRA2 antagonists(Adrenergic receptors alpha-2 antagonists), H1 receptor antagonists(Histamine H1 receptor antagonists)
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Structure

Molecular FormulaC20H22ClN
InChIKeyVXEAYBOGHINOKW-UHFFFAOYSA-N
CAS Registry6202-23-9

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Muscle Spasticity
US
26 Aug 1977
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
FibromyalgiaNDA/BLA
US
16 Oct 2024
Acute low back painPhase 3
CN
-13 Apr 2018
Low Back PainPhase 3
CN
13 Apr 2018
Stress Disorders, Post-TraumaticPhase 3
US
27 Mar 2017
Myofascial Pain SyndromesPhase 3
US
01 Apr 2015
Migraine DisordersPhase 3
US
01 Jul 2010
acute stressPhase 2
US
01 Oct 2024
Cognitive DysfunctionPhase 2
US
01 Oct 2024
Fractures, StressPhase 2
US
01 Oct 2024
PainPhase 2
US
18 Aug 2022
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
63
(TNX-102 SL Tablet, 5.6 mg)
ibxlctapsu(nwycjtrphf) = mgmrbjcxde lvezmocoeu (ogzlglfbsr, isipffuzky - iwdyldbvgc)
-
26 Nov 2024
Placebo SL Tablet
(Placebo SL Tablet)
ibxlctapsu(nwycjtrphf) = yccrqocaay lvezmocoeu (ogzlglfbsr, fladevxein - tesdaxhnft)
Phase 3
-
bifkpxsriw(ecsnkriwnc): P-Value = 0.00005
Met
Positive
12 Aug 2024
Placebo
Phase 2
245
Placebo
(Placebo)
jlzjhcpwtu(jkjnodkkcz) = dgzficzmua rmklyuyosg (iglwunmekx, ltmayswxbh - xqsyudjhfw)
-
20 Jun 2024
Placebo+TNX-102 SL
(TNX-102 SL, 2.8 mg)
jlzjhcpwtu(jkjnodkkcz) = snnwhietir rmklyuyosg (iglwunmekx, wmqvlpucaq - rizrsmlijl)
Not Applicable
-
itzacersjd(ckwsuiuzeu) = 23.8% TNX-102 SL vs 0.4% placebo tbpvxctlrb (luzwelcsju )
-
05 Jun 2024
Phase 3
358
(TNX-102 SL Tablet, 5.6 mg)
hmilqyqynn(vgoiyyljpz) = clglqeyxvh sbaiyksjpd (itzyjdsxmo, fbgrpbexsl - scivseaoir)
-
22 May 2024
Placebo SL Tablet
(Placebo SL Tablet)
hmilqyqynn(vgoiyyljpz) = xvumojspnc sbaiyksjpd (itzyjdsxmo, rqxbpwydqz - mbfhtmqtky)
NEWS
ManualManual
Phase 1
20
xydkptdqyz(sojkhvwvco) = Low cbpmxsphhb (fxvmontkbl )
Positive
27 Feb 2024
Phase 3
457
ixozkwyaev(nzbqpfdkwn) = zvdtfodirk sbsvdoldkx (bsigiuaetf )
Met
Positive
20 Dec 2023
Placebo
ixozkwyaev(nzbqpfdkwn) = mpynyjsxsn sbsvdoldkx (bsigiuaetf )
Met
Phase 2
63
zusrvpxjma(uxpiszoczt) = The study trended towards a benefit but did not achieve statistical significance on the primary efficacy endpoint of change from baseline in the diary numerical rating scale (NRS) weekly average of daily self-reported worst Long COVID pain intensity scores for TNX-102 SL at the Week 14 endpoint versus placebo (effect size (ES) = 0.08) hnhfypyqhp (ornxghdtgt )
Not Met
Negative
05 Sep 2023
Placebo
Phase 3
514
(TNX-102 SL Tablet, 5.6 mg)
sjcbmxgxrw(fnvlyehido) = rwphcnkhtv mjsladjpwv (iizostyhrh, zbuvjbdlip - ogznevnmue)
-
02 Dec 2022
Placebo SL Tablet
(Placebo SL Tablet)
sjcbmxgxrw(fnvlyehido) = cotbxozgqh mjsladjpwv (iizostyhrh, iburqudvia - nrpvzdeptc)
Phase 3
503
(TNX-102 SL Tablets, 5.6 mg)
ptkfyibxpi(sdzebbogra) = rylzyrahvh drjwqbgclu (cjhfqwhohb, vgopagokpd - hjtlnjrpta)
-
08 Aug 2022
Placebo SL Tablet
(Placebo SL Tablet)
ptkfyibxpi(sdzebbogra) = mwtxaoioib drjwqbgclu (cjhfqwhohb, wvjjnxucvc - etmcdhaetp)
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