Details
Stereochemistry | ACHIRAL |
Molecular Formula | 2C15H19N5.H2O.H2O4S |
Molecular Weight | 654.783 |
Optical Activity | NONE |
Defined Stereocenters | 0 / 0 |
E/Z Centers | 0 |
Charge | 0 |
SHOW SMILES / InChI
SMILES
O.OS(O)(=O)=O.CN(C)CCC1=CNC2=CC=C(CN3C=NC=N3)C=C12.CN(C)CCC4=CNC5=CC=C(CN6C=NC=N6)C=C45
InChI
InChIKey=SMWLLNMVQNVPLD-UHFFFAOYSA-N
InChI=1S/2C15H19N5.H2O4S.H2O/c2*1-19(2)6-5-13-8-17-15-4-3-12(7-14(13)15)9-20-11-16-10-18-20;1-5(2,3)4;/h2*3-4,7-8,10-11,17H,5-6,9H2,1-2H3;(H2,1,2,3,4);1H2
Molecular Formula | H2O |
Molecular Weight | 18.0153 |
Charge | 0 |
Count |
|
Stereochemistry | ACHIRAL |
Additional Stereochemistry | No |
Defined Stereocenters | 0 / 0 |
E/Z Centers | 0 |
Optical Activity | NONE |
Molecular Formula | H2O4S |
Molecular Weight | 98.078 |
Charge | 0 |
Count |
|
Stereochemistry | ACHIRAL |
Additional Stereochemistry | No |
Defined Stereocenters | 0 / 0 |
E/Z Centers | 0 |
Optical Activity | NONE |
Molecular Formula | C15H19N5 |
Molecular Weight | 269.3449 |
Charge | 0 |
Count |
|
Stereochemistry | ACHIRAL |
Additional Stereochemistry | No |
Defined Stereocenters | 0 / 0 |
E/Z Centers | 0 |
Optical Activity | NONE |
DescriptionCurator's Comment: description was created based on several sources, including
https://www.drugbank.ca/drugs/DB00953 | https://www.drugs.com/pro/rizatriptan-orally-disintegrating-tablets.html | http://reference.medscape.com/drug/maxalt-maxalt-mlt-rizatriptan-343033 | https://www.ncbi.nlm.nih.gov/pubmed/9357514
Curator's Comment: description was created based on several sources, including
https://www.drugbank.ca/drugs/DB00953 | https://www.drugs.com/pro/rizatriptan-orally-disintegrating-tablets.html | http://reference.medscape.com/drug/maxalt-maxalt-mlt-rizatriptan-343033 | https://www.ncbi.nlm.nih.gov/pubmed/9357514
Rizatriptan (trade name Maxalt) is a 5-HT1 receptor agonist of the triptan class of drugs developed by Merck & Co. for the treatment of migraine headaches. Rizatriptan (trade name Maxalt) is a 5-HT1 receptor agonist of the triptan class of drugs developed by Merck & Co. for the treatment of migraine headaches. Rizatriptan acts as an agonist at serotonin 5-HT1B and 5-HT1D receptors. Rizatriptan binds with high affinity to human cloned 5-HT1B/1D receptors. Rizatriptan benzoate presumably exerts its therapeutic effects in the treatment of a migraine headache by binding to 5-HT1B/1D receptors located on intracranial blood vessels and sensory nerves of the trigeminal system. Rizatriptan is completely absorbed following oral administration. The mean oral absolute bioavailability of the rizatriptan benzoate tablet is about 45%, and mean peak plasma concentrations are reached in approximately 1-1.5 hours. The presence of a migraine headache did not appear to affect the absorption or pharmacokinetics of rizatriptan. Food has no significant effect on the bioavailability of rizatriptan but delays the time to reach peak concentration by an hour. The primary route of rizatriptan metabolism is via oxidative deamination by monoamine oxidase-A (MAO-A) to the indole acetic acid metabolite, which is not active at the 5-HT1B/1D receptor. N-mono-desmethyl-rizatriptan, a metabolite with activity similar to that of parent compound at the 5-HT1B/1D receptor, is formed to a minor degree. Plasma concentrations of N-mono-desmethyl-rizatriptan are approximately 14% of those of parent compound, and it is eliminated at a similar rate. Other minor metabolites, the N-oxide, the 6-hydroxy compound, and the sulfate conjugate of the 6-hydroxy metabolite are not active at the 5-HT1B/1D receptor.
CNS Activity
Originator
Sources: http://www.google.com/patents/EP0497512B1
Curator's Comment: # Merck Sharp and Dohme Ltd.
Approval Year
Targets
Primary Target | Pharmacology | Condition | Potency |
---|---|---|---|
Target ID: CHEMBL1898 Sources: https://www.ncbi.nlm.nih.gov/pubmed/9986723 |
10.1 nM [Ki] | ||
Target ID: CHEMBL1983 Sources: https://www.ncbi.nlm.nih.gov/pubmed/9986723 |
3.0 nM [EC50] | ||
Target ID: CHEMBL214 Sources: https://www.ncbi.nlm.nih.gov/pubmed/9986723 |
140.0 nM [Ki] | ||
Target ID: CHEMBL224 Sources: https://www.ncbi.nlm.nih.gov/pubmed/7752204 |
7.9 µM [IC50] |
Conditions
Condition | Modality | Targets | Highest Phase | Product |
---|---|---|---|---|
Primary | MAXALT Approved UseMAXALT is indicated for the acute treatment of migraine attacks with or without aura in adults. MAXALT is not intended for the prophylactic therapy of migraine or for use in the management of hemiplegic or basilar migraine (see CONTRAINDICATIONS). Safety and effectiveness of MAXALT have not been established for cluster headache, which is present in an older, predominantly male population. Launch Date1998 |
|||
Primary | MAXALT Approved UseMAXALT is indicated for the acute treatment of migraine attacks with or without aura in adults. MAXALT is not intended for the prophylactic therapy of migraine or for use in the management of hemiplegic or basilar migraine (see CONTRAINDICATIONS). Safety and effectiveness of MAXALT have not been established for cluster headache, which is present in an older, predominantly male population. Launch Date1998 |
Cmax
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
44.8 ng/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
15 mg single, oral dose: 15 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
6.2 ng/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
2.5 mg single, oral dose: 2.5 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
54 ng/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
15 mg single, oral dose: 15 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
|
6.1 ng/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
2.5 mg single, oral dose: 2.5 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
|
12.7 ng/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
5 mg single, oral dose: 5 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
13.2 ng/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
5 mg single, oral dose: 5 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
|
27.29 ng/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/16432269/ |
10 mg single, oral dose: 10 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE / MALE food status: FASTED |
|
28.6 ng/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
10 mg single, oral dose: 10 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
32.1 ng/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
10 mg single, oral dose: 10 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
AUC
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
127 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
15 mg single, oral dose: 15 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
16 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
2.5 mg single, oral dose: 2.5 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
161 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
15 mg single, oral dose: 15 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
|
19 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
2.5 mg single, oral dose: 2.5 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
|
33 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
5 mg single, oral dose: 5 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
42 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
5 mg single, oral dose: 5 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
|
68 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
4 mg single, intravenous dose: 4 mg route of administration: Intravenous experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
69.88 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/16432269/ |
10 mg single, oral dose: 10 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE / MALE food status: FASTED |
|
72 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
10 mg single, oral dose: 10 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
84 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
4 mg single, intravenous dose: 4 mg route of administration: Intravenous experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
|
97 ng × h/mL EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
10 mg single, oral dose: 10 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
T1/2
Value | Dose | Co-administered | Analyte | Population |
---|---|---|---|---|
2.4 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
15 mg single, oral dose: 15 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
2.1 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
2.5 mg single, oral dose: 2.5 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
2.4 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
15 mg single, oral dose: 15 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
|
2.2 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
2.5 mg single, oral dose: 2.5 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
|
2.2 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
5 mg single, oral dose: 5 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
2.4 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
5 mg single, oral dose: 5 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
|
2.9 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
4 mg single, intravenous dose: 4 mg route of administration: Intravenous experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
2.4 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
10 mg single, oral dose: 10 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: MALE food status: UNKNOWN |
|
2.4 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
4 mg single, intravenous dose: 4 mg route of administration: Intravenous experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
|
2.6 h EXPERIMENT https://pubmed.ncbi.nlm.nih.gov/10233200/ |
10 mg single, oral dose: 10 mg route of administration: Oral experiment type: SINGLE co-administered: |
RIZATRIPTAN plasma | Homo sapiens population: HEALTHY age: ADULT sex: FEMALE food status: UNKNOWN |
Doses
Dose | Population | Adverse events |
---|---|---|
10 mg single, oral Recommended |
unhealthy, 17 years n = 1 Health Status: unhealthy Age Group: 17 years Sex: F Population Size: 1 Sources: |
Other AEs: Jaundice... |
80 mg single, oral Overdose Dose: 80 mg Route: oral Route: single Dose: 80 mg Sources: |
unhealthy, 25 years n = 2 Health Status: unhealthy Age Group: 25 years Sex: M Population Size: 2 Sources: |
Other AEs: Syncope, Incontinence... Other AEs: Syncope (1 patient) Sources: Incontinence (1 patient) |
80 mg single, oral Overdose Dose: 80 mg Route: oral Route: single Dose: 80 mg Sources: |
unhealthy, 25-29 years n = 2 Health Status: unhealthy Age Group: 25-29 years Sex: M+F Population Size: 2 Sources: |
Other AEs: Dizziness... Other AEs: Dizziness (2 patients) Sources: |
80 mg single, oral Overdose Dose: 80 mg Route: oral Route: single Dose: 80 mg Sources: |
unhealthy, 29 years n = 2 Health Status: unhealthy Age Group: 29 years Sex: F Population Size: 2 Sources: |
Other AEs: Vomiting, Bradycardia... Other AEs: Vomiting (1 patient) Sources: Bradycardia (1 patient) |
10 mg 2 times / day multiple, oral Recommended Dose: 10 mg, 2 times / day Route: oral Route: multiple Dose: 10 mg, 2 times / day Co-administed with:: tacrolimus(8.5 mg/day; oral) Sources: |
unhealthy, 43 years n = 1 Health Status: unhealthy Age Group: 43 years Sex: M Population Size: 1 Sources: |
Disc. AE: Transient ischemic attack... AEs leading to discontinuation/dose reduction: Transient ischemic attack Sources: |
AEs
AE | Significance | Dose | Population |
---|---|---|---|
Jaundice | 10 mg single, oral Recommended |
unhealthy, 17 years n = 1 Health Status: unhealthy Age Group: 17 years Sex: F Population Size: 1 Sources: |
|
Incontinence | 1 patient | 80 mg single, oral Overdose Dose: 80 mg Route: oral Route: single Dose: 80 mg Sources: |
unhealthy, 25 years n = 2 Health Status: unhealthy Age Group: 25 years Sex: M Population Size: 2 Sources: |
Syncope | 1 patient | 80 mg single, oral Overdose Dose: 80 mg Route: oral Route: single Dose: 80 mg Sources: |
unhealthy, 25 years n = 2 Health Status: unhealthy Age Group: 25 years Sex: M Population Size: 2 Sources: |
Dizziness | 2 patients | 80 mg single, oral Overdose Dose: 80 mg Route: oral Route: single Dose: 80 mg Sources: |
unhealthy, 25-29 years n = 2 Health Status: unhealthy Age Group: 25-29 years Sex: M+F Population Size: 2 Sources: |
Bradycardia | 1 patient | 80 mg single, oral Overdose Dose: 80 mg Route: oral Route: single Dose: 80 mg Sources: |
unhealthy, 29 years n = 2 Health Status: unhealthy Age Group: 29 years Sex: F Population Size: 2 Sources: |
Vomiting | 1 patient | 80 mg single, oral Overdose Dose: 80 mg Route: oral Route: single Dose: 80 mg Sources: |
unhealthy, 29 years n = 2 Health Status: unhealthy Age Group: 29 years Sex: F Population Size: 2 Sources: |
Transient ischemic attack | Disc. AE | 10 mg 2 times / day multiple, oral Recommended Dose: 10 mg, 2 times / day Route: oral Route: multiple Dose: 10 mg, 2 times / day Co-administed with:: tacrolimus(8.5 mg/day; oral) Sources: |
unhealthy, 43 years n = 1 Health Status: unhealthy Age Group: 43 years Sex: M Population Size: 1 Sources: |
PubMed
Title | Date | PubMed |
---|---|---|
Characterisation of the 5-HT receptor binding profile of eletriptan and kinetics of [3H]eletriptan binding at human 5-HT1B and 5-HT1D receptors. | 1999 Mar 5 |
|
Triptans in migraine: a comparative review of pharmacology, pharmacokinetics and efficacy. | 2000 Dec |
|
Comparative aspects of triptans in treating migraine. | 2001 |
|
Rizatriptan for acute migraine. | 2001 |
|
Comparison of preference for rizatriptan 10-mg wafer versus sumatriptan 50-mg tablet in migraine. | 2001 |
|
Pharmacokinetics and pharmacodynamics of the triptan antimigraine agents: a comparative review. | 2001 |
|
New abortive agents for the treatment of migraine. | 2001 |
|
The anti-migraine 5-HT(1B/1D) agonist rizatriptan inhibits neurogenic dural vasodilation in anaesthetized guinea-pigs. | 2001 Aug |
|
A comparison of visual analog scale and categorical ratings of headache pain in a randomized controlled clinical trial with migraine patients. | 2001 Aug |
|
A systematic review of the use of triptans in acute migraine. | 2001 Feb |
|
Long-term efficacy and tolerability of rizatriptan wafers in migraine. | 2001 Jun 1 |
|
Efficacy and tolerability of rizatriptan 10 mg in migraine: experience with 70 527 patient episodes. | 2001 Mar |
|
Cluster headache without autonomic symptoms? | 2001 Nov |
|
Clinical features of withdrawal headache following overuse of triptans and other headache drugs. | 2001 Nov 13 |
|
Migraine MLT-down: an unusual presentation of migraine in patients with aspartame-triggered headaches. | 2001 Oct |
|
Patient satisfaction with rizatriptan versus other triptans: direct head-to-head comparisons. | 2001 Oct |
|
Pharmacokinetics of rizatriptan in healthy elderly subjects. | 2001 Oct |
|
Effect of rizatriptan and other triptans on the nausea symptom of migraine: a post hoc analysis. | 2001 Sep |
|
What matters is not the differences between triptans, but the differences between patients. | 2001 Sep |
|
Spotlight on rizatriptan in migraine. | 2002 |
|
Gateways to Clinical Trials. | 2002 Apr |
|
[Satisfaction and recovery of normal activity with rizatriptan 10 mg. Results from the open, prospective, observational 4M study]. | 2002 Dec |
|
[Treatment of migraine in patients with hypertension and ischemic heart disease]. | 2002 Jan 20 |
|
Gateways to Clinical Trials. June 2002. | 2002 Jun |
|
[Controlling migraine with highly effective triptanes. Lowers rate of drug use]. | 2002 May 6 |
|
[Good ruler for assessing effectiveness. Pain free with only one tablet]. | 2002 May 6 |
|
Determinants of migraine-specific quality of life. | 2002 Oct |
|
Comparison of rizatriptan and other triptans on stringent measures of efficacy. | 2002 Sep 10 |
|
Migraine headache recurrence: relationship to clinical, pharmacological, and pharmacokinetic properties of triptans. | 2003 Apr |
|
Coprescription of triptans with potentially interacting medications: a cohort study involving 240,268 patients. | 2003 Jan |
|
Meta-analysis of oral triptan therapy for migraine: number needed to treat and relative cost to achieve relief within 2 hours. | 2003 Jan-Feb |
|
Real-world experiences in migraine therapy with rizatriptan. | 2003 Mar |
|
[Highly selective beginning. Associated symptoms and side effects in retrospect]. | 2003 May 26 |
|
Cost-effectiveness of almotriptan and rizatriptan in the treatment of acute migraine. | 2003 Nov |
|
Patient-reported benefits of rizatriptan compared with usual non-triptan therapy for migraine in a primary care setting. | 2003 Nov |
|
Triptans for treatment of acute pediatric migraine: a systematic literature review. | 2003 Nov |
|
Rizatriptan RPD for severe migraine in the emergency department--a multicenter study. | 2003 Oct |
|
Naratriptan for the treatment of acute migraine: meta-analysis of randomised controlled trials. | 2004 Feb |
|
Neuronal expression and regulation of CGRP promoter activity following viral gene transfer into cultured trigeminal ganglia neurons. | 2004 Jan 30 |
Sample Use Guides
5-10 mg PO at onset of symptoms; repeat dose after 2 hours if necessary; not to exceed 30 mg/24 hr
Route of Administration:
Oral
In Vitro Use Guide
Sources: https://www.ncbi.nlm.nih.gov/pubmed/9357514
Rizatriptan intrinsic efficacy, expressed as percent of the maximal 5-HT response, was measured in cloned human 5-HT1D and 5-HT1B receptors stably expressed in CHO cells using agonist-induced [35S]GTPγS binding. In this assay, interaction of the agonist-occupied receptor with the G-protein results in dissociation of GDP from the G-protein R-subunit and the binding of a molecule of GTP. Under normal conditions the R-subunit dissociates from the âγ-subunits and, following modulation of its effector, intrinsic R-subunit GTPase hydrolyzes the GTP to GDP. Because [35S]GTPγS is resistant to this GTPase, it accumulates in the membrane and it can be measured by virtue of its radiolabel
Substance Class |
Chemical
Created
by
admin
on
Edited
Fri Dec 15 15:53:19 GMT 2023
by
admin
on
Fri Dec 15 15:53:19 GMT 2023
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Record UNII |
13RRH2218G
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Record Status |
Validated (UNII)
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Record Version |
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NCI_THESAURUS |
C47794
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19610426
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SUB20684
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HH-47
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159776-67-7
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153764-00-2
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100000086465
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DTXSID10936169
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13RRH2218G
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C66520
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CHEMBL905
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PARENT -> SALT/SOLVATE | |||
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ANHYDROUS->SOLVATE |
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ACTIVE MOIETY |