Bookmark and Share
BioAssay: AID 648871

Ulcerogenic effect in rat assessed as gastric ulcer overall length at 1.4 mmol/kg, po administered for 6 hrs

The objective of this work was to evaluate the biological properties of a new series of nitric oxide-releasing nonsteroidal anti-inflammatory drugs (NO-NSAIDs) possessing a tyrosol linker between the NSAID and the NO-releasing moiety (PROLI/NO); however, initial screening of ester intermediates without the PROLI/NO group showed the required (desirable) efficacy/safety ratio, which questioned the more ..
_
   
 Tested Compounds
 Tested Compounds
All(4)
 
 
Unspecified(4)
 
 
 Tested Substances
 Tested Substances
All(4)
 
 
Unspecified(4)
 
 
 Related BioAssays
 Related BioAssays
AID: 648871
Data Source: ChEMBL (806319)
Depositor Category: Literature, Extracted
BioAssay Version:
Deposit Date: 2012-09-09
Modify Date: 2014-05-26

Data Table ( Complete ):           View All Data
Tested Compounds:
Description:
Title: Nitric oxide release is not required to decrease the ulcerogenic profile of nonsteroidal anti-inflammatory drugs.

Abstract: The objective of this work was to evaluate the biological properties of a new series of nitric oxide-releasing nonsteroidal anti-inflammatory drugs (NO-NSAIDs) possessing a tyrosol linker between the NSAID and the NO-releasing moiety (PROLI/NO); however, initial screening of ester intermediates without the PROLI/NO group showed the required (desirable) efficacy/safety ratio, which questioned the need for NO in the design. In this regard, NSAID ester intermediates were potent and selective COX-2 inhibitors in vitro, showed equipotent anti-inflammatory activity compared to the corresponding parent NSAID, but showed a markedly reduced gastric toxicity when administered orally. These results provide complementary evidence to challenge the currently accepted notion that hybrid NO-NSAIDs exert their cytoprotective effects by releasing NO. Results obtained in this work constitute a good body of evidence to initiate a debate about the future replacement of NSAID prodrugs for unprotected NSAIDs (possessing a free carboxylic acid group) currently in clinical use.
(PMID: 22148253)
Comment
Putative Target:

ChEMBL Target ID: 50597
Target Type: ORGANISM
Pref Name: Rattus norvegicus
Organism: Rattus norvegicus
Tax ID: 10116
Confidence: Target assigned is non-molecular
Relationship Type: Non-molecular target assigned
Categorized Comment - additional comments and annotations
From ChEMBL:
Assay Type: ADME
Assay Data Source: Scientific Literature
BAO: Assay Format: organism-based format
Result Definitions
TIDNameDescriptionHistogramTypeUnit
OutcomeThe BioAssay activity outcomeOutcome
1UI activity commentUI activity commentString
2UI standard flagUI standard flagInteger
3UI qualifierUI qualifierString
4UI published valueUI published valueFloatmM
5UI standard valueUI standard valueFloatmM

Data Table (Concise)
Data Table ( Complete ):     View All Data
PageFrom: