New Drug Reduces Cough in Guinea Pigs
Author Information
Author(s): Leung Sum Yee, Niimi Akio, Williams Alison S, Nath Puneeta, Blanc F-Xavier, Dinh Q Thai, Chung K Fan
Primary Institution: Imperial College, London, UK
Hypothesis
A novel pyridazinylpiperazine analog TPRV-1 inhibitor can effectively reduce cough reflex stimulated by citric acid and capsaicin.
Conclusion
A novel pyridazinylpiperazine analog TPRV-1 inhibitor can inhibit the cough reflex, induced by both low pH and capsaicin, suggesting that it could be clinically beneficial in treatment of cough.
Supporting Evidence
- V112220 reduced coughs induced by citric acid by 73 ± 11%.
- V112220 reduced coughs induced by capsaicin by 70 ± 9.4%.
- The study used a controlled experimental design with pre-screening of animals.
Takeaway
A new medicine helped guinea pigs cough less when they were exposed to certain irritants. This could help people with coughs too.
Methodology
Guinea pigs were injected with a TRPV-1 inhibitor and their cough responses to citric acid and capsaicin were measured.
Limitations
The study was conducted on guinea pigs, and results may not directly translate to humans.
Participant Demographics
Male Hartley guinea pigs, weighing 600-700 g.
Statistical Information
P-Value
p < 0.01 for citric acid, p < 0.05 for capsaicin
Confidence Interval
95% CI
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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