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Trial + Data / Events	Status	Ph	N	Region	Interventions	Sponsor	Conditions	Primary compl	Study compl
Lyfnua (gefapixant) / Merck (MSD)
2019-002308-42: Ph3B recently diagnosed cough in adults	Not yet recruiting	3	414	Europe, RoW	MK-7264, Film-coated tablet	Merck Sharp & Dohme Corp., a subsidiary of Merck & Co.,Inc, Merck Sharp & Dohme Corp., a subsidiary of Merck & Co.,Inc	Chronic Cough, Chronic Cough, Diseases [C] - Respiratory Tract Diseases [C08]
2019-002321-29: Efficacy of Gefapixant in Women with Chronic Cough and Stress Urinary Incontinence	Not yet recruiting	3	380	Europe, RoW	MK-7264, Film-coated tablet	Merck Sharp & Dohme Corp., a subsidiary of Merck & Co.,Inc, Merck Sharp & Dohme Corp., a subsidiary of Merck & Co.,Inc	Chronic Cough and Stress Urinary Incontinence, Chronic Cough and Stress Urinary Incontinence, Diseases [C] - Respiratory Tract Diseases [C08]
2015-002034-47: A study to determine the effect of AF-219 on the urge to cough in patients with long-term cough	Not yet recruiting	2	36	Europe	AF-219, Tablet	Afferent Pharmaceuticals, Inc., Afferent Pharmaceuticals, Inc.	Chronic cough, Long-term cough, Diseases [C] - Respiratory Tract Diseases [C08]
NCT05813223: Effect of Gefapixant on Cough-related Brain Activity in Patients With Chronic Cough	Recruiting	1	31	RoW	Gefapixant, Merck (MK)-7264	Stuart Mazzone, Merck Sharp & Dohme LLC, Melbourne Health, Monash University	Chronic Cough	10/25	06/26
RESTORE, NCT06542484: The Real-world Treatment Satisfaction by Gefapixiant in RCC	Recruiting	N/A	63	Japan	Gefapixant Citrate, LYFNUA Tablets	Nagoya City University, Merck Sharp & Dohme LLC	Chronic Cough	03/26	06/26