Refractory and/or Unexplained Chronic CoughPhase 2PAGANININCT04562155
Clinical Study to Evaluate the Efficacy and Safety of Three Different Doses of BAY1817080 Compared to Placebo in Patients With Chronic Cough
A Phase 2 study testing BAY1817080 in people with Refractory and/or Unexplained Chronic Cough, run by Bayer at 99 sites in 19 countries.
Trial summary
Researchers in this study want to find the optimal therapeutic dose of drug BAY1817080 for patients with long-standing cough with or without clear causes (refractory and/or unexplained chronic cough, RUCC). Study drug BAY1817080 is a new drug under development for the treatment of long-standing cough. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Refractory and/or Unexplained Chronic Cough
- What is being tested?
- BAY1817080
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 310 participants
- Where
- 99 sitesin 19 countries
- Study dates
- 2 Oct 2020to 23 Jul 2021
- Phase
- Phase 2
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Adults ≥ 18 years of age at the time of signing the informed consent.
- A cough that has lasted for at least 12 months (unresponsive to treatment options) with a diagnosis of refractory chronic cough and/or idiopathic (unexplained) chronic cough.
- Persistent cough for at least the last 8 weeks before screening.
- Women of childbearing potential must agree to use acceptable effective or highly effective birth control methods during the study and for at least 30 days after the last dose.
- Capable of giving signed informed consent.
Who cannot join
- Smoking history within the last 12 months before screening (all forms of smoking, including e-cigarettes, cannabis and others), and any former smoker with more than 20 pack-years.
- Ongoing or previous exposure to inhalational toxic fumes (e.g., ammonia, chlorine, nitrogen dioxide, phosgene and sulfur dioxide) within the last 12 months before screening.
- Respiratory tract infection within 4 weeks before screening.
- History of chronic bronchitis.
- Systolic blood pressure ≥ 160 mmHg and/or diastolic blood pressure ≥ 100 mmHg at screening visit.
- Positive SARS-CoV-2 virus RNA and/or serology IgG tests at screening visit.
Trial locations and contacts
99 sites in 19 countries.
99 sites in 19 countries
Japan12 sites
Fukushima Medical University Hospital
Fukushima, 960-1295
Hamamatsu Rosai Hospital
Hamamatsu, Shizuoka, 430-8525
Japan community health care organization Kanazawa Hospital
Kanazawa, Ishikawa-ken, 920-8610
University of Occupational and Environmental Health
Kitakyushu, Fukuoka, 807-8556
Komatsu Municipal Hospital
Komatsu, Ishikawa-ken, 923-8560
Matsusaka Municipal Hospital
Matsusaka, Mie-ken, 515-8544
Nagoya City University Hospital
Nagoya, Aichi-ken, 467-8602
Idaimae Minami Yojo
Sapporo, Hokkaido, 064-0804
Tokyo Shinagawa Hospital
Shinagawa-ku, Tokyo, 140-8522
Yokohama City Minato Red Cross Hospital
Yokohama, Kanagawa, 231-8682
Saiseikai Yokohamashi Nanbu Hospital
Yokohama, Kanagawa, 234-8503
University of Fukui Hospital
Yoshida, Fukui, 910-1193
United States8 sites
Bellingham Asthma, Allergy & Immunology Clinic
Bellingham, Washington, 98225
Pharmaceutical Research & Consulting, Inc.
Dallas, Texas, 75231
Minnesota Lung Center
Edina, Minnesota, 55435
Florida Pediatrics
Largo, Florida, 33778
California Allergy & Asthma Medical Group & Research Center
Los Angeles, California, 90025
Montana Medical Research, Inc
Missoula, Montana, 59808
Vanderbilt University Medical School
Nashville, Tennessee, 37212-1610
Chesapeake Clinical Research, Inc.
White Marsh, Maryland, 21162
Argentina7 sites
Centro Médico Dra. De Salvo - Clinical Research Center
Buenos Aires, Ciudad Auton. de Buenos Aires, C1426ABP
Centro de Investigaciones Clínicas
CABA, Ciudad Auton. de Buenos Aires, C1018DES
Fundación CIDEA
CABA, Ciudad Auton. de Buenos Aires, C1121ABE
Investigación en Alergias y Enfermedades Respiratorias-INAER
CABA, Ciudad Auton. de Buenos Aires, C1425
Instituto Ave Pulmo
Mar del Plata, Buenos Aires
Centro Respiratorio Quilmes
Quilmes, Buenos Aires
Investigaciones en Patologías Respiratorias
San Miguel de Tucumán, Tucumán Province
Germany7 sites
Praxis f. Lungen- und Bronchialheilkunde,
Berlin, 10717
Pneumologicum im Südstadt Forum
Hanover, Lower Saxony, 30173
Medizinische Hochschule Hannover (MHH)
Hanover, Lower Saxony, 30625
Klinikum Konstanz
Konstanz, Baden-Wurttemberg, 78464
Priv.-Doz. Dr. med. Christian Gessner
Leipzig, Saxony, 04357
Zentrum f. ambulante pneumologische Forschung Marburg GbR
Marburg, Hesse, 35037
Ballenberger, Freytag, Wenisch
Neu-Isenburg, Hesse, 63263
Russia7 sites
Region Clinical Emergency Hospital n.a. M.A.Podgorbunskogo
Kemerovo, 650000
City Clinical Hospital n.a. D.D. Pletnev
Moscow, 105077
LLC "Medical Center "SibNovoMed""
Novosibirsk, 630005
City Consultative and Diagnostic Center #1
Saint Petersburg, 194354
LLC Astarta
Saint Petersburg, 199226
City Clinical Hospital #4 Samara
Samara, 453056
Voronezh Regional Clinical Hospital #1
Voronezh, 394066
Australia5 sites
Royal Adelaide Hospital
Adelaide, South Australia, 5000
Macquarie University Hospital
Macquarie University, New South Wales, 2109
Maroubra Medical Centre
Maroubra, New South Wales, 2035
Western Respiratory Trial Specialists
Spearwood, Western Australia, 6163
Holdsworth House Medical Practice
Sydney, New South Wales, 2010
Belgium5 sites
Dr. MARTINOT Jean-Benoît
Erpent, 5101
UZ Gent
Ghent, 9000
UZ Leuven Gasthuisberg
Leuven, 3000
CHU de Liège
Liège, 4000
VZW Emmaus
Mechelen, 2800
Czechia5 sites
MUDr Otakar Hokynar - Plicni ambulance
Kralupy nad Vltavou, 278 01
Ordinace pro TBC a respiracni nemoci, s.r.o.
Olomouc, 772 00
Dawon s.r.o.
Prague, 14800
Plicní stredisko Teplice, s.r.o.
Teplice, 415 01
MUDr. Milan Sklenar
Varnsdorf, 407 47
Hungary5 sites
D.Kenessey A Hospital
Balassagyarmat, 2660
EKBC, Uj Szent Janos Korhaz es Szakrendelo
Budapest, 1122
Erzsebet Gondozohaz
Gödöllő, 2100
Da Vinci Maganklinika
Pécs, 7635
Farmakontroll Bt.
Százhalombatta, 2440
Poland5 sites
Centrum Medycyny Oddechowej Mroz Spolka Jawna
Bialystok, 15-044
KLIMED Marek Klimkiewicz
Bychawa, 23-100
Centrum Alergologii Sp. z o.o.
Lublin, 20-552
Ostrowieckie Centrum Medyczne Sp. Cyw. A.O-C. K.C.
Ostrowiec Świętokrzyski, 27-400
Centrum Medyczne Lucyna Andrzej Dymek
Strzelce Opolskie, 47-100
Slovakia5 sites
ALIAN s.r.o.
Bardejov, 085 01
INSPIRO, s.r.o.
Humenné, 066 01
AlergoImunocentrum, s.r.o.
Kežmarok, 060 01
Plucna ambulancia s.r.o.
Poprad, 058 01
Ambulancia klin. imunologie a alergologie, ANA JJ, s.r.o.
Topoľčany, 955 01
Taiwan5 sites
Chang Gung Memorial Hospital Keelung
Keelung, 20401
Far Eastern Memorial Hospital
New Taipei City, 220
Taichung Veterans General Hospital
Taichung, 40705
National Taiwan University Hospital
Taipei, 100
Taipei Medical University Hospital
Taipei, 110
Turkey (Türkiye)5 sites
Akdeniz Universitesi Tip Fakultesi Hastanesi
Antalya, 07058
Istanbul Universitesi Cerrahpasa-Cerrahpasa Tip Fakultesi
Istanbul, 34098
Ege Universitesi Tip Fakultesi
Izmir, 35100
Sureyyapasa Gogus Hasalikleri. ve Gogus Cerrahisi EAH
Maltepe, 34844
Mersin Universitesi Tip Fakultesi
Mersin, 33343
United Kingdom5 sites
West Walk Surgery
Bristol, BS37 4AX
Castle Hill Hospital
Cottingham, HU16 5JQ
King's College Hospital - NHS Foundation Trust
London, SE5 9RS
University Hospital of South Manchester
Manchester, M23 9LT
North Tyneside General Hospital
North Shields, Tyne and Wear, NE29 8NH
Italy4 sites
A.O.U. Careggi
Florence, Tuscany, 50134
ASST Lodi
Lodi, Lombardy, 26845
IRCCS Ospedale Sacro Cuore Don Calabria
Verona, Veneto, 37024
A.O.U.I. Verona
Verona, Veneto, 37126
Spain3 sites
Hospital Universitari Germans Trias i Pujol
Badalona, Barcelona, 08916
Hospital Clínic i Provincial de Barcelona
Barcelona, 08036
Hospital Clínico Universitario de Santiago de Compostela
Santiago de Compostela, A Coruña, 15706
Canada2 sites
Burlington Lung Clinic (BLC) Clinical Research
Burlington, Ontario, L7N 3V2
Clinique de pneumologie et du sommeil de Lanaudière (CPSL)
Saint-Charles-Borromée, Quebec, J6E 2B4
France2 sites
Cochin - Paris
Paris, 75674
CHU de Toulouse - Hôpital Larrey
Toulouse, 31059
Netherlands2 sites
Catharina Ziekenhuis
Eindhoven, North Brabant, 5623 EJ
Isala
Zwolle, 8025 AB
About this study
Official title: Randomized, Double-blind, Parallel Group, Phase 2b Dose-finding, Efficacy and Safety Study of 12-week Twice Daily Oral Administration of BAY 1817080 Compared to Placebo in the Treatment of Refractory and/or Unexplained Chronic Cough (RUCC)
Researchers in this study want to find the optimal therapeutic dose of drug BAY1817080 for patients with long-standing cough with or without clear causes (refractory and/or unexplained chronic cough, RUCC). Study drug BAY1817080 is a new drug under development for the treatment of long-standing cough. It blocks proteins that are expressed by the airway sensory nerves which are oversensitive in patients with long-standing cough. This prevents the urge to cough. Researchers also want to learn the safety of the study drug and how well it works in reducing the cough frequency, severity and urge-to-cough.
Participants in this study will receive either the study drug or placebo (a placebo looks like the test drug but does not have any medicine in it) tablets twice daily for 12 weeks. Observation for each participant will last about 18 weeks in total. Participants will be asked to wear a digital device to record the cough and to complete questionnaires every day to document the symptoms. Blood samples will be collected from the participants to monitor the safety and measure the blood level of the study drug.
- Being tested
- BAY1817080, Placebo
- Keywords
- RUCC, Chronic cough, P2X3 receptor antagonist
- Medical subject headings
- Chronic Cough
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
BAY1817080Drug
Study drug BAY1817080 will be administered orally as tablet.
PlaceboDrug
Matching Placebo for BAY1817080 will be administered orally as tablet.
| Study group | Role | What they receive |
|---|---|---|
| BAY1817080 dose A BID | Experimental | Each participant will be randomized to receive one of three oral doses of BAY 1817080 or placebo, administered twice daily over the course of 12 weeks. Receives: Drug: BAY1817080 |
| BAY1817080 dose B BID | Experimental | Each participant will be randomized to receive one of three oral doses of BAY 1817080 or placebo, administered twice daily over the course of 12 weeks. Receives: Drug: BAY1817080 |
| BAY1817080 dose C BID | Experimental | Each participant will be randomized to receive one of three oral doses of BAY 1817080 or placebo, administered twice daily over the course of 12 weeks. Receives: Drug: BAY1817080 |
| Placebo | Placebo comparator | Each participant will be randomized to receive one of three oral doses of BAY 1817080 or placebo, administered twice daily over the course of 12 weeks. Receives: Drug: Placebo |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change From Baseline in 24-hour Cough Count After 12 Weeks of Intervention
The raw 24-hour cough count measured by cough recording digital wearable monitoring device was standardized to an average hourly count. For the ratio between the geometric means of 24-hour cough count, the geometric mean of 24-hour cough count after 12 weeks of intervention was divided by the geometric mean of 24-hour cough count at baseline.
btw = between geo = geometric
Measured: From baseline up to 12 weeks
Secondary outcomes (8)
Percentage of Participants With a ≥30% Reduction From Baseline in 24-hour Cough Count After 12 Weeks of Intervention
The raw 24-hour cough count measured by cough recording digital wearable monitoring device was standardized to an average hourly count. The change from baseline in 24-hour cough count was calculated by the geometric mean of 24-hour cough count after 12 weeks of intervention minus the geometric mean at baseline divided by the geometric mean at baseline. The percentage of participants with a reduction of ≥30% is shown
Measured: From baseline up to 12 weeks
Change From Baseline in 24-hour Cough Count After 2, 4, and 8 Weeks of Intervention
The raw 24-hour cough count measured by cough recording digital wearable monitoring device was standardized to an average hourly count. For the ratio between the geometric means of 24-hour cough count, the geometric mean of 24-hour cough count after 2, 4, and 8 weeks of intervention was divided by the geometric mean of 24-hour cough count at baseline.
btw = between geo = geometric
Measured: From baseline up to 2 weeks, 4 weeks and 8 weeks
Change From Baseline in Awake Cough Frequency Per Hour After 2, 4, 8 and 12 Weeks of Intervention
Measured by cough recording digital wearable monitoring device
btw = between geo = geometric
Measured: From baseline up to 2 weeks, 4 weeks, 8 weeks and 12 weeks
Change From Baseline in Cough Related Quality of Life After 12 Weeks of Intervention
Measured by Leicester Cough Questionnaire (LCQ) total score. The LCQ was a 19-item instrument that asked about the impact of chronic cough on various aspects of participants' lives using a recall period of two weeks. The 8 items: 1, 2, 3, 9, 10, 11, 14, 15 built the physical domain. 7 items: 4, 5, 6, 12, 13, 16, 17 built the psychological domain. Further 4 items: 7, 8, 18 and 19 built the social domain. Study participants responded to the items using a 7-point Likert scale from 1 (all of the time) to 7 (none of the time) and entered their assessments on a tablet device. Completion of the LCQ took approximately five minutes. The LCQ total score was calculated as a mean score for each of the three domains ranging from 1 to 7, with the LCQ total score ranging from 3 to 21.
Measured: From baseline up to 12 weeks
Change From Baseline in Cough Severity After 12 Weeks of Intervention
Measured by Cough Severity Visual Analogue Scale (VAS). The Cough Severity VAS was a single item instrument, asking the study participant to assess the severity of his/her cough using a 0-100 VAS.
This was a vertically oriented line ordered from 0-100, with 0 = "No Cough" and 100 = "Extremely Severe Cough".
Measured: From baseline up to 12 weeks
Percentage of Participants With a ≥30 Scale Units Reduction From Baseline After 12 Weeks of Intervention
Measured by cough Severity VAS
Measured: From baseline up to 12 weeks
Percentage of Participants With a ≥1.3-point Increase From Baseline After 12 Weeks of Intervention
Measured by LCQ total score. The LCQ was a 19-item instrument that asked about the impact of chronic cough on various aspects of participants' lives using a recall period of two weeks. The 8 items: 1, 2, 3, 9, 10, 11, 14, 15 built the physical domain. 7 items: 4, 5, 6, 12, 13, 16, 17 built the psychological domain. Further 4 items: 7, 8, 18 and 19 built the social domain. Study participants responded to the items using a 7-point Likert scale from 1 (all of the time) to 7 (none of the time) and entered their assessments on a tablet device. Completion of the LCQ took approximately five minutes. The LCQ total score was calculated as a mean score for each of the three domains ranging from 1 to 7, with the LCQ total score ranging from 3 to 21. The percentage of participants with a >= 1.3-point increase in LCQ total score is shown.
Measured: From baseline up to 12 weeks
Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Associated Severity
Adverse event (AE) was defined as any untoward medical occurrence in a study participant, whether or not considered related to the study intervention, occurring from the time of signing the informed consent until the follow-up visit.
TEAE was defined as any event occurring or worsening after the start of study intervention administration until 14 days after the last intake of study intervention.
Measured: From the start of study intervention administration until 14 days after the last study medication intake, with an average of 80.0 + 14 days
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted24 Sep 2020
- Study start2 Oct 2020
- Primary completion22 Jun 2021
- Study completion23 Jul 2021
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (3)Papers the sponsor has linked to this study.
- Other trials for Refractory and/or Unexplained Chronic CoughStudies of the same condition, open and under way.
- More trials run by BayerThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 2
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Who is masked
- Participant, Investigator
- Enrolment
- 310 participants (actual)
Sponsor and investigators
- Lead sponsor
- Bayer
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04562155
- Sponsor's protocol ID
- 20393
- Other IDs
- 2019-004169-42, 2019
- Acronym
- PAGANINI
- Status last verified
- Jul 2022
- First submitted
- 18 Sep 2020
- Last updated
- 18 Aug 2022
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- No: Availability of this study's data will later be determined according to Bayer's commitment to the EFPIA/PhRMA "Principles for responsible clinical trial data sharing". This pertains to scope, timepoint and process of data access. As such, Bayer commits to sharing upon request from qualified researchers patient-level clinical trial data, study-level clinical trial data, and protocols from clinical trials in patients for medicines and indications approved in the US and EU as necessary for conducting legitimate research. This applies to data on new medicines and indications that have been approved by the EU and US regulatory agencies on or after January 01, 2014. Interested researchers can use www.clinicalstudydatarequest.com to request access to anonymized patient-level data and supporting documents from clinical studies to conduct research. Information on the Bayer criteria for listing studies and other relevant information is provided in the Study sponsors section of the portal.
Publications
Fletcher MC. Selectivity of the P2X3 receptor antagonist Eliapixant, and its potential use in the treatment of endometriosis. Purinergic Signal. 2022 Mar;18(1):1-3. doi: 10.1007/s11302-021-09831-5. Epub 2022 Jan 3. No abstract available.
PubMed 34978027Trigg A, Clarke N, Gerlinger C, Krahn U, Gater A, Haberland C. Psychometric validation of the severity of chronic cough diary, leicester cough questionnaire, and a cough severity visual analogue scale in patients with refractory chronic cough. J Patient Rep Outcomes. 2025 Jun 11;9(1):65. doi: 10.1186/s41687-025-00888-z.
PubMed 40498172Dicpinigaitis PV, Morice AH, Smith JA, Sher MR, Vaezi M, Guilleminault L, Niimi A, Gude K, Krahn U, Saarinen R, Pires PV, Wosnitza M, McGarvey L; PAGANINI Investigators. Efficacy and Safety of Eliapixant in Refractory Chronic Cough: The Randomized, Placebo-Controlled Phase 2b PAGANINI Study. Lung. 2023 Jun;201(3):255-266. doi: 10.1007/s00408-023-00621-x. Epub 2023 Jun 1.
PubMed 37261531
Study at a glance
From the registry record, last updated by the sponsor on 18 Aug 2022. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Randomized, Double-blind, Parallel Group, Phase 2b Dose-finding, Efficacy and Safety Study of 12-week Twice Daily Oral Administration of BAY 1817080 Compared to Placebo in the Treatment of Refractory and/or Unexplained Chronic Cough (RUCC)
- ClinicalTrials.gov ID
- NCT04562155
- Acronym / sponsor ID
- PAGANINI / 20393
- Keywords
- RUCC, Chronic cough, P2X3 receptor antagonist
- Phase
- Phase 2
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 310 participants (actual)
- Lead sponsor
- BayerIndustry (pharma, biotech, devices)
- Study start
- 2 Oct 2020 (actual)
- Primary completion
- 22 Jun 2021 (actual)
- Study completion
- 23 Jul 2021 (actual)
- First posted
- 24 Sep 2020 (actual)
- Results
- Posted 18 Aug 2022
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Researchers in this study want to find the optimal therapeutic dose of drug BAY1817080 for patients with long-standing cough with or without clear causes (refractory and/or unexplained chronic cough, RUCC). Study drug BAY1817080 is a new drug under development for the treatment of long-standing cough. It blocks proteins that are expressed by the airway sensory nerves which are oversensitive in patients with long-standing cough. This prevents the urge to cough. Researchers also want to learn the safety of the study drug and how well it works in reducing the cough frequency, severity and urge-to-cough.
Participants in this study will receive either the study drug or placebo (a placebo looks like the test drug but does not have any medicine in it) tablets twice daily for 12 weeks. Observation for each participant will last about 18 weeks in total. Participants will be asked to wear a digital device to record the cough and to complete questionnaires every day to document the symptoms. Blood samples will be collected from the participants to monitor the safety and measure the blood level of the study drug.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (participant, investigator)
- Number of arms
- 4
| Arm | Type | Receives |
|---|---|---|
| BAY1817080 dose A BID | Experimental | Drug: BAY1817080Each participant will be randomized to receive one of three oral doses of BAY 1817080 or placebo, administered twice daily over the course of 12 weeks. |
| BAY1817080 dose B BID | Experimental | Drug: BAY1817080Each participant will be randomized to receive one of three oral doses of BAY 1817080 or placebo, administered twice daily over the course of 12 weeks. |
| BAY1817080 dose C BID | Experimental | Drug: BAY1817080Each participant will be randomized to receive one of three oral doses of BAY 1817080 or placebo, administered twice daily over the course of 12 weeks. |
| Placebo | Placebo comparator | Drug: PlaceboEach participant will be randomized to receive one of three oral doses of BAY 1817080 or placebo, administered twice daily over the course of 12 weeks. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (5 listed)
- Adults ≥ 18 years of age at the time of signing the informed consent.
- A cough that has lasted for at least 12 months (unresponsive to treatment options) with a diagnosis of refractory chronic cough and/or idiopathic (unexplained) chronic cough.
- Persistent cough for at least the last 8 weeks before screening.
- Women of childbearing potential must agree to use acceptable effective or highly effective birth control methods during the study and for at least 30 days after the last dose.
- Capable of giving signed informed consent.
Key exclusion criteria (6 listed)
- Smoking history within the last 12 months before screening (all forms of smoking, including e-cigarettes, cannabis and others), and any former smoker with more than 20 pack-years.
- Ongoing or previous exposure to inhalational toxic fumes (e.g., ammonia, chlorine, nitrogen dioxide, phosgene and sulfur dioxide) within the last 12 months before screening.
- Respiratory tract infection within 4 weeks before screening.
- History of chronic bronchitis.
- Systolic blood pressure ≥ 160 mmHg and/or diastolic blood pressure ≥ 100 mmHg at screening visit.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| BAY1817080Study drug BAY1817080 will be administered orally as tablet. | Drug | BAY1817080 dose A BID, BAY1817080 dose B BID, BAY1817080 dose C BID |
| PlaceboMatching Placebo for BAY1817080 will be administered orally as tablet. | Drug | Placebo |
Primary outcome
Change From Baseline in 24-hour Cough Count After 12 Weeks of Intervention
Time frame: From baseline up to 12 weeks
The raw 24-hour cough count measured by cough recording digital wearable monitoring device was standardized to an average hourly count. For the ratio between the geometric means of 24-hour cough count, the geometric mean of 24-hour cough count after 12 weeks of intervention was divided by the geometric mean of 24-hour cough count at baseline. btw = between geo = geometric
8 secondary outcomes
Percentage of Participants With a ≥30% Reduction From Baseline in 24-hour Cough Count After 12 Weeks of Intervention
Time frame: From baseline up to 12 weeks
Change From Baseline in 24-hour Cough Count After 2, 4, and 8 Weeks of Intervention
Time frame: From baseline up to 2 weeks, 4 weeks and 8 weeks
Change From Baseline in Awake Cough Frequency Per Hour After 2, 4, 8 and 12 Weeks of Intervention
Time frame: From baseline up to 2 weeks, 4 weeks, 8 weeks and 12 weeks
Change From Baseline in Cough Related Quality of Life After 12 Weeks of Intervention
Time frame: From baseline up to 12 weeks
Change From Baseline in Cough Severity After 12 Weeks of Intervention
Time frame: From baseline up to 12 weeks
Percentage of Participants With a ≥30 Scale Units Reduction From Baseline After 12 Weeks of Intervention
Time frame: From baseline up to 12 weeks
Percentage of Participants With a ≥1.3-point Increase From Baseline After 12 Weeks of Intervention
Time frame: From baseline up to 12 weeks
Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Associated Severity
Time frame: From the start of study intervention administration until 14 days after the last study medication intake, with an average of 80.0 + 14 days
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 18 Aug 2022.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Background: PubMed 34978027Fletcher MC. Selectivity of the P2X3 receptor antagonist Eliapixant, and its potential use in the treatment of endometriosis. Purinergic Signal. 2022 Mar;18(1):1-3. doi: 10.1007/s11302-021-09831-5. Epub 2022 Jan 3. No abstract available.
- Derived from this study: PubMed 40498172Trigg A, Clarke N, Gerlinger C, Krahn U, Gater A, Haberland C. Psychometric validation of the severity of chronic cough diary, leicester cough questionnaire, and a cough severity visual analogue scale in patients with refractory chronic cough. J Patient Rep Outcomes. 2025 Jun 11;9(1):65. doi: 10.1186/s41687-025-00888-z.
- Derived from this study: PubMed 37261531Dicpinigaitis PV, Morice AH, Smith JA, Sher MR, Vaezi M, Guilleminault L, Niimi A, Gude K, Krahn U, Saarinen R, Pires PV, Wosnitza M, McGarvey L; PAGANINI Investigators. Efficacy and Safety of Eliapixant in Refractory Chronic Cough: The Randomized, Placebo-Controlled Phase 2b PAGANINI Study. Lung. 2023 Jun;201(3):255-266. doi: 10.1007/s00408-023-00621-x. Epub 2023 Jun 1.
- Click here to find information about studies related to Bayer Healthcare products conducted in EuropeLink provided by the sponsor.
- Individual participant dataSharing planned: No. Availability of this study's data will later be determined according to Bayer's commitment to the EFPIA/PhRMA "Principles for responsible clinical trial data sharing". This pertains to scope, timepoint and process of data access. As such, Bayer commits to sharing upon request from qualified researchers patient-level clinical trial data, study-level clinical trial data, and protocols from clinical trials in patients for medicines and indications approved in the US and EU as necessary for conducting legitimate research. This applies to data on new medicines and indications that have been approved by the EU and US regulatory agencies on or after January 01, 2014. Interested researchers can use www.clinicalstudydatarequest.com to request access to anonymized patient-level data and supporting documents from clinical studies to conduct research. Information on the Bayer criteria for listing studies and other relevant information is provided in the Study sponsors section of the portal.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
99 sites in 19 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2 study testing BAY1817080 in people with Refractory and/or Unexplained Chronic Cough, run by Bayer at 99 sites in 19 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 18 Aug 2022. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 99 sites in Japan, United States, Argentina, Germany, Russia and 14 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 18 Aug 2022). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Change From Baseline in 24-hour Cough Count After 12 Weeks of Intervention (time frame: From baseline up to 12 weeks). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT04562155, which also lists 3 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 18 Aug 2022.