NCT06504446

Brief Summary

This is a phase 2b, randomized, double-blind, placebo-controlled study investigating the efficacy, safety, and tolerability of Taplucainium Inhalation Powder (NOC-110) once daily in adults with refractory or unexplained chronic cough.

Trial Health

63
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
455

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Sep 2024

Geographic Reach
6 countries

107 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 11, 2024

Completed
5 days until next milestone

First Posted

Study publicly available on registry

July 16, 2024

Completed
2 months until next milestone

Study Start

First participant enrolled

September 24, 2024

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 10, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 10, 2026

Completed
Last Updated

February 17, 2026

Status Verified

November 1, 2025

Enrollment Period

1.5 years

First QC Date

July 11, 2024

Last Update Submit

February 13, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Change in 24-hour Coughs per hour from Baseline

    Change in 24-hour Coughs per hour from Baseline will be based on VitaloJAK® Cough Counts. The VitaloJAK® is a 510(k)-cleared medical device consisting of a digital sound recorder with 2 microphones; a lapel air microphone attached to the participant's clothing and an adhesive chest wall microphone which is attached to the skin at the top of the sternum.

    Baseline to End of Treatment

Secondary Outcomes (6)

  • Change in Awake coughs per hour from Baseline

    Baseline to End of Treatment

  • Change in the Cough Severity Visual Analog Scale from Baseline

    Baseline to End of Treatment

  • Change in the Urge to Cough Visual Analog Scale from Baseline

    Baseline to End of Treatment

  • Change in the Leicester Cough Questionnaire from Baseline

    Baseline to End of Treatment

  • Patient Global Impressions of Improvement score

    End of Treatment

  • +1 more secondary outcomes

Study Arms (4)

NOC-110 1mg

EXPERIMENTAL

NOC-110 (taplucainium) administered by daily dry powder inhalation. NOC-110 contains a dry powder lactose blend containing drug substance taplucainium administered using an available inhaler.

Drug: NOC-110

NOC-110 3mg

EXPERIMENTAL

NOC-110 (taplucainium) administered by daily dry powder inhalation. NOC-110 contains a dry powder lactose blend containing drug substance taplucainium administered using an available inhaler.

Drug: NOC-110

NOC-110 6mg

EXPERIMENTAL

NOC-110 (taplucainium) administered by daily dry powder inhalation. NOC-110 contains a dry powder lactose blend containing drug substance taplucainium administered using an available inhaler.

Drug: NOC-110

Placebo

PLACEBO COMPARATOR

The matching placebo contains inhalation grade lactose blended with arginine. The blend is taste masked to the active drug product to minimize unblinding due to taste differences. The matching placebo will be administered via the same inhaler.

Other: Placebo

Interventions

Inhalation powder

Also known as: taplucainium
NOC-110 1mgNOC-110 3mgNOC-110 6mg
PlaceboOTHER

Inhalation powder

Placebo

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Refractory or unexplained chronic cough for ≥ 12 months.
  • Women of childbearing potential agree to follow the protocol specified contraceptive - guidance during the study.
  • Males who are not vasectomized must agree to use the contraceptive methods defined in the protocol.
  • Able to provide Informed Consent.

You may not qualify if:

  • Previous exposure to taplucainium (formerly NTX-1175) or known allergy or hypersensitivity to taplucainium, its excipients/metabolites, or related compounds.
  • Participants who are currently participating in another drug or device clinical study
  • Participants who have participated in an Acute or Chronic Cough investigational study within 60 days before the start of the Screening.
  • Current diagnosis of chronic obstructive pulmonary disease, bronchiectasis, unexplained pulmonary fibrosis, hemoptysis, bronchial asthma, or other pulmonary disease.
  • Respiratory tract infection within 4 weeks of Screening or during screening period.
  • Any female who is pregnant or lactating or wishing to become pregnant.
  • Donation of \> 1 Unit (450 milliliter or more) of blood within 60 days prior to the first dosing.
  • Alcohol or drug use disorder within the past 2 years.
  • Current smoker/vaper or individuals who have given up smoking within the past 6 months of screening, and/or those with \>20 pack-year smoking history.
  • Current opiate/opioid use or medical history of opiate/opioid use disorder.
  • History of concurrent malignancy or recurrence of malignancy in the last 2 years.
  • Body Mass Index of ≥40 kg/m2.
  • Positive results for human immunodeficiency virus, hepatitis B, or hepatitis C virus.
  • Unable to refrain from the use of medications and treatments that can impact cough during the study.
  • Have clinically significant history or evidence of poorly controlled cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrine, neurological, immunological, or psychiatric disorder(s).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (107)

G & L Research, LLC

Foley, Alabama, 36535, United States

RECRUITING

Medical Research of Arizona

Scottsdale, Arizona, 85251, United States

RECRUITING

AMR Phoenix

Tempe, Arizona, 85281, United States

RECRUITING

Little Rock Allergy & Asthma, P.A. Clinical Research Center

Little Rock, Arkansas, 72205, United States

RECRUITING

So Cal Clinical Research

Huntington Beach, California, 92647, United States

RECRUITING

Allergy and Asthma Associates of Southern California dba Southern California Research

Laguna Niguel, California, 92677, United States

RECRUITING

Paradigm Clinical Research Centers, LLC - Modesto

Modesto, California, 95355, United States

RECRUITING

NewportNativeMD,Inc

Newport Beach, California, 92663, United States

RECRUITING

Center for Clinical Trials, LLC

Paramount, California, 90723, United States

RECRUITING

Paradigm Clinical Research Centers, LLC

Redding, California, 96001, United States

RECRUITING

DaVinci Research LLC.

Roseville, California, 95661, United States

RECRUITING

Allergy & Asthma Associates of Santa Clara Valley

San Jose, California, 95117, United States

RECRUITING

California Allergy & Asthma Medical Group Inc.

San Jose, California, 95117, United States

RECRUITING

Allergy, Asthma, and Immunology Medical Group

Ventura, California, 93003, United States

RECRUITING

Allergy and Asthma Clinical Research Inc

Walnut Creek, California, 94598, United States

RECRUITING

Lynn Institute of Denver

Aurora, Colorado, 80012, United States

RECRUITING

Innovative Research of West Florida, Inc.

Clearwater, Florida, 33756, United States

RECRUITING

Omega Research Debary, LLC

DeBary, Florida, 32713, United States

RECRUITING

Jacksonville Center for Clinical Research

Jacksonville, Florida, 32216, United States

RECRUITING

Clinical Site Partners, LLC Leesburg dba Flourish Research

Leesburg, Florida, 34748, United States

RECRUITING

Suncoast Research Group, LLC Miami - Little Havana dba Flourish Research

Miami, Florida, 33135, United States

RECRUITING

Well Pharma Medical Research Corporation

Miami, Florida, 33173, United States

RECRUITING

University of South Florida - PARENT

Tampa, Florida, 33613, United States

RECRUITING

Clinical Site Partners, LLC Orlando dba Flourish Research

Winter Park, Florida, 32789, United States

RECRUITING

Clinical Site Partners, LLC Orlando dba Flourish Research

Winter Park, Florida, 32789, United States

RECRUITING

Aeroallergy Research Laboratories of Savannah, Inc.

Savannah, Georgia, 31406, United States

RECRUITING

Duly Health and Care

Winfield, Illinois, 60190, United States

RECRUITING

Accellacare of McFarland Clinic

Ames, Iowa, 50010, United States

RECRUITING

The Iowa Clinic, PC

West Des Moines, Iowa, 50266, United States

RECRUITING

University of Kansas Medical Center

Kansas City, Kansas, 66160, United States

RECRUITING

Bluegrass Allergy Research

Lexington, Kentucky, 40509, United States

RECRUITING

Allergy & Asthma Specialists, PSC

Owensboro, Kentucky, 42301, United States

RECRUITING

Continental Clinical Solutions, LLC

Towson, Maryland, 21204, United States

RECRUITING

Infinity Medical Research Inc

Russells Mills, Massachusetts, 02747, United States

RECRUITING

Clinical Research Institute

Minneapolis, Minnesota, 55402, United States

RECRUITING

Mayo Clinic - Rochester

Rochester, Minnesota, 55905, United States

RECRUITING

The Curators of the University of Missouri on behalf of University of Missouri Health Care

Columbia, Missouri, 65212, United States

RECRUITING

Midwest Chest Consultants

Saint Charles, Missouri, 63301, United States

RECRUITING

Sundance Clinical Research

St Louis, Missouri, 63141, United States

TERMINATED

The Clinical Research Center, LLC

St Louis, Missouri, 63141, United States

RECRUITING

Montana Medical Research, Inc.

Missoula, Montana, 59808, United States

RECRUITING

AMR Las Vegas

Las Vegas, Nevada, 89119, United States

RECRUITING

Hackensack University Medical Center

Hackensack, New Jersey, 07601, United States

RECRUITING

Allergy Partners of New Jersey P C

Ocean City, New Jersey, 07712, United States

RECRUITING

The Valley Hospital

Paramus, New Jersey, 07652, United States

RECRUITING

St Josephs Physicians Med PC Pulmonary Health

Liverpool, New York, 13088, United States

RECRUITING

Equity Medical LLC

New York, New York, 10023, United States

RECRUITING

Allergy Partners Clinical Research

Asheville, North Carolina, 28803, United States

RECRUITING

Clinical Research of Gastonia

Gastonia, North Carolina, 28054, United States

RECRUITING

M3 Wake Research, Inc.

Raleigh, North Carolina, 27612, United States

RECRUITING

Accellacare

Winston-Salem, North Carolina, 27103, United States

RECRUITING

Southeastern Research Center LLC

Winston-Salem, North Carolina, 27103, United States

RECRUITING

Remington-Davis, Inc.

Columbus, Ohio, 43215, United States

TERMINATED

Lynn Health Science Institute

Oklahoma City, Oklahoma, 73112, United States

RECRUITING

Vital Prospects Clinical Research Institute, P.C.

Tulsa, Oklahoma, 74136, United States

RECRUITING

Northwest Research Center

Portland, Oregon, 97202, United States

RECRUITING

Suburban Research Associates

West Chester, Pennsylvania, 19380, United States

RECRUITING

Care Access Research - Warwick 1

Warwick, Rhode Island, 02886, United States

RECRUITING

Lowcountry Lung and Critical Care, P.A.

Charleston, South Carolina, 29406, United States

RECRUITING

Accellacare

Mt. Pleasant, South Carolina, 29464, United States

RECRUITING

Clinical Research of Rock Hill

Rock Hill, South Carolina, 29732, United States

RECRUITING

Internal Medicine and Pediatric Associates of Bristol, PC

Bristol, Tennessee, 37620, United States

RECRUITING

Accellacare d/b/a Accellacare of Knoxville

Knoxville, Tennessee, 37938, United States

RECRUITING

Pharmaceutical Research & Consulting, Inc.

Dallas, Texas, 75231, United States

RECRUITING

Houston Methodist Hospital

Houston, Texas, 77030, United States

RECRUITING

South Texas Allergy & Asthma Medical Professionals

San Antonio, Texas, 78229, United States

RECRUITING

Alamo ENT Associates

San Antonio, Texas, 78258, United States

RECRUITING

TPMG Clinical Research Williamsburg

Williamsburg, Virginia, 23188, United States

RECRUITING

Allergy, Asthma & Sinus Center, SC

Greenfield, Wisconsin, 53228, United States

RECRUITING

UZ Leuven

Leuven, 3000, Belgium

RECRUITING

AZ Sint-Maarten

Mechelen, 2800, Belgium

RECRUITING

Pneumocare

Namur, 5380, Belgium

RECRUITING

AZ Delta

Roeselare, 8800, Belgium

RECRUITING

Dynamic Drug Advancement

Ajax, Ontario, L1S 2J5, Canada

RECRUITING

BLC Clinical Research

Burlington, Ontario, L7N 3V2, Canada

RECRUITING

McMaster University

Hamilton, Ontario, L8N 3Z5, Canada

RECRUITING

Inspiration Research Limited

Toronto, Ontario, M5T 3A9, Canada

RECRUITING

Recherche GCP Research

Montreal, Quebec, H1Y 3H5, Canada

RECRUITING

DIEX Recherche Quebec Inc.

Québec, Quebec, G1V 4T3, Canada

RECRUITING

Clinique Specialisee en Allergie de la Capitale

Québec, Quebec, G1V 4W2, Canada

RECRUITING

Clinique de pneumologie et du sommeil de Lanaudière

Saint-Charles-Borromée, Quebec, J6E 2B4, Canada

TERMINATED

DIEX Recherche Sherbrooke Inc.

Sherbrooke, Quebec, J1L 0H8, Canada

RECRUITING

DIEX Recherche Victoriaville Inc.

Victoriaville, Quebec, G6P 3Z8, Canada

RECRUITING

Pneumologisches Studienzentrum Muenchen West

Munich, Bavaria, 81241, Germany

RECRUITING

Lungenzentrum Darmstadt

Darmstadt, Hesse, 64283, Germany

RECRUITING

Medaimun GmbH

Frankfurt am Main, Hesse, 60596, Germany

RECRUITING

Zentrum fuer ambulante pneumologische Forschung Marburg GbR

Marburg, Hesse, 35037, Germany

RECRUITING

Pneumologicum Halle

Halle, Saxony-Anhalt, 06108, Germany

RECRUITING

Pneumologisches Forschungsinstitut Hohegeest GbR

Geesthacht, Schleswig-Holstein, Germany

RECRUITING

Velocity Research Germany GmbH

Lübeck, Schleswig-Holstein, 23552, Germany

RECRUITING

Pneumologisches Studienzentrum MVZ "Die Lungenärzte"

Berlin, State of Berlin, 10961, Germany

RECRUITING

Prywatny Gabinet Internistyczno-Alergologiczny

Bialystok, 15-010, Poland

RECRUITING

Prywatna Praktyka Lekarska Gabinet Pediatryczno-Alergologiczny

Bialystok, 15-430, Poland

RECRUITING

Centrum Medyczne Pratia Bydgoszcz

Bydgoszcz, 85-796, Poland

RECRUITING

Centrum Medyczne Pratia Czestochowa

Częstochowa, 42-217, Poland

RECRUITING

Ostrowieckie Centrum Medyczne spółka cywilna Anna Olech-Cudzik, Krzysztof Cudzik

Ostrowiec Świętokrzyski, 27-400, Poland

RECRUITING

Centrum Medyczne Lucyna Andrzej Dymek s.c.

Strzelce Opolskie, 47-100, Poland

RECRUITING

Gabinet Pulmonologii i Diagnostyki Chorób Alergicznych Dorota Maria Małosek

Szczecin, 70-1111, Poland

RECRUITING

Alergo-Med Specjalistyczna Przychodnia Lekarska Sp. Z .O.O.

Tarnów, 33-100, Poland

RECRUITING

Ormeau Clinical Trials Ltd

Belfast, Belfast, BT2 8BG, United Kingdom

RECRUITING

Belfast City Hospital

Belfast, Belfast, BT9 7AB, United Kingdom

RECRUITING

West Walk Surgery

Bristol, Bristol, BS374AX, United Kingdom

RECRUITING

Castle Hill Hospital

Cottingham, East Riding of Yorkshire, HU16 5JQ, United Kingdom

RECRUITING

King's College Hospital

London, Greater London, SE5 9RS, United Kingdom

RECRUITING

Wythenshawe Hospital

Wythenshawe, Greater Manchester, M23 9LT, United Kingdom

RECRUITING

Nottingham City Hospital

Nottingham, Nottinghamshire, NG56EG, United Kingdom

RECRUITING

North Tyneside General Hospital

North Shields, Tyne & Wear, NE29 8NH, United Kingdom

RECRUITING

Study Officials

  • Matthew Frankel, MD

    Chief Medical Officer Nocion Therapeutics, Inc.

    STUDY DIRECTOR

Central Study Contacts

Nocion Clinical Trials

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
SEQUENTIAL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 11, 2024

First Posted

July 16, 2024

Study Start

September 24, 2024

Primary Completion

April 10, 2026

Study Completion

April 10, 2026

Last Updated

February 17, 2026

Record last verified: 2025-11

Locations