NCT01656668

Brief Summary

The purpose of this study is to investigate the effect of BC1036 (theobromine) on cough-related quality of life and cough severity following 2 weeks' treatment.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
288

participants targeted

Target at P50-P75 for phase_3

Timeline
Completed

Started Jul 2012

Shorter than P25 for phase_3

Geographic Reach
1 country

13 active sites

Status
completed

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

Study Start

First participant enrolled

July 1, 2012

Completed
26 days until next milestone

First Submitted

Initial submission to the registry

July 27, 2012

Completed
7 days until next milestone

First Posted

Study publicly available on registry

August 3, 2012

Completed
12 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2013

Completed
Last Updated

August 2, 2013

Status Verified

August 1, 2013

Enrollment Period

1.1 years

First QC Date

July 27, 2012

Last Update Submit

August 1, 2013

Conditions

Keywords

ChronicAcutePersistentLongtermCough

Outcome Measures

Primary Outcomes (1)

  • Leicester Cough Questionnaire (LCQ)

    Cough-related quality of life assessed using the Leicester Cough Questionnaire (LCQ). The baseline-adjusted total LCQ score at Day 14 will be used as the primary endpoint.

    Day 14

Secondary Outcomes (4)

  • Adapted 7-day Leicester Cough Questionnaire (LCQ)

    Day 7

  • Leicester Cough Questionnaire (LCQ)

    Day 28

  • Cough visual analogue scale (VAS)

    From screening to Day 28

  • Airway sensitivity using capsaicin challenge

    Day 0 and Day 14

Other Outcomes (1)

  • Pulmonary function tests

    From screening to day 28

Study Arms (2)

BC1036

EXPERIMENTAL

BC1036 300 mg capsule capsule by mouth, twice daily, for 14 days.

Drug: BC1036

Sugar Pill

PLACEBO COMPARATOR

Sugar placebo capsule by mouth, twice daily, for 14 days.

Interventions

BC1036DRUG
Also known as: Theobromine, CAS number 83-67-0, EV Substance code SUB15511MIG
BC1036

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Male or female aged 18 to 75 years.
  • Confirmed diagnosis of a persistent cough.
  • Leicester Cough Questionnaire score of ≤ 17 at baseline.
  • FEV ≥ 70% of predicted normal, at screening. See protocol Appendix 4 for formula for calculating predicted values.
  • Willing to use effective contraception for the duration of the study. Female subjects who are neither surgically sterilized nor post-menopausal (defined as no menses for one year or an FSH value \> 40 mIU/L) will be required to use two methods throughout the study and for 30 days after. Besides abstinence the following contraceptive methods are acceptable: hormonal (e.g. oral, injection, transdermal patch, implant, cervical ring), barrier (e.g. condom or diaphragm with spermicidal agent) or intrauterine device. If hormonal contraceptives are used they must be used from 6 weeks before the first administration of test product. Male subjects must agree to use condoms for the duration of the study and for 30 days after.
  • Willing and able to give informed consent and of complying with the trial assessments and any other trial procedures.

You may not qualify if:

  • Pregnant or lactating females.
  • Major surgery within the 30 days preceding the screening visit.
  • Any serious infections within the 30 days prior to the screening visit.
  • Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, uncontrolled diabetes, renal or hepatic disease or psychiatric illness/social situations that would limit compliance with study requirements.
  • Known hepatitis B or C or human immunodeficiency virus (HIV) or syphilis seropositivity.
  • A history of serious adverse allergic reaction to any medication.
  • Treatment with another investigational medicinal product within the 30 days prior to enrollment.
  • Treatment with:
  • Systemic oral steroids within 7 days prior to randomisation at Visit 2.
  • Theophylline and theophylline-like agents within 7 days prior to randomisation.
  • Opiates or opioids e.g. codeine, dextromethorphan, within 7 days prior to randomisation.
  • ACE inhibitors within one month prior to the screening visit.
  • Depot injection of corticosteroids within 6 weeks of the screening visit.
  • History suggestive of febrile illness within the last 7 days prior to the screening visit.
  • Subjects with significant sputum production (defined as more than 5 ml (\~one teaspoon)/day on any three days in the screening period).
  • +9 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (13)

Ormeau Road Health Centre

Belfast, BT7 2EB, United Kingdom

Location

The Queen's University of Belfast

Belfast, United Kingdom

Location

Castle Hill Hospital

Cottingham, HU16 5JQ, United Kingdom

Location

The Medical Centre

East Horsely, KT24 6QT, United Kingdom

Location

Sheepcot Medical Centre

Garston, Watford, WD25 0EA, United Kingdom

Location

Glenfield Hospital

Leicester, LE3 9QP, United Kingdom

Location

King's College Hospital

London, SE5 9RS, United Kingdom

Location

Royal Brompton Hospital

London, SW3 6LY, United Kingdom

Location

Mortimer Surgery

Mortimer, RG7 3SQ, United Kingdom

Location

Freeman Hospital

Newcastle upon Tyne, NE7 7DN, United Kingdom

Location

Ecclesfield Group Practice

Sheffield, S35 9XQ, United Kingdom

Location

Staploe Medical Centre

Soham, Ely, CB7 5JD, United Kingdom

Location

Albany House Medical Centre

Wellingborough, Northampton, NN8 4RW, United Kingdom

Location

Related Publications (1)

  • Morice AH, McGarvey L, Pavord ID, Higgins B, Chung KF, Birring SS. Theobromine for the treatment of persistent cough: a randomised, multicentre, double-blind, placebo-controlled clinical trial. J Thorac Dis. 2017 Jul;9(7):1864-1872. doi: 10.21037/jtd.2017.06.18.

MeSH Terms

Conditions

CoughBronchiolitis Obliterans Syndrome

Interventions

Theobromine

Condition Hierarchy (Ancestors)

Respiration DisordersRespiratory Tract DiseasesSigns and Symptoms, RespiratorySigns and SymptomsPathological Conditions, Signs and SymptomsOrganizing PneumoniaBronchiolitis ObliteransBronchiolitisBronchitisBronchial DiseasesLung Diseases, ObstructiveLung DiseasesGraft vs Host DiseaseImmune System Diseases

Intervention Hierarchy (Ancestors)

XanthinesAlkaloidsHeterocyclic CompoundsPurinonesPurinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Study Officials

  • Alyn Morice, BA(Hons) MB.B.Chir MA FRCP

    Castle Hill Hospital

    PRINCIPAL INVESTIGATOR
  • Fan Chung, MB, BS, MD, FRCP, DSc (PI)

    Royal Brompton & Harefield NHS Foundation Trust

    PRINCIPAL INVESTIGATOR
  • Warwick Coulson, BSc, MBBS, DipRCOG, MRCGP

    Albany House Medical Centre

    PRINCIPAL INVESTIGATOR
  • Alun George, MA MBBS, DRCOG, DCH, MRCGP

    Staploe Medical Centre

    PRINCIPAL INVESTIGATOR
  • Bernard Higgins, MB ChB, MRCP, MD

    Freeman Health System

    PRINCIPAL INVESTIGATOR
  • Alan Jackson, MB, BS

    Sheepcot Medical Centre

    PRINCIPAL INVESTIGATOR
  • Philip Marazzi, MB, BS

    The Medical Centre

    PRINCIPAL INVESTIGATOR
  • Ian Pavord, MB BS, MRCP, FRCP, DM

    Glenfield Hospital

    PRINCIPAL INVESTIGATOR
  • Surinder Birring, BSc,MBChB(Hons),MRCP,MD(PI)

    King's College Hospital NHS Trust

    PRINCIPAL INVESTIGATOR
  • Lorcan McGarvey, MBBCh,BAOHons,MRCP,MD,CCST(PI)

    The Queen's University of Belfast

    PRINCIPAL INVESTIGATOR
  • Richard Oliver, MB ChB, MRCGP

    Ecclesfield Group Practice

    PRINCIPAL INVESTIGATOR
  • Chris Strang, MB BS, D. Obst, RCOG M

    Mortimer Surgery

    PRINCIPAL INVESTIGATOR
  • Damien McNally, MB,BCh,BAO,DRCOG,DMH,MRCGP

    Ormeau Road Health Centre

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 27, 2012

First Posted

August 3, 2012

Study Start

July 1, 2012

Primary Completion

August 1, 2013

Study Completion

August 1, 2013

Last Updated

August 2, 2013

Record last verified: 2013-08

Locations