Status:
COMPLETED
A Study of the Effect of 20 mg Ambroxol Hydrochloride on Acute Cough.
Lead Sponsor:
Hull University Teaching Hospitals NHS Trust
Collaborating Sponsors:
Sanofi
Conditions:
Cough
Eligibility:
All Genders
18-80 years
Phase:
PHASE2
Brief Summary
To assess the effect of a single doses of 20 mg ambroxol hydrochloride on cough reflex sensitivity to citric acid, capsaicin, adenosine triphosphate (ATP) and distilled water in patients with acute co...
Detailed Description
Cough is the 5th most common presenting complaint in adults. Cough results from the stimulation of two types of afferent pathways whose receptors are located within the airway epithelium. These includ...
Eligibility Criteria
Inclusion
- Be informed of the nature of the study and have provided written informed voluntary consent;
- Be able to speak, read, and understand English;
- Be males or females, of any race, between 18 and 80 years of age, inclusive;
- Subject has an acute cough and other symptoms consistent with a common cold or an acute upper respiratory tract infection (URTI) diagnosis deemed by the investigator based on findings from medical history review, full physical examination and vital signs;
- The onset of symptoms must be within 72 h of study enrolment;
- Have a Cough Severity VAS ≥ 40 mm at Screening;
- Be in good general health (other than URTI) with no clinically relevant abnormalities based on the medical history, physical examination, and 12 lead electrocardiogram;
- Cough at least twice to all cough challenge Agents - citric acid, capsaicin, ATP and distilled water cough challenges at baseline.
- If a female of child-bearing potential (i.e., have not undergone a hysterectomy or bilateral oophorectomy) or not post-menopausal (defined as no menses for at least 12 months), agree to use 2 forms of acceptable birth control from Screening through to the Follow Up Visit; or if a male, they and/or their partner of child-bearing potential agree to use 2 forms of acceptable birth control from Screening through the Follow Up Visit;
- Be able to communicate effectively with the Investigator and other study centre personnel and agree to comply with the study procedures and restrictions.
- \-
Exclusion
- History of asthma or other respiratory related disease
- Symptoms of runny nose, stuffy nose, sore throat, or sneezing due to any condition other than URTI or common cold (e.g., seasonal or perennial allergic rhinitis, sinusitis, strep throat, vasomotor rhinitis, etc.) as established by the investigator
- Clinical features of a complication of the common cold during the physical examination at screening (e.g., otitis media, sinusitis, or pneumonia) with or without the need for systemic antibiotics
- History of a severe cutaneous adverse reaction to any treatment;
- Evidence of a possible bacterial infection i.e. sinus pain, purulent nasal discharge or pleuritic pain.
- Evidence of chest infection or pneumonia
- Fever greater than 39ºC (102ºF oral temperature) at the time of screening if, in the judgment of the investigator, the individual is too ill to participate in the study or the fever is due to reasons other than URTI
- Demonstrate more than two coughs to inhalation of the normal saline solution during baseline challenge
- Current smoker or individuals who have given up smoking within the past 6 months or those with \>20 pack-year smoking history;
- Treatment with an ACE-inhibitor during the study or within 4 weeks prior to Screening
- History of opioid use within 1 week prior to baseline;
- Requiring concomitant therapy with prohibited medications
- History of known or suspected allergy or hypersensitivity reactions to ambroxol (e.g., asthma, urticaria or allergic type) or any of the non-medicinal ingredients contained in the study investigational product.
- Clinically significant abnormal electrocardiogram (ECG) at Screening;
- Personal or family history of congenital long QT syndrome or family history of sudden death;
- Pregnant or breastfeeding;
- Treatment with an investigational drug or biologic within 30 days preceding the first dose of study medication or plans to take another investigational drug or biologic within 30 days of study completion;
- Other severe, acute, or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with trial participation or investigational product administration or may interfere with the interpretation of trial results and, in the judgment of the Investigator or Sponsor, would make the subject inappropriate for entry into this trial -
Key Trial Info
Start Date :
February 15 2018
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
April 19 2018
Estimated Enrollment :
14 Patients enrolled
Trial Details
Trial ID
NCT03415269
Start Date
February 15 2018
End Date
April 19 2018
Last Update
June 20 2019
Active Locations (1)
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1
Castle Hill Hospital
Cottingham, East Yorkshire, United Kingdom, HU16 5JQ