Intranasal SB-705498 in non-allergic rhinitis patients
Trial overview
Assessment of TSS after unilateral, incremental dose, intranasal challenge with capsaicin
Timeframe: 0-4 hours following dosing
Assessment of total Ipsilateral secretion’s weight after unilateral, incremental dose, intranasal challenge with capsaicin
Timeframe: 0 to 4 hours following dosing
Change from Baseline in peak nasal inspiratory flow (PNIF) after unilateral, incremental dose, intranasal challenge with capsaicin
Timeframe: Baseline (Day 1) and up to 4 hours
Assessment of total contralateral secretion’s weight after unilateral, incremental dose, intranasal challenge with capsaicin
Timeframe: 0 to 4 hours following dosing
Change from Baseline in individual symptoms as assessed by visual analogue scale (VAS) after unilateral, incremental dose, intranasal challenge with capsaicin
Timeframe: Baseline (Day 1) and up to 4 hours
Number of participants with individual symptoms as assessed by TSS components after unilateral, incremental dose, intranasal challenge with capsaicin
Timeframe: 50 min, 61 min, 65 min, 69 min, 81 min, 85 min, 89 min, 101 min, 105 min, 109 min, 121 min, 125 min, 129 min post-challenge
Soluble biochemical mediators, including but not limited to neuropeptides, in nasal secretions induced after unilateral, incremental dose, intranasal challenge with capsaicin
Timeframe: 0-4 hours following dosing
Intranasal, single dose SB-705498 plasma pharmacokinetic (PK) parameters- Maximum observed concentration (Cmax)
Timeframe: 30 min, 60 min, 120 min, 3 hours and 4 hours following dosing
Intranasal, single dose SB-705498 plasma PK parameters- Time of occurrence of Cmax (Tmax)
Timeframe: 30, 60, 120 minutes, 3 hours and 4 hours following dosing
Intranasal, single dose SB-705498 plasma PK parameters- Area under the plasma concentration-time curve to the last quantifiable concentration AUC(0-t)
Timeframe: 30 min, 60 min, 120 min, 3 hours and 4 hours following dosing
Systemic SB-705498 exposure - Pharmacodynamic (PD) response (symptom scores and nasal secretion’s weight) correlation
Timeframe: 0 to 4 hours following dosing
Number of participants with adverse events (AEs) and serious adverse events (SAEs)
Timeframe: Day 1
Number of participants with vital signs data outside range of potential clinical importance- Systolic blood pressure (SBP) and diastolic blood pressure (DBP)
Timeframe: Day 1
Number of participants with abnormal nasal examination data
Timeframe: Day 1
Number of participants with abnormal ECG findings
Timeframe: Day 1
Number of participants with abnormal hematology values- lymphocytes
Timeframe: Pre dose and 4 hours post dose
Number of participants with abnormal clinical chemistry values- carbon dioxide (CO2) content/bicarbonate, cholesterol, potassium, triglycerides, creatinine, gamma glutamyl transferase (GGT), lactate dehydrogenase (LDH)
Timeframe: Day 1
- NAR patients
- Male or female between 18 and 60 years of age inclusive.
- Past medical history of allergic rhinitis or rhinosinusitis.
- Nasal conditions likely to affect the outcome of the study, i.e. nasal septal perforation, nasal polyps, other nasal malformations.
- Male or female between 18 and 60 years of age inclusive.
- Non-child bearing women or women of child bearing potential if they agree to use contraception as indicated by the protocol
- Non-smoker for at least 6 months with a pack history <5 pack years (Pack years = (No. of cigarettes smoked/day/20) x No. of years smoked).
- Body weight > 50 kg and body mass index (BMI) within the range 19
- Capable of giving written informed consent.
- Available to complete all the required study measurements.
- Normal 12-lead ECG at screening.
- Subject must demonstrate reactivity to unilateral, intranasal challenge with the selected single dose of capsaicin, defined as development of TSS ≥ 3.
- Normal levels of total plasma IgG and negative allergy skin or Rast test to common aeorallergens.
- Good general health, apart from NAR, as determined by a responsible physician.
NAR patients
29.9 kg/m2 (inclusive).
- Nasal conditions likely to affect the outcome of the study, i.e. nasal septal perforation, nasal polyps, other nasal malformations.
- A history of gastrointestinal, hepatic, renal or multiple cardiovascular risk factors.
- Positive pre-study drug/alcohol screen.
- Positive pre-study Hepatitis B surface antigen or positive Hepatitis C antibody result within 3 months of screening.
- A positive test for human immunodeficiency virus (HIV) antibody (if determined by the local standard operating procedures (SOPs)).
- History of regular alcohol consumption within 6 months of the study.
- Exposure to more than four new chemical entities within 12 months prior to the start of the study.
- Participation in a clinical trial with a new molecule entity or any other clinical trial within 4 months of the start of the study.
- Use of prescription or non-prescription drugs, as well as of vitamins, herbal and dietary supplements (including St John's Wort) within 2 days prior to each study visit in Part 1 of the study or 14 days prior to the first treatment administration in Part 2 of the study.
- Inability to abstain from all intranasal or oral medication to treat nasal symptoms from the first capsaicin challenge to the completion of the study including: sodium cromoglycate, antihistamines, anticholinergics, alpha-adrenergic agonists and corticosteroids
- History of drug or other allergy that, in the opinion of the Investigator or GSK Medical Monitor, contraindicates their participation.
- Subjects demonstrating hypersensitivity to the placebo capsaicin challenge at baseline screening.
- Donation of blood or blood products in excess of 500mL within a 56 day period prior the start of Part 2 of this study.
- Pregnant females as determined by positive serum or urine human chorionic gonadotropin (hCG) test at screening or prior to dosing.
- Lactating females.
- Unwillingness or inability to follow the procedures outlined in the protocol.
- History of sensitivity to heparin or heparin-induced thrombocytopenia.
- Nicotine levels indicative of smoking or history or regular use of tobacco- or nicotine-containing products within 6 months prior to screening.
- For Part 2 only: Subjects with known lactose intolerance.
Past medical history of allergic rhinitis or rhinosinusitis.
Trial location(s)
Study documents
If you wish to request for full study report, please contact - [email protected]
Results overview
Results posted on ClinicalTrials.gov
Plain language summaries
Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.