CLINICAL PHARMACOLOGY
Mechanism Of Action
Fluticasone furoate is a synthetic trifluorinated
corticosteroid with potent anti-inflammatory activity. The precise mechanism
through which fluticasone furoate affects rhinitis symptoms is not known.
Corticosteroids have been shown to have a wide range of actions on multiple
cell types (e.g., mast cells, eosinophils, neutrophils, macrophages,
lymphocytes) and mediators (e.g., histamine, eicosanoids, leukotrienes,
cytokines) involved in inflammation. Specific effects of fluticasone furoate
demonstrated in in vitro and in vivo models included activation of the
glucocorticoid response element, inhibition of pro-inflammatory transcription
factors such as NFkB, and inhibition of antigen-induced lung eosinophilia in
sensitized rats.
Fluticasone furoate has been shown in vitro to exhibit a
binding affinity for the human glucocorticoid receptor that is approximately
29.9 times that of dexamethasone and 1.7 times that of fluticasone propionate.
The clinical relevance of these findings is unknown.
Pharmacodynamics
Adrenal Function
The effects of VERAMYST Nasal Spray on adrenal function
have been evaluated in 4 controlled clinical trials in patients with perennial
allergic rhinitis. Two 6-week clinical trials were designed specifically to
assess the effect of VERAMYST Nasal Spray on the HPA axis with assessments of
both 24-hour urinary cortisol excretion and serum cortisol levels in domiciled
patients. In addition, one 52-week safety trial and one 12-week safety and
efficacy trial included assessments of 24-hour urinary cortisol excretion.
Details of the trials and results are described below. In all 4 trials, since
serum fluticasone determinations were generally below the limit of
quantification, compliance was assured by efficacy assessments.
Clinical Trials Specifically Designed to Assess
Hypothalamic-Pituitary-Adrenal Axis Effect: In a 6-week randomized,
double-blind, parallel-group trial in adult and adolescent patients aged 12
years and older with perennial allergic rhinitis, VERAMYST Nasal Spray 110 mcg
was compared with both placebo nasal spray and prednisone as a positive-control
group that received prednisone 10 mg orally once daily for the final 7 days of
the treatment period. Adrenal function was assessed by 24-hour urinary cortisol
excretion before and after 6 weeks of treatment and by serial serum cortisol
levels. Patients were domiciled for collection of 24-hour urinary cortisol.
After 6 weeks of treatment, there was a change from baseline in the mean
24-hour urinary cortisol excretion in the group treated with VERAMYST Nasal
Spray (n = 43) of -1.16 mcg/day compared with -3.48 mcg/day in the placebo
group (n = 42). The difference from placebo in the group treated with VERAMYST
Nasal Spray was 2.32 mcg/day (95% CI: -6.76, 11.39). Urinary cortisol data were
not available for the positive-control (prednisone) treatment group. For serum
cortisol levels, after 6 weeks of treatment there was a change from baseline in
the mean (0-24 hours) of -0.38 and 0.08 mcg/dL for the group treated with
VERAMYST Nasal Spray (n = 43) and the placebo group (n = 44), respectively,
with a difference between the group treated with VERAMYST Nasal Spray and the
placebo group of 0.47 mcg/dL (95% CI: -1.31, 0.37). For comparison, in the
positive-control (prednisone, n = 12) treatment group, there was a change in
mean serum cortisol (0-24 hours) from baseline of -4.49 mcg/dL with a
difference between the prednisone and placebo group of -4.57 mcg/dL (95% CI:
-5.83, -3.31).
The second 6-week trial conducted in children aged 2 to
11 years was of similar design to the adult trial, including adrenal function
assessments, but did not include a prednisone positive-control arm. Patients
were treated once daily with VERAMYST Nasal Spray 110 mcg or placebo nasal
spray. After 6 weeks of treatment, there was a change in the mean 24-hour
urinary cortisol excretion in the group treated with VERAMYST Nasal Spray (n =
43) of 0.49 mcg/day compared with 1.92 mcg/day in the placebo group (n = 41),
with a difference between the group treated with VERAMYST Nasal Spray and the
placebo group of -1.43 mcg/day (95% CI: -5.21, 2.35). For serum cortisol
levels, after 6 weeks, there was a change from baseline in mean (0-24 hours) of
-0.34 and -0.23 mcg/dL for the group treated with VERAMYST Nasal Spray (n = 48)
and for the placebo group (n = 47), respectively, with a difference between the
group treated with VERAMYST Nasal Spray and the placebo group of -0.11 mcg/dL
(95% CI: -0.88, 0.66).
Additional Hypothalamic-Pituitary-Adrenal Axis
Assessments
In the 52-week safety trial in adolescents and adults
aged 12 years and older with perennial allergic rhinitis, VERAMYST Nasal Spray
110 mcg (n = 605) was compared with placebo nasal spray (n = 201). Adrenal
function was assessed by 24-hour urinary cortisol excretion in a subset of
patients who received VERAMYST Nasal Spray (n = 370) or placebo (n = 120)
before and after 52 weeks of treatment. After 52 weeks of treatment, the mean
change from baseline 24hour urinary cortisol excretion was 5.84 mcg/day in the
group treated with VERAMYST Nasal Spray and 3.34 mcg/day in the placebo group.
The difference from placebo in mean change from baseline 24-hour urinary
cortisol excretion was 2.50 mcg/day (95% CI: -5.49, 10.49).
In the 12-week safety and efficacy trial in children aged
2 to 11 years with perennial allergic rhinitis, VERAMYST Nasal Spray 55 mcg (n
= 185) and VERAMYST Nasal Spray 110 mcg (n = 185) were compared with placebo
nasal spray (n = 188). Adrenal function was assessed by measurement of 24-hour
urinary free cortisol in a subset of patients who were aged 6 to 11 years (103
to 109 patients per group) before and after 12 weeks of treatment. After 12
weeks of treatment, there was a decrease in mean 24-hour urinary cortisol
excretion from baseline in the group treated with VERAMYST Nasal Spray 55 mcg
(n = 109) of -2.93 mcg/day and in the group treated with VERAMYST Nasal Spray
110 mcg (n = 103) of -2.07 mcg/day compared with an increase in the placebo
group (n = 107) of 0.08 mcg/day. The difference from placebo in mean change
from baseline in 24-hour urinary cortisol excretion for the group treated with
VERAMYST Nasal Spray 55 mcg was -3.01 mcg/day (95% CI: -6.16, 0.13) and -2.14
mcg/day (95% CI: -5.33, 1.04) for the group treated with VERAMYST Nasal Spray
110 mcg.
When the results of the HPA axis assessments described
above are taken as a whole, an effect of intranasal fluticasone furoate on
adrenal function cannot be ruled out, especially in pediatric patients.
Cardiac Effects
A QT/QTc trial did not demonstrate an effect of
fluticasone furoate administration on the QTc interval. The effect of a single
dose of 4,000 mcg of orally inhaled fluticasone furoate on the QTc interval was
evaluated over 24 hours in 40 healthy male and female subjects in a placebo-and
positive-controlled (a single dose of 400 mg oral moxifloxacin) cross-over
trial. The QTcF maximal mean change from baseline following fluticasone furoate
was similar to that observed with placebo with a treatment difference of 0.788
msec (90% CI: -1.802, 3.378). In contrast, moxifloxacin given as a 400-mg
tablet resulted in prolongation of the QTcF maximal mean change from baseline
compared with placebo with a treatment difference of 9.929 msec (90% CI: 7.339,
12.520). While a single dose of fluticasone furoate had no effect on the QTc
interval, the effects of fluticasone furoate may not be at steady state
following single dose. The effect of fluticasone furoate on the QTc interval
following multiple-dose administration is unknown.
Pharmacokinetics
Absorption
Following intranasal administration of fluticasone
furoate, most of the dose is eventually swallowed and undergoes incomplete
absorption and extensive first-pass metabolism in the liver and gut, resulting
in negligible systemic exposure. At the highest recommended intranasal dosage
of 110 mcg once daily for up to 12 months in adults and up to 12 weeks in
children, plasma concentrations of fluticasone furoate are typically not
quantifiable despite the use of a sensitive HPLC-MS/MS assay with a lower limit
of quantification (LOQ) of 10 pg/mL. However, in a few isolated cases
( < 0.3%) fluticasone furoate was detected in high concentrations above 500
pg/mL, and in a single case the concentration was as high as 1,430 pg/mL in the
52week trial. There was no relationship between these concentrations and
cortisol levels in these subjects. The reasons for these high concentrations
are unknown.
Absolute bioavailability was evaluated in 16 male and
female subjects following supratherapeutic dosages of fluticasone furoate (880
mcg given intranasally at 8-hour intervals for 10 doses, or 2,640 mcg/day). The
average absolute bioavailability was 0.50% (90% CI: 0.34%, 0.74%).
Due to the low bioavailability by the intranasal route,
the majority of the pharmacokinetic data was obtained via other routes of
administration. Trials using oral solution and intravenous dosing of
radiolabeled drug have demonstrated that at least 30% of fluticasone furoate is
absorbed and then rapidly cleared from plasma. Oral bioavailability is on
average 1.26%, and the majority of the circulating radioactivity is due to
inactive metabolites.
Distribution
Following intravenous administration, the mean volume of
distribution at steady state is 608 L. Binding of fluticasone furoate to human
plasma proteins is greater than 99%.
Metabolism
In vivo studies have revealed no evidence of cleavage of
the furoate moiety to form fluticasone. Fluticasone furoate is cleared (total
plasma clearance of 58.7 L/h) from systemic circulation principally by hepatic
metabolism via CYP3A4. The principal route of metabolism is hydrolysis of the
S-fluoromethyl carbothioate function to form the inactive 17β-carboxylic
acid metabolite.
Elimination
Fluticasone furoate and its metabolites are eliminated
primarily in the feces, accounting for approximately 101% and 90% of the orally
and intravenously administered dose, respectively. Urinary excretion accounted
for approximately 1% and 2% of the orally and intravenously administered dose,
respectively. The elimination phase half-life averaged 15.1 hours following
intravenous administration.
Population Pharmacokinetics
Fluticasone furoate is typically not quantifiable in
plasma following intranasal dosing of 110 mcg once daily with the exception of
isolated cases of very high plasma levels (see Absorption). Overall,
quantifiable levels ( > 10 pg/mL) were observed in < 31% of patients aged 12
years and older and in < 16% of children (aged 2 to 11 years) following
intranasal dosing of 110 mcg once daily and in < 7% of children following
intranasal dosing of 55 mcg once daily. There was no evidence to suggest that
the presence or absence of detectable levels of fluticasone furoate was related
to gender, age, or race.
Hepatic Impairment
The pharmacokinetics of fluticasone furoate following
intranasal administration in subjects with hepatic impairment have not been
evaluated. Data available with orally inhaled fluticasone furoate/vilanterol
are applicable to intranasal dosing of fluticasone furoate. Following repeat
dosing of orally inhaled fluticasone furoate/vilanterol 200 mcg/25 mcg (100
mcg/12.5 mcg in the severe impairment group) for 7 days, fluticasone furoate
systemic exposure (AUC) increased 34%, 83%, and 75% in subjects with mild,
moderate, and severe hepatic impairment, respectively, compared with healthy
subjects.
In subjects with moderate hepatic impairment receiving
fluticasone furoate/vilanterol 200 mcg/25 mcg, mean serum cortisol (0 to 24
hours) was reduced by 34% (90% CI: 11%, 51%) compared with healthy subjects. In
subjects with severe hepatic impairment receiving fluticasone
furoate/vilanterol 100 mcg/12.5 mcg, mean serum cortisol (0 to 24 hours) was
increased by 14% (90% CI: -16%, 55%) compared with healthy subjects [see Use
in Specific Populations].
Renal Impairment
Fluticasone furoate is not detectable in urine from
healthy subjects following intranasal dosing. Less than 1% of dose-related
material is excreted in urine [see Use in Specific Populations].
Clinical Studies
Seasonal And Perennial Allergic Rhinitis
Adult and Adolescent Patients Aged 12 Years and Older
The efficacy and safety of VERAMYST Nasal Spray was
evaluated in 5 randomized, double-blind, parallel-group, multicenter,
placebo-controlled clinical trials of 2 to 4 weeks' duration in adult and
adolescent patients aged 12 years and older with symptoms of seasonal or
perennial allergic rhinitis. The 5 clinical trials included one 2-week
dose-ranging trial in patients with seasonal allergic rhinitis, three 2-week
confirmatory efficacy trials in patients with seasonal allergic rhinitis, and
one 4-week efficacy trial in patients with perennial allergic rhinitis. These
trials included 1,829 patients (697 males and 1,132 females). About 75% of
patients were Caucasian, and the mean age was 36 years. Of these patients, 722
received VERAMYST Nasal Spray 110 mcg once daily administered as 2 sprays in
each nostril.
Assessment of efficacy was based on total nasal symptom
score (TNSS). TNSS is calculated as the sum of the patients' scoring of the 4
individual nasal symptoms (rhinorrhea, nasal congestion, sneezing, and nasal
itching) on a 0 to 3 categorical severity scale (0 = absent, 1 = mild, 2 =
moderate, 3 = severe) as reflective (rTNSS) or instantaneous (iTNSS). rTNSS
required the patients to record symptom severity over the previous 12 hours;
iTNSS required patients to record symptom severity at the time immediately
prior to the next dose. Morning and evening rTNSS scores were averaged over the
treatment period and the difference from placebo in the change from baseline
rTNSS was the primary efficacy endpoint. The morning iTNSS (AM iTNSS) reflects
the TNSS at the end of the 24-hour dosing interval and is an indication of
whether the effect was maintained over the 24-hour dosing interval.
Additional secondary efficacy variables were assessed,
including the total ocular symptom score (TOSS) and the Rhinoconjunctivitis
Quality of Life Questionnaire (RQLQ). TOSS is calculated as the sum of the
patients' scoring of the 3 individual ocular symptoms (itching/burning, tearing/watering,
and redness) on a 0 to 3 categorical severity scale (0 = absent, 1 = mild, 2 =
moderate, 3 = severe) as reflective (rTOSS) or instantaneous scores (iTOSS). To
assess efficacy, rTOSS and AM iTOSS were evaluated as described above for the
TNSS. Patients' perceptions of disease-specific quality of life were evaluated
through use of the RQLQ, which assesses the impact of allergic rhinitis
treatment through 28 items in 7 domains (activities, sleep, non-nose/eye
symptoms, practical problems, nasal symptoms, eye symptoms, and emotional) on a
7-point scale where 0 = no impairment and 6 = maximum impairment. An overall
RQLQ score is calculated from the mean of all items in the instrument. An
absolute difference of ≥ 0.5 in mean change from baseline over placebo is
considered the minimally important difference (MID) for the RQLQ.
Dose-ranging Trial: The dose-ranging trial was a 2-week
trial that evaluated the efficacy of 4 dosages of fluticasone furoate nasal
spray (440, 220, 110, and 55 mcg) in patients with seasonal allergic rhinitis.
In this trial, each of the 4 dosages of fluticasone furoate nasal spray
demonstrated greater decreases in the rTNSS than placebo, and the difference
was statistically significant (Table 3).
Table 3: Mean Change from Baseline in Reflective Total
Nasal Symptom Score over 2 Weeks in Patients with Seasonal Allergic Rhinitis
Treatment |
n |
Baseline (AM + PM) |
Change from Baseline |
Difference from Placebo |
LS Mean |
95% CI |
P Value |
Fluticasone furoate 440 mcg |
130 |
9.6 |
-4.02 |
-2.19 |
-2.75, -1.62 |
< 0.001 |
Fluticasone furoate 220 mcg |
129 |
9.5 |
-3.19 |
-1.36 |
-1.93,-0.79 |
< 0.001 |
Fluticasone furoate 110 mcg |
127 |
9.5 |
-3.84 |
-2.01 |
-2.58, -1.44 |
< 0.001 |
Fluticasone furoate 55 mcg |
125 |
9.6 |
-3.50 |
-1.68 |
-2.25, -1.10 |
< 0.001 |
Placebo |
128 |
9.6 |
-1.83 |
|
|
|
Each of the 4 dosages of
fluticasone furoate nasal spray also demonstrated greater decreases in the AM
iTNSS than placebo, and the difference between each of the 4 fluticasone
furoate treatment groups and placebo was statistically significant, indicating
that the effect was maintained over the 24-hour dosing interval.
Seasonal Allergic Rhinitis
Trials: Three
clinical trials were designed to evaluate the efficacy of VERAMYST Nasal Spray
110 mcg once daily compared with placebo in patients with seasonal allergic
rhinitis over a 2-week treatment period. In all 3 trials, VERAMYST Nasal Spray
110 mcg demonstrated a greater decrease from baseline in the rTNSS and AM iTNSS
than placebo, and the difference from placebo was statistically significant. In
terms of ocular symptoms, in all 3 seasonal allergic rhinitis trials, VERAMYST
Nasal Spray 110 mcg demonstrated a greater decrease from baseline in the rTOSS
than placebo and the difference from placebo was statistically significant. For
the RQLQ in all 3 seasonal allergic rhinitis trials, VERAMYST Nasal Spray 110
mcg demonstrated greater decrease from baseline in the overall RQLQ than
placebo, and the difference from placebo was statistically significant. The
difference in the overall RQLQ score mean change from baseline between the
groups treated with VERAMYST Nasal Spray and placebo ranged from -0.60 to -0.70
in the 3 trials, meeting the minimally important difference criterion. Table 4
displays the efficacy results from a representative trial in patients with
seasonal allergic rhinitis.
Perennial Allergic Rhinitis
Trials: One
clinical trial was designed to evaluate the efficacy of VERAMYST Nasal Spray
110 mcg once daily compared with placebo in patients with perennial allergic
rhinitis over a 4-week treatment period. VERAMYST Nasal Spray 110 mcg
demonstrated a greater decrease from baseline in the rTNSS and AM iTNSS than
placebo, and the difference from placebo was statistically significant. Similar
to patients with seasonal allergic rhinitis, the improvement of nasal symptoms
with VERAMYST Nasal Spray in patients with perennial allergic rhinitis
persisted for a full 24 hours, as evaluated by AM iTNSS immediately prior to
the next dose. However, unlike the trials in patients with seasonal allergic
rhinitis, patients with perennial allergic rhinitis who were treated with
VERAMYST Nasal Spray 110 mcg did not demonstrate statistically significant
improvement from baseline in rTOSS or in disease-specific quality of life as
measured by the RQLQ compared with placebo. In addition, the overall RQLQ score
mean change from baseline difference between the group treated with VERAMYST
Nasal Spray and the placebo group was -0.23, which did not meet the minimally
important difference of ≥ 0.5. Table 4 displays the efficacy results from
the clinical trial in patients with perennial allergic rhinitis.
Table 4: Mean Changes in Efficacy Variables in Adult
and Adolescent Patients with Seasonal or Perennial Allergic Rhinitis
Treatment |
n |
Baseline |
Change from Baseline -LS Mean |
Difference from Placebo |
LS Mean |
95% CI |
P Value |
Reflective Total Nasal Symptom Scores |
Seasonal allergic rhinitis trial |
Fluticasone furoate 110 mcg |
151 |
9.6 |
-3.55 |
-1.47 |
-2.01, -0.94 |
< 0.001 |
Placebo |
147 |
9.9 |
-2.07 |
|
|
|
Perennial allergic rhinitis trial |
Fluticasone furoate 110 mcg |
149 |
8.6 |
-2.78 |
-0.71 |
-1.20, -0.21 |
0.005 |
Placebo |
153 |
8.7 |
-2.08 |
|
|
|
Instantaneous Total Nasal Symptom Scores |
Seasonal allergic rhinitis trial |
Fluticasone furoate 110 mcg |
151 |
9.4 |
-2.90 |
-1.38 |
-1.90, -0.85 |
< 0.001 |
Placebo |
147 |
9.3 |
-1.53 |
|
|
|
Perennial allergic rhinitis trial |
Fluticasone furoate 110 mcg |
149 |
8.2 |
-2.45 |
-0.71 |
-1.20, -0.21 |
0.006 |
Placebo |
153 |
8.3 |
-1.75 |
|
|
|
Reflective Total Ocular Symptom Scores |
Seasonal allergic rhinitis trial |
Fluticasone furoate 110 mcg |
151 |
6.6 |
-2.23 |
-0.60 |
-1.01, -0.19 |
0.004 |
Placebo |
147 |
6.5 |
-1.63 |
|
|
|
Perennial allergic rhinitis trial |
Fluticasone furoate 110 mcg |
149 |
4.8 |
-1.39 |
-0.15 |
-0.52, 0.22 |
0.428 |
Placebo |
153 |
5.0 |
-1.24 |
|
|
|
Rhinoconjunctivitis Quality of Life Questionnaire |
Seasonal allergic rhinitis trial |
Fluticasone furoate 110 mcg |
144 |
3.9 |
-1.77 |
-0.60 |
-0.93, -0.28 |
< 0.001 |
Placebo |
144 |
3.9 |
-1.16 |
|
|
|
Perennial allergic rhinitis trial |
Fluticasone furoate 110 mcg |
143 |
3.5 |
-1.41 |
-0.23 |
-0.59, 0.13 |
0.214 |
Placebo |
151 |
3.4 |
-1.18 |
|
|
|
Onset of action was evaluated
by frequent instantaneous TNSS assessments after the first dose in the clinical
trials in patients with seasonal allergic rhinitis and perennial allergic
rhinitis. Onset of action was generally observed within 24 hours in patients
with seasonal allergic rhinitis. In patients with perennial rhinitis, onset of
action was observed after 4 days of treatment. Continued improvement in
symptoms was observed over approximately 1 and 3 weeks in patients with
seasonal or perennial allergic rhinitis, respectively.
Pediatric Patients Aged 2 to 11
Years
The efficacy and safety of
VERAMYST Nasal Spray were evaluated in 1,112 children (633 boys and 479 girls),
mean age of 8 years with seasonal or perennial allergic rhinitis in 2
controlled clinical trials. The pediatric patients were treated with VERAMYST
Nasal Spray 55 or 110 mcg once daily for 2 to 12 weeks (n = 369 for each dose).
The trials were similar in design to the trials conducted in adolescents and
adults; however, the efficacy determination was made from patient-or
parent/guardian-reported TNSS for children aged 6 to < 12 years. Children
treated with VERAMYST Nasal Spray generally exhibited greater decreases in
nasal symptoms than placebo-treated patients. In seasonal allergic rhinitis,
the difference in rTNSS was statistically significant only for the 110-mcg
dose. In perennial allergic rhinitis, the difference in rTNSS was statistically
significant only for the 55-mcg dose. Changes in rTOSS in the seasonal allergic
rhinitis trial were not statistically significant compared with placebo for
either dose. rTOSS was not assessed in the perennial allergic rhinitis trial.
Table 5 displays the efficacy results from the clinical trials in patients with
perennial allergic rhinitis and seasonal allergic rhinitis in children aged 6
to < 12 years. Efficacy in children aged 2 to < 6 years was supported by a
numerical decrease in the rTNSS.
Table 5: Mean Changes in Efficacy Variables in
Pediatric Patients Aged 6 to < 12 Years with Seasonal or Perennial Allergic
Rhinitis
Treatment |
n |
Baseline |
Change from Baseline -LS Mean |
Difference from Placebo |
LS Mean |
95% CI |
P Value |
Reflective Total Nasal Symptom Scores |
Seasonal allergic rhinitis trial |
Fluticasone furoate 55 mcg |
151 |
8.6 |
-2.71 |
-0.16 |
-0.69, 0.37 |
0.553 |
Fluticasone furoate 110 mcg |
146 |
8.5 |
-3.16 |
-0.62 |
-1.15, -0.08 |
0.025 |
Placebo |
149 |
8.4 |
-2.54 |
|
|
|
Perennial allergic rhinitis trial |
Fluticasone furoate 55 mcg |
144 |
8.5 |
-4.16 |
-0.75 |
-1.24, -0.27 |
0.003 |
Fluticasone furoate 110 mcg |
140 |
8.6 |
-3.86 |
-0.45 |
-0.95, 0.04 |
0.073 |
Placebo |
147 |
8.5 |
-3.41 |
|
|
|
Instantaneous Total Nasal Symptom Scores |
Seasonal allergic rhinitis trial |
Fluticasone furoate 55 mcg |
151 |
8.4 |
-2.37 |
-0.23 |
-0.77, 0.30 |
0.389 |
Fluticasone furoate 110 mcg |
146 |
8.3 |
-2.80 |
-0.67 |
-1.21, -0.13 |
0.015 |
Placebo |
149 |
8.4 |
-2.13 |
|
|
|
Perennial allergic rhinitis trial |
Fluticasone furoate 55 mcg |
144 |
8.3 |
-3.62 |
-0.75 |
-1.24, -0.27 |
0.002 |
Fluticasone furoate 110 mcg |
140 |
8.3 |
-3.52 |
-0.65 |
-1.14, -0.16 |
0.009 |
Placebo |
147 |
8.3 |
-2.87 |
|
|
|
Reflective Total Ocular Symptom Scores |
Seasonal allergic rhinitis trial |
Fluticasone furoate 55 mcg |
151 |
4.4 |
-1.26 |
0.04 |
-0.33, 0.41 |
0.826 |
Fluticasone furoate 110 mcg |
146 |
4.1 |
-1.45 |
-0.15 |
-0.52, 0.22 |
0.426 |
Placebo |
149 |
3.8 |
-1.30 |
|
|
|