Trial Outcomes & Findings for Staccato Loxapine Pulmonary Safety in Healthy Volunteers (NCT NCT00789360)

NCT ID: NCT00789360

Last Updated: 2019-03-11

Results Overview

The largest treatment difference (Loxapine - Placebo) across the 17 post-treatment time points (15 min to 32 hr) in FEV1 Change from Same-Period Baseline,

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

30 participants

Primary outcome timeframe

17 post-treatment time points (15 min to 32 hr)

Results posted on

2019-03-11

Participant Flow

Each investigator obtained approval from their IRB for their advertisements and other subject recruitment procedures

At screening and before administration of Dose 1 in each treatment period, the following were confirmed: forced expiratory volume in 1 second (FEV1) ≥85% of predicted, forced vital capacity (FVC) ≥85% of predicted, and oxygen saturation by pulse oximetry (SpO2) ≥95% on room air.

Participant milestones

Participant milestones
Measure
Inhaled Placebo / Loxapine
Inhaled Staccato Placebo, 2 inhalations, 8 hours apart followed by Inhaled Staccato Loxapine, 10 mg doses x 2, 8 hours apart
Inhaled Loxapine / Placebo
Inhaled Staccato Loxapine, 10 mg oses x 2, 8 hours apart followed by Inhaled Staccato Placebo, 2 inhalations, 8 hours apart
Overall Study
STARTED
15
15
Overall Study
COMPLETED
12
14
Overall Study
NOT COMPLETED
3
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Inhaled Placebo / Loxapine
Inhaled Staccato Placebo, 2 inhalations, 8 hours apart followed by Inhaled Staccato Loxapine, 10 mg doses x 2, 8 hours apart
Inhaled Loxapine / Placebo
Inhaled Staccato Loxapine, 10 mg oses x 2, 8 hours apart followed by Inhaled Staccato Placebo, 2 inhalations, 8 hours apart
Overall Study
Protocol Violation
3
1

Baseline Characteristics

Staccato Loxapine Pulmonary Safety in Healthy Volunteers

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Inhaled Placebo / Loxapine
n=15 Participants
Inhaled Staccato Placebo, 2 inhalations, 8 hours apart followed by Inhaled Staccato Loxapine, 10 mg doses x 2, 8 hours apart
Inhaled Loxapine / Placebo
n=15 Participants
Inhaled Staccato Loxapine, 10 mg oses x 2, 8 hours apart followed by Inhaled Staccato Placebo, 2 inhalations, 8 hours apart
Total
n=30 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
15 Participants
n=5 Participants
15 Participants
n=7 Participants
30 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Continuous
31.4 years
STANDARD_DEVIATION 13.65 • n=5 Participants
28.7 years
STANDARD_DEVIATION 9.75 • n=7 Participants
30 years
STANDARD_DEVIATION 11.74 • n=5 Participants
Sex: Female, Male
Female
5 Participants
n=5 Participants
5 Participants
n=7 Participants
10 Participants
n=5 Participants
Sex: Female, Male
Male
10 Participants
n=5 Participants
10 Participants
n=7 Participants
20 Participants
n=5 Participants
Region of Enrollment
United States
15 Participants
n=5 Participants
15 Participants
n=7 Participants
30 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 17 post-treatment time points (15 min to 32 hr)

Population: Crossover Spirometry Population (all subjects receiving both inhaled loxapine and inhaled placebo) LSM and CI statistics were based on the individual (within subject) differences between loxapine and placebo exposures

The largest treatment difference (Loxapine - Placebo) across the 17 post-treatment time points (15 min to 32 hr) in FEV1 Change from Same-Period Baseline,

Outcome measures

Outcome measures
Measure
Inhaled Loxapine
n=23 Participants
Inhaled Staccato Loxapine, 10 mg doses x 2, 8 hours apart
Inhaled Staccato Placebo
n=25 Participants
Inhaled Staccato Placebo, 2 inhalations, 8 hours apart
The Largest Treatment Difference (Loxapine - Placebo) in Change in FEV1 From Baseline by Spirometry
-0.1042 liters
Interval -0.1776 to -0.031
-0.1025 liters
Interval -0.18099 to -0.02393

SECONDARY outcome

Timeframe: 17 post-treatment time points (15 min to 32 hr)

Population: Crossover Spirometry Population (all subjects receiving both inhaled loxapine and inhaled placebo) LSM and CI statistics were based on the individual (within subject) differences between loxapine and placebo exposures

The largest treatment difference (Loxapine - Placebo) across the 17 post-treatment time points (15 min to 32 hr) in FVC Change from Same-Period Baseline

Outcome measures

Outcome measures
Measure
Inhaled Loxapine
n=25 Participants
Inhaled Staccato Loxapine, 10 mg doses x 2, 8 hours apart
Inhaled Staccato Placebo
n=25 Participants
Inhaled Staccato Placebo, 2 inhalations, 8 hours apart
The Largest Treatment Difference (Loxapine - Placebo) in Change in FVC From Baseline by Spirometry
-0.271 liters
Interval -0.37 to -0.172
-0.149 liters
Interval -0.264 to -0.035

Adverse Events

Inhaled Placebo

Serious events: 1 serious events
Other events: 5 other events
Deaths: 0 deaths

Inhaled Loxapine

Serious events: 0 serious events
Other events: 16 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Inhaled Placebo
n=29 participants at risk
Inhaled Staccato Placebo, 2 inhalations, 8 hours apart Inhaled Placebo: Inhaled Staccato Placebo, 2 inhalations, 8 hours apart
Inhaled Loxapine
n=27 participants at risk
Inhaled Staccato Loxapine, 10 mg doses x 2, 8 hours apart Inhaled Loxapine: Inhaled Staccato Loxapine, 10 mg doses x 2, 8 hours apart
Gastrointestinal disorders
Appendicitis
3.4%
1/29 • Number of events 1 • Adverse events (AEs) were considered treatment related from the first exposure to study treatment until 30 days after the last treatment
Adverse events (AEs) were assessed predose and at 16 pre-specified time points for the 24-hour period after dosing, as well as whenever spontaneously reported by the subjects or study staff
0.00%
0/27 • Adverse events (AEs) were considered treatment related from the first exposure to study treatment until 30 days after the last treatment
Adverse events (AEs) were assessed predose and at 16 pre-specified time points for the 24-hour period after dosing, as well as whenever spontaneously reported by the subjects or study staff

Other adverse events

Other adverse events
Measure
Inhaled Placebo
n=29 participants at risk
Inhaled Staccato Placebo, 2 inhalations, 8 hours apart Inhaled Placebo: Inhaled Staccato Placebo, 2 inhalations, 8 hours apart
Inhaled Loxapine
n=27 participants at risk
Inhaled Staccato Loxapine, 10 mg doses x 2, 8 hours apart Inhaled Loxapine: Inhaled Staccato Loxapine, 10 mg doses x 2, 8 hours apart
Gastrointestinal disorders
Dysgeusia
3.4%
1/29 • Number of events 1 • Adverse events (AEs) were considered treatment related from the first exposure to study treatment until 30 days after the last treatment
Adverse events (AEs) were assessed predose and at 16 pre-specified time points for the 24-hour period after dosing, as well as whenever spontaneously reported by the subjects or study staff
44.4%
12/27 • Number of events 12 • Adverse events (AEs) were considered treatment related from the first exposure to study treatment until 30 days after the last treatment
Adverse events (AEs) were assessed predose and at 16 pre-specified time points for the 24-hour period after dosing, as well as whenever spontaneously reported by the subjects or study staff
Gastrointestinal disorders
Vomiting
0.00%
0/29 • Adverse events (AEs) were considered treatment related from the first exposure to study treatment until 30 days after the last treatment
Adverse events (AEs) were assessed predose and at 16 pre-specified time points for the 24-hour period after dosing, as well as whenever spontaneously reported by the subjects or study staff
7.4%
2/27 • Number of events 2 • Adverse events (AEs) were considered treatment related from the first exposure to study treatment until 30 days after the last treatment
Adverse events (AEs) were assessed predose and at 16 pre-specified time points for the 24-hour period after dosing, as well as whenever spontaneously reported by the subjects or study staff
Nervous system disorders
Dizziness
0.00%
0/29 • Adverse events (AEs) were considered treatment related from the first exposure to study treatment until 30 days after the last treatment
Adverse events (AEs) were assessed predose and at 16 pre-specified time points for the 24-hour period after dosing, as well as whenever spontaneously reported by the subjects or study staff
7.4%
2/27 • Number of events 2 • Adverse events (AEs) were considered treatment related from the first exposure to study treatment until 30 days after the last treatment
Adverse events (AEs) were assessed predose and at 16 pre-specified time points for the 24-hour period after dosing, as well as whenever spontaneously reported by the subjects or study staff
Nervous system disorders
Headache
13.8%
4/29 • Number of events 4 • Adverse events (AEs) were considered treatment related from the first exposure to study treatment until 30 days after the last treatment
Adverse events (AEs) were assessed predose and at 16 pre-specified time points for the 24-hour period after dosing, as well as whenever spontaneously reported by the subjects or study staff
7.4%
2/27 • Number of events 2 • Adverse events (AEs) were considered treatment related from the first exposure to study treatment until 30 days after the last treatment
Adverse events (AEs) were assessed predose and at 16 pre-specified time points for the 24-hour period after dosing, as well as whenever spontaneously reported by the subjects or study staff

Additional Information

Executive VP, Research & Development, Regulatory & Quality

Alexza Pharmaceuticals, Inc

Phone: 650.944.7071

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: LTE60