Trial Outcomes & Findings for ADASUVE-Lorazepam Drug-Drug Interaction (NCT NCT01877642)

NCT ID: NCT01877642

Last Updated: 2017-12-13

Results Overview

Determine the maximum level of sedation for Lorazepam 1 mg IM + ADASUVE 10 mg based on the 100 mm Visual Analog Scale (VAS) ranging from (0=sleepy to 100=wide awake)

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

22 participants

Primary outcome timeframe

24 hours

Results posted on

2017-12-13

Participant Flow

Participant milestones

Participant milestones
Measure
Open Label (Lorazepam 1 mg + Inhaled Loxapine 10 mg)
Inhaled Staccato loxapine 10 mg + IM lorazepam 1 mg Lorazepam 1 mg IM: Lorazepam 1 mg intramuscular Inhaled loxapine 10 mg: Inhaled Staccato loxapine 10 mg
Treatment Sequence ABC
Treatment: A = Lorazepam 1 mg IM + inhaled placebo, B = Lorazepam 1 mg IM + inhaled loxapine 10 mg, C= Placebo IM + inhaled loxapine 10 mg
Treatment Sequence ACB
Treatment: A = Lorazepam 1 mg IM + inhaled placebo, B = Lorazepam 1 mg IM + inhaled loxapine 10 mg, C= Placebo IM + inhaled loxapine 10 mg
Treatment Sequence BCA
Treatment: A = Lorazepam 1 mg IM + inhaled placebo, B = Lorazepam 1 mg IM + inhaled loxapine 10 mg, C= Placebo IM + inhaled loxapine 10 mg
Treatment Sequence BAC
Treatment: A = Lorazepam 1 mg IM + inhaled placebo, B = Lorazepam 1 mg IM + inhaled loxapine 10 mg, C= Placebo IM + inhaled loxapine 10 mg
Treatment Sequence CAB
Treatment: A = Lorazepam 1 mg IM + inhaled placebo, B = Lorazepam 1 mg IM + inhaled loxapine 10 mg, C= Placebo IM + inhaled loxapine 10 mg
Treatment Sequence CBA
Treatment: A = Lorazepam 1 mg IM + inhaled placebo, B = Lorazepam 1 mg IM + inhaled loxapine 10 mg, C= Placebo IM + inhaled loxapine 10 mg
Overall Study
STARTED
4
3
3
3
3
3
3
Overall Study
COMPLETED
4
3
3
3
3
3
3
Overall Study
NOT COMPLETED
0
0
0
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

ADASUVE-Lorazepam Drug-Drug Interaction

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Open Label Subjects
n=4 Participants
Open label portion of study
All Crossover Subjects
n=18 Participants
All 6 crossover treatment sequences
Total
n=22 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
4 Participants
n=5 Participants
18 Participants
n=7 Participants
22 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
32.5 years
STANDARD_DEVIATION 9.68 • n=5 Participants
30.4 years
STANDARD_DEVIATION 9.46 • n=7 Participants
30.8 years
STANDARD_DEVIATION 9.30 • n=5 Participants
Sex: Female, Male
Female
2 Participants
n=5 Participants
7 Participants
n=7 Participants
9 Participants
n=5 Participants
Sex: Female, Male
Male
2 Participants
n=5 Participants
11 Participants
n=7 Participants
13 Participants
n=5 Participants
Region of Enrollment
United States
4 participants
n=5 Participants
18 participants
n=7 Participants
22 participants
n=5 Participants

PRIMARY outcome

Timeframe: 24 hours

Population: Open label population

Determine the maximum level of sedation for Lorazepam 1 mg IM + ADASUVE 10 mg based on the 100 mm Visual Analog Scale (VAS) ranging from (0=sleepy to 100=wide awake)

Outcome measures

Outcome measures
Measure
Open Label Group
n=4 Participants
Lorazepam 1 mg IM + Inhaled loxapine 10 mg
Lorazepam+Loxapine / Loxapine
Lorazepam 1 mg IM + Inhaled Staccato Loxapine 10 mg compared to Inhaled Loxapine 10 mg
Maximum Level of Sedation for Lorazepam 1 mg IM + ADASUVE 10 mg
12.3 units on a scale
Standard Deviation 6.65

PRIMARY outcome

Timeframe: 24 hours

Population: Pharmacodynamics Population

LS Mean ratio (90% CI) of the area under the curve for 0 to 24 hours (AUC 0-24) for respiration rate following administration of Lorazepam+Loxapine compared to the same measure following each control drug given alone (Lorazepam, Loxapine)

Outcome measures

Outcome measures
Measure
Open Label Group
n=18 Participants
Lorazepam 1 mg IM + Inhaled loxapine 10 mg
Lorazepam+Loxapine / Loxapine
n=18 Participants
Lorazepam 1 mg IM + Inhaled Staccato Loxapine 10 mg compared to Inhaled Loxapine 10 mg
Relative Pharmacodynamic Effect on Respiration Rate for Combined vs Individual (Lorazepam, Loxapine)
94.3 percentage of effect on control drug
Interval 91.5 to 97.3
97.3 percentage of effect on control drug
Interval 94.3 to 100.0

SECONDARY outcome

Timeframe: 24 hours

Population: Pharmacodynamics Population

LS Means ratio (90% CI) of the area under the curve for 0 to 24 hours (AUC 0-24) for systolic blood pressure following administration of Lorazepam+Loxapine compared to the same measure following each control drug (Lorazepam, Loxapine) given alone

Outcome measures

Outcome measures
Measure
Open Label Group
n=18 Participants
Lorazepam 1 mg IM + Inhaled loxapine 10 mg
Lorazepam+Loxapine / Loxapine
n=18 Participants
Lorazepam 1 mg IM + Inhaled Staccato Loxapine 10 mg compared to Inhaled Loxapine 10 mg
Relative Pharmacodynamic Effect on Systolic Blood Pressure for Combined vs Individual (Lorazepam, Loxapine)
100 percentage of effect on control drug
Interval 97.8 to 103.0
102 percentage of effect on control drug
Interval 97.8 to 105.0

SECONDARY outcome

Timeframe: 24 hours

Population: Pharmacodynamics Population

LS Means ratio (90% CI) of the area under the curve for 0 to 24 hours (AUC 0-24) for sedation based on a 100 mm Visual Analog Scale (VAS) ranging from (0=sleepy to 100=wide awake) following administration of Lorazepam+Loxapine compared to the same measure following each control drug given alone (Lorazepam, Loxapine)

Outcome measures

Outcome measures
Measure
Open Label Group
n=18 Participants
Lorazepam 1 mg IM + Inhaled loxapine 10 mg
Lorazepam+Loxapine / Loxapine
n=18 Participants
Lorazepam 1 mg IM + Inhaled Staccato Loxapine 10 mg compared to Inhaled Loxapine 10 mg
Relative Pharmacodynamic Effect on Sedation for Combined vs Individual (Lorazepam, Loxapine)
41.7 percentage of effect on control drug
Interval 33.8 to 51.5
95.7 percentage of effect on control drug
Interval 77.6 to 118.0

SECONDARY outcome

Timeframe: 24 hours

Population: Pharmacodynamic population

LS Means ratio (90% CI) of the area under the curve for 0 to 24 hours (AUC 0-24) for pulse oximetry following administration of Lorazepam+Loxapine compared to the same measure following each control drug (Lorazepam, Loxapine) given alone

Outcome measures

Outcome measures
Measure
Open Label Group
n=18 Participants
Lorazepam 1 mg IM + Inhaled loxapine 10 mg
Lorazepam+Loxapine / Loxapine
n=18 Participants
Lorazepam 1 mg IM + Inhaled Staccato Loxapine 10 mg compared to Inhaled Loxapine 10 mg
Relative Pharmacodynamic Effect on Pulse Oximetry for Combined vs Individual (Lorazepam, Loxapine)
99.7 percentage of effect on control drug
Interval 99.4 to 100.1
100.3 percentage of effect on control drug
Interval 100.0 to 100.6

SECONDARY outcome

Timeframe: 24 hours

Population: Pharmacodynamic population

LS Means ratio (90% CI) of the area under the curve for 0 to 24 hours (AUC 0-24) for heart rate following administration of Lorazepam+Loxapine compared to the same measure following each control drug (Lorazepam, Loxapine) given alone

Outcome measures

Outcome measures
Measure
Open Label Group
n=18 Participants
Lorazepam 1 mg IM + Inhaled loxapine 10 mg
Lorazepam+Loxapine / Loxapine
n=18 Participants
Lorazepam 1 mg IM + Inhaled Staccato Loxapine 10 mg compared to Inhaled Loxapine 10 mg
Relative Pharmacodynamic Effect on Heart Rate for Combined vs Individual (Lorazepam, Loxapine)
96.9 percentage of effect on control drug
Interval 91.4 to 102.7
99.7 percentage of effect on control drug
Interval 94.0 to 105.7

SECONDARY outcome

Timeframe: 24 hours

Population: Pharmacodynamic population

LS Means ratio (90% CI) of the area under the curve for 0 to 24 hours (AUC 0-24) for diastolic blood pressure following administration of Lorazepam+Loxapine compared to the same measure following each control drug (Lorazepam, Loxapine) given alone

Outcome measures

Outcome measures
Measure
Open Label Group
n=18 Participants
Lorazepam 1 mg IM + Inhaled loxapine 10 mg
Lorazepam+Loxapine / Loxapine
n=18 Participants
Lorazepam 1 mg IM + Inhaled Staccato Loxapine 10 mg compared to Inhaled Loxapine 10 mg
Relative Pharmacodynamic Effect on Diastolic Blood Pressure for Combined vs Individual (Lorazepam, Loxapine)
101.8 percentage of effect on control drug
Interval 98.0 to 105.7
100.3 percentage of effect on control drug
Interval 96.6 to 104.2

SECONDARY outcome

Timeframe: 24 hours

Population: Pharmacodynamic population

LS Means ratio (90% CI) of the area under the curve for 0 to 24 hours (AUC 0-24) for Cogscreen Pathfinder Response following administration of Lorazepam+Loxapine compared to the same measure following each control drug (Lorazepam, Loxapine) given alone

Outcome measures

Outcome measures
Measure
Open Label Group
n=18 Participants
Lorazepam 1 mg IM + Inhaled loxapine 10 mg
Lorazepam+Loxapine / Loxapine
n=18 Participants
Lorazepam 1 mg IM + Inhaled Staccato Loxapine 10 mg compared to Inhaled Loxapine 10 mg
Relative Pharmacodynamic Effect on Cogscreen Pathfinder Response for Combined vs Individual (Lorazepam, Loxapine)
134 percentage of effect on control drug
Interval 122.0 to 147.0
133 percentage of effect on control drug
Interval 121.0 to 146.0

Adverse Events

Open Label (Lorazepam 1 mg + Inhaled Loxapine 10 mg)

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

Lorazepam 1 mg IM

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

Lorazepam 1 mg IM + Inhaled Loxapine 10 mg

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

Inhaled Loxapine 10 mg

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Open Label (Lorazepam 1 mg + Inhaled Loxapine 10 mg)
n=4 participants at risk
Inhaled Staccato loxapine 10 mg + IM lorazepam 1 mg Lorazepam 1 mg IM: Lorazepam 1 mg intramuscular Inhaled loxapine 10 mg: Inhaled Staccato loxapine 10 mg
Lorazepam 1 mg IM
n=18 participants at risk
Lorazepam 1 mg IM + Inhaled placebo Lorazepam 1 mg IM: Lorazepam 1 mg intramuscular Inhaled Placebo: Inhaler with no drug in it to mimic the ADASUVE inhaler
Lorazepam 1 mg IM + Inhaled Loxapine 10 mg
n=18 participants at risk
Lorazepam 1 mg IM + Inhaled Staccato loxapine 10 mg Lorazepam 1 mg IM: Lorazepam 1 mg intramuscular Inhaled loxapine 10 mg: Inhaled Staccato loxapine 10 mg
Inhaled Loxapine 10 mg
n=18 participants at risk
Inhaled Staccato loxapine 10 mg + IM placebo Inhaled loxapine 10 mg: Inhaled Staccato loxapine 10 mg Placebo IM: intramuscular placebo to mimic lorazepam 1 mg IM
Cardiac disorders
Palpitations
25.0%
1/4 • Number of events 1 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
0.00%
0/18 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
0.00%
0/18 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
0.00%
0/18 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
Musculoskeletal and connective tissue disorders
Myalgia
0.00%
0/4 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
0.00%
0/18 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
0.00%
0/18 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
5.6%
1/18 • Number of events 1 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
Nervous system disorders
Headache
0.00%
0/4 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
0.00%
0/18 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
0.00%
0/18 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
5.6%
1/18 • Number of events 1 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
Respiratory, thoracic and mediastinal disorders
Nasal congestion
25.0%
1/4 • Number of events 1 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
0.00%
0/18 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
0.00%
0/18 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.
0.00%
0/18 • From time of first study treatment to 30 days after the last study treatment
Adverse events reported to the investigator by telephone report, by historical report at the follow-up visit, or to study personnel during the follow-up assessment, regardless of treatment group (if known) or suspected causal relationship to study drug, were recorded on the AE CRF. AEs were collected pre-dose, 15, 30, 45, 60, 75, 90 \& 105 min; 2, 3, 4, 5, 6, 7, 8, 9 12 and 24 hours.

Additional Information

Executive VP, Research & Development, Regulatory & Quality

Alexza Pharmaceuticals, Inc

Phone: 650.944.7777

Results disclosure agreements

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

Restriction type: LTE60