Trial Outcomes & Findings for A Study to Evaluate the Effect of SYN-004 on the PK of IV Ceftriaxone in Adults With a Functioning Ileostomy (NCT NCT02419001)

NCT ID: NCT02419001

Last Updated: 2018-11-27

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

11 participants

Primary outcome timeframe

2 weeks

Results posted on

2018-11-27

Participant Flow

Participant milestones

Participant milestones
Measure
Low Dose
1 g ceftriaxone and two low doses (75 mg) of SYN-004
High Dose
1 g ceftriaxone and two high doses (150 mg) of SYN-004
Period 1- Ceftriaxone Without SYN-004
STARTED
6
5
Period 1- Ceftriaxone Without SYN-004
COMPLETED
5
5
Period 1- Ceftriaxone Without SYN-004
NOT COMPLETED
1
0
Period 2- Ceftriaxone With SYN-004
STARTED
5
5
Period 2- Ceftriaxone With SYN-004
COMPLETED
5
5
Period 2- Ceftriaxone With SYN-004
NOT COMPLETED
0
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Low Dose
1 g ceftriaxone and two low doses (75 mg) of SYN-004
High Dose
1 g ceftriaxone and two high doses (150 mg) of SYN-004
Period 1- Ceftriaxone Without SYN-004
AE w/ ceftriaxone, not dosed w/ IP
1
0

Baseline Characteristics

A Study to Evaluate the Effect of SYN-004 on the PK of IV Ceftriaxone in Adults With a Functioning Ileostomy

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Low Dose
n=6 Participants
1 g ceftriaxone and two low doses of SYN-004
High Dose
n=5 Participants
1 g ceftriaxone and two high doses of SYN-004
Total
n=11 Participants
Total of all reporting groups
Age, Continuous
41.3 years
STANDARD_DEVIATION 11.9 • n=5 Participants
57.1 years
STANDARD_DEVIATION 11.6 • n=7 Participants
48.5 years
STANDARD_DEVIATION 13.8 • n=5 Participants
Sex: Female, Male
Female
1 Participants
n=5 Participants
2 Participants
n=7 Participants
3 Participants
n=5 Participants
Sex: Female, Male
Male
5 Participants
n=5 Participants
3 Participants
n=7 Participants
8 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 2 weeks

Outcome measures

Outcome measures
Measure
Treatment Sequence AB
n=5 Participants
Period 1: Ceftriaxone 1 g infused IV over 30 minutes Period 2: Ceftriaxone 1 g infused IV over 30 minutes and SYN-004 75 mg (1 x 75 mg capsule) orally administered 30 minutes before and 5.5 hours after the start of the ceftriaxone infusion
Treatment Sequence AC
n=5 Participants
Period 1: Ceftriaxone 1 g infused IV over 30 minutes Period 2: Ceftriaxone 1 g infused IV over 30 minutes and SYN-004 150 mg (2 x 75 mg capsules) orally administered 30 minutes before and 5.5 hours after the start of the ceftriaxone infusion
Ceftriaxone PK Maximum Observed Plasma Concentration (Cmax) With (Period 2) and Without (Period 1) SYN-004.
Period 1
137,800.0 ng/mL
Standard Deviation 10,709.8
178,600.0 ng/mL
Standard Deviation 34,623.7
Ceftriaxone PK Maximum Observed Plasma Concentration (Cmax) With (Period 2) and Without (Period 1) SYN-004.
Period 2
143,800.0 ng/mL
Standard Deviation 13,103.4
169,200.0 ng/mL
Standard Deviation 32,782.6

PRIMARY outcome

Timeframe: 2 weeks

Samples were collected at 0.25 h, 0.5 through 2 h, and 3 through 7 h after the infusion start. Standard deviations may be 0 if all collected T max values occur at the same time.

Outcome measures

Outcome measures
Measure
Treatment Sequence AB
n=5 Participants
Period 1: Ceftriaxone 1 g infused IV over 30 minutes Period 2: Ceftriaxone 1 g infused IV over 30 minutes and SYN-004 75 mg (1 x 75 mg capsule) orally administered 30 minutes before and 5.5 hours after the start of the ceftriaxone infusion
Treatment Sequence AC
n=5 Participants
Period 1: Ceftriaxone 1 g infused IV over 30 minutes Period 2: Ceftriaxone 1 g infused IV over 30 minutes and SYN-004 150 mg (2 x 75 mg capsules) orally administered 30 minutes before and 5.5 hours after the start of the ceftriaxone infusion
Ceftriaxone PK Time to Reach Cmax (Tmax) With (Period 2) and Without (Period 1) SYN-004.
Period 1
0.5 hours
Standard Deviation 0.0
0.5 hours
Standard Deviation 0.0
Ceftriaxone PK Time to Reach Cmax (Tmax) With (Period 2) and Without (Period 1) SYN-004.
Period 2
0.5 hours
Standard Deviation 0.0
0.5 hours
Standard Deviation 0.0

PRIMARY outcome

Timeframe: 2 weeks

Outcome measures

Outcome measures
Measure
Treatment Sequence AB
n=5 Participants
Period 1: Ceftriaxone 1 g infused IV over 30 minutes Period 2: Ceftriaxone 1 g infused IV over 30 minutes and SYN-004 75 mg (1 x 75 mg capsule) orally administered 30 minutes before and 5.5 hours after the start of the ceftriaxone infusion
Treatment Sequence AC
n=5 Participants
Period 1: Ceftriaxone 1 g infused IV over 30 minutes Period 2: Ceftriaxone 1 g infused IV over 30 minutes and SYN-004 150 mg (2 x 75 mg capsules) orally administered 30 minutes before and 5.5 hours after the start of the ceftriaxone infusion
Ceftriaxone PK Area Under the Concentration-time Curve From Time 0 to the Last Quantifiable Concentration (AUCt) With (Period 2) and Without (Period 1) SYN-004.
Period 1
464,400.0 h*ng/mL
Standard Deviation 26,884.9
656,200.0 h*ng/mL
Standard Deviation 105,257.8
Ceftriaxone PK Area Under the Concentration-time Curve From Time 0 to the Last Quantifiable Concentration (AUCt) With (Period 2) and Without (Period 1) SYN-004.
Period 2
478,800.0 h*ng/mL
Standard Deviation 37,117.4
643,800.0 h*ng/mL
Standard Deviation 108,349.9

Adverse Events

Low Dose

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

High Dose

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Low Dose
n=6 participants at risk
1 g ceftriaxone and two low doses of SYN-004
High Dose
n=5 participants at risk
1 g ceftriaxone and two high doses of SYN-004
Gastrointestinal disorders
Abdominal pain
16.7%
1/6
0.00%
0/5
Nervous system disorders
Somnolence
16.7%
1/6
0.00%
0/5
Renal and urinary disorders
Pollakiuria
0.00%
0/6
20.0%
1/5
Nervous system disorders
Headache
16.7%
1/6
40.0%
2/5
General disorders
Catheter site bruise
16.7%
1/6
0.00%
0/5
General disorders
Discomfort
16.7%
1/6
0.00%
0/5
General disorders
Feeling cold
16.7%
1/6
0.00%
0/5
Musculoskeletal and connective tissue disorders
Back pain
0.00%
0/6
20.0%
1/5
Musculoskeletal and connective tissue disorders
Pain in extremity
0.00%
0/6
20.0%
1/5
Infections and infestations
Upper respiratory tract infection
0.00%
0/6
20.0%
1/5
Injury, poisoning and procedural complications
Infusion related reaction
16.7%
1/6
0.00%
0/5
Psychiatric disorders
Anxiety
16.7%
1/6
0.00%
0/5
Respiratory, thoracic and mediastinal disorders
Oropharyngeal pain
16.7%
1/6
0.00%
0/5
Respiratory, thoracic and mediastinal disorders
Rhinorrhoea
16.7%
1/6
0.00%
0/5
Respiratory, thoracic and mediastinal disorders
Sneezing
16.7%
1/6
0.00%
0/5
Skin and subcutaneous tissue disorders
Erythema
0.00%
0/6
20.0%
1/5
Vascular disorders
Hot flush
16.7%
1/6
0.00%
0/5

Additional Information

Michael Kaleko

Synthetic Biologics Inc.

Phone: (240) 238-3862

Results disclosure agreements

  • Principal investigator is a sponsor employee Investigators do not see trial results ahead of public disclosure unless it is under CDA. Investigators will not be allowed to publish or disclose any study results prior to sponsor communicating it to the public.
  • Publication restrictions are in place

Restriction type: OTHER