Trial Outcomes & Findings for Safety Study of Lactobacillus Administered Vaginally to Healthy Women (NCT NCT00537576)

NCT ID: NCT00537576

Last Updated: 2020-09-16

Results Overview

Safety was measured by comparing the number of women experiencing adverse events of grade 3 or higher during the study.

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

12 participants

Primary outcome timeframe

35 days

Results posted on

2020-09-16

Participant Flow

Between November 2007 and January 2008, 12 participants were recruited through advertising in health centers, educational institutions, community bulletin boards and online forums.

All 12 enrolled participants completed the study.

Participant milestones

Participant milestones
Measure
Low Dose Applicator
Low dose LACTIN-V applicator (150 mg LACTIN-V, 5.0 x 10\^8 CFU) and Placebo applicator (150 mg Placebo), randomized 3:1
Medium Dose Applicator
Medium dose LACTIN-V applicator (300 mg LACTIN-V, 1.0 x 10\^9 CFU) and Placebo applicator (300 mg), randomized 3:1
High Dose Applicator
High dose LACTIN-V applicator (600 mg LACTIN-V, 2.0 x 10\^9 CFU) and Placebo applicator (600 mg Placebo), randomized 3:1
Placebo Control Substance Low Dose
Placebo control substance Low Dose contained a nutrient matrix of 150 mg per dose.
Placebo Control Substance Medium Dose
Placebo control substance Medium Dose contained a nutrient matrix of 300 mg per dose.
Placebo Control Substance High Dose
Placebo control substance High Dose contained a nutrient matrix of 600 mg per dose.
Overall Study
STARTED
3
3
3
1
1
1
Overall Study
COMPLETED
3
3
3
1
1
1
Overall Study
NOT COMPLETED
0
0
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Safety Study of Lactobacillus Administered Vaginally to Healthy Women

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Low Dose Applicator
n=3 Participants
Low dose LACTIN-V applicator (150 mg LACTIN-V, 5.0 x 10\^8 CFU) and Placebo applicator (150 mg Placebo), randomized 3:1
Medium Dose Applicator
n=3 Participants
Medium dose LACTIN-V applicator (300 mg LACTIN-V, 1.0 x 10\^9 CFU) and Placebo applicator (300 mg), randomized 3:1
High Dose Applicator
n=3 Participants
High dose LACTIN-V applicator (600 mg LACTIN-V, 2.0 x 10\^9 CFU) and Placebo applicator (600 mg Placebo), randomized 3:1
Placebo Control Substance Low Dose
n=1 Participants
Placebo control substance Low Dose contained a nutrient matrix of 150 mg per dose.
Placebo Control Substance Medium Dose
n=1 Participants
Placebo control substance Medium Dose contained a nutrient matrix of 300 mg per dose.
Placebo Control Substance High Dose
n=1 Participants
Placebo control substance High Dose contained a nutrient matrix of 600 mg per dose.
Total
n=12 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
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=10 Participants
0 Participants
n=115 Participants
Age, Categorical
Between 18 and 65 years
3 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
1 Participants
n=4 Participants
1 Participants
n=21 Participants
1 Participants
n=10 Participants
12 Participants
n=115 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=10 Participants
0 Participants
n=115 Participants
Age, Continuous
29.1 years
STANDARD_DEVIATION 7.0 • n=5 Participants
29.1 years
STANDARD_DEVIATION 7 • n=7 Participants
29.1 years
STANDARD_DEVIATION 7.0 • n=5 Participants
29.1 years
STANDARD_DEVIATION 7 • n=4 Participants
29.1 years
STANDARD_DEVIATION 7 • n=21 Participants
29.1 years
STANDARD_DEVIATION 7 • n=10 Participants
29.1 years
STANDARD_DEVIATION 7.0 • n=115 Participants
Sex: Female, Male
Female
3 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
1 Participants
n=4 Participants
1 Participants
n=21 Participants
1 Participants
n=10 Participants
12 Participants
n=115 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=10 Participants
0 Participants
n=115 Participants
Region of Enrollment
United States
3 participants
n=5 Participants
3 participants
n=7 Participants
3 participants
n=5 Participants
1 participants
n=4 Participants
1 participants
n=21 Participants
1 participants
n=10 Participants
12 participants
n=115 Participants

PRIMARY outcome

Timeframe: 35 days

Population: The analysis was per protocol. Number of participants for descriptive analysis only.

Safety was measured by comparing the number of women experiencing adverse events of grade 3 or higher during the study.

Outcome measures

Outcome measures
Measure
Low Dose Applicator
n=3 Participants
Low dose LACTIN-V applicator (150 mg LACTIN-V, 5.0 x 10\^8 CFU) and Placebo applicator (150 mg Placebo), randomized 3:1
Medium Dose Applicator
n=3 Participants
Medium dose LACTIN-V applicator (300 mg LACTIN-V, 1.0 x 10\^9 CFU) and Placebo applicator (300 mg), randomized 3:1
High Dose Applicator
n=3 Participants
High dose LACTIN-V applicator (600 mg LACTIN-V, 2.0 x 10\^9 CFU) and Placebo applicator (600 mg Placebo), randomized 3:1
Placebo Control Substance Low Dose
n=1 Participants
Placebo control substance Low Dose contained a nutrient matrix of 150 mg per dose.
Placebo Control Substance Medium Dose
n=1 Participants
Placebo control substance Medium Dose contained a nutrient matrix of 300 mg per dose.
Placebo Control Substance High Dose
n=1 Participants
Placebo control substance High Dose contained a nutrient matrix of 600 mg per dose.
Safety of LACTIN-V in Healthy Pre-menopausal Women.
0 participants
0 participants
0 participants
0 participants
0 participants
0 participants

SECONDARY outcome

Timeframe: 35 days

Population: Analysis per Protocol. Number of participants for descriptive analysis.

Tolerability was measured as proportion of women remaining in the study, and NOT prematurely exiting the trial due to an adverse event.

Outcome measures

Outcome measures
Measure
Low Dose Applicator
n=3 Participants
Low dose LACTIN-V applicator (150 mg LACTIN-V, 5.0 x 10\^8 CFU) and Placebo applicator (150 mg Placebo), randomized 3:1
Medium Dose Applicator
n=3 Participants
Medium dose LACTIN-V applicator (300 mg LACTIN-V, 1.0 x 10\^9 CFU) and Placebo applicator (300 mg), randomized 3:1
High Dose Applicator
n=3 Participants
High dose LACTIN-V applicator (600 mg LACTIN-V, 2.0 x 10\^9 CFU) and Placebo applicator (600 mg Placebo), randomized 3:1
Placebo Control Substance Low Dose
n=1 Participants
Placebo control substance Low Dose contained a nutrient matrix of 150 mg per dose.
Placebo Control Substance Medium Dose
n=1 Participants
Placebo control substance Medium Dose contained a nutrient matrix of 300 mg per dose.
Placebo Control Substance High Dose
n=1 Participants
Placebo control substance High Dose contained a nutrient matrix of 600 mg per dose.
Tolerability of LACTIN-V in a Pre-filled Applicator.
3 participants
3 participants
3 participants
1 participants
1 participants
1 participants

SECONDARY outcome

Timeframe: 35 days

Acceptability and overall satisfaction with the study product was measured using the response to the following question: "I would use the product again" with the following response options (strongly agree, agree, neutral, disagree, strongly disagree) Acceptability is reported as the number of women in each group who strongly agreed or agreed with the statement that they would use the product again.

Outcome measures

Outcome measures
Measure
Low Dose Applicator
n=3 Participants
Low dose LACTIN-V applicator (150 mg LACTIN-V, 5.0 x 10\^8 CFU) and Placebo applicator (150 mg Placebo), randomized 3:1
Medium Dose Applicator
n=3 Participants
Medium dose LACTIN-V applicator (300 mg LACTIN-V, 1.0 x 10\^9 CFU) and Placebo applicator (300 mg), randomized 3:1
High Dose Applicator
n=3 Participants
High dose LACTIN-V applicator (600 mg LACTIN-V, 2.0 x 10\^9 CFU) and Placebo applicator (600 mg Placebo), randomized 3:1
Placebo Control Substance Low Dose
n=1 Participants
Placebo control substance Low Dose contained a nutrient matrix of 150 mg per dose.
Placebo Control Substance Medium Dose
n=1 Participants
Placebo control substance Medium Dose contained a nutrient matrix of 300 mg per dose.
Placebo Control Substance High Dose
n=1 Participants
Placebo control substance High Dose contained a nutrient matrix of 600 mg per dose.
Acceptability of LACTIN-V in Pre-filled Applicators
3 participants
3 participants
2 participants
1 participants
0 participants
1 participants

Adverse Events

Low Dose Applicator

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Medium Dose Applicator

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

High Dose Applicator

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Placebo Control Substance Low Dose

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

Placebo Control Substance Medium Dose

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

Placebo Control Substance High Dose

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Low Dose Applicator
n=3 participants at risk
Low dose LACTIN-V applicator (150 mg LACTIN-V, 5.0 x 10\^8 CFU) and Placebo applicator (150 mg Placebo), randomized 3:1
Medium Dose Applicator
n=3 participants at risk
Medium dose LACTIN-V applicator (300 mg LACTIN-V, 1.0 x 10\^9 CFU) and Placebo applicator (300 mg), randomized 3:1
High Dose Applicator
n=3 participants at risk
High dose LACTIN-V applicator (600 mg LACTIN-V, 2.0 x 10\^9 CFU) and Placebo applicator (600 mg Placebo), randomized 3:1
Placebo Control Substance Low Dose
n=1 participants at risk
Placebo control substance Low Dose contained a nutrient matrix of 150 mg per dose.
Placebo Control Substance Medium Dose
n=1 participants at risk
Placebo control substance Medium Dose contained a nutrient matrix of 300 mg per dose.
Placebo Control Substance High Dose
n=1 participants at risk
Placebo control substance High Dose contained a nutrient matrix of 600 mg per dose.
Reproductive system and breast disorders
vaginal discharge
33.3%
1/3 • Number of events 1
66.7%
2/3 • Number of events 2
66.7%
2/3 • Number of events 2
0.00%
0/1
0.00%
0/1
0.00%
0/1
Reproductive system and breast disorders
Abdominal pain
33.3%
1/3 • Number of events 1
66.7%
2/3 • Number of events 2
0.00%
0/3
0.00%
0/1
0.00%
0/1
100.0%
1/1 • Number of events 1
Reproductive system and breast disorders
Metrorrhagia
0.00%
0/3
0.00%
0/3
66.7%
2/3 • Number of events 2
100.0%
1/1 • Number of events 1
0.00%
0/1
100.0%
1/1 • Number of events 1
Reproductive system and breast disorders
Vulvovaginitis
0.00%
0/3
33.3%
1/3 • Number of events 1
66.7%
2/3 • Number of events 2
0.00%
0/1
0.00%
0/1
100.0%
1/1 • Number of events 1
General disorders
headache
33.3%
1/3 • Number of events 1
33.3%
1/3 • Number of events 1
0.00%
0/3
0.00%
0/1
100.0%
1/1 • Number of events 1
0.00%
0/1
Reproductive system and breast disorders
vaginal odor
33.3%
1/3 • Number of events 1
66.7%
2/3 • Number of events 2
0.00%
0/3
0.00%
0/1
0.00%
0/1
0.00%
0/1
Reproductive system and breast disorders
vaginal candidiasis
0.00%
0/3
33.3%
1/3 • Number of events 1
33.3%
1/3 • Number of events 1
0.00%
0/1
100.0%
1/1 • Number of events 1
0.00%
0/1

Additional Information

Anke Hemmerling, Project Director

University of California, San Francisco

Phone: 415-597-4963

Results disclosure agreements

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