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A Randomized Study Evaluating the Therapeutic Equivalence of Two Butoconazole Nitrate Vaginal Cream, 2% Formulations

A Randomized Study Evaluating the Therapeutic Equivalence and Safety of Butoconazole Nitrate Vaginal Cream, 2% and Gynazole 1 (Butoconazole Nitrate) Vaginal Cream, 2%, Against a Vehicle Control in the Treatment of Vulvovaginal Candidiasis

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01039584
Enrollment
611
Registered
2009-12-25
Start date
2008-02-29
Completion date
2009-12-31
Last updated
2023-07-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Vulvovaginal Candidiasis

Keywords

bioequivalence, butoconazole, vulvovaginal, candidiasis

Brief summary

This was a study that compared the efficacy and safety of a generic butoconazole nitrate vaginal cream, 2% to Gynazole-1 (butoconazole nitrate) Vaginal Cream, 2% in the treatment of vulvovaginal candidiasis caused by Candida species.

Interventions

DRUGButoconazole Nitrate Vaginal Cream

vaginal cream

DRUGPlacebo

vaginal cream

DRUGGynazole 1 vaginal cream

vaginal cream

Sponsors

Padagis LLC
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Caregiver)

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 75 Years
Healthy volunteers
Yes

Inclusion criteria

* Female subjects, at least 18 years of age * Presented with symptomatic vulvovaginitis consistent with a diagnosis of moniliasis * Signed and dated informed consent

Exclusion criteria

* Were pregnant, nursing, or planning a pregnancy within the study participation period * Had evidence of any bacterial, viral, or protozoal infection * Had hypersensitivity or allergy to the imidazoles, their analogues, and/or any of the Test Product ingredients * Had any medical condition, or used any medication which, in the opinion of the investigator, could have interfered with the conduct of the study

Design outcomes

Primary

MeasureTime frameDescription
The Test of Equivalence Between the Test and Reference Products Was Based on the Therapeutic Cure Rates at Visit 3/Test-of-Cure.Visit 3: Day 22-31Therapeutic cure is defined as both the mycologically-proven eradication of infection caused by Candida species (mycological cure) and evidence of clinical success (clinical cure)

Secondary

MeasureTime frameDescription
Clinical CureVisit 3: Day 22-31Clinical cure (clinical success) was defined as follows: 1. All signs or symptoms with a score of 1 (mild) or 2 (moderate) at Visit 1/Baseline had a score of 0 (absent) at Visit 3/Test-of-Cure, or all signs or symptoms with a score of 3 (severe) at Visit 1/Baseline had a score of 0 (absent) or 1 (mild) at Visit 3/Test-of-Cure 2. A new sign or symptoms was observed at Visit 3/Test-of-Cure that was not present at entry and was determined by the investigator to not be related to VVC (if related, the subject was considered a failure; if not related, the subject could have been considered a cure) 3. The subject did not require additional vulvovaginal or systemic antifungal therapy 4. The subject did not use any topical drug therapy other than the study medication for the treatment of vulvovaginal irritation and/or pruritus, such as topical analgesics or corticosteroid products
Mycological CureVisit 3: Day 22-31Mycological cure was defined as a negative mycological culture (no growth)

Countries

United States

Participant flow

Participants by arm

ArmCount
Test Product
Butoconazole Nitrate Vaginal Cream Butoconazole Nitrate Vaginal Cream : vaginal cream
246
Reference Product
Gynazole 1 Vaginal Cream Gynazole 1 vaginal cream : vaginal cream
243
Placebo
vehicle of the test product Placebo : vaginal cream
122
Total611

Withdrawals & dropouts

PeriodReasonFG000FG001FG002
Overall StudyLack of Efficacy7610
Overall StudyLost to Follow-up534
Overall StudyNegative Baseline culture for Candida595924
Overall Studyother131
Overall StudyPap smear with significant pathology10103
Overall StudyPositive for Chlamydia or gonorrhea7108
Overall StudyProtocol Violation1046
Overall StudyWithdrawal by Subject421

Baseline characteristics

CharacteristicTest ProductReference ProductPlaceboTotal
Age, Categorical
<=18 years
8 Participants5 Participants4 Participants17 Participants
Age, Categorical
>=65 years
2 Participants0 Participants1 Participants3 Participants
Age, Categorical
Between 18 and 65 years
236 Participants238 Participants117 Participants591 Participants
Age, Continuous32.1 years
STANDARD_DEVIATION 10.29
32.1 years
STANDARD_DEVIATION 10.02
33.3 years
STANDARD_DEVIATION 11.15
32.3 years
STANDARD_DEVIATION 10.35
Region of Enrollment
Central America
54 participants53 participants26 participants133 participants
Region of Enrollment
South America
84 participants83 participants42 participants209 participants
Region of Enrollment
United States
108 participants107 participants54 participants269 participants
Sex: Female, Male
Female
246 Participants243 Participants122 Participants611 Participants
Sex: Female, Male
Male
0 Participants0 Participants0 Participants0 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —
other
Total, other adverse events
0 / 2460 / 2430 / 122
serious
Total, serious adverse events
0 / 2460 / 2430 / 122

Outcome results

Primary

The Test of Equivalence Between the Test and Reference Products Was Based on the Therapeutic Cure Rates at Visit 3/Test-of-Cure.

Therapeutic cure is defined as both the mycologically-proven eradication of infection caused by Candida species (mycological cure) and evidence of clinical success (clinical cure)

Time frame: Visit 3: Day 22-31

Population: per-protocol

ArmMeasureValue (NUMBER)
Test ProductThe Test of Equivalence Between the Test and Reference Products Was Based on the Therapeutic Cure Rates at Visit 3/Test-of-Cure.73 participants
Reference ProductThe Test of Equivalence Between the Test and Reference Products Was Based on the Therapeutic Cure Rates at Visit 3/Test-of-Cure.73 participants
PlaceboThe Test of Equivalence Between the Test and Reference Products Was Based on the Therapeutic Cure Rates at Visit 3/Test-of-Cure.16 participants
90% CI: [-9.1, 12.3]Wald's method
Secondary

Clinical Cure

Clinical cure (clinical success) was defined as follows: 1. All signs or symptoms with a score of 1 (mild) or 2 (moderate) at Visit 1/Baseline had a score of 0 (absent) at Visit 3/Test-of-Cure, or all signs or symptoms with a score of 3 (severe) at Visit 1/Baseline had a score of 0 (absent) or 1 (mild) at Visit 3/Test-of-Cure 2. A new sign or symptoms was observed at Visit 3/Test-of-Cure that was not present at entry and was determined by the investigator to not be related to VVC (if related, the subject was considered a failure; if not related, the subject could have been considered a cure) 3. The subject did not require additional vulvovaginal or systemic antifungal therapy 4. The subject did not use any topical drug therapy other than the study medication for the treatment of vulvovaginal irritation and/or pruritus, such as topical analgesics or corticosteroid products

Time frame: Visit 3: Day 22-31

Population: per-protocol

ArmMeasureValue (NUMBER)
Test ProductClinical Cure91 participants
Reference ProductClinical Cure92 participants
PlaceboClinical Cure32 participants
90% CI: [-7.3, 12.8]Wald's method
Secondary

Mycological Cure

Mycological cure was defined as a negative mycological culture (no growth)

Time frame: Visit 3: Day 22-31

ArmMeasureValue (NUMBER)
Test ProductMycological Cure83 participants
Reference ProductMycological Cure79 participants
PlaceboMycological Cure18 participants
p-value: 0.0590% CI: [-11.7, 9.4]Wald's method

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026