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Comparative Safety and Efficacy of Two Treatments in the Treatment of Vulvar and Vaginal Atrophy

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02770365
Enrollment
695
Registered
2016-05-12
Start date
2016-05-31
Completion date
2016-11-30
Last updated
2021-11-02

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

Conditions

Atrophy

Brief summary

To compare safety and efficacy of Perrigo's drug product compared to an FDA approved drug product in the treatment of vulvar and vaginal atrophy.

Interventions

DRUGestrace cream (Perrigo)
DRUGestrace cream (Reference)
DRUGPlacebo cream

Sponsors

Impax Laboratories, LLC
CollaboratorINDUSTRY
Padagis LLC
Lead SponsorINDUSTRY

Study design

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

Eligibility

Sex/Gender
FEMALE
Age
30 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* postmenopausal female and otherwise healthy, 30 - 75 years of age. * ≤ 5% superficial cells on vaginal smear cytology at Visit 1/Screening. * vaginal pH \> 5.0 at Visit 1/Screening * Have at least one self-assessed moderate to severe symptom of Vulvar and Vaginal Atrophy identified by the subject as being the most bothersome * For women with an intact uterus, vaginal ultrasonography confirmation at Visit 1/Screening of an inactive endometrial lining with an endometrial thickness less than 4 mm. * Systolic blood pressure no greater than 150 mm Hg and diastolic blood pressure no greater than 90 mm Hg at Visit 1/Screening and at Visit 2/Randomization

Exclusion criteria

* Undiagnosed vaginal bleeding or a history of significant risk factors for endometrial cancer. * Known, suspected, or history of cancer of the breast or mammogram indicating any abnormalities or subject has a history of cervical cancer. * Vaginal ultrasonography for all women with an intact uterus confirming endometrial thickness of 4mm or more * History of hypersensitivity or allergy to estradiol or any of the other study medication ingredients. * Known or suspected estrogen-dependent neoplasia. * Has deep vein thrombosis, pulmonary embolism or history of these conditions. • Subject has active arterial thromboembolic disease (e. g. stroke, myocardial infarction) or history of these conditions. * Known acute or chronic hepatic disease or dysfunction

Design outcomes

Primary

MeasureTime frameDescription
Percentage of Subjects Identified as RespondersDay 8A responder is a subject meeting specific vaginal cytology criteria AND a vaginal pH \< 5.0 with a change from Visit 1 of at least 0.5.

Secondary

MeasureTime frameDescription
Most Bothersome SymptomDay 8Percentage of subjects based on the improvement (change from Visit 2) of the Most Bothersome Symptom at Visit 3.

Countries

United States

Participant flow

Participants by arm

ArmCount
Test Product
estradiol cream estrace cream (Perrigo)
275
Reference Product
estradiol cream estrace cream (Reference)
277
Placebo Product
Placebo cream Placebo cream
139
Total691

Baseline characteristics

CharacteristicTest ProductReference ProductPlacebo ProductTotal
Age, Continuous60.3 years
STANDARD_DEVIATION 6.35
59.9 years
STANDARD_DEVIATION 6.31
59.2 years
STANDARD_DEVIATION 6.06
59.9 years
STANDARD_DEVIATION 6.28
Ethnicity (NIH/OMB)
Hispanic or Latino
55 Participants59 Participants29 Participants143 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
220 Participants218 Participants110 Participants548 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
8 Participants5 Participants0 Participants13 Participants
Race (NIH/OMB)
Black or African American
33 Participants35 Participants25 Participants93 Participants
Race (NIH/OMB)
More than one race
1 Participants0 Participants0 Participants1 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants1 Participants0 Participants1 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants1 Participants0 Participants1 Participants
Race (NIH/OMB)
White
233 Participants235 Participants114 Participants582 Participants
Sex: Female, Male
Female
275 Participants277 Participants139 Participants691 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
0 / 2770 / 2790 / 139
other
Total, other adverse events
0 / 2770 / 2790 / 139
serious
Total, serious adverse events
0 / 2770 / 2790 / 139

Outcome results

Primary

Percentage of Subjects Identified as Responders

A responder is a subject meeting specific vaginal cytology criteria AND a vaginal pH \< 5.0 with a change from Visit 1 of at least 0.5.

Time frame: Day 8

Population: Per protocol population

ArmMeasureValue (NUMBER)
Test ProductPercentage of Subjects Identified as Responders36.8 percentage of responders
Reference ProductPercentage of Subjects Identified as Responders32.0 percentage of responders
Placebo ProductPercentage of Subjects Identified as Responders0.8 percentage of responders
90% CI: [-2.92, 12.53]Wald's method
Secondary

Most Bothersome Symptom

Percentage of subjects based on the improvement (change from Visit 2) of the Most Bothersome Symptom at Visit 3.

Time frame: Day 8

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Test ProductMost Bothersome Symptom116 Participants
Reference ProductMost Bothersome Symptom123 Participants
p-value: 0.0590% CI: [-12.35, 4.31]Wald's method

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