Trial Outcomes & Findings for AMP002 Phase III Contraceptive Study (NCT NCT03243305)

NCT ID: NCT03243305

Last Updated: 2020-09-17

Results Overview

To evaluate the contraceptive efficacy of Amphora over 7-cycle of use

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

1384 participants

Primary outcome timeframe

10 months

Results posted on

2020-09-17

Participant Flow

Participant milestones

Participant milestones
Measure
Interventional
This is a single-arm, open-label, Phase III study of AMPHORA, a non-hormonal contraceptive, at 112 sites in the United States (US) over seven cycles of use in women aged 18 to 35 years who are at risk of pregnancy. AMPHORA: non-hormonal contraceptive vaginal gel
Overall Study
STARTED
1384
Overall Study
COMPLETED
449
Overall Study
NOT COMPLETED
935

Reasons for withdrawal

Reasons for withdrawal
Measure
Interventional
This is a single-arm, open-label, Phase III study of AMPHORA, a non-hormonal contraceptive, at 112 sites in the United States (US) over seven cycles of use in women aged 18 to 35 years who are at risk of pregnancy. AMPHORA: non-hormonal contraceptive vaginal gel
Overall Study
Lost to Follow-up
250
Overall Study
Withdrawal by Subject
170
Overall Study
Pregnancy
104
Overall Study
Non-Compliance with Study Drug
38
Overall Study
Adverse Event
23
Overall Study
No sexually active
26
Overall Study
Physician Decision
22
Overall Study
Protocol Violation
22
Overall Study
Study method no longer primary method
12
Overall Study
Study Terminated by Sponsor
1
Overall Study
Early terminations
267

Baseline Characteristics

AMP002 Phase III Contraceptive Study

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Interventional
n=1384 Participants
This is a single-arm, open-label, Phase III study of AMPHORA, a non-hormonal contraceptive, at 112 sites in the United States (US) over seven cycles of use in women aged 18 to 35 years who are at risk of pregnancy. AMPHORA: non-hormonal contraceptive vaginal gel
Age, Continuous
27.7 years
STANDARD_DEVIATION 4.49 • n=99 Participants
Sex: Female, Male
Female
1384 Participants
n=99 Participants
Sex: Female, Male
Male
0 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
571 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
805 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
8 Participants
n=99 Participants
Race (NIH/OMB)
American Indian or Alaska Native
6 Participants
n=99 Participants
Race (NIH/OMB)
Asian
35 Participants
n=99 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
2 Participants
n=99 Participants
Race (NIH/OMB)
Black or African American
348 Participants
n=99 Participants
Race (NIH/OMB)
White
955 Participants
n=99 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=99 Participants
Race (NIH/OMB)
Unknown or Not Reported
38 Participants
n=99 Participants
Body Mass Index (BMI) at Screening
28.770 kg/m^2
STANDARD_DEVIATION 8.1079 • n=99 Participants

PRIMARY outcome

Timeframe: 10 months

Population: MITT population that included only those subjects whose diaries indicated that they used the study drug correctly for every act of intercourse for at least 1 menstrual cycle. Cycles in which the study drug was used incorrectly for 1 or more coital acts were removed, and the remaining cycles were aligned in order to provide contiguous cycles.

To evaluate the contraceptive efficacy of Amphora over 7-cycle of use

Outcome measures

Outcome measures
Measure
Interventional
n=1182 Participants
This is a single-arm, open-label, Phase III study of AMPHORA, a non-hormonal contraceptive, at 112 sites in the United States (US) over seven cycles of use in women aged 18 to 35 years who are at risk of pregnancy. AMPHORA: non-hormonal contraceptive vaginal gel
Number of Subjects With Pregnancy Outcomes to Measure Contraceptive Efficacy
100 Participants

SECONDARY outcome

Timeframe: 10 months

Population: All subjects enrolled into the study and who administered the study drug at least once.

Incidence of AE to evaluate safety

Outcome measures

Outcome measures
Measure
Interventional
n=1330 Participants
This is a single-arm, open-label, Phase III study of AMPHORA, a non-hormonal contraceptive, at 112 sites in the United States (US) over seven cycles of use in women aged 18 to 35 years who are at risk of pregnancy. AMPHORA: non-hormonal contraceptive vaginal gel
Number of Subjects With Adverse Events (AE)
Subjects with greater than or equal to 1 AE
601 Participants
Number of Subjects With Adverse Events (AE)
Subjects with greater than or equal to 1 SAE
17 Participants
Number of Subjects With Adverse Events (AE)
AE leading to early discontinuation
25 Participants
Number of Subjects With Adverse Events (AE)
Relationship of AEs: unlikely to be Related
186 Participants
Number of Subjects With Adverse Events (AE)
Relationship of AEs: possibly related
166 Participants
Number of Subjects With Adverse Events (AE)
Relationship of AEs: probably related
139 Participants
Number of Subjects With Adverse Events (AE)
Relationship of AEs: definitely related
108 Participants
Number of Subjects With Adverse Events (AE)
Relationship of AEs: not assessable
2 Participants
Number of Subjects With Adverse Events (AE)
Intensity of AEs: mild
318 Participants
Number of Subjects With Adverse Events (AE)
Intensity of AEs: moderate
249 Participants
Number of Subjects With Adverse Events (AE)
Intensity of AEs: severe
31 Participants
Number of Subjects With Adverse Events (AE)
Intensity of AEs: life-threatening
3 Participants
Number of Subjects With Adverse Events (AE)
Death
0 Participants

Adverse Events

Interventional

Serious events: 17 serious events
Other events: 601 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Interventional
n=1330 participants at risk
This is a single-arm, open-label, Phase III study of AMPHORA, a non-hormonal contraceptive, at 112 sites in the United States (US) over seven cycles of use in women aged 18 to 35 years who are at risk of pregnancy. AMPHORA: non-hormonal contraceptive vaginal gel
Gastrointestinal disorders
Peritoneal haemorrhage
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Gastrointestinal disorders
Vomiting
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Hepatobiliary disorders
Cholelithiasis
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Infections and infestations
Cystitis
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Infections and infestations
Pneumonia
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Infections and infestations
Sepsis
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Injury, poisoning and procedural complications
Uterine rupture
0.15%
2/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Metabolism and nutrition disorders
Dehydration
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Hodgkin's disease
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Nervous system disorders
Status epilepticus
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Pregnancy, puerperium and perinatal conditions
Premature separation of placenta
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Psychiatric disorders
Alcohol withdrawal syndrome
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Psychiatric disorders
Bipolar I disorder
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Psychiatric disorders
Depression suicidal
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Reproductive system and breast disorders
Vaginal disorder
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Pregnancy, puerperium and perinatal conditions
Trisomy 21
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Pregnancy, puerperium and perinatal conditions
Preeclampsia
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Pregnancy, puerperium and perinatal conditions
Premature rupture of membrane
0.08%
1/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.

Other adverse events

Other adverse events
Measure
Interventional
n=1330 participants at risk
This is a single-arm, open-label, Phase III study of AMPHORA, a non-hormonal contraceptive, at 112 sites in the United States (US) over seven cycles of use in women aged 18 to 35 years who are at risk of pregnancy. AMPHORA: non-hormonal contraceptive vaginal gel
Infections and infestations
Bacterial vaginosis
2.8%
37/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Infections and infestations
Nasopharyngitis
2.6%
35/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Infections and infestations
Urinary tract infection
5.7%
76/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Infections and infestations
Vulvovaginal mycotic infection
2.9%
38/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Reproductive system and breast disorders
Vulvovaginal burning sensation
20.0%
266/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Reproductive system and breast disorders
Vulvovaginal pain
3.8%
51/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.
Reproductive system and breast disorders
Vulvovaginal pruritus
11.2%
149/1330 • 10 months
An AE was defined as any unfavorable and unintended sign (including abnormal laboratory finding), symptom, or disease temporally associated with the use of the study drug, whether or not it is considered related.

Additional Information

Chief Medical Officer

Evofem, Inc.

Phone: 858 550 1900

Results disclosure agreements

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

Restriction type: LTE60