Trial Outcomes & Findings for Compare Two Copper IUDs: Mona Lisa NT Cu380 Mini and ParaGard (NCT NCT03124160)

NCT ID: NCT03124160

Last Updated: 2024-09-25

Results Overview

Pearl Index is a measure of contraceptive efficacy used by the FDA that summarizes number of method failures per 100 person years

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

1105 participants

Primary outcome timeframe

3 years

Results posted on

2024-09-25

Participant Flow

Participant milestones

Participant milestones
Measure
Mona Lisa® NT Cu380 Mini
Mona Lisa® NT Cu380 Mini containing 380mm2 of copper surface inserted into the uterine cavity. Mona Lisa® NT Cu380 Mini: Mona Lisa® NT Cu380 Mini
ParaGard® TCu380A
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
Overall Study
STARTED
887
218
Overall Study
COMPLETED
426
91
Overall Study
NOT COMPLETED
461
127

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Compare Two Copper IUDs: Mona Lisa NT Cu380 Mini and ParaGard

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Mona Lisa® NT Cu380 Mini
n=887 Participants
Mona Lisa® NT Cu380 Mini containing 380mm2 of copper surface inserted into the uterine cavity. Mona Lisa® NT Cu380 Mini: Mona Lisa® NT Cu380 Mini
ParaGard® TCu380A
n=218 Participants
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
Total
n=1105 Participants
Total of all reporting groups
Age, Continuous
26.3 years
STANDARD_DEVIATION 5.23 • n=5 Participants
26.3 years
STANDARD_DEVIATION 4.96 • n=7 Participants
26.3 years
STANDARD_DEVIATION 5.19 • n=5 Participants
Sex: Female, Male
Female
887 Participants
n=5 Participants
218 Participants
n=7 Participants
1105 Participants
n=5 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
117 Participants
n=5 Participants
31 Participants
n=7 Participants
148 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
765 Participants
n=5 Participants
187 Participants
n=7 Participants
952 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
5 Participants
n=5 Participants
0 Participants
n=7 Participants
5 Participants
n=5 Participants
Number of Participants
887 Participants
n=5 Participants
218 Participants
n=7 Participants
1105 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 3 years

Population: includes only participants with an evaluable cycle for estimating efficacy

Pearl Index is a measure of contraceptive efficacy used by the FDA that summarizes number of method failures per 100 person years

Outcome measures

Outcome measures
Measure
Mona Lisa NT Cu380 Mini Participants <36 Years of Age
n=804 Participants
This is the FDA definition and uses evaluable cycles in the denominator and failures in the numerator, summarized in failures per 100 person years.
ParaGard® TCu380A
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
Pregnancy Rate of Mona Lisa Copper IUD Over 3 Years
1.86 Pearl Index = Num preg per 100 person yr
Interval 1.2 to 2.74

SECONDARY outcome

Timeframe: 3 years

Population: Participants with successful IUD insertion

IUD continuation at 36-months by product

Outcome measures

Outcome measures
Measure
Mona Lisa NT Cu380 Mini Participants <36 Years of Age
n=875 Participants
This is the FDA definition and uses evaluable cycles in the denominator and failures in the numerator, summarized in failures per 100 person years.
ParaGard® TCu380A
n=213 Participants
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
IUD Continuation
426 Participants
91 Participants

SECONDARY outcome

Timeframe: Immediate after IUD insertion attempt

Population: Treated population: uterus was successfully sounded and IUD insertion attempt was made

Failed IUD insertion as measured by inability to place the IUD correctly

Outcome measures

Outcome measures
Measure
Mona Lisa NT Cu380 Mini Participants <36 Years of Age
n=876 Participants
This is the FDA definition and uses evaluable cycles in the denominator and failures in the numerator, summarized in failures per 100 person years.
ParaGard® TCu380A
n=214 Participants
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
Failed IUD Insertion
1 participants
1 participants

SECONDARY outcome

Timeframe: 3 years

Population: User population

Uterine perforation as measured by ultrasound

Outcome measures

Outcome measures
Measure
Mona Lisa NT Cu380 Mini Participants <36 Years of Age
n=875 Participants
This is the FDA definition and uses evaluable cycles in the denominator and failures in the numerator, summarized in failures per 100 person years.
ParaGard® TCu380A
n=213 Participants
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
Uterine Perforation
1 Participants
0 Participants

SECONDARY outcome

Timeframe: 3 years

Population: user population

When the IUD is expelled from the uterus, either completely or partially.

Outcome measures

Outcome measures
Measure
Mona Lisa NT Cu380 Mini Participants <36 Years of Age
n=875 Participants
This is the FDA definition and uses evaluable cycles in the denominator and failures in the numerator, summarized in failures per 100 person years.
ParaGard® TCu380A
n=213 Participants
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
IUD Expulsion (Complete and Partial)
66 Participants
22 Participants

SECONDARY outcome

Timeframe: 1 year

Population: User population with evaluable cycles

Proportion of cycles with heavy bleeding (more than 4 sanitary products in a day)

Outcome measures

Outcome measures
Measure
Mona Lisa NT Cu380 Mini Participants <36 Years of Age
n=9292 Number of 28-day cycles
This is the FDA definition and uses evaluable cycles in the denominator and failures in the numerator, summarized in failures per 100 person years.
ParaGard® TCu380A
n=2185 Number of 28-day cycles
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
Vaginal Bleeding Patterns
54.4 percent
Interval 53.43 to 55.46
55.7 percent
Interval 53.54 to 57.75

SECONDARY outcome

Timeframe: 1 year

Percent of cycles with any pelvic pain will be calculated using all available cycles

Outcome measures

Outcome measures
Measure
Mona Lisa NT Cu380 Mini Participants <36 Years of Age
n=9292 Number of 28-day cycles
This is the FDA definition and uses evaluable cycles in the denominator and failures in the numerator, summarized in failures per 100 person years.
ParaGard® TCu380A
n=2185 Number of 28-day cycles
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
Pelvic Pain as Measured in the Subject Diary
72.3 percent
Interval 71.3 to 73.2
72.3 percent
Interval 70.4 to 74.1

SECONDARY outcome

Timeframe: 3 years

Population: User population

Number of participants who experienced any dysmenorrhea during the trial

Outcome measures

Outcome measures
Measure
Mona Lisa NT Cu380 Mini Participants <36 Years of Age
n=875 Participants
This is the FDA definition and uses evaluable cycles in the denominator and failures in the numerator, summarized in failures per 100 person years.
ParaGard® TCu380A
n=213 Participants
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
Dysmenorrhea
396 Participants
100 Participants

SECONDARY outcome

Timeframe: Pain level 10 minutes after IUD insertion

Population: User population

Pain level on scale of 0=no pain to 10=worst imaginable pain as displayed on a paper form for study subject to indicate their level of pain

Outcome measures

Outcome measures
Measure
Mona Lisa NT Cu380 Mini Participants <36 Years of Age
n=875 Participants
This is the FDA definition and uses evaluable cycles in the denominator and failures in the numerator, summarized in failures per 100 person years.
ParaGard® TCu380A
n=213 Participants
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
Pain With and Shortly After Insertion as Recorded by Study Subjects
1.8 units on a scale
Standard Deviation 1.92
2.1 units on a scale
Standard Deviation 1.83

SECONDARY outcome

Timeframe: Right after IUD insertion

Investigator to assess ease of IUD insertion (easy, somewhat easy, somewhat hard or hard)

Outcome measures

Outcome measures
Measure
Mona Lisa NT Cu380 Mini Participants <36 Years of Age
n=875 Participants
This is the FDA definition and uses evaluable cycles in the denominator and failures in the numerator, summarized in failures per 100 person years.
ParaGard® TCu380A
n=213 Participants
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
Ease of IUD Insertion as Recorded by the Investigator
Somewhat easy
132 Participants
43 Participants
Ease of IUD Insertion as Recorded by the Investigator
Easy
694 Participants
161 Participants
Ease of IUD Insertion as Recorded by the Investigator
Somewhat hard
41 Participants
6 Participants
Ease of IUD Insertion as Recorded by the Investigator
Hard
8 Participants
3 Participants

SECONDARY outcome

Timeframe: 3 years

Population: User population

Overall product satisfaction level at exit visit (highly satisfied, satisfied, dissatisfied, highly dissatisfied)

Outcome measures

Outcome measures
Measure
Mona Lisa NT Cu380 Mini Participants <36 Years of Age
n=761 Participants
This is the FDA definition and uses evaluable cycles in the denominator and failures in the numerator, summarized in failures per 100 person years.
ParaGard® TCu380A
n=194 Participants
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
Overall Product Satisfaction as Measured by Acceptability Questions Asked of Subjects
Highly satisfied
364 Participants
92 Participants
Overall Product Satisfaction as Measured by Acceptability Questions Asked of Subjects
Satisfied
248 Participants
49 Participants
Overall Product Satisfaction as Measured by Acceptability Questions Asked of Subjects
Dissatisfied
118 Participants
43 Participants
Overall Product Satisfaction as Measured by Acceptability Questions Asked of Subjects
Highly dissatisfied
31 Participants
10 Participants

Adverse Events

Mona Lisa® NT Cu380 Mini

Serious events: 32 serious events
Other events: 742 other events
Deaths: 0 deaths

ParaGard® TCu380A

Serious events: 3 serious events
Other events: 183 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Mona Lisa® NT Cu380 Mini
n=875 participants at risk;n=887 participants at risk
Mona Lisa® NT Cu380 Mini containing 380mm2 of copper surface inserted into the uterine cavity. Mona Lisa® NT Cu380 Mini: Mona Lisa® NT Cu380 Mini
ParaGard® TCu380A
n=213 participants at risk;n=218 participants at risk
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
Infections and infestations
appendicitis
0.90%
8/887 • Number of events 8 • 3 years
0.00%
0/218 • 3 years
Infections and infestations
pyelonephritis
0.45%
4/887 • Number of events 4 • 3 years
0.00%
0/218 • 3 years
Infections and infestations
infected bite
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Infections and infestations
tubo-ovarian abscess
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Gastrointestinal disorders
enteritis
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Gastrointestinal disorders
food poisoning
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Gastrointestinal disorders
gastrointestinal pain
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Gastrointestinal disorders
inflammatory bowel disease
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Gastrointestinal disorders
oesophageal achalasia
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Gastrointestinal disorders
oesophagitis
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Psychiatric disorders
suicidal ideation
0.23%
2/887 • Number of events 2 • 3 years
0.00%
0/218 • 3 years
Psychiatric disorders
suicidal attempt
0.23%
2/887 • Number of events 2 • 3 years
0.00%
0/218 • 3 years
Psychiatric disorders
dependence
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Psychiatric disorders
depression
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Injury, poisoning and procedural complications
limb injury
0.00%
0/887 • 3 years
0.46%
1/218 • Number of events 1 • 3 years
Injury, poisoning and procedural complications
open fracture
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Injury, poisoning and procedural complications
overdose
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Injury, poisoning and procedural complications
uterine perforation
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Immune system disorders
anaphylactic reaction
0.23%
2/887 • Number of events 2 • 3 years
0.00%
0/218 • 3 years
Pregnancy, puerperium and perinatal conditions
ectopic pregnancy
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Pregnancy, puerperium and perinatal conditions
premature delivery
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Surgical and medical procedures
appendicectomy
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Surgical and medical procedures
thyroid nodule removal
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Cardiac disorders
myocardial infarction
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
General disorders
non-cardiac chest pain
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Hepatobiliary disorders
cholecystitis
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Metabolism and nutrition disorders
diabetic ketoacidosis
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
thyroid cancer
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Reproductive system and breast disorders
ovarian mass
0.00%
0/887 • 3 years
0.46%
1/218 • Number of events 1 • 3 years
Respiratory, thoracic and mediastinal disorders
asthma
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years
Skin and subcutaneous tissue disorders
rash
0.00%
0/887 • 3 years
0.46%
1/218 • Number of events 1 • 3 years
Vascular disorders
pre-eclampsia
0.11%
1/887 • Number of events 1 • 3 years
0.00%
0/218 • 3 years

Other adverse events

Other adverse events
Measure
Mona Lisa® NT Cu380 Mini
n=875 participants at risk;n=887 participants at risk
Mona Lisa® NT Cu380 Mini containing 380mm2 of copper surface inserted into the uterine cavity. Mona Lisa® NT Cu380 Mini: Mona Lisa® NT Cu380 Mini
ParaGard® TCu380A
n=213 participants at risk;n=218 participants at risk
ParaGard® TCU380A containing 380mm2 of copper surface inserted into the uterine cavity. ParaGard® TCu380A: ParaGard® TCu380A
Gastrointestinal disorders
abdominal pain
7.0%
61/875 • Number of events 80 • 3 years
7.5%
16/213 • Number of events 23 • 3 years
Infections and infestations
bacterial vaginosis
5.5%
48/875 • Number of events 60 • 3 years
5.2%
11/213 • Number of events 12 • 3 years
Reproductive system and breast disorders
dysmenorrhoea
44.6%
390/875 • Number of events 494 • 3 years
46.9%
100/213 • Number of events 123 • 3 years
Reproductive system and breast disorders
menorrhagia
36.0%
315/875 • Number of events 477 • 3 years
38.5%
82/213 • Number of events 112 • 3 years
Reproductive system and breast disorders
metrorrhagia
28.6%
250/875 • Number of events 334 • 3 years
25.4%
54/213 • Number of events 61 • 3 years
Reproductive system and breast disorders
pelvic pain
21.3%
186/875 • Number of events 246 • 3 years
21.6%
46/213 • Number of events 48 • 3 years
Reproductive system and breast disorders
uterine spasm
8.1%
71/875 • Number of events 101 • 3 years
10.3%
22/213 • Number of events 34 • 3 years
Reproductive system and breast disorders
dyspareunia
7.0%
61/875 • Number of events 64 • 3 years
3.8%
8/213 • Number of events 8 • 3 years
Injury, poisoning and procedural complications
procedural pain
58.4%
511/875 • Number of events 574 • 3 years
63.4%
135/213 • Number of events 150 • 3 years

Additional Information

David Hubacher

FHI 360

Phone: +1-919-321-3459

Results disclosure agreements

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