Trial Outcomes & Findings for Comparing Bioavailability When Preservative-free Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL) is Administered as an Intramuscular Manual Injection or as a Subcutaneous Injection Using an Auto-injector in Healthy Post-menopausal Women (NCT NCT02940522)

NCT ID: NCT02940522

Last Updated: 2022-04-28

Results Overview

Comparison of areas under the curve (AUC) to the last time with a concentration ≥ LLOQ \[AUC0-t\] and to infinity \[AUCinf\] for the Primary PK Population

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

122 participants

Primary outcome timeframe

9 weeks

Results posted on

2022-04-28

Participant Flow

Participant milestones

Participant milestones
Measure
Treatment A
Subcutaneous (SQ) injection using an autoinjector Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Treatment B
Intramuscular injection (IM) using syringe and needle Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Overall Study
STARTED
59
61
Overall Study
COMPLETED
57
59
Overall Study
NOT COMPLETED
2
2

Reasons for withdrawal

Reasons for withdrawal
Measure
Treatment A
Subcutaneous (SQ) injection using an autoinjector Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Treatment B
Intramuscular injection (IM) using syringe and needle Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Overall Study
Lost to Follow-up
1
2
Overall Study
Withdrawal by Subject
1
0

Baseline Characteristics

Comparing Bioavailability When Preservative-free Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL) is Administered as an Intramuscular Manual Injection or as a Subcutaneous Injection Using an Auto-injector in Healthy Post-menopausal Women

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Treatment A
n=59 Participants
Subcutaneous (SQ) injection using an autoinjector Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Treatment B
n=61 Participants
Intramuscular injection (IM) using syringe and needle Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Total
n=120 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
Age, Categorical
Between 18 and 65 years
47 Participants
n=5 Participants
53 Participants
n=7 Participants
100 Participants
n=5 Participants
Age, Categorical
>=65 years
12 Participants
n=5 Participants
8 Participants
n=7 Participants
20 Participants
n=5 Participants
Age, Continuous
59.7 years
STANDARD_DEVIATION 6.16 • n=5 Participants
57.0 years
STANDARD_DEVIATION 5.68 • n=7 Participants
58.4 years
STANDARD_DEVIATION 6.05 • n=5 Participants
Sex: Female, Male
Female
59 Participants
n=5 Participants
61 Participants
n=7 Participants
120 Participants
n=5 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
59 participants
n=5 Participants
61 participants
n=7 Participants
120 participants
n=5 Participants

PRIMARY outcome

Timeframe: 9 weeks

Population: The Primary PK Population consisted of 45 subjects each for both treatments for whom whole blood was analyzed. Subjects were excluded from Treatment A and Treatment B due to insufficient number of samples for planned analyses.

Comparison of areas under the curve (AUC) to the last time with a concentration ≥ LLOQ \[AUC0-t\] and to infinity \[AUCinf\] for the Primary PK Population

Outcome measures

Outcome measures
Measure
Treatment A
n=45 Participants
Subcutaneous (SQ) injection using an autoinjector Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Treatment B
n=45 Participants
Intramuscular injection (IM) using syringe and needle Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Comparison of Areas Under the Curve (AUC) to the Last Time With a Concentration ≥ LLOQ [AUC0-t] and to Infinity [AUCinf]
AUC(0-t)
2,313 hr x ng/mL
Geometric Coefficient of Variation 23.5
2,098 hr x ng/mL
Geometric Coefficient of Variation 27.7
Comparison of Areas Under the Curve (AUC) to the Last Time With a Concentration ≥ LLOQ [AUC0-t] and to Infinity [AUCinf]
AUC(inf)
2,469 hr x ng/mL
Geometric Coefficient of Variation 22.8
2,175 hr x ng/mL
Geometric Coefficient of Variation 27.8

PRIMARY outcome

Timeframe: 9 weeks

Population: The Primary PK Population consisted of 45 subjects each for both treatments for whom whole blood was analyzed. Subjects were excluded from Treatment A and Treatment B due to insufficient number of samples for planned analyses.

Comparison of the maximum plasma concentration (Cmax) for the Primary PK Population

Outcome measures

Outcome measures
Measure
Treatment A
n=45 Participants
Subcutaneous (SQ) injection using an autoinjector Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Treatment B
n=45 Participants
Intramuscular injection (IM) using syringe and needle Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Comparison of the Maximum Plasma Concentration (Cmax)
7.88 ng/mL
Geometric Coefficient of Variation 71.9
6.91 ng/mL
Geometric Coefficient of Variation 62.9

SECONDARY outcome

Timeframe: 9 weeks

Population: The Primary PK Population consisted of 45 subjects each for both treatments for whom whole blood was analyzed. Subjects were excluded from Treatment A and Treatment B due to insufficient number of samples for planned analyses.

Comparison of PK parameter Tmax for the Primary PK population

Outcome measures

Outcome measures
Measure
Treatment A
n=45 Participants
Subcutaneous (SQ) injection using an autoinjector Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Treatment B
n=45 Participants
Intramuscular injection (IM) using syringe and needle Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Comparison of Tmax
48.1 hr
Interval 18.0 to 342.0
49.7 hr
Interval 2.0 to 336.0

SECONDARY outcome

Timeframe: 9 weeks

Population: The Primary PK Population consisted of 45 subjects each for both treatments for whom whole blood was analyzed. Subjects were excluded from Treatment A and Treatment B due to insufficient number of samples for planned analyses.

Comparison of PK Parameter AUC (0-168) for the Primary PK Population

Outcome measures

Outcome measures
Measure
Treatment A
n=45 Participants
Subcutaneous (SQ) injection using an autoinjector Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Treatment B
n=45 Participants
Intramuscular injection (IM) using syringe and needle Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Comparison of AUC (0-168)
813 hr x ng/mL
Geometric Coefficient of Variation 41.5
790 hr x ng/mL
Geometric Coefficient of Variation 55.5

SECONDARY outcome

Timeframe: 9 weeks

Population: The Primary PK Population consisted of 45 subjects each for both treatments for whom whole blood was analyzed. Subjects were excluded from Treatment A and Treatment B due to insufficient number of samples for planned analyses.

Comparison of PK parameter t1/2 for the Primary PK Population

Outcome measures

Outcome measures
Measure
Treatment A
n=39 Participants
Subcutaneous (SQ) injection using an autoinjector Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Treatment B
n=41 Participants
Intramuscular injection (IM) using syringe and needle Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Comparison of t1/2
212 hr
Geometric Coefficient of Variation 29.1
185 hr
Geometric Coefficient of Variation 25.5

SECONDARY outcome

Timeframe: 9 weeks

Population: The Primary PK Population consisted of 45 subjects each for both treatments for whom whole blood was analyzed. Subjects were excluded from Treatment A and Treatment B due to insufficient number of samples for planned analyses.

Comparison of the elimination rate constant for the Primary PK Population

Outcome measures

Outcome measures
Measure
Treatment A
n=39 Participants
Subcutaneous (SQ) injection using an autoinjector Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Treatment B
n=41 Participants
Intramuscular injection (IM) using syringe and needle Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Comparison of Elimination Rate Constant
0.0033 1/hr
Geometric Coefficient of Variation 29.1
0.0038 1/hr
Geometric Coefficient of Variation 25.5

Adverse Events

Treatment A

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

Treatment B

Serious events: 0 serious events
Other events: 23 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Treatment A
n=59 participants at risk
Subcutaneous (SQ) injection using an autoinjector Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
Treatment B
n=61 participants at risk
Intramuscular injection (IM) using syringe and needle Makena® (Hydroxyprogesterone Caproate Injection, 250 mg/mL)
General disorders
Injection site pain
37.3%
22/59 • Number of events 25 • 9 weeks.
8.2%
5/61 • Number of events 6 • 9 weeks.
General disorders
Injection site bruising
0.00%
0/59 • 9 weeks.
1.6%
1/61 • Number of events 1 • 9 weeks.
General disorders
Injection site discoloration
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
General disorders
Injection site erythema
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
General disorders
Injection site inflammation
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
General disorders
Injection site paraesthesia
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
General disorders
Injection site pruritis
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
General disorders
Pyrexia
0.00%
0/59 • 9 weeks.
1.6%
1/61 • Number of events 1 • 9 weeks.
General disorders
Vessel puncture site reaction
0.00%
0/59 • 9 weeks.
1.6%
1/61 • Number of events 1 • 9 weeks.
Nervous system disorders
Headache
15.3%
9/59 • Number of events 9 • 9 weeks.
16.4%
10/61 • Number of events 10 • 9 weeks.
Nervous system disorders
Dizziness
1.7%
1/59 • Number of events 1 • 9 weeks.
1.6%
1/61 • Number of events 1 • 9 weeks.
Infections and infestations
Upper respiratory tract infection
1.7%
1/59 • Number of events 1 • 9 weeks.
4.9%
3/61 • Number of events 3 • 9 weeks.
Infections and infestations
Nasopharyngitis
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
Infections and infestations
Tooth abscess
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
Infections and infestations
Urinary tract infection
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
Gastrointestinal disorders
Diarrhoea
5.1%
3/59 • Number of events 3 • 9 weeks.
1.6%
1/61 • Number of events 1 • 9 weeks.
Gastrointestinal disorders
Nausea
1.7%
1/59 • Number of events 2 • 9 weeks.
1.6%
1/61 • Number of events 1 • 9 weeks.
Gastrointestinal disorders
Abdominal discomfort
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
Gastrointestinal disorders
Vomiting
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
Injury, poisoning and procedural complications
Arthropod bite
0.00%
0/59 • 9 weeks.
1.6%
1/61 • Number of events 1 • 9 weeks.
Injury, poisoning and procedural complications
Laceration
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
Injury, poisoning and procedural complications
Ligament sprain
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
Injury, poisoning and procedural complications
Thermal burn
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
Injury, poisoning and procedural complications
Tooth fracture
0.00%
0/59 • 9 weeks.
1.6%
1/61 • Number of events 1 • 9 weeks.
Vascular disorders
Hot flush
3.4%
2/59 • Number of events 2 • 9 weeks.
1.6%
1/61 • Number of events 1 • 9 weeks.
Investigations
Gamma-glutamyltransferase increased
1.7%
1/59 • Number of events 1 • 9 weeks.
0.00%
0/61 • 9 weeks.
Musculoskeletal and connective tissue disorders
Back pain
0.00%
0/59 • 9 weeks.
1.6%
1/61 • Number of events 1 • 9 weeks.
Respiratory, thoracic and mediastinal disorders
Nasal congestion
0.00%
0/59 • 9 weeks.
1.6%
1/61 • Number of events 1 • 9 weeks.
Skin and subcutaneous tissue disorders
Rash
0.00%
0/59 • 9 weeks.
1.6%
1/61 • Number of events 1 • 9 weeks.

Additional Information

Medical Information

AMAG Pharmaceuticals, Inc.

Results disclosure agreements

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