Trial Outcomes & Findings for Drug Interaction With Proton Pump Inhibitors for Nifedipine ER Tablets (NCT NCT03100838)

NCT ID: NCT03100838

Last Updated: 2019-08-16

Results Overview

Measurement of plasma nifedipine prior to dosing and at times 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 20, 24, 36 and 48 hr after nifedipine administration.

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

64 participants

Primary outcome timeframe

48 hours

Results posted on

2019-08-16

Participant Flow

A total of 64 subjects were dosed.

Participant milestones

Participant milestones
Measure
Sequence 1 (ABCD)
A Generic 1 x 60 mg Nifedipine extended-release tablet B Brand (Procardia XL) 1 x 60 mg Nifedipine extended-release tablet C Generic+PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules D Brand (Procardia XL) +PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules A washout period of at least 14 days occurs between each intervention. SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Sequence 2 (BCDA)
A Generic 1 x 60 mg Nifedipine extended-release tablet B Brand (Procardia XL) 1 x 60 mg Nifedipine extended-release tablet C Generic+PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules D Brand (Procardia XL) +PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules A washout period of at least 14 days occurs between each intervention. SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Sequence 3 (CDAB)
A Generic 1 x 60 mg Nifedipine extended-release tablet B Brand (Procardia) 1 x 60 mg Nifedipine extended-release tablet C Generic+PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules D Brand (Procardia) +PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules A washout period of at least 14 days occurs between each intervention. SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Sequence 4 (DABC)
A Generic 1 x 60 mg Nifedipine extended-release tablet B Brand (Procardia XL) 1 x 60 mg Nifedipine extended-release tablet C Generic+PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules D Brand (Procardia XL) +PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules A washout period of at least 14 days occurs between each intervention. SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Overall Study
STARTED
16
16
16
16
Overall Study
COMPLETED
14
14
14
15
Overall Study
NOT COMPLETED
2
2
2
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Sequence 1 (ABCD)
A Generic 1 x 60 mg Nifedipine extended-release tablet B Brand (Procardia XL) 1 x 60 mg Nifedipine extended-release tablet C Generic+PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules D Brand (Procardia XL) +PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules A washout period of at least 14 days occurs between each intervention. SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Sequence 2 (BCDA)
A Generic 1 x 60 mg Nifedipine extended-release tablet B Brand (Procardia XL) 1 x 60 mg Nifedipine extended-release tablet C Generic+PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules D Brand (Procardia XL) +PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules A washout period of at least 14 days occurs between each intervention. SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Sequence 3 (CDAB)
A Generic 1 x 60 mg Nifedipine extended-release tablet B Brand (Procardia) 1 x 60 mg Nifedipine extended-release tablet C Generic+PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules D Brand (Procardia) +PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules A washout period of at least 14 days occurs between each intervention. SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Sequence 4 (DABC)
A Generic 1 x 60 mg Nifedipine extended-release tablet B Brand (Procardia XL) 1 x 60 mg Nifedipine extended-release tablet C Generic+PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules D Brand (Procardia XL) +PPI (antacids) 1 x 60 mg Nifedipine extended-release tablet 7 x 40 mg omeprazole/1100 mg sodium bicarbonate capsules A washout period of at least 14 days occurs between each intervention. SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Overall Study
Adverse Event
1
0
0
0
Overall Study
Physician Decision
1
1
1
1
Overall Study
Pregnancy
0
1
0
0
Overall Study
Lost to Follow-up
0
0
1
0

Baseline Characteristics

Drug Interaction With Proton Pump Inhibitors for Nifedipine ER Tablets

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
All Participants
n=59 Participants
Participants were randomized to one of the four sequences and were to receive all interventions.
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
59 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
Sex: Female, Male
Female
40 Participants
n=5 Participants
Sex: Female, Male
Male
19 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
32 Participants
n=5 Participants
Race (NIH/OMB)
White
21 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
5 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 48 hours

Measurement of plasma nifedipine prior to dosing and at times 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 20, 24, 36 and 48 hr after nifedipine administration.

Outcome measures

Outcome measures
Measure
Nifedipine (Generic)
n=59 Participants
1 x 60 mg Nifedipine extended-release tablet NIFEdipine 60 MG: Test Drug SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nifedipine (Brand)
n=59 Participants
1 x 60 mg PROCARDIA XL (nifedipine) extended-release tablet NIFEdipine 60 MG: Reference Drug SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nifedipine (Generic) + PPI
n=57 Participants
1 x 40 mg/1100 mg omeprazole/sodium bicarbonate capsule daily over a period of 7 days + 1 x 60 mg Nifedipine extended-release tablet on day 7 NIFEdipine 60 MG: Test Drug omeprazole/sodium bicarbonate: Proton Pump Inhibitor/Antacid for drug-drug interaction
Nifedipine (Brand) + PPI
n=55 Participants
1 x 40 mg/1100 mg omeprazole/sodium bicarbonate capsule daily over a period of 7 days + 1 x 60 mg PROCARDIA XL (nifedipine) extended-release tablet on day 7 NIFEdipine 60 MG: Reference Drug omeprazole/sodium bicarbonate: Proton Pump Inhibitor/Antacid for drug-drug interaction
Maximum Plasma Concentration (Cmax)
94.37 ng/mL
Standard Deviation 42.42
43.84 ng/mL
Standard Deviation 44.07
106.35 ng/mL
Standard Deviation 43.67
51.65 ng/mL
Standard Deviation 32.47

PRIMARY outcome

Timeframe: 48 hours

Measurement of plasma nifedipine prior to dosing and at times 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 20, 24, 36 and 48 hr after nifedipine administration.

Outcome measures

Outcome measures
Measure
Nifedipine (Generic)
n=59 Participants
1 x 60 mg Nifedipine extended-release tablet NIFEdipine 60 MG: Test Drug SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nifedipine (Brand)
n=59 Participants
1 x 60 mg PROCARDIA XL (nifedipine) extended-release tablet NIFEdipine 60 MG: Reference Drug SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nifedipine (Generic) + PPI
n=59 Participants
1 x 40 mg/1100 mg omeprazole/sodium bicarbonate capsule daily over a period of 7 days + 1 x 60 mg Nifedipine extended-release tablet on day 7 NIFEdipine 60 MG: Test Drug omeprazole/sodium bicarbonate: Proton Pump Inhibitor/Antacid for drug-drug interaction
Nifedipine (Brand) + PPI
n=59 Participants
1 x 40 mg/1100 mg omeprazole/sodium bicarbonate capsule daily over a period of 7 days + 1 x 60 mg PROCARDIA XL (nifedipine) extended-release tablet on day 7 NIFEdipine 60 MG: Reference Drug omeprazole/sodium bicarbonate: Proton Pump Inhibitor/Antacid for drug-drug interaction
Time at Maximum Plasma Concentration (Tmax)
4 hr
Interval 2.0 to 16.0
16 hr
Interval 3.0 to 36.0
6 hr
Interval 3.0 to 24.0
16 hr
Interval 5.0 to 36.02

PRIMARY outcome

Timeframe: 48 hours

Time curve from time zero to last measurable concentration. Measurement of plasma nifedipine prior to dosing and at times 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 20, 24, 36 and 48 hr after nifedipine administration.

Outcome measures

Outcome measures
Measure
Nifedipine (Generic)
n=59 Participants
1 x 60 mg Nifedipine extended-release tablet NIFEdipine 60 MG: Test Drug SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nifedipine (Brand)
n=59 Participants
1 x 60 mg PROCARDIA XL (nifedipine) extended-release tablet NIFEdipine 60 MG: Reference Drug SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nifedipine (Generic) + PPI
n=59 Participants
1 x 40 mg/1100 mg omeprazole/sodium bicarbonate capsule daily over a period of 7 days + 1 x 60 mg Nifedipine extended-release tablet on day 7 NIFEdipine 60 MG: Test Drug omeprazole/sodium bicarbonate: Proton Pump Inhibitor/Antacid for drug-drug interaction
Nifedipine (Brand) + PPI
n=59 Participants
1 x 40 mg/1100 mg omeprazole/sodium bicarbonate capsule daily over a period of 7 days + 1 x 60 mg PROCARDIA XL (nifedipine) extended-release tablet on day 7 NIFEdipine 60 MG: Reference Drug omeprazole/sodium bicarbonate: Proton Pump Inhibitor/Antacid for drug-drug interaction
Area Under the Concentration (AUC 0-t)
1166.21 ng.h/mL
Standard Deviation 45.64
1061.49 ng.h/mL
Standard Deviation 47.52
1514.83 ng.h/mL
Standard Deviation 29.95
1239.26 ng.h/mL
Standard Deviation 40.68

PRIMARY outcome

Timeframe: 48 hours

The apparent terminal exponential half-life. Measurement of plasma nifedipine prior to dosing and at times 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 20, 24, 36 and 48 hr after nifedipine administration.

Outcome measures

Outcome measures
Measure
Nifedipine (Generic)
n=59 Participants
1 x 60 mg Nifedipine extended-release tablet NIFEdipine 60 MG: Test Drug SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nifedipine (Brand)
n=59 Participants
1 x 60 mg PROCARDIA XL (nifedipine) extended-release tablet NIFEdipine 60 MG: Reference Drug SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nifedipine (Generic) + PPI
n=59 Participants
1 x 40 mg/1100 mg omeprazole/sodium bicarbonate capsule daily over a period of 7 days + 1 x 60 mg Nifedipine extended-release tablet on day 7 NIFEdipine 60 MG: Test Drug omeprazole/sodium bicarbonate: Proton Pump Inhibitor/Antacid for drug-drug interaction
Nifedipine (Brand) + PPI
n=59 Participants
1 x 40 mg/1100 mg omeprazole/sodium bicarbonate capsule daily over a period of 7 days + 1 x 60 mg PROCARDIA XL (nifedipine) extended-release tablet on day 7 NIFEdipine 60 MG: Reference Drug omeprazole/sodium bicarbonate: Proton Pump Inhibitor/Antacid for drug-drug interaction
Half-life
8.59 hr
Standard Deviation 33.15
11.29 hr
Standard Deviation 82.39
8.10 hr
Standard Deviation 32.64
12.71 hr
Standard Deviation 119.78

SECONDARY outcome

Timeframe: 66 days

Reported from the start of the first session to the follow-up visit.

Outcome measures

Outcome measures
Measure
Nifedipine (Generic)
n=59 Participants
1 x 60 mg Nifedipine extended-release tablet NIFEdipine 60 MG: Test Drug SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nifedipine (Brand)
n=59 Participants
1 x 60 mg PROCARDIA XL (nifedipine) extended-release tablet NIFEdipine 60 MG: Reference Drug SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nifedipine (Generic) + PPI
n=59 Participants
1 x 40 mg/1100 mg omeprazole/sodium bicarbonate capsule daily over a period of 7 days + 1 x 60 mg Nifedipine extended-release tablet on day 7 NIFEdipine 60 MG: Test Drug omeprazole/sodium bicarbonate: Proton Pump Inhibitor/Antacid for drug-drug interaction
Nifedipine (Brand) + PPI
n=59 Participants
1 x 40 mg/1100 mg omeprazole/sodium bicarbonate capsule daily over a period of 7 days + 1 x 60 mg PROCARDIA XL (nifedipine) extended-release tablet on day 7 NIFEdipine 60 MG: Reference Drug omeprazole/sodium bicarbonate: Proton Pump Inhibitor/Antacid for drug-drug interaction
Adverse Events
37 Events
19 Events
51 Events
38 Events

Adverse Events

Nifedipine (Generic)

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

Nifedipine (Brand)

Serious events: 0 serious events
Other events: 15 other events
Deaths: 0 deaths

Nifedipine (Generic) + PPI

Serious events: 0 serious events
Other events: 38 other events
Deaths: 0 deaths

Nifedipine (Brand) + PPI

Serious events: 0 serious events
Other events: 28 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Nifedipine (Generic)
n=59 participants at risk
1 x 60 mg Nifedipine extended-release tablet NIFEdipine 60 MG: Test Drug SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nifedipine (Brand)
n=59 participants at risk
1 x 60 mg PROCARDIA XL (nifedipine) extended-release tablet NIFEdipine 60 MG: Reference Drug SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nifedipine (Generic) + PPI
n=59 participants at risk
1 x 40 mg/1100 mg omeprazole/sodium bicarbonate capsule daily over a period of 8 days + 60 mg Nifedipine extended-release tablet on day 7 NIFEdipine 60 MG: Test Drug omeprazole/sodium bicarbonate: Proton Pump Inhibitor/Antacid for drug-drug interaction SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nifedipine (Brand) + PPI
n=59 participants at risk
1 x 40 mg/1100 mg omeprazole/sodium bicarbonate capsule daily over a period of 8 days + 60 mg PROCARDIA XL (nifedipine) extended-release tablet on day 7 NIFEdipine 60 MG: Reference Drug omeprazole/sodium bicarbonate: Proton Pump Inhibitor/Antacid for drug-drug interaction SmartPill (TM): Gastric pH measurement using SmartPill (TM) Technology
Nervous system disorders
Headache
33.9%
20/59 • Approximately 2 months
23.7%
14/59 • Approximately 2 months
42.4%
25/59 • Approximately 2 months
37.3%
22/59 • Approximately 2 months
Gastrointestinal disorders
Constipation
1.7%
1/59 • Approximately 2 months
1.7%
1/59 • Approximately 2 months
8.5%
5/59 • Approximately 2 months
3.4%
2/59 • Approximately 2 months
Gastrointestinal disorders
Nausea
1.7%
1/59 • Approximately 2 months
0.00%
0/59 • Approximately 2 months
8.5%
5/59 • Approximately 2 months
3.4%
2/59 • Approximately 2 months
Gastrointestinal disorders
Vomiting
1.7%
1/59 • Approximately 2 months
0.00%
0/59 • Approximately 2 months
5.1%
3/59 • Approximately 2 months
3.4%
2/59 • Approximately 2 months

Additional Information

Dr. Minori Kinjo

USFDA

Phone: 240-40269118

Results disclosure agreements

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

Restriction type: LTE60