Trial Outcomes & Findings for A Drug-Drug Interaction Study to Evaluate the Effect of Rifampin on the Pharmacokinetics of Apremilast (NCT NCT01561963)

NCT ID: NCT01561963

Last Updated: 2021-06-09

Results Overview

Plasma concentrations of apremilast were determined by means of a validated, sensitive, and specific high performance liquid chromatography/tandem mass spectrometric (LC-MS/MS) assay.

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

21 participants

Primary outcome timeframe

Pre-dose and at 0.5, 1, 1.5, 2, 3, 5, 8, 12, 16, 24, 36, and 48 hours following apremilast dosing on Days 1, 5, and 20

Results posted on

2021-06-09

Participant Flow

This study was conducted at one clinical site in Overland Park, Kansas, USA.

Participant milestones

Participant milestones
Measure
Apremilast and Rifampin
Participants received the following 3 treatment regimens: Period 1: A single oral dose of 30 mg apremilast on Day 1; Period 2: A single oral dose of 30 mg apremilast followed 5 minutes later by a 30-minute intravenous (IV) infusion of 600 mg rifampin on Day 5; Period 3: Once daily oral doses of 600 mg rifampin for 15 days (from Day 7 to Day 21) with a single oral dose of 30 mg apremilast co-administered with the rifampin dose on Day 20.
Overall Study
STARTED
21
Overall Study
Received Period 1 Treatment
21
Overall Study
Received Period 2 Treatment
20
Overall Study
Received Period 3 Treatment
20
Overall Study
COMPLETED
20
Overall Study
NOT COMPLETED
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Apremilast and Rifampin
Participants received the following 3 treatment regimens: Period 1: A single oral dose of 30 mg apremilast on Day 1; Period 2: A single oral dose of 30 mg apremilast followed 5 minutes later by a 30-minute intravenous (IV) infusion of 600 mg rifampin on Day 5; Period 3: Once daily oral doses of 600 mg rifampin for 15 days (from Day 7 to Day 21) with a single oral dose of 30 mg apremilast co-administered with the rifampin dose on Day 20.
Overall Study
Adverse Event
1

Baseline Characteristics

A Drug-Drug Interaction Study to Evaluate the Effect of Rifampin on the Pharmacokinetics of Apremilast

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Apremilast and Rifampin
n=21 Participants
Participants received the following 3 treatment regimens: Period 1: A single oral dose of 30 mg apremilast on Day 1; Period 2: A single oral dose of 30 mg apremilast followed 5 minutes later by a 30-minute intravenous infusion of 600 mg rifampin on Day 5; Period 3: Once daily oral doses of 600 mg rifampin for 15 days (from Day 7 to Day 21) with a single oral dose of 30 mg apremilast co-administered with the rifampin dose on Day 20.
Age, Continuous
34 years
STANDARD_DEVIATION 9.6 • n=99 Participants
Sex: Female, Male
Female
1 Participants
n=99 Participants
Sex: Female, Male
Male
20 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
20 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
Race/Ethnicity, Customized
White
12 Participants
n=99 Participants
Race/Ethnicity, Customized
Black or African American
9 Participants
n=99 Participants
Body Mass Index (BMI)
29.14 kg/m²
STANDARD_DEVIATION 2.974 • n=99 Participants

PRIMARY outcome

Timeframe: Pre-dose and at 0.5, 1, 1.5, 2, 3, 5, 8, 12, 16, 24, 36, and 48 hours following apremilast dosing on Days 1, 5, and 20

Population: The pharmacokinetic population included all participants who received at least one dose of apremilast and had evaluable PK profiles.

Plasma concentrations of apremilast were determined by means of a validated, sensitive, and specific high performance liquid chromatography/tandem mass spectrometric (LC-MS/MS) assay.

Outcome measures

Outcome measures
Measure
Apremilast Alone
n=21 Participants
Participants received a single oral dose of 30 mg apremilast on Day 1 (Period 1).
Apremilast + IV Rifampin
n=19 Participants
Participants received a single oral dose of 30 mg apremilast followed 5 minutes later by a 30-minute intravenous infusion of 600 mg rifampin on Day 5 (Period 2).
Apremilast + Multiple Dose Oral Rifampin
n=19 Participants
Participants received once daily oral doses of 600 mg rifampin for 15 days (from Day 7 to Day 21) with a single oral dose of 30 mg apremilast co-administered with the rifampin dose on Day 20 (Period 3).
Area Under the Plasma Concentration-time Curve From Time Zero to the Last Quantifiable Concentration (AUCt) of Apremilast
3070 ng*h/mL
Geometric Coefficient of Variation 31.3
2940 ng*h/mL
Geometric Coefficient of Variation 31.3
850 ng*h/mL
Geometric Coefficient of Variation 33.7

PRIMARY outcome

Timeframe: Pre-dose and at 0.5, 1, 1.5, 2, 3, 5, 8, 12, 16, 24, 36, and 48 hours following apremilast dosing on Days 1, 5, and 20

Population: The pharmacokinetic population included all participants who received at least one dose of apremilast and had evaluable PK profiles.

Plasma concentrations of apremilast were determined by means of a validated, sensitive, and specific high performance liquid chromatography/tandem mass spectrometric (LC-MS/MS) assay.

Outcome measures

Outcome measures
Measure
Apremilast Alone
n=21 Participants
Participants received a single oral dose of 30 mg apremilast on Day 1 (Period 1).
Apremilast + IV Rifampin
n=19 Participants
Participants received a single oral dose of 30 mg apremilast followed 5 minutes later by a 30-minute intravenous infusion of 600 mg rifampin on Day 5 (Period 2).
Apremilast + Multiple Dose Oral Rifampin
n=19 Participants
Participants received once daily oral doses of 600 mg rifampin for 15 days (from Day 7 to Day 21) with a single oral dose of 30 mg apremilast co-administered with the rifampin dose on Day 20 (Period 3).
Area Under the Plasma Concentration-time Curve From Time Zero Extrapolated to Infinity (AUC∞) of Apremilast
3120 ng*h/mL
Geometric Coefficient of Variation 31.5
2980 ng*h/mL
Geometric Coefficient of Variation 31.2
869 ng*h/mL
Geometric Coefficient of Variation 32.9

PRIMARY outcome

Timeframe: Pre-dose and at 0.5, 1, 1.5, 2, 3, 5, 8, 12, 16, 24, 36, and 48 hours following apremilast dosing on Days 1, 5, and 20

Population: The pharmacokinetic population included all participants who received at least one dose of apremilast and had evaluable PK profiles.

Plasma concentrations of apremilast were determined by means of a validated, sensitive, and specific high performance liquid chromatography/tandem mass spectrometric (LC-MS/MS) assay.

Outcome measures

Outcome measures
Measure
Apremilast Alone
n=21 Participants
Participants received a single oral dose of 30 mg apremilast on Day 1 (Period 1).
Apremilast + IV Rifampin
n=19 Participants
Participants received a single oral dose of 30 mg apremilast followed 5 minutes later by a 30-minute intravenous infusion of 600 mg rifampin on Day 5 (Period 2).
Apremilast + Multiple Dose Oral Rifampin
n=19 Participants
Participants received once daily oral doses of 600 mg rifampin for 15 days (from Day 7 to Day 21) with a single oral dose of 30 mg apremilast co-administered with the rifampin dose on Day 20 (Period 3).
Maximum Observed Plasma Concentration (Cmax) of Apremilast
290 ng/mL
Geometric Coefficient of Variation 24.5
331 ng/mL
Geometric Coefficient of Variation 25.1
166 ng/mL
Geometric Coefficient of Variation 23.2

PRIMARY outcome

Timeframe: Pre-dose and at 0.5, 1, 1.5, 2, 3, 5, 8, 12, 16, 24, 36, and 48 hours following apremilast dosing on Days 1, 5, and 20

Population: The pharmacokinetic population included all participants who received at least one dose of apremilast and had evaluable PK profiles.

Plasma concentrations of apremilast were determined by means of a validated, sensitive, and specific high performance liquid chromatography/tandem mass spectrometric (LC-MS/MS) assay.

Outcome measures

Outcome measures
Measure
Apremilast Alone
n=21 Participants
Participants received a single oral dose of 30 mg apremilast on Day 1 (Period 1).
Apremilast + IV Rifampin
n=19 Participants
Participants received a single oral dose of 30 mg apremilast followed 5 minutes later by a 30-minute intravenous infusion of 600 mg rifampin on Day 5 (Period 2).
Apremilast + Multiple Dose Oral Rifampin
n=19 Participants
Participants received once daily oral doses of 600 mg rifampin for 15 days (from Day 7 to Day 21) with a single oral dose of 30 mg apremilast co-administered with the rifampin dose on Day 20 (Period 3).
Time to Maximum Observed Plasma Concentration (Tmax) of Apremilast
2.00 hours
Interval 0.5 to 5.0
1.50 hours
Interval 0.5 to 5.0
1.00 hours
Interval 0.5 to 5.0

PRIMARY outcome

Timeframe: Pre-dose and at 0.5, 1, 1.5, 2, 3, 5, 8, 12, 16, 24, 36, and 48 hours following apremilast dosing on Days 1, 5, and 20

Population: The pharmacokinetic population included all participants who received at least one dose of apremilast and had evaluable PK profiles.

Plasma concentrations of apremilast were determined by means of a validated, sensitive, and specific high performance liquid chromatography/tandem mass spectrometric (LC-MS/MS) assay.

Outcome measures

Outcome measures
Measure
Apremilast Alone
n=21 Participants
Participants received a single oral dose of 30 mg apremilast on Day 1 (Period 1).
Apremilast + IV Rifampin
n=19 Participants
Participants received a single oral dose of 30 mg apremilast followed 5 minutes later by a 30-minute intravenous infusion of 600 mg rifampin on Day 5 (Period 2).
Apremilast + Multiple Dose Oral Rifampin
n=19 Participants
Participants received once daily oral doses of 600 mg rifampin for 15 days (from Day 7 to Day 21) with a single oral dose of 30 mg apremilast co-administered with the rifampin dose on Day 20 (Period 3).
Estimate of the Terminal Elimination Half-life (T1/2) of Apremilast in Plasma
8.12 hours
Geometric Coefficient of Variation 14.1
7.35 hours
Geometric Coefficient of Variation 18.5
6.13 hours
Geometric Coefficient of Variation 24.8

PRIMARY outcome

Timeframe: Pre-dose and at 0.5, 1, 1.5, 2, 3, 5, 8, 12, 16, 24, 36, and 48 hours following apremilast dosing on Days 1, 5, and 20

Population: The pharmacokinetic population included all participants who received at least one dose of apremilast and had evaluable PK profiles.

Plasma concentrations of apremilast were determined by means of a validated, sensitive, and specific high performance liquid chromatography/tandem mass spectrometric (LC-MS/MS) assay.

Outcome measures

Outcome measures
Measure
Apremilast Alone
n=21 Participants
Participants received a single oral dose of 30 mg apremilast on Day 1 (Period 1).
Apremilast + IV Rifampin
n=19 Participants
Participants received a single oral dose of 30 mg apremilast followed 5 minutes later by a 30-minute intravenous infusion of 600 mg rifampin on Day 5 (Period 2).
Apremilast + Multiple Dose Oral Rifampin
n=19 Participants
Participants received once daily oral doses of 600 mg rifampin for 15 days (from Day 7 to Day 21) with a single oral dose of 30 mg apremilast co-administered with the rifampin dose on Day 20 (Period 3).
Apparent Total Plasma Clearance (CL/F) of Apremilast
9.60 L/h
Geometric Coefficient of Variation 31.5
10.1 L/h
Geometric Coefficient of Variation 31.2
34.5 L/h
Geometric Coefficient of Variation 32.9

PRIMARY outcome

Timeframe: Pre-dose and at 0.5, 1, 1.5, 2, 3, 5, 8, 12, 16, 24, 36, and 48 hours following apremilast dosing on Days 1, 5, and 20

Population: The pharmacokinetic population included all participants who received at least one dose of apremilast and had evaluable PK profiles.

Plasma concentrations of apremilast were determined by means of a validated, sensitive, and specific high performance liquid chromatography/tandem mass spectrometric (LC-MS/MS) assay.

Outcome measures

Outcome measures
Measure
Apremilast Alone
n=21 Participants
Participants received a single oral dose of 30 mg apremilast on Day 1 (Period 1).
Apremilast + IV Rifampin
n=19 Participants
Participants received a single oral dose of 30 mg apremilast followed 5 minutes later by a 30-minute intravenous infusion of 600 mg rifampin on Day 5 (Period 2).
Apremilast + Multiple Dose Oral Rifampin
n=19 Participants
Participants received once daily oral doses of 600 mg rifampin for 15 days (from Day 7 to Day 21) with a single oral dose of 30 mg apremilast co-administered with the rifampin dose on Day 20 (Period 3).
Apparent Volume of Distribution (Vz/F) of Apremilast
112 liters
Geometric Coefficient of Variation 35.8
107 liters
Geometric Coefficient of Variation 43.4
305 liters
Geometric Coefficient of Variation 51.6

Adverse Events

Apremilast Alone

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Apremilast + IV Rifampin

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

Apremilast + Multiple Dose Oral Rifampin

Serious events: 0 serious events
Other events: 9 other events
Deaths: 0 deaths

Overall Study - All Treatment Regimens

Serious events: 0 serious events
Other events: 12 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Apremilast Alone
n=21 participants at risk
Participants received a single oral dose of 30 mg apremilast on Day 1 (Period 1).
Apremilast + IV Rifampin
n=20 participants at risk
Participants received a single oral dose of 30 mg apremilast followed 5 minutes later by a 30-minute intravenous infusion of 600 mg rifampin on Day 5 (Period 2).
Apremilast + Multiple Dose Oral Rifampin
n=20 participants at risk
Participants received once daily oral doses of 600 mg rifampin for 15 days (from Day 7 to Day 21) with a single oral dose of 30 mg apremilast co-administered with the rifampin dose on Day 20 (Period 3).
Overall Study - All Treatment Regimens
n=21 participants at risk
Participants received the following 3 treatment regimens: Period 1: A single oral dose of 30 mg apremilast on Day 1; Period 2: A single oral dose of 30 mg apremilast followed 5 minutes later by a 30-minute intravenous infusion of 600 mg rifampin on Day 5; Period 3: Once daily oral doses of 600 mg rifampin for 15 days (from Day 7 to Day 21) with a single oral dose of 30 mg apremilast co-administered with the rifampin dose on Day 20.
Eye disorders
CONJUNCTIVAL HYPERAEMIA
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Gastrointestinal disorders
ABDOMINAL PAIN LOWER
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Gastrointestinal disorders
ABDOMINAL PAIN UPPER
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Gastrointestinal disorders
DIARRHOEA
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Gastrointestinal disorders
DYSPHAGIA
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
General disorders
ASTHENIA
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
General disorders
CHILLS
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
General disorders
FEELING HOT
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
General disorders
INFUSION SITE ERYTHEMA
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Infections and infestations
RHINITIS
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
10.0%
2/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
9.5%
2/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Investigations
BLOOD CREATINE PHOSPHOKINASE INCREASED
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Investigations
HEPATIC ENZYME INCREASED
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Musculoskeletal and connective tissue disorders
BACK PAIN
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Musculoskeletal and connective tissue disorders
GROIN PAIN
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Musculoskeletal and connective tissue disorders
MUSCLE TWITCHING
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Musculoskeletal and connective tissue disorders
MUSCULOSKELETAL CHEST PAIN
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Musculoskeletal and connective tissue disorders
MUSCULOSKELETAL PAIN
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Musculoskeletal and connective tissue disorders
MYALGIA
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Musculoskeletal and connective tissue disorders
PAIN IN EXTREMITY
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Nervous system disorders
HEADACHE
9.5%
2/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
19.0%
4/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Nervous system disorders
MUSCLE CONTRACTIONS INVOLUNTARY
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Renal and urinary disorders
DYSURIA
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Reproductive system and breast disorders
TESTICULAR PAIN
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Respiratory, thoracic and mediastinal disorders
EPISTAXIS
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Respiratory, thoracic and mediastinal disorders
NASAL CONGESTION
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
Respiratory, thoracic and mediastinal disorders
RHINORRHOEA
0.00%
0/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
0.00%
0/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
5.0%
1/20 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days
4.8%
1/21 • Period 1 (Apremilast Alone): Day 1 to day 4; Period 2 (Apremilast + IV Rifampin): Day 5 to day 6; Period 3 (Apremilast + Multiple Dose Oral Rifampin): Day 7 up to day 32; Overall Study (All Treatment Regimens): Up to 32 days

Additional Information

Study Director

Amgen Inc.

Phone: 866-572-6436

Results disclosure agreements

  • Principal investigator is a sponsor employee The Clinical Trial Agreement generally does not restrict an investigator's discussion of trial results after completion. The Agreement permits Amgen a limited period of time to review material discussing trial results (typically up to 45 days and possible extension). Amgen may remove confidential information, but authors have final control and approval of publication content. For multicenter studies, the investigator agrees not to publish any results before the first multi-center publication.
  • Publication restrictions are in place

Restriction type: OTHER