Trial Outcomes & Findings for Four-Way Crossover Study to Compare Ferric Maltol Capsules and Oral Suspension in Healthy Volunteers (NCT NCT04626414)

NCT ID: NCT04626414

Last Updated: 2025-08-24

Results Overview

Ratio of maximum serum concentration (Cmax) of total iron in combined periods of fasted condition between ferric maltol capsule and ferric maltol suspension.

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

32 participants

Primary outcome timeframe

Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose in combined fasted condition

Results posted on

2025-08-24

Participant Flow

32 subjects recruited. 8 subjects randomised to each sequence.

Participant milestones

Participant milestones
Measure
Ferric Maltol Sequence A
Period 1 capsule-fed; Period 2 suspension-fed; Period 3 capsule-fasted; Period 4 suspension-fasted.
Ferric Maltol Sequence B
Period 1 suspension-fasted; Period 2 capsule-fed; Period 3 suspension-fed; Period 4 capsule-fasted.
Ferric Maltol Sequence C
Period 1 capsule-fasted; Period 2 suspension-fasted; Period 3 capsule-fed; Period 4 suspension-fed.
Ferric Maltol Sequence D
Period 1 suspension-fed; Period 2 capsule-fasted; Period 3 suspension-fasted; Period 4 capsule-fed.
Overall Study
STARTED
8
8
8
8
Overall Study
COMPLETED
8
8
8
8
Overall Study
NOT COMPLETED
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Four-Way Crossover Study to Compare Ferric Maltol Capsules and Oral Suspension in Healthy Volunteers

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Ferric Maltol Sequence A
n=8 Participants
Period 1 capsule-fed; Period 2 suspension fed; Period 3 capsule fasted; Period 4 suspension fasted.
Ferric Maltol Sequence B
n=8 Participants
Period 1 suspension fasted; Period 2 capsule-fed; Period 3 suspension fed; Period 4 capsule fasted.
Ferric Maltol Sequence C
n=8 Participants
Period 1 capsule fasted; Period 2 suspension fasted; Period 3 capsule fed; Period 4 suspension fed.
Ferric Maltol Sequence D
n=8 Participants
Period 1 suspension fed; Period 2 capsule fasted; Period 3 suspension fasted; Period 4 capsule fed.
Total
n=32 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
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Age, Categorical
Between 18 and 65 years
8 Participants
n=5 Participants
8 Participants
n=7 Participants
8 Participants
n=5 Participants
8 Participants
n=4 Participants
32 Participants
n=21 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Age, Continuous
36.6 years
STANDARD_DEVIATION 9.33 • n=5 Participants
34.00 years
STANDARD_DEVIATION 11.05 • n=7 Participants
33.6 years
STANDARD_DEVIATION 6.44 • n=5 Participants
40.5 years
STANDARD_DEVIATION 8.82 • n=4 Participants
36.18 years
STANDARD_DEVIATION 8.90 • n=21 Participants
Sex: Female, Male
Female
3 Participants
n=5 Participants
3 Participants
n=7 Participants
4 Participants
n=5 Participants
5 Participants
n=4 Participants
15 Participants
n=21 Participants
Sex: Female, Male
Male
5 Participants
n=5 Participants
5 Participants
n=7 Participants
4 Participants
n=5 Participants
3 Participants
n=4 Participants
17 Participants
n=21 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
2 Participants
n=4 Participants
3 Participants
n=21 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
8 Participants
n=5 Participants
8 Participants
n=7 Participants
7 Participants
n=5 Participants
6 Participants
n=4 Participants
29 Participants
n=21 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Black or African American
8 Participants
n=5 Participants
6 Participants
n=7 Participants
5 Participants
n=5 Participants
5 Participants
n=4 Participants
24 Participants
n=21 Participants
Race (NIH/OMB)
White
0 Participants
n=5 Participants
2 Participants
n=7 Participants
3 Participants
n=5 Participants
3 Participants
n=4 Participants
8 Participants
n=21 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Region of Enrollment
United States
8 participants
n=5 Participants
8 participants
n=7 Participants
8 participants
n=5 Participants
8 participants
n=4 Participants
32 participants
n=21 Participants

PRIMARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose in combined fasted condition

Population: Full Analysis Set Population

Ratio of maximum serum concentration (Cmax) of total iron in combined periods of fasted condition between ferric maltol capsule and ferric maltol suspension.

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
Ratio of Maximum Serum Concentration (Cmax) of Total Iron in Fasted Condition
69.94 ratio
Interval 61.75 to 79.23

PRIMARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose in combined fed condition

Population: Full analysis set population

Ratio of maximum serum concentration (Cmax) of total iron in combined periods of fed condition between ferric maltol capsule and ferric maltol suspension

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
Ratio of Maximum Serum Concentration (Cmax) of Total Iron in Combined Periods of Fed Condition
99.11 ratio
Interval 87.5 to 112.27

PRIMARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose in combined fasted condition

Population: FAS

Ratio of area under the curve (AUClast) of total serum iron in combined periods of fasted condition between ferric maltol capsule and ferric maltol suspension

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
Ratio of Area Under the Curve (AUClast) of Total Serum Iron in Combined Period of Fasted Condition
77.54 ratio
Interval 70.38 to 85.42

PRIMARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose in combined fed condition

Population: Full analysis set population

Ratio of area under the curve (AUClast) of total serum iron in combined periods of fed condition between ferric maltol capsule and ferric maltol suspension

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
Ratio of Area Under the Curve (AUClast) of Total Serum Iron in Combined Period of Fed Condition
96.99 ratio
Interval 88.04 to 106.86

PRIMARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose on both PK days

Population: Full Analysis Set Population

Ratio of maximum serum concentration (Cmax) of total iron in fasted vs fed condition in 30mg ferric maltol capsule

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
Ratio of Maximum Serum Concentration (Cmax) of Total Iron in Fasted vs Fed Condition in Ferric Maltol Capsule
147.27 ratio
Interval 130.01 to 166.81

PRIMARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose in both PK days

Population: FAS

Ratio of area under the curve (AUClast) of total serum iron in fasted vs fed condition in 30 mg ferric maltol capsule

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
Ratio of Area Under the Curve (AUClast) of Total Serum Iron in Fasted vs. Fed Condition in Ferric Maltol Capsule
134.25 ratio
Interval 121.86 to 147.91

PRIMARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose on both PK days

Population: FAS

Ratio of maximum serum concentration (Cmax) of total iron in fasted vs fed condition in 30mg (5ml) ferric maltol suspension

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
Ratio of Maximum Serum Concentration (Cmax) of Total Iron in Fasted vs Fed Condition in Ferric Maltol Suspension
103.93 ratio
Interval 91.75 to 117.72

PRIMARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose in both PK days

Population: FAS

Ratio of area under the curve (AUClast) of total serum iron in fasted vs fed condition in 30mg (5ml) ferric maltol suspension

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
Ratio of Area Under the Curve (AUClast) of Total Serum Iron in Fasted vs. Fed Condition in Ferric Maltol Suspension
107.32 ratio
Interval 97.41 to 118.24

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS - If the Lambda z was not assigned, the values of associated PK parameters AUCinf was not calculated

Descriptive statistics of total serum iron concentration; Area Under the Curve (AUCinf) by formulation (suspension or capsule) and condition (fed and fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=10 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=19 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=10 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=13 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of Total Serum Iron Concentration; AUCinf in Fasted and Fed Conditions
2922.46 h*ng/mL
Standard Deviation 1052.46
3694.05 h*ng/mL
Standard Deviation 1561.138
3330.98 h*ng/mL
Standard Deviation 2128.861
3445.41 h*ng/mL
Standard Deviation 2615.954

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS

Descriptive statistics of baseline corrected serum iron concentration; Maximum Concentration (Cmax), by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of Baseline Corrected Serum Iron Concentration; Cmax in Fasted and Fed Conditions
44.469 ng/mL
Standard Deviation 73.0572
89.938 ng/mL
Standard Deviation 50.9927
40.219 ng/mL
Standard Deviation 52.9715
33.250 ng/mL
Standard Deviation 23.0637

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS

Descriptive statistics of baseline corrected serum iron concentration; area under the Curve from pre-dose to last measurable concentration by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of Baseline Corrected Serum Iron Concentration; AUClast in Fasted and Fed Conditions
56.150 h*ng/mL
Standard Deviation 964.9572
691.392 h*ng/mL
Standard Deviation 791.8671
2.503 h*ng/mL
Standard Deviation 889.0745
-9.436 h*ng/mL
Standard Deviation 693.2830

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS. If the Lambda z was not assigned, the values of associated PK parameters AUCinf was not calculated.

Descriptive statistics of baseline corrected serum iron concentration; Area Under the Curve from 0-infinity by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS

Descriptive statistics of Maximum plasma Concentration (Cmax) of plasma maltol glucuronide by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of Maltol Glucuronide; Cmax in Fasted and Fed Conditions
3579.063 ng/mL
Standard Deviation 1668.2120
5126.250 ng/mL
Standard Deviation 1996.0748
3597.500 ng/mL
Standard Deviation 1776.4390
7685.0 ng/mL
Standard Deviation 1920.3797

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS

Descriptive statistics of maltol glucuronide; Area Under the Curve from pre-dose to last measurable concentration by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of Maltol Glucuronide; AUClast in Fasted and Fed Conditions
7335.93 h*ng/mL
Standard Deviation 2449.530
9083.82 h*ng/mL
Standard Deviation 2902.863
7802.52 h*ng/mL
Standard Deviation 2585.848
10410.89 h*ng/mL
Standard Deviation 2631.072

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS

Descriptive statistics of Maximum plasma Concentration (Cmax) of plasma maltol by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of Maltol; Cmax in Fasted and Fed Conditions
16.994 ng/mL
Standard Deviation 18.5420
20.531 ng/mL
Standard Deviation 16.0714
33.600 ng/mL
Standard Deviation 37.0501
34.656 ng/mL
Standard Deviation 25.2179

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS - If the Lambda z was not assigned, the values of associated PK parameters AUC last was not calculated.

Descriptive statistics of maltol; Area Under the Curve from pre-dose to last measurable concentration by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=20 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=27 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=28 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=31 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of Maltol; AUClast in Fasted and Fed Conditions
28.61 h*ng/mL
Standard Deviation 21.924
17.29 h*ng/mL
Standard Deviation 15.274
39.13 h*ng/mL
Standard Deviation 44.525
22.41 h*ng/mL
Standard Deviation 16.879

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS

Descriptive statistics of Maximum Concentration (Cmax) of transferrin saturation by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of TSAT; Cmax in Fasted and Fed Conditions
32.750 ng/mL
Standard Deviation 18.4793
43.031 ng/mL
Standard Deviation 12.9428
30.344 ng/mL
Standard Deviation 12.5970
30.188 ng/mL
Standard Deviation 9.3892

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS

Descriptive statistics of transferrin saturation; Area Under the Curve from pre-dose to last measurable concentration by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of TSAT; AUClast in Fasted and Fed Conditions
509.90 h*ng/mL
Standard Deviation 201.915
644.62 h*ng/mL
Standard Deviation 176.724
484.64 h*ng/mL
Standard Deviation 153.990
513.62 h*ng/mL
Standard Deviation 193.642

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS

Descriptive statistics of Maximum Concentration (Cmax) of Total Iron Binding Capacity (TIBC) by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of TIBC; Cmax in Fasted and Fed Conditions
393.688 ng/mL
Standard Deviation 50.5208
394.781 ng/mL
Standard Deviation 50.9913
396.938 ng/mL
Standard Deviation 73.3577
394.656 ng/mL
Standard Deviation 46.5310

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS

Descriptive statistics of Total Iron Binding Capacity (TIBC); Area Under the Curve from pre-dose to last measurable concentration by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of TIBC; AUClast in Fasted and Fed Conditions
8719.09 h*ng/mL
Standard Deviation 1097.981
8880.52 h*ng/mL
Standard Deviation 1165.547
8718.02 h*ng/mL
Standard Deviation 1195.335
8878.43 h*ng/mL
Standard Deviation 1069.977

SECONDARY outcome

Timeframe: up to 2 weeks following last dose

Population: Safety population

Descriptive statistics of Serious Adverse Events by formulation (suspension or capsule) and condition (fed and fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
Summary of Serious Adverse Events
0 Participants
0 Participants
0 Participants
0 Participants

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS

Descriptive statistics of Maximum Concentration (Cmax) of Unsaturated Iron Binding Capacity (UIBC) by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of UIBC; Cmax in Fasted and Fed Conditions
329.750 ng/mL
Standard Deviation 57.3298
323.250 ng/mL
Standard Deviation 59.0172
331.250 ng/mL
Standard Deviation 82.0668
322.375 ng/mL
Standard Deviation 55.7018

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1,1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS

Descriptive statistics of Unsaturated Iron Binding Capacity (TIBC); Area Under the Curve from pre-dose to last measurable concentration by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of UIBC; AUClast in Fasted and Fed Conditions
6836.84 h*ng/mL
Standard Deviation 1303.757
6432.85 h*ng/mL
Standard Deviation 1052.589
6939.53 h*ng/mL
Standard Deviation 1159.295
6978.71 h*ng/mL
Standard Deviation 1182.131

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS

Descriptive statistics of transferrin; Maximum concentration (Cmax) from pre-dose to last measurable concentration by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of Transferrin; Cmax in Fasted and Fed Conditions
304.063 ng/mL
Standard Deviation 42.7332
302.594 ng/mL
Standard Deviation 44.5051
300.688 ng/mL
Standard Deviation 42.3316
303.031 ng/mL
Standard Deviation 40.1670

SECONDARY outcome

Timeframe: Pre-dose and 0.15, 0.30, 0.45, 1, 1.5, 2, 3, 4, 6, 10 and 24 hours post-dose

Population: FAS

Descriptive statistics of transferrin; Area Under the Curve from pre-dose to last measurable concentration by formulation (suspension or capsule) and condition (fed or fasted)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
PK Analysis of Transferrin; AUClast in Fasted and Fed Conditions
6711.95 h*ng/mL
Standard Deviation 965.632
6774.38 h*ng/mL
Standard Deviation 948.865
6701.92 h*ng/mL
Standard Deviation 980.522
6837.00 h*ng/mL
Standard Deviation 936.103

SECONDARY outcome

Timeframe: From first dose of ferric maltol on Day 1 to study completion

Population: Safety population

Treatment-Emergent Adverse Events from Day 1 to Day 22 (Study completion)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
Treatment-Emergent Adverse Events
0 Participants
2 Participants
3 Participants
3 Participants

SECONDARY outcome

Timeframe: From first dose of ferric maltol on Day 1 to study completion

Population: Safety population

TEAE leading to premature discontinuation of study drug/PK assessments from Day 1 to study completion

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
TEAE Leading to Premature Discontinuation of Study Drug/PK Assessments
0 Participants
0 Participants
0 Participants
0 Participants

SECONDARY outcome

Timeframe: Screening to Day 8

Population: Safety population

Descriptive statistics for changes in blood pressure from Screening to Day 8

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=8 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=8 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=8 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=8 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
Vital Signs - Blood Pressure, Change From Day 1 to Day 8
Diastolic blood pressure
-0.5 mmHg
Standard Deviation 3.02
-0.3 mmHg
Standard Deviation 6.71
-3.6 mmHg
Standard Deviation 7.58
-2.4 mmHg
Standard Deviation 4.63
Vital Signs - Blood Pressure, Change From Day 1 to Day 8
Systolic blood pressure
-3.6 mmHg
Standard Deviation 6.25
-4.6 mmHg
Standard Deviation 10.90
-4.9 mmHg
Standard Deviation 14.59
-0.1 mmHg
Standard Deviation 7.16

SECONDARY outcome

Timeframe: Screening to Day 7

Population: Safety population

Descriptive statistics for changes in heart rate from Screening to Day 7

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=8 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=8 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=8 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=8 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
Vital Signs - Heart Rate, Change From Day 1 to Day 7
-0.8 beats/min
Standard Deviation 10.26
8.1 beats/min
Standard Deviation 8.69
11.1 beats/min
Standard Deviation 11.23
3.1 beats/min
Standard Deviation 6.13

SECONDARY outcome

Timeframe: Day 1 to Day 8 (24 hrs post-dose of last dosing)

Population: Safety population

Number of participants having received concomitant medications by formulation (suspension or capsule)

Outcome measures

Outcome measures
Measure
Ferric Maltol Capsule and Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
30 mg ferric maltol capsule and 30 mg (5 ml) ferric maltol suspension in a fasted condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 Participants
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 Participants
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
Summary of Received Concomitant Medication by Formulation
2 participants
2 participants
2 participants
2 participants

Adverse Events

30 mg Ferric Maltol Capsule in a Fed Condition

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

30 mg Ferric Maltol Capsule in a Fasted Condition

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

30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition

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

30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
30 mg Ferric Maltol Capsule in a Fed Condition
n=32 participants at risk
Single dose of 30 mg ferric maltol capsule in a fed condition
30 mg Ferric Maltol Capsule in a Fasted Condition
n=32 participants at risk
Single dose of 30 mg ferric maltol capsule in a fasted condition
30 mg (5 ml) Ferric Maltol Suspension in a Fed Condition
n=32 participants at risk
Single dose of 30 mg (5 ml) ferric maltol suspension in a fed condition
30 mg (5 ml) Ferric Maltol Suspension in a Fasted Condition
n=32 participants at risk
Single dose of 30 mg (5 ml) ferric maltol suspension in a fasted condition
General disorders
Vessel puncture site pain
0.00%
0/32 • 8 days
3.1%
1/32 • Number of events 1 • 8 days
3.1%
1/32 • Number of events 1 • 8 days
0.00%
0/32 • 8 days
Respiratory, thoracic and mediastinal disorders
Rhinalgia
0.00%
0/32 • 8 days
0.00%
0/32 • 8 days
3.1%
1/32 • Number of events 1 • 8 days
0.00%
0/32 • 8 days
Skin and subcutaneous tissue disorders
Pruritus
0.00%
0/32 • 8 days
0.00%
0/32 • 8 days
3.1%
1/32 • Number of events 1 • 8 days
0.00%
0/32 • 8 days
Nervous system disorders
Headache
0.00%
0/32 • 8 days
3.1%
1/32 • Number of events 1 • 8 days
0.00%
0/32 • 8 days
6.2%
2/32 • Number of events 2 • 8 days
Gastrointestinal disorders
Hypoaesthesia oral
0.00%
0/32 • 8 days
0.00%
0/32 • 8 days
0.00%
0/32 • 8 days
3.1%
1/32 • Number of events 1 • 8 days

Additional Information

Jackie Mitchell

Shield Therapeutics

Phone: +44 (0) 191 511 8500

Results disclosure agreements

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