Trial Outcomes & Findings for Treatment of Iron Deficiency Anaemia in Inflammatory Bowel Disease With Ferrous Sulphate (NCT NCT01991314)

NCT ID: NCT01991314

Last Updated: 2017-05-09

Results Overview

Change in serum Hb concentration in g/dl after 6 weeks of oral iron

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

90 participants

Primary outcome timeframe

Baseline (0 weeks) and end of trial (6 weeks)

Results posted on

2017-05-09

Participant Flow

Between January 2012 and April 2015; adult and paediatric IBD clinics at Barts and the Royal London Hospitals, or the paediatric IBD clinic at Chelsea and Westminster NHS Trust, London, UK, w

After trial closure, 1 adult (transferrin saturation 22%) and 1 adolescent (Hb 12.0) were found to have been recruited in error and were excluded from further analysis, leaving 88 participants in total.

Participant milestones

Participant milestones
Measure
Adolescents - Ferrous Sulphate
45 adolescents (13-18 years) given ferrous sulphate 200mg bd for 6 weeks
Adults - Ferrous Sulphate
43 adults (\>18 years) given ferrous sulphate 200mg bd for 6 weeks
Overall Study
STARTED
45
43
Overall Study
COMPLETED
34
32
Overall Study
NOT COMPLETED
11
11

Reasons for withdrawal

Reasons for withdrawal
Measure
Adolescents - Ferrous Sulphate
45 adolescents (13-18 years) given ferrous sulphate 200mg bd for 6 weeks
Adults - Ferrous Sulphate
43 adults (\>18 years) given ferrous sulphate 200mg bd for 6 weeks
Overall Study
Adverse Event
5
1
Overall Study
Lost to Follow-up
6
10

Baseline Characteristics

Treatment of Iron Deficiency Anaemia in Inflammatory Bowel Disease With Ferrous Sulphate

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Adolescent - Ferrous Sulphate
n=45 Participants
45 adolescents (age 13-18 years) given oral ferrous sulphate 200mg bd for 6 weeks
Adults - Ferrous Sulphate
n=43 Participants
43 adults (age \>18 years) given oral ferrous sulphate 200mg bd for 6 weeks
Total
n=88 Participants
Total of all reporting groups
Age, Categorical
<=18 years
45 Participants
n=5 Participants
0 Participants
n=7 Participants
45 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
0 Participants
n=5 Participants
40 Participants
n=7 Participants
40 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
Sex: Female, Male
Female
22 Participants
n=5 Participants
23 Participants
n=7 Participants
45 Participants
n=5 Participants
Sex: Female, Male
Male
23 Participants
n=5 Participants
20 Participants
n=7 Participants
43 Participants
n=5 Participants
Region of Enrollment
United Kingdom
45 participants
n=5 Participants
43 participants
n=7 Participants
88 participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline (0 weeks) and end of trial (6 weeks)

Population: Intention to treat population

Change in serum Hb concentration in g/dl after 6 weeks of oral iron

Outcome measures

Outcome measures
Measure
Adolescents
n=45 Participants
Patients aged 13 - 18 years
Adults
n=43 Participants
IBD patients aged \>18
Mean Change in Haemoglobin Concentration.
1.22 g/dl
Standard Error 0.21
1.30 g/dl
Standard Error 0.27

SECONDARY outcome

Timeframe: Baseline (0 weeks) to end of trial (6 weeks)

Numbers of patients who reported intolerance of oral iron (abdominal pain, nausea, vomiting, constipation, diarrhoea or headache)

Outcome measures

Outcome measures
Measure
Adolescents
n=45 Participants
Patients aged 13 - 18 years
Adults
n=43 Participants
IBD patients aged \>18
Intolerance of Oral Iron
10 Participants
8 Participants

SECONDARY outcome

Timeframe: Baseline (0 weeks) and end of trial (6 weeks)

Population: Per protocol analysis

Difference between faecal calprotectin measured at baseline and at end of study

Outcome measures

Outcome measures
Measure
Adolescents
n=34 Participants
Patients aged 13 - 18 years
Adults
n=32 Participants
IBD patients aged \>18
Change in Disease Activity (Stool Calprotectin)
-35 ug/g
Standard Error 38
-40 ug/g
Standard Error 81

SECONDARY outcome

Timeframe: Baseline (0 weeks) to end (6 weeks)

Population: Per protocol analysis

Short Inflammatory Bowel Disease Questionnaire (SIBDQ score), a health-related quality of life tool measuring physical, social, and emotional status (summated to produce a score of minimum 10 to maximum 70, representing poor to good quality of life, respectively). (Reporting of individual domain subscores is not valid).

Outcome measures

Outcome measures
Measure
Adolescents
n=34 Participants
Patients aged 13 - 18 years
Adults
n=32 Participants
IBD patients aged \>18
Change in Quality of Life Score
3.2 scores on a scale
Standard Error 2.6
5.7 scores on a scale
Standard Error 2.0

SECONDARY outcome

Timeframe: Baseline (0 weeks) and end of trial (6 weeks)

Population: Per protocol

Hospital Anxiety and Depression Score (HADS)-A, a scale of 7 questions score 0-3 each, so that total score 0 is good and 21 very severe anxiety.

Outcome measures

Outcome measures
Measure
Adolescents
n=34 Participants
Patients aged 13 - 18 years
Adults
n=32 Participants
IBD patients aged \>18
Changes in Anxiety
-0.7 units on a scale
Standard Error 0.5
-1.1 units on a scale
Standard Error 0.7

SECONDARY outcome

Timeframe: Baseline (0 weeks) and end of trial (6 weeks)

Population: Per protocol

Multidimensional Fatigue Inventory (MFI) is a 20 question-based scale with total scores ranging between 20 (very good) and 100 (very severe fatigue).

Outcome measures

Outcome measures
Measure
Adolescents
n=34 Participants
Patients aged 13 - 18 years
Adults
n=32 Participants
IBD patients aged \>18
Changes in Fatigue
0.9 units on a scale
Standard Error 1.4
1.9 units on a scale
Standard Error 0.7

SECONDARY outcome

Timeframe: Baseline (0 weeks) and end of trial (6 weeks)

Population: Per protocol analysis

Perceived Stress Questionnaire (PSQ)-G is a 30-question measure of perceived stress giving total scores ranging between 30 (very unstressed) to 120 (very stressed).

Outcome measures

Outcome measures
Measure
Adolescents
n=34 Participants
Patients aged 13 - 18 years
Adults
n=32 Participants
IBD patients aged \>18
Changes in Stress Levels
4.1 units on a scale
Standard Error 2.5
-11.8 units on a scale
Standard Error 2.5

Adverse Events

Adolescents

Serious events: 2 serious events
Other events: 8 other events
Deaths: 0 deaths

Adults

Serious events: 1 serious events
Other events: 7 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Adolescents
n=45 participants at risk
Patients aged 13 - 18 years
Adults
n=43 participants at risk
IBD patients aged \>18
Gastrointestinal disorders
Crohn's patient admitted to hospital with abdominal pain and vomiting
2.2%
1/45 • Number of events 1 • Baseline (0 weeks) to end of trial (6 weeks)
Patients were asked to contact us by telephone if they had symptoms suggesting adverse events (eg abdominal pain, nausea, vomiting, constipation, diarrhea, headache), or if their Crohn's disease or ulcerative colitis symptoms were worsening. Patients described their own symptoms and were not prompted by a checklist or other systematic questionnaire.
0.00%
0/43 • Baseline (0 weeks) to end of trial (6 weeks)
Patients were asked to contact us by telephone if they had symptoms suggesting adverse events (eg abdominal pain, nausea, vomiting, constipation, diarrhea, headache), or if their Crohn's disease or ulcerative colitis symptoms were worsening. Patients described their own symptoms and were not prompted by a checklist or other systematic questionnaire.
Gastrointestinal disorders
Crohn's patient admitted to hospital with abdominal pain, vomiting and constipation
2.2%
1/45 • Number of events 1 • Baseline (0 weeks) to end of trial (6 weeks)
Patients were asked to contact us by telephone if they had symptoms suggesting adverse events (eg abdominal pain, nausea, vomiting, constipation, diarrhea, headache), or if their Crohn's disease or ulcerative colitis symptoms were worsening. Patients described their own symptoms and were not prompted by a checklist or other systematic questionnaire.
0.00%
0/43 • Baseline (0 weeks) to end of trial (6 weeks)
Patients were asked to contact us by telephone if they had symptoms suggesting adverse events (eg abdominal pain, nausea, vomiting, constipation, diarrhea, headache), or if their Crohn's disease or ulcerative colitis symptoms were worsening. Patients described their own symptoms and were not prompted by a checklist or other systematic questionnaire.
Gastrointestinal disorders
Ulcerative colitis patient admitted with flare of her colitis
0.00%
0/45 • Baseline (0 weeks) to end of trial (6 weeks)
Patients were asked to contact us by telephone if they had symptoms suggesting adverse events (eg abdominal pain, nausea, vomiting, constipation, diarrhea, headache), or if their Crohn's disease or ulcerative colitis symptoms were worsening. Patients described their own symptoms and were not prompted by a checklist or other systematic questionnaire.
2.3%
1/43 • Number of events 1 • Baseline (0 weeks) to end of trial (6 weeks)
Patients were asked to contact us by telephone if they had symptoms suggesting adverse events (eg abdominal pain, nausea, vomiting, constipation, diarrhea, headache), or if their Crohn's disease or ulcerative colitis symptoms were worsening. Patients described their own symptoms and were not prompted by a checklist or other systematic questionnaire.

Other adverse events

Other adverse events
Measure
Adolescents
n=45 participants at risk
Patients aged 13 - 18 years
Adults
n=43 participants at risk
IBD patients aged \>18
Gastrointestinal disorders
AE
17.8%
8/45 • Number of events 8 • Baseline (0 weeks) to end of trial (6 weeks)
Patients were asked to contact us by telephone if they had symptoms suggesting adverse events (eg abdominal pain, nausea, vomiting, constipation, diarrhea, headache), or if their Crohn's disease or ulcerative colitis symptoms were worsening. Patients described their own symptoms and were not prompted by a checklist or other systematic questionnaire.
16.3%
7/43 • Number of events 7 • Baseline (0 weeks) to end of trial (6 weeks)
Patients were asked to contact us by telephone if they had symptoms suggesting adverse events (eg abdominal pain, nausea, vomiting, constipation, diarrhea, headache), or if their Crohn's disease or ulcerative colitis symptoms were worsening. Patients described their own symptoms and were not prompted by a checklist or other systematic questionnaire.

Additional Information

Prof David Rampton

Barts Health NHS Trust

Phone: +442035943500

Results disclosure agreements

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