Trial Outcomes & Findings for Iron Sucrose In The Treatment of Restless Legs Syndrome: Safety of Three Dose Regimens as Evaluated by Clinical Assessments (NCT NCT00895232)

NCT ID: NCT00895232

Last Updated: 2024-11-07

Results Overview

Validated rating scale of RLS symptoms (Range 1 \[mild\] - 40 \[severe\])

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

21 participants

Primary outcome timeframe

Baseline to Day 84

Results posted on

2024-11-07

Participant Flow

November 14, 2003 - August 8, 2005 Locations: Hospitals and Medical Clinics

A Baseline score \> or = to 15 was required on the International RLS Study Group (IRLSSG) Rating Scale. At least 1 leg was required to have an average baseline Periodic Leg Movement (PLM) while asleep \> or = to 15 movements per hour by actigraphy.

Participant milestones

Participant milestones
Measure
Cohort I (Venofer 500mg x 1 Dose)
Single 500 mg infusion of Venofer over 4 hours.
Cohort II (Venofer 500mg X 2 Doses)
A 500 mg infusion of Venofer over 4 to 6 hours on Day 0; with a second 500 mg infusion administered between Day 2 and Day 7.
Cohort III (Venofer 500mg x 2 Doses)
A 500 mg infusion of Venofer over 6 hours on Day 0, followed within 24 hours by a second 500 mg infusion of Venofer over 6 hours.
Overall Study
STARTED
7
6
8
Overall Study
COMPLETED
4
2
3
Overall Study
NOT COMPLETED
3
4
5

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Iron Sucrose In The Treatment of Restless Legs Syndrome: Safety of Three Dose Regimens as Evaluated by Clinical Assessments

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Cohort I (Venofer 500mg x 1 Dose)
n=7 Participants
Single 500 mg infusion of Venofer over 4 hours.
Cohort II (Venofer 500mg X 2 Doses)
n=6 Participants
A 500 mg infusion of Venofer over 4 to 6 hours on Day 0; with a second 500 mg infusion administered between Day 2 and Day 7.
Cohort III (Venofer 500mg x 2 Doses)
n=8 Participants
A 500 mg infusion of Venofer over 6 hours on Day 0, followed within 24 hours by a second 500 mg infusion of Venofer over 6 hours.
Total
n=21 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
Age, Categorical
Between 18 and 65 years
5 Participants
n=5 Participants
5 Participants
n=7 Participants
8 Participants
n=5 Participants
18 Participants
n=4 Participants
Age, Categorical
>=65 years
2 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
3 Participants
n=4 Participants
Sex: Female, Male
Female
4 Participants
n=5 Participants
4 Participants
n=7 Participants
3 Participants
n=5 Participants
11 Participants
n=4 Participants
Sex: Female, Male
Male
3 Participants
n=5 Participants
2 Participants
n=7 Participants
5 Participants
n=5 Participants
10 Participants
n=4 Participants

PRIMARY outcome

Timeframe: Baseline to Day 84

Population: Only subjects who completed the IRLSSG Rating Scale at baseline AND on Day 84.

Validated rating scale of RLS symptoms (Range 1 \[mild\] - 40 \[severe\])

Outcome measures

Outcome measures
Measure
Cohort I (Venofer 500mg x 1 Dose)
n=5 Participants
Single 500 mg infusion of Venofer over 4 hours.
Cohort II (Venofer 500mg X 2 Doses)
n=3 Participants
A 500 mg infusion of Venofer over 4 to 6 hours on Day 0; with a second 500 mg infusion administered between Day 2 and Day 7.
Cohort III (Venofer 500mg x 2 Doses)
n=2 Participants
A 500 mg infusion of Venofer over 6 hours on Day 0, followed within 24 hours by a second 500 mg infusion of Venofer over 6 hours.
Mean Change From Baseline to Day 84 for International Restless Leg Syndrome Study Group (IRLSSG) Scale
-2.4 units on a scale
Standard Deviation 5.41
-14.3 units on a scale
Standard Deviation 5.03
-16.0 units on a scale
Standard Deviation 8.49

SECONDARY outcome

Timeframe: Baseline to Day 84

Population: Only subjects who recorded PLM's/Hour at Baseline AND on Day 84.

Quantifies amount of leg movement

Outcome measures

Outcome measures
Measure
Cohort I (Venofer 500mg x 1 Dose)
n=3 Participants
Single 500 mg infusion of Venofer over 4 hours.
Cohort II (Venofer 500mg X 2 Doses)
n=2 Participants
A 500 mg infusion of Venofer over 4 to 6 hours on Day 0; with a second 500 mg infusion administered between Day 2 and Day 7.
Cohort III (Venofer 500mg x 2 Doses)
n=1 Participants
A 500 mg infusion of Venofer over 6 hours on Day 0, followed within 24 hours by a second 500 mg infusion of Venofer over 6 hours.
Mean Change From Baseline to Day 84 for Total Periodic Limb Movements (PLM's)
-7.2 PLM's per hour
Standard Deviation 24.12
-75.0 PLM's per hour
Standard Deviation 49.71
-96.2 PLM's per hour
Standard Deviation 0

POST_HOC outcome

Timeframe: Baseline to Day 84

Population: Only subjects who were evaluated at Baseline AND on Day 84

Response is defined as any effect based on a scale of 0 through 4 where 0 = no effect, 1 = mild effect, 2 = moderate effect, 3 = marked effect, and 4 = dramatic effect.

Outcome measures

Outcome measures
Measure
Cohort I (Venofer 500mg x 1 Dose)
n=7 Participants
Single 500 mg infusion of Venofer over 4 hours.
Cohort II (Venofer 500mg X 2 Doses)
n=3 Participants
A 500 mg infusion of Venofer over 4 to 6 hours on Day 0; with a second 500 mg infusion administered between Day 2 and Day 7.
Cohort III (Venofer 500mg x 2 Doses)
n=3 Participants
A 500 mg infusion of Venofer over 6 hours on Day 0, followed within 24 hours by a second 500 mg infusion of Venofer over 6 hours.
Percentage (%) of Subjects Responding to Treatment From Baseline to Day 84 Based on Global Assessments by the Examiner.
28.6 percent of participants
66.7 percent of participants
66.7 percent of participants

Adverse Events

Cohort I (Venofer 500mg x 1 Dose)

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Cohort II (Venofer 500mg X 2 Doses)

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

Cohort III (Venofer 500mg x 2 Doses)

Serious events: 1 serious events
Other events: 5 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Cohort I (Venofer 500mg x 1 Dose)
n=7 participants at risk
Single 500 mg infusion of Venofer over 4 hours.
Cohort II (Venofer 500mg X 2 Doses)
n=6 participants at risk
A 500 mg infusion of Venofer over 4 to 6 hours on Day 0; with a second 500 mg infusion administered between Day 2 and Day 7.
Cohort III (Venofer 500mg x 2 Doses)
n=8 participants at risk
A 500 mg infusion of Venofer over 6 hours on Day 0, followed within 24 hours by a second 500 mg infusion of Venofer over 6 hours.
Investigations
Heart rate irregular
0.00%
0/7 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
12.5%
1/8 • Number of events 1 • 1 year and 9 months

Other adverse events

Other adverse events
Measure
Cohort I (Venofer 500mg x 1 Dose)
n=7 participants at risk
Single 500 mg infusion of Venofer over 4 hours.
Cohort II (Venofer 500mg X 2 Doses)
n=6 participants at risk
A 500 mg infusion of Venofer over 4 to 6 hours on Day 0; with a second 500 mg infusion administered between Day 2 and Day 7.
Cohort III (Venofer 500mg x 2 Doses)
n=8 participants at risk
A 500 mg infusion of Venofer over 6 hours on Day 0, followed within 24 hours by a second 500 mg infusion of Venofer over 6 hours.
Musculoskeletal and connective tissue disorders
Arthralgia
14.3%
1/7 • Number of events 1 • 1 year and 9 months
33.3%
2/6 • Number of events 3 • 1 year and 9 months
0.00%
0/8 • 1 year and 9 months
Musculoskeletal and connective tissue disorders
Back pain
0.00%
0/7 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
12.5%
1/8 • Number of events 1 • 1 year and 9 months
Gastrointestinal disorders
Constipation
14.3%
1/7 • Number of events 1 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
0.00%
0/8 • 1 year and 9 months
Skin and subcutaneous tissue disorders
Dermatitis allergic
0.00%
0/7 • 1 year and 9 months
16.7%
1/6 • Number of events 1 • 1 year and 9 months
0.00%
0/8 • 1 year and 9 months
Gastrointestinal disorders
Diarrhea NOS
0.00%
0/7 • 1 year and 9 months
16.7%
1/6 • Number of events 1 • 1 year and 9 months
0.00%
0/8 • 1 year and 9 months
Nervous system disorders
Dizziness
0.00%
0/7 • 1 year and 9 months
50.0%
3/6 • Number of events 3 • 1 year and 9 months
0.00%
0/8 • 1 year and 9 months
Skin and subcutaneous tissue disorders
Erythema
0.00%
0/7 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
12.5%
1/8 • Number of events 1 • 1 year and 9 months
General disorders
Fatigue
0.00%
0/7 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
12.5%
1/8 • Number of events 1 • 1 year and 9 months
Metabolism and nutrition disorders
Gout
14.3%
1/7 • Number of events 1 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
0.00%
0/8 • 1 year and 9 months
Vascular disorders
Hypotension NOS
0.00%
0/7 • 1 year and 9 months
50.0%
3/6 • Number of events 3 • 1 year and 9 months
25.0%
2/8 • Number of events 2 • 1 year and 9 months
General disorders
Injection site reaction NOS
0.00%
0/7 • 1 year and 9 months
16.7%
1/6 • Number of events 1 • 1 year and 9 months
12.5%
1/8 • Number of events 1 • 1 year and 9 months
Blood and lymphatic system disorders
Lymphadenopathy
14.3%
1/7 • Number of events 1 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
0.00%
0/8 • 1 year and 9 months
Gastrointestinal disorders
Nausea
14.3%
1/7 • Number of events 1 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
12.5%
1/8 • Number of events 1 • 1 year and 9 months
General disorders
Oedema NOS
14.3%
1/7 • Number of events 1 • 1 year and 9 months
33.3%
2/6 • Number of events 3 • 1 year and 9 months
0.00%
0/8 • 1 year and 9 months
General disorders
Oedema peripheral
14.3%
1/7 • Number of events 1 • 1 year and 9 months
33.3%
2/6 • Number of events 2 • 1 year and 9 months
25.0%
2/8 • Number of events 3 • 1 year and 9 months
Musculoskeletal and connective tissue disorders
Pain in extremity
28.6%
2/7 • Number of events 2 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
0.00%
0/8 • 1 year and 9 months
Nervous system disorders
Paraesthesia
14.3%
1/7 • Number of events 1 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
0.00%
0/8 • 1 year and 9 months
Vascular disorders
Phlebitis NOS
0.00%
0/7 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
12.5%
1/8 • Number of events 1 • 1 year and 9 months
Skin and subcutaneous tissue disorders
Pruritis
0.00%
0/7 • 1 year and 9 months
16.7%
1/6 • Number of events 1 • 1 year and 9 months
0.00%
0/8 • 1 year and 9 months
Respiratory, thoracic and mediastinal disorders
Rhinitis allergic NOS
0.00%
0/7 • 1 year and 9 months
16.7%
1/6 • Number of events 1 • 1 year and 9 months
0.00%
0/8 • 1 year and 9 months
Skin and subcutaneous tissue disorders
Sweating increased
0.00%
0/7 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
12.5%
1/8 • Number of events 1 • 1 year and 9 months
Gastrointestinal disorders
Umbilical hernia NOS
14.3%
1/7 • Number of events 1 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
0.00%
0/8 • 1 year and 9 months
Skin and subcutaneous tissue disorders
Urticaria NOS
14.3%
1/7 • Number of events 1 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
12.5%
1/8 • Number of events 1 • 1 year and 9 months
Gastrointestinal disorders
Vomiting NOS
0.00%
0/7 • 1 year and 9 months
0.00%
0/6 • 1 year and 9 months
12.5%
1/8 • Number of events 1 • 1 year and 9 months

Additional Information

Mark A. Falone, MD

Luitpold Pharmaceuticals, Inc.

Phone: 610-650-4200

Results disclosure agreements

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

Restriction type: LTE60