Trial Outcomes & Findings for Switchover Trial From Imiglucerase to Plant Cell Expressed Recombinant Human Glucocerebrosidase (NCT NCT00712348)

NCT ID: NCT00712348

Last Updated: 2018-10-04

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

31 participants

Primary outcome timeframe

Every 3 months from Baseline to Month 9

Results posted on

2018-10-04

Participant Flow

Participant milestones

Participant milestones
Measure
Taliglucerase Alfa
Open label taliglucerase alfa treatment Taliglucerase alfa: Intravenous infusion every 2 weeks
Overall Study
STARTED
31
Overall Study
COMPLETED
30
Overall Study
NOT COMPLETED
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Taliglucerase Alfa
Open label taliglucerase alfa treatment Taliglucerase alfa: Intravenous infusion every 2 weeks
Overall Study
Withdrawal by Subject
1

Baseline Characteristics

Switchover Trial From Imiglucerase to Plant Cell Expressed Recombinant Human Glucocerebrosidase

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Taliglucerase Alfa
n=31 Participants
Open label taliglucerase alfa treatment Taliglucerase alfa: Intravenous infusion every 2 weeks
Age, Categorical
<=18 years
5 Participants
n=93 Participants
Age, Categorical
Between 18 and 65 years
25 Participants
n=93 Participants
Age, Categorical
>=65 years
1 Participants
n=93 Participants
Age, Continuous
41.6 years
STANDARD_DEVIATION 17.4 • n=93 Participants
Sex: Female, Male
Female
14 Participants
n=93 Participants
Sex: Female, Male
Male
17 Participants
n=93 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=93 Participants
Race (NIH/OMB)
Asian
0 Participants
n=93 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants
n=93 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=93 Participants
Race (NIH/OMB)
White
30 Participants
n=93 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=93 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=93 Participants
Region of Enrollment
United States
7 participants
n=93 Participants
Region of Enrollment
Canada
1 participants
n=93 Participants
Region of Enrollment
Spain
4 participants
n=93 Participants
Region of Enrollment
Australia
3 participants
n=93 Participants
Region of Enrollment
Israel
9 participants
n=93 Participants
Region of Enrollment
United Kingdom
2 participants
n=93 Participants
Region of Enrollment
Serbia
4 participants
n=93 Participants
Region of Enrollment
Singapore
1 participants
n=93 Participants
Religion
JEWISH - ASHKENAZI
14 participants
n=93 Participants
Religion
JEWISH - NONASHKENAZI
0 participants
n=93 Participants
Religion
NON JEWISH
15 participants
n=93 Participants
Religion
UNREPORTED
2 participants
n=93 Participants

PRIMARY outcome

Timeframe: Every 3 months from Baseline to Month 9

Outcome measures

Outcome measures
Measure
Taliglucerase Alfa
n=30 Participants
Open label taliglucerase alfa treatment Taliglucerase alfa: Intravenous infusion every 2 weeks
Hemoglobin
Baseline
13.5 g/dL
Standard Deviation 1.4
Hemoglobin
Month 3
13.3 g/dL
Standard Deviation 1.5
Hemoglobin
Month 6
13.3 g/dL
Standard Deviation 1.6
Hemoglobin
Month 9
13.4 g/dL
Standard Deviation 1.5

OTHER_PRE_SPECIFIED outcome

Timeframe: Every 3 months from Baseline to Month 9

Outcome measures

Outcome measures
Measure
Taliglucerase Alfa
n=30 Participants
Open label taliglucerase alfa treatment Taliglucerase alfa: Intravenous infusion every 2 weeks
Platelet Count
Baseline
161137 platelets/mm^3
Standard Deviation 73387
Platelet Count
Month 3
150800 platelets/mm^3
Standard Deviation 66038
Platelet Count
Month 6
157586 platelets/mm^3
Standard Deviation 78357
Platelet Count
Month 9
161167 platelets/mm^3
Standard Deviation 80820

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline and 9 Months

Population: 25 patients had spleen volume measured by MRI, 2 were MRI phobic and 3 were splenectomized

Spleen volume measured by MRI in mL

Outcome measures

Outcome measures
Measure
Taliglucerase Alfa
n=25 Participants
Open label taliglucerase alfa treatment Taliglucerase alfa: Intravenous infusion every 2 weeks
Spleen Volume
Baseline
720.5 mL
Standard Deviation 579.5
Spleen Volume
Month 9
654.7 mL
Standard Deviation 535.9

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline and 9 months

Population: 2 patients were MRI phobic

Liver volume measured by MRI

Outcome measures

Outcome measures
Measure
Taliglucerase Alfa
n=28 Participants
Open label taliglucerase alfa treatment Taliglucerase alfa: Intravenous infusion every 2 weeks
Liver Volume
Baseline
1766 mL
Standard Deviation 474.5
Liver Volume
Month 9
1716 mL
Standard Deviation 455.6

Adverse Events

Taliglucerase Alfa

Serious events: 3 serious events
Other events: 29 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Taliglucerase Alfa
n=31 participants at risk
Open label taliglucerase alfa treatment Taliglucerase alfa: Intravenous infusion every 2 weeks
Respiratory, thoracic and mediastinal disorders
EPISTAXIS
3.2%
1/31 • Number of events 1 • 9 months
Renal and urinary disorders
NEPHROLITHIASIS
3.2%
1/31 • Number of events 1 • 9 months
Reproductive system and breast disorders
PELVIC PROLAPSE
3.2%
1/31 • Number of events 1 • 9 months

Other adverse events

Other adverse events
Measure
Taliglucerase Alfa
n=31 participants at risk
Open label taliglucerase alfa treatment Taliglucerase alfa: Intravenous infusion every 2 weeks
Gastrointestinal disorders
DIARRHOEA
6.5%
2/31 • Number of events 2 • 9 months
General disorders
PAIN
6.5%
2/31 • Number of events 2 • 9 months
Infections and infestations
NASOPHARYNGITIS
12.9%
4/31 • Number of events 4 • 9 months
Infections and infestations
UPPER RESPIRATORY TRACT INFECTION
9.7%
3/31 • Number of events 3 • 9 months
Infections and infestations
URINARY TRACT INFECTION
9.7%
3/31 • Number of events 3 • 9 months
Injury, poisoning and procedural complications
INFUSION RELATED REACTION
12.9%
4/31 • Number of events 4 • 9 months
Musculoskeletal and connective tissue disorders
ARTHRALGIA
12.9%
4/31 • Number of events 4 • 9 months
Musculoskeletal and connective tissue disorders
PAIN IN EXTREMITY
9.7%
3/31 • Number of events 3 • 9 months
Nervous system disorders
HEADACHE
12.9%
4/31 • Number of events 4 • 9 months
Respiratory, thoracic and mediastinal disorders
COUGH
9.7%
3/31 • Number of events 3 • 9 months
Skin and subcutaneous tissue disorders
PRURITUS
6.5%
2/31 • Number of events 2 • 9 months

Additional Information

VP Medical Affairs

Protalix Ltd.

Phone: +972-4-9028100

Results disclosure agreements

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