Trial Outcomes & Findings for This Study is Designed to Evaluate PD/PK and Safety of Replagal Manufactured by Two Different Processes. (NCT NCT01304277)

NCT ID: NCT01304277

Last Updated: 2021-07-19

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

17 participants

Primary outcome timeframe

Baseline to EOS

Results posted on

2021-07-19

Participant Flow

The first patient participated in the study on 06 December 2011 and the last patient completed the study procedures on 28 December 2012.

Participant milestones

Participant milestones
Measure
Replagal® (0.2 mg/kg, EOW)
Patients who had received Replagal RB for at least 26 weeks prior to entering the study REP-082, received 1 dose of Replagal RB at baseline before switching to Replagal AF. They then received 14 weeks of treatment with Replagal AF.
Screening (Replagal RB, Week 0- Week 2)
STARTED
17
Screening (Replagal RB, Week 0- Week 2)
COMPLETED
17
Screening (Replagal RB, Week 0- Week 2)
NOT COMPLETED
0
Treatment (Replagal AF, Week 2- EOS)
STARTED
17
Treatment (Replagal AF, Week 2- EOS)
COMPLETED
17
Treatment (Replagal AF, Week 2- EOS)
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

This Study is Designed to Evaluate PD/PK and Safety of Replagal Manufactured by Two Different Processes.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Replagal® (0.2 mg/kg, EOW)
n=17 Participants
Patients who had received Replagal RB for at least 26 weeks prior to entering the study REP-082, received 1 dose of Replagal RB at baseline before switching to Replagal AF. They then received 14 weeks of treatment with Replagal AF.
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
17 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
Age, Continuous
39.8 Years
STANDARD_DEVIATION 13.589 • n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
Sex: Female, Male
Male
17 Participants
n=5 Participants
Region of Enrollment
CANADA
17 Participants
n=5 Participants
Study Specific Characteristic [Urine Gb3]
919.27 nmol/g creatinine
STANDARD_DEVIATION 990.144 • n=5 Participants
Study Specific Characteristic [Plasma Gb3]
5.276 nmol/mL
STANDARD_DEVIATION 1.562 • n=5 Participants

PRIMARY outcome

Timeframe: Baseline to EOS

Outcome measures

Outcome measures
Measure
Replagal® (0.2 mg/kg, EOW)
n=17 Participants
Patients who had received Replagal RB for at least 26 weeks prior to entering the study REP-082, received 1 dose of Replagal RB at baseline before switching to Replagal AF. They then received 14 weeks of treatment with Replagal AF.
Replagal AF
Patients received 7 EOW infusions of treatment with Replagal AF from week 2 to week 14 in REP-082.
Overall
Overall number of patients who experienced adverse events during the course of REP-082 study.
Change From Baseline to Week 16 (EOS) in Urine Gb3 Levels
-28.68 (nmol/g creatinine)
Standard Deviation 192.659

SECONDARY outcome

Timeframe: Baseline to EOS

Outcome measures

Outcome measures
Measure
Replagal® (0.2 mg/kg, EOW)
n=17 Participants
Patients who had received Replagal RB for at least 26 weeks prior to entering the study REP-082, received 1 dose of Replagal RB at baseline before switching to Replagal AF. They then received 14 weeks of treatment with Replagal AF.
Replagal AF
Patients received 7 EOW infusions of treatment with Replagal AF from week 2 to week 14 in REP-082.
Overall
Overall number of patients who experienced adverse events during the course of REP-082 study.
Change From Baseline to Week 16 (EOS) in Plasma Gb3 Levels
0.170 (nmol/mL)
Standard Deviation 0.503

SECONDARY outcome

Timeframe: Week 0 to Week 14

The dose-normalized calculation was performed by dividing the pharmacokinetic parameter by the administered dose.

Outcome measures

Outcome measures
Measure
Replagal® (0.2 mg/kg, EOW)
n=17 Participants
Patients who had received Replagal RB for at least 26 weeks prior to entering the study REP-082, received 1 dose of Replagal RB at baseline before switching to Replagal AF. They then received 14 weeks of treatment with Replagal AF.
Replagal AF
Patients received 7 EOW infusions of treatment with Replagal AF from week 2 to week 14 in REP-082.
Overall
Overall number of patients who experienced adverse events during the course of REP-082 study.
Dose-normalized Area Under the Concentration-time Curve From Time 0 to the Time of the Last Quantifiable Sample (AUClast/Dose)
Week 14 versus 0
0.65 Ratio
Interval 0.61 to 0.72
Dose-normalized Area Under the Concentration-time Curve From Time 0 to the Time of the Last Quantifiable Sample (AUClast/Dose)
Week 14 versus 2
1.05 Ratio
Interval 0.94 to 1.23

SECONDARY outcome

Timeframe: Week 0 to Week 14

The dose-normalized calculation was performed by dividing the pharmacokinetic parameter by the administered dose.

Outcome measures

Outcome measures
Measure
Replagal® (0.2 mg/kg, EOW)
n=17 Participants
Patients who had received Replagal RB for at least 26 weeks prior to entering the study REP-082, received 1 dose of Replagal RB at baseline before switching to Replagal AF. They then received 14 weeks of treatment with Replagal AF.
Replagal AF
Patients received 7 EOW infusions of treatment with Replagal AF from week 2 to week 14 in REP-082.
Overall
Overall number of patients who experienced adverse events during the course of REP-082 study.
Dose-normalized AUC Extrapolated to Infinity (AUC∞/Dose)
Week 14 versus 0
0.67 Ratio
Interval 0.62 to 0.75
Dose-normalized AUC Extrapolated to Infinity (AUC∞/Dose)
Week 14 versus 2
1.07 Ratio
Interval 0.97 to 1.26

SECONDARY outcome

Timeframe: Week 0 to Week 14

The dose-normalized calculation was performed by dividing the pharmacokinetic parameter by the administered dose.

Outcome measures

Outcome measures
Measure
Replagal® (0.2 mg/kg, EOW)
n=17 Participants
Patients who had received Replagal RB for at least 26 weeks prior to entering the study REP-082, received 1 dose of Replagal RB at baseline before switching to Replagal AF. They then received 14 weeks of treatment with Replagal AF.
Replagal AF
Patients received 7 EOW infusions of treatment with Replagal AF from week 2 to week 14 in REP-082.
Overall
Overall number of patients who experienced adverse events during the course of REP-082 study.
Dose-normalized Maximum Serum Concentration (Cmax/Dose)
Week 14 versus 0
0.81 Ratio
Interval 0.76 to 0.91
Dose-normalized Maximum Serum Concentration (Cmax/Dose)
Week 14 versus 2
1.05 Ratio
Interval 0.96 to 1.21

SECONDARY outcome

Timeframe: EOS

Outcome measures

Outcome measures
Measure
Replagal® (0.2 mg/kg, EOW)
n=17 Participants
Patients who had received Replagal RB for at least 26 weeks prior to entering the study REP-082, received 1 dose of Replagal RB at baseline before switching to Replagal AF. They then received 14 weeks of treatment with Replagal AF.
Replagal AF
Patients received 7 EOW infusions of treatment with Replagal AF from week 2 to week 14 in REP-082.
Overall
Overall number of patients who experienced adverse events during the course of REP-082 study.
To Assess Safety and Tolerability by Anti-agalsidase Alfa Antibody Status (in Serum) at End of Study
Anti-Agalsidase alfa Antibody Negative
13 participants
To Assess Safety and Tolerability by Anti-agalsidase Alfa Antibody Status (in Serum) at End of Study
Anti-Agalsidase alfa Antibody Positive (IgG)
2 participants
To Assess Safety and Tolerability by Anti-agalsidase Alfa Antibody Status (in Serum) at End of Study
Anti-Agalsidase alfa Antibody Positive (IgM)
2 participants

SECONDARY outcome

Timeframe: Week 2 to EOS

To Assess Safety and Tolerability by Anti-agalsidase Alfa Antibody Status, concomitant medication, vital signs and ECG.

Outcome measures

Outcome measures
Measure
Replagal® (0.2 mg/kg, EOW)
n=17 Participants
Patients who had received Replagal RB for at least 26 weeks prior to entering the study REP-082, received 1 dose of Replagal RB at baseline before switching to Replagal AF. They then received 14 weeks of treatment with Replagal AF.
Replagal AF
n=17 Participants
Patients received 7 EOW infusions of treatment with Replagal AF from week 2 to week 14 in REP-082.
Overall
n=17 Participants
Overall number of patients who experienced adverse events during the course of REP-082 study.
Overall Summary of TEAEs by Treatment (Replagal RB and Replagal AF)
No TEAE
9 participants
5 participants
5 participants
Overall Summary of TEAEs by Treatment (Replagal RB and Replagal AF)
Experienced at least one TEAE
8 participants
12 participants
12 participants
Overall Summary of TEAEs by Treatment (Replagal RB and Replagal AF)
Deaths
0 participants
0 participants
0 participants
Overall Summary of TEAEs by Treatment (Replagal RB and Replagal AF)
Discontinued due to a TEAE
0 participants
0 participants
0 participants
Overall Summary of TEAEs by Treatment (Replagal RB and Replagal AF)
Experienced at least one drug-related TEAE
3 participants
3 participants
3 participants
Overall Summary of TEAEs by Treatment (Replagal RB and Replagal AF)
Experienced at least one SAE
0 participants
2 participants
2 participants
Overall Summary of TEAEs by Treatment (Replagal RB and Replagal AF)
At least one severe or life- threatening TEAE
1 participants
1 participants
1 participants
Overall Summary of TEAEs by Treatment (Replagal RB and Replagal AF)
At least one IRR (infusion related reaction)
1 participants
1 participants
1 participants

Adverse Events

Replagal® (0.2 mg/kg, IV, EOW)

Serious events: 2 serious events
Other events: 12 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Replagal® (0.2 mg/kg, IV, EOW)
n=17 participants at risk
Overall patients that participated in REP-082
Cardiac disorders
Cardiac arrest
5.9%
1/17 • Number of events 1 • Baseline to EOS
Cardiac disorders
Ventricular fibrillation
5.9%
1/17 • Number of events 1 • Baseline to EOS
Respiratory, thoracic and mediastinal disorders
Pneumothorax
5.9%
1/17 • Number of events 1 • Baseline to EOS

Other adverse events

Other adverse events
Measure
Replagal® (0.2 mg/kg, IV, EOW)
n=17 participants at risk
Overall patients that participated in REP-082
Cardiac disorders
Bradycardia
5.9%
1/17 • Number of events 1 • Baseline to EOS
Eye disorders
Visual impairment
5.9%
1/17 • Number of events 2 • Baseline to EOS
Gastrointestinal disorders
Abdominal discomfort
5.9%
1/17 • Number of events 1 • Baseline to EOS
Gastrointestinal disorders
Abdominal pain
11.8%
2/17 • Number of events 4 • Baseline to EOS
Gastrointestinal disorders
Constipation
5.9%
1/17 • Number of events 1 • Baseline to EOS
Gastrointestinal disorders
Diarrhoea
17.6%
3/17 • Number of events 5 • Baseline to EOS
Gastrointestinal disorders
Nausea
11.8%
2/17 • Number of events 5 • Baseline to EOS
Gastrointestinal disorders
Vomiting
11.8%
2/17 • Number of events 2 • Baseline to EOS
General disorders
Fatigue
17.6%
3/17 • Number of events 3 • Baseline to EOS
General disorders
Oedema peripheral
11.8%
2/17 • Number of events 3 • Baseline to EOS
General disorders
Pyrexia
5.9%
1/17 • Number of events 1 • Baseline to EOS
Infections and infestations
Gastroenteritis viral
5.9%
1/17 • Number of events 1 • Baseline to EOS
Infections and infestations
Nasopharyngitis
5.9%
1/17 • Number of events 3 • Baseline to EOS
Infections and infestations
Upper respiratory tract infection
11.8%
2/17 • Number of events 3 • Baseline to EOS
Injury, poisoning and procedural complications
Excoriation
5.9%
1/17 • Number of events 1 • Baseline to EOS
Injury, poisoning and procedural complications
Joint sprain
5.9%
1/17 • Number of events 1 • Baseline to EOS
Injury, poisoning and procedural complications
Procedural pain
5.9%
1/17 • Number of events 1 • Baseline to EOS
Investigations
Blood potassium decreased
5.9%
1/17 • Number of events 1 • Baseline to EOS
Musculoskeletal and connective tissue disorders
Back pain
11.8%
2/17 • Number of events 5 • Baseline to EOS
Musculoskeletal and connective tissue disorders
Muscular weakness
5.9%
1/17 • Number of events 1 • Baseline to EOS
Musculoskeletal and connective tissue disorders
Myalgia
5.9%
1/17 • Number of events 1 • Baseline to EOS
Musculoskeletal and connective tissue disorders
Sensation of heaviness
5.9%
1/17 • Number of events 1 • Baseline to EOS
Musculoskeletal and connective tissue disorders
Tendonitis
5.9%
1/17 • Number of events 1 • Baseline to EOS
Nervous system disorders
Dizziness
11.8%
2/17 • Number of events 5 • Baseline to EOS
Nervous system disorders
Headache
11.8%
2/17 • Number of events 4 • Baseline to EOS
Nervous system disorders
Migraine
5.9%
1/17 • Number of events 1 • Baseline to EOS
Nervous system disorders
Paraesthesia
11.8%
2/17 • Number of events 7 • Baseline to EOS
Psychiatric disorders
Depression
5.9%
1/17 • Number of events 1 • Baseline to EOS
Psychiatric disorders
Stress
5.9%
1/17 • Number of events 1 • Baseline to EOS
Renal and urinary disorders
Haematuria
5.9%
1/17 • Number of events 1 • Baseline to EOS
Reproductive system and breast disorders
Gynaecomastia
5.9%
1/17 • Number of events 1 • Baseline to EOS
Respiratory, thoracic and mediastinal disorders
Dyspnoea
5.9%
1/17 • Number of events 1 • Baseline to EOS
Respiratory, thoracic and mediastinal disorders
Epistaxis
5.9%
1/17 • Number of events 2 • Baseline to EOS
Respiratory, thoracic and mediastinal disorders
Nasal congestion
11.8%
2/17 • Number of events 2 • Baseline to EOS
Respiratory, thoracic and mediastinal disorders
Oropharyngeal pain
5.9%
1/17 • Number of events 2 • Baseline to EOS
Respiratory, thoracic and mediastinal disorders
Sinus congestion
5.9%
1/17 • Number of events 1 • Baseline to EOS
Skin and subcutaneous tissue disorders
Hyperhidrosis
5.9%
1/17 • Number of events 1 • Baseline to EOS
Skin and subcutaneous tissue disorders
Pruritus
5.9%
1/17 • Number of events 1 • Baseline to EOS
Skin and subcutaneous tissue disorders
Rash
5.9%
1/17 • Number of events 1 • Baseline to EOS

Additional Information

Study Director

Shire

Phone: +1 866 842 5335

Results disclosure agreements

  • Principal investigator is a sponsor employee Shire's agreements with investigators vary. All agreements provide Shire the right to embargo communications regarding trial results prior to public release for a period ≤180 days from the time submitted to Shire for review. Shire does not prohibit publication, but can require the removal of confidential information (excluding trial results) and can request postponement of a single-center publication until after disclosure of the trial's multi-center publication.
  • Publication restrictions are in place

Restriction type: OTHER