Clinical Trial Results:
An open-label, single-arm, multi-center phase 2 trial with ofatumumab in patients with relapsed/progressive Diffuse Large B-Cell Lymphoma (DLBCL) ineligible for transplant or relapsed/progression after autologous transplant
Summary
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EudraCT number |
2007-004190-26 |
Trial protocol |
BE DK GB FR ES IT |
Global end of trial date |
18 Aug 2014
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Results information
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Results version number |
v1(current) |
This version publication date |
13 Apr 2016
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First version publication date |
07 Mar 2015
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Other versions |
Trial Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
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Trial identification
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Sponsor protocol code |
GEN415
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Additional study identifiers
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ISRCTN number |
- | ||
US NCT number |
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WHO universal trial number (UTN) |
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Sponsors
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Sponsor organisation name |
GlaxoSmithKline
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Sponsor organisation address |
980 Great West Road, Brentford, Middlesex, United Kingdom,
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Public contact |
GSK Response Center, GlaxoSmithKline, 1 866-435-7343,
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Scientific contact |
GSK Response Center, GlaxoSmithKline, 1 866-435-7343,
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Paediatric regulatory details
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Is trial part of an agreed paediatric investigation plan (PIP) |
No
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Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial? |
No
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Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial? |
No
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Results analysis stage
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Analysis stage |
Final
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Date of interim/final analysis |
13 Oct 2014
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Is this the analysis of the primary completion data? |
No
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Global end of trial reached? |
Yes
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Global end of trial date |
18 Aug 2014
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Was the trial ended prematurely? |
No
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General information about the trial
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Main objective of the trial |
To investigate the efficacy of ofatumumab in patients with relapsed/progressive DLBCL ineligible for transplant or relapsed/progression after autologous transplant
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Protection of trial subjects |
Not applicable
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Background therapy |
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Evidence for comparator |
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Actual start date of recruitment |
13 Dec 2007
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Long term follow-up planned |
Yes
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Long term follow-up rationale |
Efficacy | ||
Long term follow-up duration |
60 Months | ||
Independent data monitoring committee (IDMC) involvement? |
Yes
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Population of trial subjects
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Number of subjects enrolled per country |
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Country: Number of subjects enrolled |
United Kingdom: 24
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Country: Number of subjects enrolled |
Belgium: 23
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Country: Number of subjects enrolled |
Denmark: 2
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Country: Number of subjects enrolled |
Spain: 3
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Country: Number of subjects enrolled |
France: 14
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Country: Number of subjects enrolled |
Italy: 7
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Country: Number of subjects enrolled |
Romania: 4
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Country: Number of subjects enrolled |
United States: 4
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Worldwide total number of subjects |
81
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EEA total number of subjects |
77
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Number of subjects enrolled per age group |
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In utero |
0
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Preterm newborn - gestational age < 37 wk |
0
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Newborns (0-27 days) |
0
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Infants and toddlers (28 days-23 months) |
0
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Children (2-11 years) |
0
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Adolescents (12-17 years) |
0
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Adults (18-64 years) |
31
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From 65 to 84 years |
49
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85 years and over |
1
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Recruitment
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Recruitment details |
- | ||||||||||||||||||||||||||
Pre-assignment
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Screening details |
This was an open-label, single-arm, multi-center phase II trial. During the treatment phase, participants (par.) received 8 weekly infusions of ofatumumab (first infusion of 300 mg followed by 7 infusions of 1000 mg). | ||||||||||||||||||||||||||
Period 1
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Period 1 title |
Overall study (overall period)
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Is this the baseline period? |
Yes | ||||||||||||||||||||||||||
Allocation method |
Non-randomised - controlled
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Blinding used |
Not blinded | ||||||||||||||||||||||||||
Arms
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Arm title
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Ofatumumab | ||||||||||||||||||||||||||
Arm description |
Participants received 8 weekly intravenous (iv) infusions of ofatumumab: first infusion of 300 milligrams (mg), followed by 7 infusions of 1000 mg | ||||||||||||||||||||||||||
Arm type |
Experimental | ||||||||||||||||||||||||||
Investigational medicinal product name |
Ofatumumab
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Concentrate for solution for infusion
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Routes of administration |
Intravenous use
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Dosage and administration details |
Treatment administration: Participants were given ofatumumab by intravenous infusion as follows: First infusion of 300 mg, followed by seven weekly infusions of 1000 mg. Pre-medication with oral paracetamol 1000 mg (or equivalent) and cetirizine 10 mg (or equivalent) before every infusion and glucocorticoid equivalent to 100 mg prednisolone before infusions 1 and 2 was administered 30 minutes to 2 hours prior to treatment with ofatumumab.
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Investigational medicinal product name |
Paracetamol
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Film-coated tablet
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Routes of administration |
Oral use
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Dosage and administration details |
Pre-medication with oral paracetamol 1000 mg (or equivalent) before every infusion.
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Investigational medicinal product name |
Cetirizine
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Tablet
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Routes of administration |
Oral use
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Dosage and administration details |
Pre-medication with oral cetirizine 10 mg (or equivalent) before every infusion.
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Investigational medicinal product name |
Glucocorticoid
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Tablet
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Routes of administration |
Oral use
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Dosage and administration details |
Pre-medication with oral glucocorticoid equivalent to 100 mg prednisolone before infusions 1 and 2 was administered 30 minutes to 2 hours prior to treatment with ofatumumab.
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Baseline characteristics reporting groups
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Reporting group title |
Ofatumumab
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Reporting group description |
Participants received 8 weekly intravenous (iv) infusions of ofatumumab: first infusion of 300 milligrams (mg), followed by 7 infusions of 1000 mg | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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End points reporting groups
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Reporting group title |
Ofatumumab
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Reporting group description |
Participants received 8 weekly intravenous (iv) infusions of ofatumumab: first infusion of 300 milligrams (mg), followed by 7 infusions of 1000 mg |
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End point title |
Number of participants with objective response [1] | ||||||
End point description |
Objective response of ofatumumab treatment was assessed according to the “revised response criteria for malignant lymphoma.” Participants with objective response were defined as responders with complete remission (CR) or partial remission (PR) of disease. CR is defined as the disappearance of all evidence of disease, and PR is defined as the regression of measurable disease with no new sites of disease. Full Analysis Set (FAS): all participants who were exposed to study drug irrespective of their compliance to the planned course of treatment. Response rate is calculated as the number of responses divided by the number of par. treated, expressed as a percentage. Objective response: Estimated value = 11%, 2-sided 95% CI=5% to 20%. The exact (Clopper-Pearson) method was used to calculate the confidence interval (CI).
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End point type |
Primary
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End point timeframe |
6-month period from start of treatment (up to Week 24)
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Notes [1] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point. Justification: Statistical information is entered in the endpoint description. The system does not allow statistical data to be entered in the statisticial analysis section for studies with 1 treatment arm. |
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Notes [2] - FAS |
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No statistical analyses for this end point |
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End point title |
Number of participants classified as responders and non-responders for objective response [3] | ||||||||||||||||
End point description |
According to the "revised response criteria for malignant lymphoma," responders included par. with CR and PR, and non-responders included par. with stable disease (SD) and progressive disease (PD). Par. not evaluable (NE) were also considered to be non-responders. PD is defined as any new lesion or an increase by more than or equal to 50% of previously involved sites from baseline. SD is defined as failure to attain CR, PR, or PD. Response rate is calculated as the number of responses divided by the number of par. treated, expressed as a percentage. Responders with CR: Estimated value = 2%, 2-sided 95% CI=0% to 9%. Responders with PR: Estimated value = 9%, 2-sided 95% CI=4% to 17%. Non-responders with SD: Estimated value = 17%, 2-sided 95% CI=10% to 27%. Non-responders with PD: Estimated value = 42%, 2-sided 95% CI=31% to 53%. Non-responders with NE: Estimated value = 30%, 2-sided 95% CI=20% to 41%. The exact (Clopper-Pearson) method was used to calculate the CI.
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End point type |
Primary
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End point timeframe |
6-month period from start of treatment (up to Week 24)
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Notes [3] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point. Justification: Statistical information is entered in the endpoint description. The system does not allow statistical data to be entered in the statisticial analysis section for studies with 1 treatment arm. |
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Notes [4] - FAS |
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No statistical analyses for this end point |
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End point title |
Duration of response | ||||||||
End point description |
The duration of response was defined as the time from the initial response (CR or PR) to the time of relapse, progression, or death. If the participant was lost to follow-up, the endpoint was censored, and the censoring date was the date of the last attended visit at which the endpoint was assessed. The upper limit of the 95% confidence interval could not be determined (not reached) because too few participants experienced the event; therefore, the value of 99999 was entered which represents NA.
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End point type |
Secondary
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End point timeframe |
From date of start of treatment to 2 years or withdrawal
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Notes [5] - FAS. Only participants with CR or PR were analyzed. |
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No statistical analyses for this end point |
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End point title |
Progression-free survival (PFS) | ||||||||
End point description |
PFS was defined as the time from treatment start until progression or death.
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End point type |
Secondary
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End point timeframe |
From date of start of treatment to 2 years or withdrawal
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Notes [6] - FAS |
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No statistical analyses for this end point |
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End point title |
Time to next Diffuse Large B-Cell Lymphoma (DLBCL) therapy | ||||||||
End point description |
Time to next DLBCL therapy was defined as the time from the first infusion date to the time of the first administration of the next DLBCL treatment other than ofatumumab. If the participants were lost to follow-up, the endpoint was censored, and the censoring date was the date of the last attended visit at which the endpoint was assessed. The median and the upper limit of the 95% confidence interval could not be determined (not reached) because too few participants experienced the event; therefore, the value of 99999 was entered which represents NA.
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End point type |
Secondary
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End point timeframe |
From date of start of treatment to 5 years or withdrawal
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Notes [7] - FAS |
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No statistical analyses for this end point |
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End point title |
Overall Survival (OS) | ||||||||
End point description |
Overall survival is defined as the time from first infusion to death. Overall survival was a secondary endpoint in the study. However, since many participants withdrew from the study after developing disease progression overall survival could not be reliably estimated.
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End point type |
Secondary
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End point timeframe |
From date of start of treatment to 5 years or withdrawal
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Notes [8] - FAS |
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No statistical analyses for this end point |
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End point title |
Number of participants with positive human anti-human antibodies (HAHA) at Screening and at Visits 12, 13, 14, and 18 | ||||||||||||||||
End point description |
HAHA are indicators of immune response to ofatumumab. Blood samples were collected from participants at Visits 1, 12, 13, 14, and 18 and analyzed in batches. The number of participants with positive results at each visit is reported.
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End point type |
Secondary
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End point timeframe |
Screening visit (<= 14 days before treatment start), Visit 12 (Month 6), Visit 13 (Month 9), Visit 14 (Month 12), and Visit 18 (Month 24)
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Notes [9] - FAS. Data are provided for the number of participants attending each visit. |
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No statistical analyses for this end point |
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End point title |
Median percent change from Baseline in CD45+CD19+ and CD45+CD20+ cells in the peripheral blood at the indicated visits | ||||||||||||||||||||||||||||||||||||||||||||||||||||
End point description |
B cells (CD45+CD19+ and CD45+CD20+) were measured in peripheral blood samples by flow cytometry. Percent change from Baseline = (value at the indicated visits minus the value at Baseline divided by the value at Baseline) * 100.
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End point type |
Secondary
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End point timeframe |
Baseline and Visit 10 (Week 8), Visit 11 (Week 11), Visit 12 (Month 6), Visit 13 (Month 9), Visit 14 (Month 12), Visit 15 (Month 15), Visit 16 (Month 18), Visit 17 (Month 21), Visit 18 (Month 24), Visit 19 (Month 30), Visit 20 (Month 36)
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Notes [10] - FAS. Data are provided for the number of participants attending each visit. |
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No statistical analyses for this end point |
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End point title |
Number of participants who experienced at least one adverse event (AE) | ||||||
End point description |
An AE is defined as any untoward medical occurrence in a participant administered a pharmaceutical product that does not necessarily have a causal relationship with this treatment. The protocol-defined AE reporting period was from the first infusion (Visit 2/Week 0) to Visit 18 (Month 24 of follow-up) or time of withdrawal (treatment and follow-up).
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End point type |
Secondary
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End point timeframe |
From the date of start of treatment to 2 years or withdrawal
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Notes [11] - FAS |
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No statistical analyses for this end point |
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End point title |
Percent change from Screening in complement (CH50) levels | ||||||
End point description |
CH50 was mistakenly registered as an outcome measure with the protocol record. Samples were not collected, and no analysis will take place. Thus, no data will be reported for this outcome measure.
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End point type |
Secondary
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End point timeframe |
Screening and post-baseline visits (last visit was to occur 24 months post first dose)
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Notes [12] - FAS |
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No statistical analyses for this end point |
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End point title |
AUC(0-inf) and AUC(0-168) for ofatumumab at the eighth infusion | ||||||||||||
End point description |
AUC is defined as the area under the ofatumumab concentration-time curve as a measure of drug exposure. AUC(0-168) is the AUC from the start of infusion to 168 hours after the start of the infusion; AUC(0-inf) is the AUC from the start of infusion extrapolated to infinity. Data are provided for the number of participants attending each visit for whom the parameter value could be calculated. Participants contributing AUC(0-inf) data also contributed AUC(0-168) data.
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End point type |
Secondary
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End point timeframe |
Visit 9 (Week 7; up to 11 months after last dose)
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Notes [13] - FAS |
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No statistical analyses for this end point |
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End point title |
Cmax and Ctrough for ofatumumab at the first and eighth infusions | ||||||||||||||
End point description |
Cmax is defined as the maximum concentration of drug in serum samples. Ctrough is defined as the minimum observed concentration prior to the start of the next dose. No drug is present prior to the first infusion; therefore, there are no Ctrough results for the first dose.
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End point type |
Secondary
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End point timeframe |
Visit 2 (Week 0) and Visit 9 (Week 7)
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Notes [14] - FAS. Data are provided for the number of participants attending each visit. |
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No statistical analyses for this end point |
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End point title |
Half-life (T1/2) for ofatumumab at the eigth infusion | ||||||||
End point description |
t1/2 is defined as terminal half-life and is the time required for the amount of drug in the body to decrease by half. Data are provided for the number of participants at each visit for whom the parameter could be calculated.
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End point type |
Secondary
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End point timeframe |
Visit 9 (Week 7; up to 11 months after last dose)
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Notes [15] - FAS |
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No statistical analyses for this end point |
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End point title |
Clearance (CL) of ofatumumab at the eighth infusion | ||||||||
End point description |
CL is the clearance of drug from serum, which is defined as the volume of serum from which the drug is cleared per unit time. Data are presented for the number of participants at each visit for whom the parameter can be calculated.
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End point type |
Secondary
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End point timeframe |
Visit 9 (Week 7; up to 11 months after last dose)
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Notes [16] - FAS |
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No statistical analyses for this end point |
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End point title |
Volume of distribution at steady state (Vss) of ofatumumab at the eighth infusion | ||||||||
End point description |
Vss is the volume of distribution at steady state of ofatumumab. Data are presented for the number of participants attending each visit for whom the parameter can be calculated.
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End point type |
Secondary
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End point timeframe |
Visit 9 (Week 7; up to 11 months after the last dose)
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Notes [17] - FAS |
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No statistical analyses for this end point |
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Adverse events information
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Timeframe for reporting adverse events |
Adverse events (AE) were reported from first infusion (Week 0) to Month 24 of follow-up (FU)/withdrawal (treatment and FU). Serious AEs were reported through Month 60 (treatment, FU, and extended FU).
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Assessment type |
Systematic | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary used for adverse event reporting
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Dictionary name |
MedDRA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary version |
15.1
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Reporting groups
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Reporting group title |
Ofatumumab
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Reporting group description |
Participants received 8 weekly iv infusions of ofatumumab: first infusion of 300 mg, followed by 7 infusions of 1000 mg | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Frequency threshold for reporting non-serious adverse events: 5% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Substantial protocol amendments (globally) |
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Were there any global substantial amendments to the protocol? Yes | |||
Date |
Amendment |
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17 Jun 2007 |
Amendment No.: 01
Update the protocol with changes in accordance with the transfer of sponsorship of the trial Gen415 from Genmab A/S to GlaxoSmithKine (GSK)as of 28 April 2008.
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18 Jul 2008 |
Amendment No.: 02
Clarify and elaborate on inclusion criteria no. 1. In the same connection exclusion criteria 15 and the section on pre-medicaton will be updated due to errors. |
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Interruptions (globally) |
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Were there any global interruptions to the trial? No | |||
Limitations and caveats |
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Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data. | |||
None reported |