Clinical Trial Results:
An Extension Protocol to Evaluate the Efficacy and Safety of Extended Use Treatment with OncoVEX^GM-CSF for Eligible Melanoma Patients Participating in Study 005/05
Summary
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EudraCT number |
2010-021070-11 |
Trial protocol |
GB |
Global end of trial date |
08 Aug 2014
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Results information
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Results version number |
v1(current) |
This version publication date |
30 Apr 2016
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First version publication date |
30 Apr 2016
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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 |
005/05-E
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Additional study identifiers
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ISRCTN number |
- | ||
US NCT number |
NCT01368276 | ||
WHO universal trial number (UTN) |
- | ||
Other trial identifiers |
Amgen study ID: 20110279 | ||
Sponsors
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Sponsor organisation name |
Amgen, Inc.
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Sponsor organisation address |
One Amgen Center Drive, Thousand Oaks, CA, United States, 91320
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Public contact |
IHQ Medical Info-Clinical Trials, Amgen (EUROPE) GmbH, MedInfoInternational@amgen.com
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Scientific contact |
IHQ Medical Info-Clinical Trials, Amgen (EUROPE) GmbH, MedInfoInternational@amgen.com
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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 |
08 Aug 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 |
08 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 |
The purpose of this study is to learn about the safety and the risks of using talimogene laherparepvec in patients who already received treatment with talimogene laherparepvec in study 005/05 (2008-006140-20), and to see if extended treatment with talimogene laherparepvec can destroy melanoma tumors.
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Protection of trial subjects |
This study was conducted in accordance with International Conference on Harmonisation (ICH) Good
Clinical Practice (GCP) regulations/guidelines.
Written informed consent, properly witnessed and executed, was obtained from each subject before
study entry.
The protocol, informed consent, and other appropriate study documentation were approved by the
Independent Ethics Committee (IEC) or Institutional Review Board (IRB) of each study center before the
study began.
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Background therapy |
- | ||
Evidence for comparator |
- | ||
Actual start date of recruitment |
21 Oct 2010
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Long term follow-up planned |
No
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Independent data monitoring committee (IDMC) involvement? |
No
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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 |
South Africa: 2
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Country: Number of subjects enrolled |
United Kingdom: 2
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Country: Number of subjects enrolled |
United States: 27
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Worldwide total number of subjects |
31
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EEA total number of subjects |
2
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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) |
16
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From 65 to 84 years |
13
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85 years and over |
2
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Recruitment
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Recruitment details |
This extension was available to patients who participated in study 005/05 (2008-006140-20), received the maximum allowable number of treatments or developed new lesion(s) within ≤ 12 months from the end of treatment visit after previous resolution of all disease while on study 005/05, and warranted further treatment per the investigator. | |||||||||||||||
Pre-assignment
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Screening details |
Participants received the same treatment as randomized under the 005/05 study. | |||||||||||||||
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 |
Randomised - controlled
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Blinding used |
Not blinded | |||||||||||||||
Arms
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Are arms mutually exclusive |
Yes
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Arm title
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GM-CSF | |||||||||||||||
Arm description |
Granulocyte macrophage colony-stimulating factor (GM-CSF) was administered at a dose of 125 μg/m²/day subcutaneously for 14 consecutive days followed by 14 days of rest, in 28-day treatment cycles for up to 12 months or until a complete response, occurrence of an unacceptable toxicity, death or another criterion for withdrawal from treatment was met. Participants who demonstrated a partial response after being on treatment for 12 months could continue to be treated until disease progression or another treatment discontinuation criterion was met. | |||||||||||||||
Arm type |
Active comparator | |||||||||||||||
Investigational medicinal product name |
Granulocyte Macrophage Colony-Stimulating Factor (GM-CSF)
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Solution for injection
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Routes of administration |
Subcutaneous use
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Dosage and administration details |
125 µg/m² subcutaneous injection
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Arm title
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Talimogene Laherparepvec | |||||||||||||||
Arm description |
Talimogene laherparepvec was administered at a concentration of 10⁸ plaque forming units (PFU)/mL injected into 1 or more skin or subcutaneous tumors on Days 1 and 15 of each 28-day cycle for up to 12 months or until a complete response, occurrence of an unacceptable toxicity, death or another criterion for withdrawal from treatment was met. Participants who demonstrated a partial response after being on treatment for 12 months could continue to be treated until disease progression or another treatment discontinuation criterion was met. | |||||||||||||||
Arm type |
Experimental | |||||||||||||||
Investigational medicinal product name |
Talimogene Laherparepvec
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Investigational medicinal product code |
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Other name |
OncoVEX^GM-CSF, IMLYGIC™
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Pharmaceutical forms |
Solution for injection
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Routes of administration |
Intratumoral use
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Dosage and administration details |
Up to 4 mL of 10⁸ pfu/mL/per intratumoral injection
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Baseline characteristics reporting groups
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Reporting group title |
GM-CSF
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Reporting group description |
Granulocyte macrophage colony-stimulating factor (GM-CSF) was administered at a dose of 125 μg/m²/day subcutaneously for 14 consecutive days followed by 14 days of rest, in 28-day treatment cycles for up to 12 months or until a complete response, occurrence of an unacceptable toxicity, death or another criterion for withdrawal from treatment was met. Participants who demonstrated a partial response after being on treatment for 12 months could continue to be treated until disease progression or another treatment discontinuation criterion was met. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Talimogene Laherparepvec
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Reporting group description |
Talimogene laherparepvec was administered at a concentration of 10⁸ plaque forming units (PFU)/mL injected into 1 or more skin or subcutaneous tumors on Days 1 and 15 of each 28-day cycle for up to 12 months or until a complete response, occurrence of an unacceptable toxicity, death or another criterion for withdrawal from treatment was met. Participants who demonstrated a partial response after being on treatment for 12 months could continue to be treated until disease progression or another treatment discontinuation criterion was met. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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End points reporting groups
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Reporting group title |
GM-CSF
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Reporting group description |
Granulocyte macrophage colony-stimulating factor (GM-CSF) was administered at a dose of 125 μg/m²/day subcutaneously for 14 consecutive days followed by 14 days of rest, in 28-day treatment cycles for up to 12 months or until a complete response, occurrence of an unacceptable toxicity, death or another criterion for withdrawal from treatment was met. Participants who demonstrated a partial response after being on treatment for 12 months could continue to be treated until disease progression or another treatment discontinuation criterion was met. | ||
Reporting group title |
Talimogene Laherparepvec
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Reporting group description |
Talimogene laherparepvec was administered at a concentration of 10⁸ plaque forming units (PFU)/mL injected into 1 or more skin or subcutaneous tumors on Days 1 and 15 of each 28-day cycle for up to 12 months or until a complete response, occurrence of an unacceptable toxicity, death or another criterion for withdrawal from treatment was met. Participants who demonstrated a partial response after being on treatment for 12 months could continue to be treated until disease progression or another treatment discontinuation criterion was met. |
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End point title |
Number of Participants with Treatment-emergent Adverse Events (AEs) [1] | ||||||||||||||||||||||||||||||||||||||||||
End point description |
AEs were graded according to the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE), version 3.0 based on the following guideline:
Grade 1: Mild AE; Grade 2: Moderate AE; Grade 3: Severe AE; Grade 4: Life-threatening or disabling AE; Grade 5: Death related to AE.
Treatment-related AE refers to AEs that have possible or probable relation to study treatment as determined by the investigator.
A serious AE is one that meets one or more of the following criteria/outcomes:
• Results in death.
• Is life-threatening.
• Requires inpatient hospitalization or prolongation of existing hospitalization.
• Results in persistent or significant disability/incapacity.
• Is a congenital anomaly/birth defect.
• Is an important medical event.
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End point type |
Primary
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End point timeframe |
From first administration of study drug in the extension period until 30 days after last dose. Median duration of treatment was 50 weeks in the GM-CSF group and 36 weeks in the talimogene laherparepvec group.
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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 analyses were not performed. |
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No statistical analyses for this end point |
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End point title |
Objective Response Rate | ||||||||||||
End point description |
Objective response rate was defined as the percentage of participants with a best overall response of complete response (CR) or partial response (PR) assessed by the investigator. Best overall response for a patient is the best overall response observed across all time points and is cumulative (ie, includes responses during the parent study 005/05 and during Study 005/05-E).
Disease assessments were performed at the beginning of each treatment cycle and assessed in accordance with modified World Health Organization criteria.
CR: Disappearance of all clinical evidence of tumor (both measurable and non-measurable but evaluable disease); PR: ≥ 50% reduction in the sum of the products of the perpendicular diameters of all measurable tumors at the time of assessment as compared to baseline.
For 100% response, the asymptotic 95% CI was not estimated since the mathematical formula is not considered appropriate in such extreme cases; this is represented by "100" in the table below.
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End point type |
Secondary
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End point timeframe |
From randomization in study 005/05 until the data-cut-off date for the extension period of 08 August 2014; median treatment duration for 005/05 and 005/05-E studies combined was 88 weeks for talimogene laherparepvec and 100 weeks for GM-CSF.
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Statistical analysis title |
Objective Response Rate Analysis | ||||||||||||
Comparison groups |
GM-CSF v Talimogene Laherparepvec
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Number of subjects included in analysis |
31
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Analysis specification |
Pre-specified
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Analysis type |
other [2] | ||||||||||||
P-value |
= 0.2645 | ||||||||||||
Method |
Fisher exact | ||||||||||||
Confidence interval |
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Notes [2] - Descriptive |
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End point title |
Durable Response Rate | ||||||||||||
End point description |
Durable response rate is defined as the percentage of participants with a complete response (CR) or partial response (PR) assessed by the investigator, initiating at any time while receiving talimogene laherparepvec or GM-CSF therapy on the 005/05 or the 005/05-E study and maintained continuously for at least 6 months from response initiation. This reflects all new sites of disease as well as disease sites identified at baseline.
Disease assessments were performed at the beginning of each treatment cycle in accordance with modified World Health Organization criteria.
CR: Disappearance of all clinical evidence of tumor (both measurable and non-measurable but evaluable disease); PR: ≥ 50% reduction in the sum of the products of the perpendicular diameters of all measurable tumors at the time of assessment as compared to baseline.
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End point type |
Secondary
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End point timeframe |
From randomization in study 005/05 until the data-cut-off date for the extension period of 08 August 2014; median treatment duration for 005/05 and 005/05-E studies combined was 88 weeks for talimogene laherparepvec and 100 weeks for GM-CSF.
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Statistical analysis title |
Durable Response Rate Analysis | ||||||||||||
Comparison groups |
GM-CSF v Talimogene Laherparepvec
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Number of subjects included in analysis |
31
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Analysis specification |
Pre-specified
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Analysis type |
other [3] | ||||||||||||
P-value |
= 1 | ||||||||||||
Method |
Fisher exact | ||||||||||||
Parameter type |
Treatment Difference | ||||||||||||
Point estimate |
-1.2
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Confidence interval |
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level |
95% | ||||||||||||
sides |
2-sided
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lower limit |
-57.3 | ||||||||||||
upper limit |
54.9 | ||||||||||||
Notes [3] - Descriptive |
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Adverse events information
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Timeframe for reporting adverse events |
From first administration of study drug in the extension period until 30 days after last dose. Median duration of treatment was 50 weeks in the GM-CSF group and 36 weeks in the talimogene laherparepvec group.
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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 |
Talimogene Laherparepvec
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Reporting group description |
Talimogene laherparepvec was administered at a concentration of 10⁸ PFU/mL injected into 1 or more skin or subcutaneous tumors on Days 1 and 15 of each 28-day cycle for up to 12 months or until a complete response, occurrence of an unacceptable toxicity, death or another criterion for withdrawal from treatment was met. Participants who demonstrated a partial response after being on treatment for 12 months could continue to be treated until disease progression or another treatment discontinuation criterion was met. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
GM-CSF
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Reporting group description |
GM-CSF was administered at a dose of 125 μg/m²/day subcutaneously for 14 consecutive days followed by 14 days of rest, in 28-day treatment cycles for up to 12 months or until a complete response, occurrence of an unacceptable toxicity, death or another criterion for withdrawal from treatment was met. Participants who demonstrated a partial response after being on treatment for 12 months could continue to be treated until disease progression or another treatment discontinuation criterion was met. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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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28 Nov 2011 |
- Allowed the inclusion of subjects randomized to GM-CSF in the parent study in this extension study. The subjects remained on GM-CSF and information on GM-CSF administration was included in the protocol.
- Inclusion criteria 1b revised to read “New lesion(s) appearing after 12 months from randomization after previous resolution of all disease while on study 005/05”
- Verbiage added stating the subject will receive study drug randomized under the 005/05 study, crossover is not permitted.
- Verbiage added stating that if a subject demonstrates central nervous system (CNS) progressive disease, they may be allowed to remain on study provided CNS lesions can be treated with radiotherapy or surgery. |
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29 Oct 2012 |
- Continued treatment of ongoing subjects who met the protocol-specified tumor response criteria of partial response after being on study treatment for 12 months and are still benefiting from study treatment
- Revised the eligibility criteria to restrict enrollment to subjects with new injectable lesions that appeared within ≤ 12 months from the End of Treatment visit on the Study 005/05.
- Revised the eligibility criteria to add a requirement that subjects must not have received anti-tumor therapies for melanoma after end of treatment on Study 05/05 and prior to enrollment on Study
005/05-E with the exception of radiation for palliation or surgical resection of melanoma tumor.
- Revised the response criteria to align with the response criteria in the protocol amendment 4 of the Study 005/05.
- Deleted the Data Monitoring Committee (DMC) section from the protocol because the procedures in the DMC Charter of the Study 005/05 do not include review of safety data from the extension study. |
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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 |