Trial Outcomes & Findings for A Study of T-VEC (Talimogene Laherparepvec) With or Without Radiotherapy for Melanoma, Merkel Cell Carcinoma, or Other Solid Tumors (NCT NCT02819843)

NCT ID: NCT02819843

Last Updated: 2025-01-29

Results Overview

Overall subject level response is defined as partial or complete (\>50% or greater decrease in largest lesion) by the modified World Health Organization (mWHO) criteria, and will include measurements of tumor size by CT component of PET/CT, and clinically by digital photography.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

19 participants

Primary outcome timeframe

16 weeks

Results posted on

2025-01-29

Participant Flow

Participant milestones

Participant milestones
Measure
Intralesional TALIMOGENE LAHERPAREPVEC Without Radiotherapy
Patients will receive Talimogene Laherparepvec alone, as described above, without radiotherapy. TALIMOGENE LAHERPAREPVEC (TVEC)
Intralesional TALIMOGENE LAHERPAREPVEC With Radiotherapy
Patients will receive 3 radiotherapy treatments (one treatment every 3-5 days) during weeks 3 and 4. The first treatment will occur 6 (+/- 2) hours after the Talimogene Laherparepvec administration at week 3.Talimogene Laherparepvec will be administered at weeks 0, 3, 5, 7, 9, 11, 13 and 15. The first dose of Talimogene Laherparepvec will be 10\^6 plaque forming units (PFU)/mL, followed three weeks later by a dose of 10\^8 pfu/mL. TALIMOGENE LAHERPAREPVEC (TVEC) Hypofractionated Radiotherapy
Overall Study
STARTED
9
10
Overall Study
COMPLETED
9
9
Overall Study
NOT COMPLETED
0
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Intralesional TALIMOGENE LAHERPAREPVEC Without Radiotherapy
Patients will receive Talimogene Laherparepvec alone, as described above, without radiotherapy. TALIMOGENE LAHERPAREPVEC (TVEC)
Intralesional TALIMOGENE LAHERPAREPVEC With Radiotherapy
Patients will receive 3 radiotherapy treatments (one treatment every 3-5 days) during weeks 3 and 4. The first treatment will occur 6 (+/- 2) hours after the Talimogene Laherparepvec administration at week 3.Talimogene Laherparepvec will be administered at weeks 0, 3, 5, 7, 9, 11, 13 and 15. The first dose of Talimogene Laherparepvec will be 10\^6 plaque forming units (PFU)/mL, followed three weeks later by a dose of 10\^8 pfu/mL. TALIMOGENE LAHERPAREPVEC (TVEC) Hypofractionated Radiotherapy
Overall Study
Disease progression before RT
0
1

Baseline Characteristics

A Study of T-VEC (Talimogene Laherparepvec) With or Without Radiotherapy for Melanoma, Merkel Cell Carcinoma, or Other Solid Tumors

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Intralesional TALIMOGENE LAHERPAREPVEC Without Radiotherapy
n=9 Participants
Patients will receive Talimogene Laherparepvec alone, as described above, without radiotherapy. TALIMOGENE LAHERPAREPVEC (TVEC)
Intralesional TALIMOGENE LAHERPAREPVEC With Radiotherapy
n=10 Participants
Patients will receive 3 radiotherapy treatments (one treatment every 3-5 days) during weeks 3 and 4. The first treatment will occur 6 (+/- 2) hours after the Talimogene Laherparepvec administration at week 3.Talimogene Laherparepvec will be administered at weeks 0, 3, 5, 7, 9, 11, 13 and 15. The first dose of Talimogene Laherparepvec will be 10\^6 plaque forming units (PFU)/mL, followed three weeks later by a dose of 10\^8 pfu/mL. TALIMOGENE LAHERPAREPVEC (TVEC) Hypofractionated Radiotherapy
Total
n=19 Participants
Total of all reporting groups
Age, Continuous
70 years
n=5 Participants
62 years
n=7 Participants
65 years
n=5 Participants
Sex: Female, Male
Female
5 Participants
n=5 Participants
8 Participants
n=7 Participants
13 Participants
n=5 Participants
Sex: Female, Male
Male
4 Participants
n=5 Participants
2 Participants
n=7 Participants
6 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=5 Participants
0 Participants
n=7 Participants
2 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
7 Participants
n=5 Participants
10 Participants
n=7 Participants
17 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
2 Participants
n=7 Participants
2 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
2 Participants
n=7 Participants
2 Participants
n=5 Participants
Race (NIH/OMB)
White
9 Participants
n=5 Participants
6 Participants
n=7 Participants
15 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
9 Participants
n=5 Participants
10 Participants
n=7 Participants
19 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 16 weeks

Overall subject level response is defined as partial or complete (\>50% or greater decrease in largest lesion) by the modified World Health Organization (mWHO) criteria, and will include measurements of tumor size by CT component of PET/CT, and clinically by digital photography.

Outcome measures

Outcome measures
Measure
Intralesional TALIMOGENE LAHERPAREPVEC Without Radiotherapy
n=9 Participants
Patients will receive Talimogene Laherparepvec alone, as described above, without radiotherapy. TALIMOGENE LAHERPAREPVEC (TVEC)
Intralesional TALIMOGENE LAHERPAREPVEC With Radiotherapy
n=10 Participants
Patients will receive 3 radiotherapy treatments (one treatment every 3-5 days) during weeks 3 and 4. The first treatment will occur 6 (+/- 2) hours after the Talimogene Laherparepvec administration at week 3.Talimogene Laherparepvec will be administered at weeks 0, 3, 5, 7, 9, 11, 13 and 15. The first dose of Talimogene Laherparepvec will be 10\^6 plaque forming units (PFU)/mL, followed three weeks later by a dose of 10\^8 pfu/mL. TALIMOGENE LAHERPAREPVEC (TVEC) Hypofractionated Radiotherapy
Best Response
Progressive Disease
6 Participants
4 Participants
Best Response
Complete Response
1 Participants
1 Participants
Best Response
Partial Response
0 Participants
0 Participants
Best Response
Stable Disease
2 Participants
5 Participants

Adverse Events

Intralesional TALIMOGENE LAHERPAREPVEC Without Radiotherapy

Serious events: 0 serious events
Other events: 9 other events
Deaths: 8 deaths

Intralesional TALIMOGENE LAHERPAREPVEC With Radiotherapy

Serious events: 0 serious events
Other events: 10 other events
Deaths: 9 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Intralesional TALIMOGENE LAHERPAREPVEC Without Radiotherapy
n=9 participants at risk
Patients will receive Talimogene Laherparepvec alone, as described above, without radiotherapy. TALIMOGENE LAHERPAREPVEC (TVEC)
Intralesional TALIMOGENE LAHERPAREPVEC With Radiotherapy
n=10 participants at risk
Patients will receive 3 radiotherapy treatments (one treatment every 3-5 days) during weeks 3 and 4. The first treatment will occur 6 (+/- 2) hours after the Talimogene Laherparepvec administration at week 3.Talimogene Laherparepvec will be administered at weeks 0, 3, 5, 7, 9, 11, 13 and 15. The first dose of Talimogene Laherparepvec will be 10\^6 plaque forming units (PFU)/mL, followed three weeks later by a dose of 10\^8 pfu/mL. TALIMOGENE LAHERPAREPVEC (TVEC) Hypofractionated Radiotherapy
General disorders
Fever
55.6%
5/9 • Up to 30 months
30.0%
3/10 • Up to 30 months
General disorders
Fatigue
22.2%
2/9 • Up to 30 months
30.0%
3/10 • Up to 30 months
General disorders
Chills
22.2%
2/9 • Up to 30 months
50.0%
5/10 • Up to 30 months
Gastrointestinal disorders
Vomiting
11.1%
1/9 • Up to 30 months
10.0%
1/10 • Up to 30 months
Respiratory, thoracic and mediastinal disorders
Dyspnea
0.00%
0/9 • Up to 30 months
10.0%
1/10 • Up to 30 months
Gastrointestinal disorders
Constipation
11.1%
1/9 • Up to 30 months
0.00%
0/10 • Up to 30 months
Vascular disorders
Hypotension
11.1%
1/9 • Up to 30 months
0.00%
0/10 • Up to 30 months
Injury, poisoning and procedural complications
Radiation dermatitis
0.00%
0/9 • Up to 30 months
30.0%
3/10 • Up to 30 months
General disorders
Pain
11.1%
1/9 • Up to 30 months
0.00%
0/10 • Up to 30 months
Psychiatric disorders
Confusion
11.1%
1/9 • Up to 30 months
0.00%
0/10 • Up to 30 months

Additional Information

Dr. Christopher Barker, MD

Memorial Sloan Kettering Cancer Center

Phone: 212-639-8168

Results disclosure agreements

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