Trial Outcomes & Findings for A Phase II Trial of Low-Dose Interleukin-2 (IL-2) Added to Extra-Corporeal Photopheresis for Steroid-Refractory cGVHD (NCT NCT02340676)

NCT ID: NCT02340676

Last Updated: 2026-02-20

Results Overview

Participants will have their cGVHD evaluated at baseline through Week 16.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

25 participants

Primary outcome timeframe

Baseline through Week 16 of the study

Results posted on

2026-02-20

Participant Flow

Participant milestones

Participant milestones
Measure
ECP Plus IL-2
* Extracorporeal Photopheresis (ECP) standard-of-care * Daily subcutaneous (SC) interleukin-2 (IL-2) (Proleukin®) during predetermined weeks of treatment cycle Extracorporeal Photopheresis (ECP): Participants receive ECP treatment twice a week for 16 weeks Interleukin-2: Participants receive daily IL-2 injections starting Week 8 of study and ending at Week 16
Overall Study
STARTED
25
Overall Study
COMPLETED
25
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

A Phase II Trial of Low-Dose Interleukin-2 (IL-2) Added to Extra-Corporeal Photopheresis for Steroid-Refractory cGVHD

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
ECP Plus IL-2
n=25 Participants
* Extracorporeal Photopheresis (ECP) standard-of-care * Daily subcutaneous (SC) interleukin-2 (IL-2) (Proleukin®) during predetermined weeks of treatment cycle Extracorporeal Photopheresis (ECP): Participants receive ECP treatment twice a week for 16 weeks Interleukin-2: Participants receive daily IL-2 injections starting Week 8 of study and ending at Week 16
Age, Categorical
<=18 years
0 Participants
n=14 Participants
Age, Categorical
Between 18 and 65 years
18 Participants
n=14 Participants
Age, Categorical
>=65 years
7 Participants
n=14 Participants
Age, Continuous
62 years
n=14 Participants
Sex: Female, Male
Female
13 Participants
n=14 Participants
Sex: Female, Male
Male
12 Participants
n=14 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=14 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
22 Participants
n=14 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
3 Participants
n=14 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=14 Participants
Race (NIH/OMB)
Asian
1 Participants
n=14 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=14 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=14 Participants
Race (NIH/OMB)
White
24 Participants
n=14 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=14 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=14 Participants
Region of Enrollment
United States
25 Participants
n=14 Participants
Chronic Graft-versus-Host Disease (cGVHD)
Mild
1 Participants
n=14 Participants
Chronic Graft-versus-Host Disease (cGVHD)
Moderate
19 Participants
n=14 Participants
Chronic Graft-versus-Host Disease (cGVHD)
Severe
5 Participants
n=14 Participants

PRIMARY outcome

Timeframe: Baseline through Week 16 of the study

Population: 22 evaluable for efficacy

Participants will have their cGVHD evaluated at baseline through Week 16.

Outcome measures

Outcome measures
Measure
ECP Plus IL-2
n=25 Participants
* Extracorporeal Photopheresis (ECP) standard-of-care * Daily subcutaneous (SC) interleukin-2 (IL-2) (Proleukin®) during predetermined weeks of treatment cycle Extracorporeal Photopheresis (ECP): Participants receive ECP treatment twice a week for 16 weeks Interleukin-2: Participants receive daily IL-2 injections starting Week 8 of study and ending at Week 16
Percentage of Participant With Response at Week 16
59 percentage of patients
Interval 40.0 to 77.0

SECONDARY outcome

Timeframe: Baseline through Week 16 of the study

All Grade 3 or higher toxicities related to ECP plus low-dose SC IL-2 therapy have been reported.

Outcome measures

Outcome measures
Measure
ECP Plus IL-2
n=25 Participants
* Extracorporeal Photopheresis (ECP) standard-of-care * Daily subcutaneous (SC) interleukin-2 (IL-2) (Proleukin®) during predetermined weeks of treatment cycle Extracorporeal Photopheresis (ECP): Participants receive ECP treatment twice a week for 16 weeks Interleukin-2: Participants receive daily IL-2 injections starting Week 8 of study and ending at Week 16
Number of Grade 3 or Higher Toxicities Related to ECP Plus Low-dose SC IL-2 Therapy
Grade 3
5 Occurrance of reported grade
Number of Grade 3 or Higher Toxicities Related to ECP Plus Low-dose SC IL-2 Therapy
Grade 4
0 Occurrance of reported grade
Number of Grade 3 or Higher Toxicities Related to ECP Plus Low-dose SC IL-2 Therapy
Grade 5
0 Occurrance of reported grade

SECONDARY outcome

Timeframe: Baseline through Week 16 of the study

Assays will be conducted to detect Change in Regulatory T cell counts during ECP plus low-dose daily SC IL-2

Outcome measures

Outcome measures
Measure
ECP Plus IL-2
n=25 Participants
* Extracorporeal Photopheresis (ECP) standard-of-care * Daily subcutaneous (SC) interleukin-2 (IL-2) (Proleukin®) during predetermined weeks of treatment cycle Extracorporeal Photopheresis (ECP): Participants receive ECP treatment twice a week for 16 weeks Interleukin-2: Participants receive daily IL-2 injections starting Week 8 of study and ending at Week 16
Regulatory T Cell Counts During ECP Plus Low-dose Daily SC IL-2
Baseline
11.7 cells/uL
Interval 5.6 to 18.2
Regulatory T Cell Counts During ECP Plus Low-dose Daily SC IL-2
Week 16
50.7 cells/uL
Interval 32.5 to 75.4

SECONDARY outcome

Timeframe: Baseline through Week 16 of the study

Prednisone use was assessed during ECP plus low-dose IL-2 treatment at baseline through Week 16 of study.

Outcome measures

Outcome measures
Measure
ECP Plus IL-2
n=25 Participants
* Extracorporeal Photopheresis (ECP) standard-of-care * Daily subcutaneous (SC) interleukin-2 (IL-2) (Proleukin®) during predetermined weeks of treatment cycle Extracorporeal Photopheresis (ECP): Participants receive ECP treatment twice a week for 16 weeks Interleukin-2: Participants receive daily IL-2 injections starting Week 8 of study and ending at Week 16
Prednisone Use During ECP Plus Low-dose IL-2 From Baseline Through Week 16 of Study
25 median percentage of change
Interval -67.0 to 300.0

SECONDARY outcome

Timeframe: From the start of treatment to 1 Year

Overall survival From the start of treatment to 1 Year was assessed

Outcome measures

Outcome measures
Measure
ECP Plus IL-2
n=25 Participants
* Extracorporeal Photopheresis (ECP) standard-of-care * Daily subcutaneous (SC) interleukin-2 (IL-2) (Proleukin®) during predetermined weeks of treatment cycle Extracorporeal Photopheresis (ECP): Participants receive ECP treatment twice a week for 16 weeks Interleukin-2: Participants receive daily IL-2 injections starting Week 8 of study and ending at Week 16
Overall Survival
80 percentage of probability
Interval 58.0 to 91.0

SECONDARY outcome

Timeframe: From the start of treatment to 1 Year

One year overall survival was analyzed

Outcome measures

Outcome measures
Measure
ECP Plus IL-2
n=25 Participants
* Extracorporeal Photopheresis (ECP) standard-of-care * Daily subcutaneous (SC) interleukin-2 (IL-2) (Proleukin®) during predetermined weeks of treatment cycle Extracorporeal Photopheresis (ECP): Participants receive ECP treatment twice a week for 16 weeks Interleukin-2: Participants receive daily IL-2 injections starting Week 8 of study and ending at Week 16
Progression-free Survival
76 percentage of probability
Interval 54.0 to 88.0

SECONDARY outcome

Timeframe: From the start of treatment to 1 Year

Participants one year cumulative incidence of Non-relapse mortality was assessed.

Outcome measures

Outcome measures
Measure
ECP Plus IL-2
n=25 Participants
* Extracorporeal Photopheresis (ECP) standard-of-care * Daily subcutaneous (SC) interleukin-2 (IL-2) (Proleukin®) during predetermined weeks of treatment cycle Extracorporeal Photopheresis (ECP): Participants receive ECP treatment twice a week for 16 weeks Interleukin-2: Participants receive daily IL-2 injections starting Week 8 of study and ending at Week 16
Non-relapse Mortality
20 percentage of probability
Interval 7.0 to 38.0

SECONDARY outcome

Timeframe: From the start of treatment to 1 Year

Relapse at 1 year was assessed

Outcome measures

Outcome measures
Measure
ECP Plus IL-2
n=25 Participants
* Extracorporeal Photopheresis (ECP) standard-of-care * Daily subcutaneous (SC) interleukin-2 (IL-2) (Proleukin®) during predetermined weeks of treatment cycle Extracorporeal Photopheresis (ECP): Participants receive ECP treatment twice a week for 16 weeks Interleukin-2: Participants receive daily IL-2 injections starting Week 8 of study and ending at Week 16
Relapse at 1 Year
4 percentage of probability
Interval 0.3 to 17.0

Adverse Events

ECP Plus IL-2

Serious events: 3 serious events
Other events: 2 other events
Deaths: 3 deaths

Serious adverse events

Serious adverse events
Measure
ECP Plus IL-2
n=25 participants at risk
* Extracorporeal Photopheresis (ECP) standard-of-care * Daily subcutaneous (SC) interleukin-2 (IL-2) (Proleukin®) during predetermined weeks of treatment cycle Extracorporeal Photopheresis (ECP): Participants receive ECP treatment twice a week for 16 weeks Interleukin-2: Participants receive daily IL-2 injections starting Week 8 of study and ending at Week 16
Respiratory, thoracic and mediastinal disorders
Bronchiolitis Obliterans Syndrome
4.0%
1/25 • Number of events 1 • Adverse event data was collected from initiation of study intervention, throughout the study, and within 30 days of the last study intervention.
Reporting Participating investigators assessed the occurrence of Adverse Events and Serious Adverse Events at all participant evaluation time points during the study.
Infections and infestations
Parainfluenza Type 3
4.0%
1/25 • Number of events 1 • Adverse event data was collected from initiation of study intervention, throughout the study, and within 30 days of the last study intervention.
Reporting Participating investigators assessed the occurrence of Adverse Events and Serious Adverse Events at all participant evaluation time points during the study.
Cardiac disorders
Cardiac Arrest
4.0%
1/25 • Number of events 1 • Adverse event data was collected from initiation of study intervention, throughout the study, and within 30 days of the last study intervention.
Reporting Participating investigators assessed the occurrence of Adverse Events and Serious Adverse Events at all participant evaluation time points during the study.

Other adverse events

Other adverse events
Measure
ECP Plus IL-2
n=25 participants at risk
* Extracorporeal Photopheresis (ECP) standard-of-care * Daily subcutaneous (SC) interleukin-2 (IL-2) (Proleukin®) during predetermined weeks of treatment cycle Extracorporeal Photopheresis (ECP): Participants receive ECP treatment twice a week for 16 weeks Interleukin-2: Participants receive daily IL-2 injections starting Week 8 of study and ending at Week 16
Respiratory, thoracic and mediastinal disorders
Cough
4.0%
1/25 • Number of events 1 • Adverse event data was collected from initiation of study intervention, throughout the study, and within 30 days of the last study intervention.
Reporting Participating investigators assessed the occurrence of Adverse Events and Serious Adverse Events at all participant evaluation time points during the study.
Vascular disorders
Acute Limb Schemia
4.0%
1/25 • Number of events 1 • Adverse event data was collected from initiation of study intervention, throughout the study, and within 30 days of the last study intervention.
Reporting Participating investigators assessed the occurrence of Adverse Events and Serious Adverse Events at all participant evaluation time points during the study.

Additional Information

Dr. John Koreth, MBBS, DPhil

Dana-Farber Cancer Institute

Phone: (617) 632-2949

Results disclosure agreements

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