Ibrutinib in Combination With Corticosteroids vs Placebo in Combination With Corticosteroids in Participants With New Onset Chronic Graft Versus Host Disease (cGVHD)

The cumulative incidence of withdrawal of all corticosteroids (95% confidence interval [CI]) was calculated using SAS lifetest procedure adjusting for competing risks including death, cGVHD progression, relapse of underlying disease, and start of subsequent cGVHD therapy. Data presented are the estimated proportion of participants withdrawing all corticosteroids at given time point. The time to withdrawal of corticosteroids is computed from randomization date to the first date of withdrawal of all corticosteroids for treatment of cGVHD to 0 mg daily for at least 30 days.

The cumulative incidence of withdrawal of all corticosteroids (95% confidence interval [CI]) was calculated using SAS lifetest procedure adjusting for competing risks including death, cGVHD progression, relapse of underlying disease, and start of subsequent cGVHD therapy. Data presented are the estimated proportion of participants withdrawing all corticosteroids at given time point. The time to withdrawal of corticosteroids is computed from randomization date to the first date of withdrawal of all corticosteroids for treatment of cGVHD to 0 mg daily for at least 30 days.

The cumulative incidence of withdrawal of all immunosuppressants (95% CI) was calculated using SAS lifetest procedure adjusting for competing risks including death, cGVHD progression, relapse of underlying disease, and start of subsequent cGVHD therapy. Data presented are the estimated proportion of participants withdrawing all immunosuppressants at a given time point. The time to withdrawal of all immunosuppressants is computed from randomization date to the first date of withdrawal of all immunosuppressants for treatment of cGVHD, sustained for at least 30 days. All immunosuppressants include corticosteroids but they do not include ibrutinib.

The cumulative incidence of withdrawal of all immunosuppressants (95% CI) was calculated using SAS lifetest procedure adjusting for competing risks including death, cGVHD progression, relapse of underlying disease, and start of subsequent cGVHD therapy. Data presented are the estimated proportion of participants withdrawing all immunosuppressants at a given time point. The time to withdrawal of all immunosuppressants is computed from randomization date to the first date of withdrawal of all immunosuppressants for treatment of cGVHD, sustained for at least 30 days. All immunosuppressants include corticosteroids but they do not include ibrutinib.

Response rate was defined as the percentage of participants who were responders. Responders were defined as participants who had a CR or PR at 24 weeks without starting any subsequent therapy for cGVHD or having evidence of relapse of their underlying disease that was indication for transplant prior to response assessment at 24 weeks.

Response was defined using the National Institutes of Health (NIH) Consensus Panel Chronic GVHD Activity Assessment (2014). Skin, mouth, liver, upper and lower gastrointestinal, esophagus, lung, eye, and joint/fascia are the organs or sites considered in evaluating overall response. CR is defined as resolution of all manifestations in each organ or site. PR is defined as improvement in at least 1 organ or site without progression in any other organ or site.

Response rate was defined as the percentage of participants who were responders. Responders were defined as participants who had a CR or PR at 24 weeks without starting any subsequent therapy for cGVHD or having evidence of relapse of their underlying disease that was indication for transplant prior to response assessment at 24 weeks.

Response was defined using the National Institutes of Health (NIH) Consensus Panel Chronic GVHD Activity Assessment (2014). Skin, mouth, liver, upper and lower gastrointestinal, esophagus, lung, eye, and joint/fascia are the organs or sites considered in evaluating overall response. CR is defined as resolution of all manifestations in each organ or site. PR is defined as improvement in at least 1 organ or site without progression in any other organ or site.

Clinically meaningful improvement on Lee cGVHD symptom scale was defined as at least a 7-point decrease in Lee Symptom Scale overall summary score on at least 2 consecutive visits, not preceded by progressive disease, relapse of underlying disease or start of subsequent cGVHD treatment.

The Lee cGVHD Symptom Scale score has 7 subscales (Skin, Eyes and Mouth, Breathing, Eating and Digestion, Muscles and Joints, Energy, and Mental and Emotional) with ratings as follows: 0- Not at all, 1- Slightly, 2 Moderately, 3 Quite a bit, 4-Extremely, with lower values representing a better outcome. A score is calculated for each subscale by taking the mean of all items completed if more than 50% were answered and normalizing to a 0 to 100 scale. An overall score is calculated as the average of these 7 subscales if at least 4 subscales have valid scores.

Clinically meaningful improvement on Lee cGVHD symptom scale was defined as at least a 7-point decrease in Lee Symptom Scale overall summary score on at least 2 consecutive visits, not preceded by progressive disease, relapse of underlying disease or start of subsequent cGVHD treatment.

The Lee cGVHD Symptom Scale score has 7 subscales (Skin, Eyes and Mouth, Breathing, Eating and Digestion, Muscles and Joints, Energy, and Mental and Emotional) with ratings as follows: 0- Not at all, 1- Slightly, 2 Moderately, 3 Quite a bit, 4-Extremely, with lower values representing a better outcome. A score is calculated for each subscale by taking the mean of all items completed if more than 50% were answered and normalizing to a 0 to 100 scale. An overall score is calculated as the average of these 7 subscales if at least 4 subscales have valid scores.

OS was defined as the time of randomization until the time of death due to any cause, in months.

OS was defined as the time of randomization until the time of death due to any cause, in months.

Response was defined using the NIH Consensus Panel Chronic GVHD Activity Assessment (2014). Skin, mouth, liver, upper and lower GI, esophagus, lung, eye, and joint/fascia are the organs or sites considered in evaluating overall response. CR was defined as resolution of all manifestations in each organ or site. PR was defined as improvement in at least 1 organ or site without progression in any other organ or site. Duration of response was estimated by Kaplan-Meier methodology.

Response was defined using the NIH Consensus Panel Chronic GVHD Activity Assessment (2014). Skin, mouth, liver, upper and lower GI, esophagus, lung, eye, and joint/fascia are the organs or sites considered in evaluating overall response. CR was defined as resolution of all manifestations in each organ or site. PR was defined as improvement in at least 1 organ or site without progression in any other organ or site. Duration of response was estimated by Kaplan-Meier methodology.

AE: any untoward medical occurrence, which does not necessarily have a causal relationship with this treatment. SAE: any untoward medical occurrence that at any dose: results in death; is life-threatening; requires in-patient hospitalization >24 hours or prolongation of existing hospitalization; results in persistent or significant disability/incapacity; is a congenital anomaly/birth defect; is an important medical event. Severity was graded according to the Common Terminology Criteria for Adverse Events version 4.03 (grade 1=mild, grade 2=moderate, grade 3=severe, grade 4=life-threatening, grade 5=death). Treatment-related events are those that were possibly related or related to study treatment per investigator's judgment. Treatment emergent AEs (TEAEs) occurred from the first dose of study drug up to 30 days after the last dose of study drug.

AE: any untoward medical occurrence, which does not necessarily have a causal relationship with this treatment. SAE: any untoward medical occurrence that at any dose: results in death; is life-threatening; requires in-patient hospitalization >24 hours or prolongation of existing hospitalization; results in persistent or significant disability/incapacity; is a congenital anomaly/birth defect; is an important medical event. Severity was graded according to the Common Terminology Criteria for Adverse Events version 4.03 (grade 1=mild, grade 2=moderate, grade 3=severe, grade 4=life-threatening, grade 5=death). Treatment-related events are those that were possibly related or related to study treatment per investigator's judgment. Treatment emergent AEs (TEAEs) occurred from the first dose of study drug up to 30 days after the last dose of study drug.