| Primary | The Percentage of Patients With Serum Total Bilirubin <1.5 mg/dL and With Native Liver at 6 Months After Portoenterostomy | | | Posted | | Number | | percentage of participants | | Measurements will be made at 6 months after portoenterostomy | | | | ID | Title | Description |
|---|
| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
| | | Title | Denominators | Categories |
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| | |
| | Group IDs | Group Description | Statistical Method | Statistical Comment | P-Value | P-Value Comment | Parameter Type | Parameter Value | Dispersion Type | Dispersion Value | Confidence Interval Sides | Confidence Interval % | CI Lower Limit | CI Upper Limit | CI Lower Limit Comment | CI Upper Limit Comment | Estimate Comment | Tested Non-Inferiority | Non-Inferiority Type | Non-Inferiority Comment | Other Analysis Description |
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| RR greater than one indicates benefit of steriods and a P value of treatment success from a log-binomial model with these covariates: Treatment group, age a HPE, BASM as fixed effects, and site as a random effect. | Log binomial | | 0.43 | | Risk Ratio (RR) | 1.14 | | | 2-Sided | 95 | 0.83 | 1.57 | | | | | Superiority or Other (legacy) | | |
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| Secondary | Survival With Native Liver at 24 Months of Age | | | Posted | | Number | | percentage of participants | | Measurements will be made at 24 months of age | | | | ID | Title | Description |
|---|
| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
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| Secondary | Serum Total Bilirubin Concentration | | Intent to treat patients with 3 month bilirubin available are analyzed. There are no imputations for unobserved data. Patients with missing data are simply not included. | Posted | | Mean | Standard Deviation | mg/dL | | Measurements will be made at 3 months after portoenterostomy | | | | ID | Title | Description |
|---|
| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
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| Secondary | Total Bilirubin Concentration at 12 Months | | Intent to treat patients with 12 month bilirubin available are analyzed. There are no imputations for unobserved data. Patients with missing data are simply not included. | Posted | | Mean | Standard Deviation | mg/dL | | 12 Months post HPE | | | | ID | Title | Description |
|---|
| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
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| Secondary | Total Bilirubin Concentration at 24 Months of Age | | Intent to treat patients with 24 month bilirubin available are analyzed. There are no imputations for unobserved data. Patients with missing data are simply not included. | Posted | | Mean | Standard Deviation | mg/dL | | At 24 Months of Age | | | | ID | Title | Description |
|---|
| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
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| Secondary | Weight Z-Score | weight for age Z-score (in subjects without ascites) over the course of the study | | Posted | | Mean | Standard Error | Z-score | | HPE until 24 months of age | | | | ID | Title | Description |
|---|
| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
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| Secondary | Height Z-Score | Height by Age Z-score over the course of the study | | Posted | | Mean | Standard Error | Z-score | | HPE to age 24 Months | | | | ID | Title | Description |
|---|
| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
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| Secondary | Presence of Ascites at 12 Months | | Participants with their native liver at 12 months | Posted | | Number | | participants | | 12 Months | | | | ID | Title | Description |
|---|
| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
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| Secondary | Presence of Ascites at 24 Months | | Participants with their native liver at 24 months | Posted | | Number | | participants | | 24 Months | | | | ID | Title | Description |
|---|
| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
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| Other Pre-specified | Serum Biomarkers of Sufficiency of Fat-soluble Vitamins - Vitamin E | Vitamin E sufficiency is measured as the ratio of serum vitamin E/total lipids | Although the protocol specified analyses of serum biomarkers as secondary outcomes, the intent was to only perform these analyses if the primary endpoint showed sufficient efficacy. Given the lack of efficacy of steroids (vs placebo), the analyses of fat-soluble vitamins were not performed; thus, data are not summarized for this assessment. | Posted | | | | | | 24 Months | | | | ID | Title | Description |
|---|
| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
|
| Other Pre-specified | Serum Biomarkers of Sufficiency of Fat-soluble Vitamins - Vitamin K | Vitamin K sufficiency is measured by INR (international normalized ratio) | Although the protocol specified analyses of serum biomarkers as secondary outcomes, the intent was to only perform these analyses if the primary endpoint showed sufficient efficacy. Given the lack of efficacy of steroids (vs placebo), the analyses of fat-soluble vitamins were not performed; thus, data are not summarized for this assessment. | Posted | | | | | | 24 Months | | | | ID | Title | Description |
|---|
| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
|
| Other Pre-specified | Serum Biomarkers of Sufficiency of Fat-soluble Vitamins - Vitamin D | Vitamin D sufficiency is measured by the serum level of 25-hydroxy vitamin D | Although the protocol specified analyses of serum biomarkers as secondary outcomes, the intent was to only perform these analyses if the primary endpoint showed sufficient efficacy. Given the lack of efficacy of steroids (vs placebo), the analyses of fat-soluble vitamins were not performed; thus, data are not summarized for this assessment. | Posted | | | | | | 24 Months | | | | ID | Title | Description |
|---|
| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
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| Other Pre-specified | Serum Biomarkers of Sufficiency of Fat-soluble Vitamins - Vitamin A | Vitamin A sufficiency is defined as the molar ratio of serum retinol/retinol binding protein | Although the protocol specified analyses of serum biomarkers as secondary outcomes, the intent was to only perform these analyses if the primary endpoint showed sufficient efficacy. Given the lack of efficacy of steroids (vs placebo), the analyses of fat-soluble vitamins were not performed; thus, data are not summarized for this assessment. | Posted | | | | | | 24 months | | | | ID | Title | Description |
|---|
| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
|
| Other Pre-specified | Serum Biomarkers of Sufficiency of Fat-soluble Vitamins - Vitamin D | Vitamin D sufficiency is measured by the serum level of 25-hydroxy vitamin D | Although the protocol specified analyses of serum biomarkers as secondary outcomes, the intent was to only perform these analyses if the primary endpoint showed sufficient efficacy. Given the lack of efficacy of steroids (vs placebo), the analyses of fat-soluble vitamins were not performed; thus, data are not summarized for this assessment. | Posted | | | | | | 12 Months | | | | ID | Title | Description |
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| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
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| Other Pre-specified | Serum Biomarkers of Sufficiency of Fat-soluble Vitamins - Vitamin K | Vitamin K sufficiency is measured by INR (international normalized ratio) | Although the protocol specified analyses of serum biomarkers as secondary outcomes, the intent was to only perform these analyses if the primary endpoint showed sufficient efficacy. Given the lack of efficacy of steroids (vs placebo), the analyses of fat-soluble vitamins were not performed; thus, data are not summarized for this assessment. | Posted | | | | | | 12 Months | | | | ID | Title | Description |
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| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
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| Other Pre-specified | Serum Biomarkers of Sufficiency of Fat-soluble Vitamins - Vitamin E | Vitamin E sufficiency is measured as the ratio of serum vitamin E/total lipids | Although the protocol specified analyses of serum biomarkers as secondary outcomes, the intent was to only perform these analyses if the primary endpoint showed sufficient efficacy. Given the lack of efficacy of steroids (vs placebo), the analyses of fat-soluble vitamins were not performed; thus, data are not summarized for this assessment. | Posted | | | | | | 12 Months | | | | ID | Title | Description |
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| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
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| Other Pre-specified | Serum Biomarkers of Sufficiency of Fat-soluble Vitamins - Vitamin A | Vitamin A sufficiency is measured by the molar ratio of serum retinol/retinol binding protein | Although the protocol specified analyses of serum biomarkers as secondary outcomes, the intent was to only perform these analyses if the primary endpoint showed sufficient efficacy. Given the lack of efficacy of steroids (vs placebo), the analyses of fat-soluble vitamins were not performed; thus, data are not summarized for this assessment. | Posted | | | | | | 12 months | | | | ID | Title | Description |
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| OG000 | Corticosteroids | Corticosteroids: Schedule and dosing of corticosteroids following portoenterostomy in infants with biliary atresia are listed below. Days 1-3: Methylprednisolone, IV-4mg/kg/day, divided BID Days 4-7: Prednisolone, PO-4mg/kg/day, divided BID Week 2: 4 mg/kg/day, divided BID Week 3: 2 mg/kg/day, divided BID Week 4: 2 mg/kg/day, divided BID Week 5: 1 mg/kg/day, once a day Week 6: 1 mg/kg/day, once a day Week 7: 0.8 mg/kg/day, once a day Week 8: 0.6 mg/kg/day, once a day Week 9: 0.4 mg/kg/day, once a day Week 10: 0.2 mg/kg/day, once a day Week 11: 0.1 mg/kg/day, once a day Week 12-13: 0.1 mg/kg/day, every other day Week 14: Stop | | OG001 | Placebo | Placebo: Schedule and dosing of placebo following portoenterostomy in infants with biliary atresia: Days 1-3: IV - normal saline 4 mg/kg/day, divided BID Days 4-7: PO placebo 4 mg/kg/day, divided BID Week 2: PO placebo 4 mg/kg/day, divided BID Week 3: PO placebo 2 mg/kg/day, divided BID Week 4: PO placebo 2 mg/kg/day, divided BID Week 5: PO placebo 1 mg/kg/day, once a day Week 6: PO placebo 1 mg/kg/day, once a day Week 7: PO placebo 0.8 mg/kg/day, once a day Week 8: PO placebo 0.6 mg/kg/day, once a day Week 9: PO placebo 0.4 mg/kg/day, once a day Week 10: PO placebo 0.2 mg/kg/day, once a day Week 11: PO placebo 0.1 mg/kg/day, once a day Week 12-13: PO placebo 0.1 mg/kg/day, once a day every other day Week 14: Stop |
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