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Trial · NCT01420627

EZN-2279 in Patients With ADA-SCID

NCT01420627, Phase 3, Completed, Leadiant Biosciences, Inc.; results first posted 2020-04-16

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. EZN-2279 in Patients With ADA-SCID. Trials, record NCT01420627. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT01420627

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
EZN-2279 in Patients With ADA-SCID
NCT number
NCT01420627
Status
Completed
Phases
Phase 3
Enrollment
7 participants, actual
Lead sponsor
Leadiant Biosciences, Inc.
Conditions
ADA-SCID, Adenosine Deaminase Deficiency, Severe Combined Immunodeficiency
Interventions
EZN-2279, Adagen
First posted
2011-08-19
Last updated
2020-04-16
Results first posted
2020-04-16

Source ClinicalTrials.gov

Registered outcomes9

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryNumber of Patients Detoxified At Each Visit in EZN-2279 Treatment PeriodBaseline through Week T-21Number of patients with total erythrocyte dAXP concentration from a trough blood sample \<0.02 mmol/L
SecondarySafety Summary DataThrough end of EZN-2279 study treatment, up to 203 weeksSummary of adverse events and serious adverse events
SecondarySummary of Trough ADA Activity Levels in EZN-2279 Treatment PeriodFrom Baseline through Week T-21Trough ADA activity, mmol/h/L
SecondarySummary of Trough ADA Activity Levels in EZN-2279 Maintenance PeriodThrough end of EZN-2279 study treatment, up to 203 weeksTrough ADA activity levels, mmol/h/L
SecondarySummary of Trough dAXP Levels in EZN-2279 Treatment PeriodFrom Baseline through Week T-21Trough dAXP levels, mmol/L
SecondarySummary of Trough dAXP Levels in EZN-2279 Maintenance PeriodThrough end of EZN-2279 study treatment, up to 203 weeksTrough dAXP levels, mmol/L
SecondaryNumber of Patients With Infections and HospitalizationsThrough end of EZN-2279 study treatment, up to 203 weeksInfections were documented clinically with signs and symptoms without microbiologic cultures or with positive viral or bacterial cultures
SecondaryDuration of HospitalizationThrough end of EZN-2279 study treatment, up to 203 weeks
SecondaryNumber of Patients Detoxified At Each Visit in EZN-2279 Maintenance PeriodFrom Week 34 to End of Study/Early Discontinuation, up to 203 weeksNumber of patients with total erythrocyte dAXP concentration from a trough blood sample \<0.02 mmol/L

Outcomes9

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYNumber of Patients Detoxified At Each Visit in EZN-2279 Treatment PeriodBaseline through Week T-21CompleterParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYSafety Summary DataThrough end of EZN-2279 study treatment, up to 203 weeksAs-treatedParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYSummary of Trough ADA Activity Levels in EZN-2279 Treatment PeriodFrom Baseline through Week T-21Completermmol/h/LMEDIAN
SECONDARYSummary of Trough ADA Activity Levels in EZN-2279 Maintenance PeriodThrough end of EZN-2279 study treatment, up to 203 weeksCompletermmol/h/LMEDIAN
SECONDARYSummary of Trough dAXP Levels in EZN-2279 Treatment PeriodFrom Baseline through Week T-21Completermmol/LMEDIAN
SECONDARYSummary of Trough dAXP Levels in EZN-2279 Maintenance PeriodThrough end of EZN-2279 study treatment, up to 203 weeksCompletermmol/LMEDIAN
SECONDARYNumber of Patients With Infections and HospitalizationsThrough end of EZN-2279 study treatment, up to 203 weeksAs-treatedParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYDuration of HospitalizationThrough end of EZN-2279 study treatment, up to 203 weeksAs-treated population who were hospitalizedDaysMEAN
SECONDARYNumber of Patients Detoxified At Each Visit in EZN-2279 Maintenance PeriodFrom Week 34 to End of Study/Early Discontinuation, up to 203 weeksCompleterParticipantsCOUNT_OF_PARTICIPANTS

Results by group171

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Number of Patients Detoxified At Each Visit in EZN-2279 Treatment PeriodEZN-2279Baseline6Participants
Number of Patients Detoxified At Each Visit in EZN-2279 Treatment PeriodEZN-2279Week T-16Participants
Number of Patients Detoxified At Each Visit in EZN-2279 Treatment PeriodEZN-2279Week T-36Participants
Number of Patients Detoxified At Each Visit in EZN-2279 Treatment PeriodEZN-2279Week T-55Participants
Number of Patients Detoxified At Each Visit in EZN-2279 Treatment PeriodEZN-2279Week T-76Participants
Number of Patients Detoxified At Each Visit in EZN-2279 Treatment PeriodEZN-2279Week T-86Participants
Number of Patients Detoxified At Each Visit in EZN-2279 Treatment PeriodEZN-2279Week T-93Participants
Number of Patients Detoxified At Each Visit in EZN-2279 Treatment PeriodEZN-2279Week T-105Participants
Number of Patients Detoxified At Each Visit in EZN-2279 Treatment PeriodEZN-2279Week T-116Participants
Number of Patients Detoxified At Each Visit in EZN-2279 Treatment PeriodEZN-2279Week T-136Participants

Participant flow9

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Adagen Lead-in PeriodSTARTEDAdagen/EZN-22797
Adagen Lead-in PeriodCOMPLETEDAdagen/EZN-22797
Adagen Lead-in PeriodNOT COMPLETEDAdagen/EZN-22790
EZN-2279 Treatment PeriodSTARTEDAdagen/EZN-22797
EZN-2279 Treatment PeriodCOMPLETEDAdagen/EZN-22796
EZN-2279 Treatment PeriodNOT COMPLETEDAdagen/EZN-22791
EZN-2279 Maintenance PeriodSTARTEDAdagen/EZN-22796
EZN-2279 Maintenance PeriodCOMPLETEDAdagen/EZN-22796
EZN-2279 Maintenance PeriodNOT COMPLETEDAdagen/EZN-22790

Adverse events194

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherNon-cardiac chest painGeneral disordersAdagen07
otherNon-cardiac chest painGeneral disordersEZN-227927
otherPyrexiaGeneral disordersAdagen07
otherPyrexiaGeneral disordersEZN-227927
otherAstheniaGeneral disordersAdagen07
otherAstheniaGeneral disordersEZN-227917
otherChillsGeneral disordersAdagen07
otherChillsGeneral disordersEZN-227917
otherFatigueGeneral disordersAdagen07
otherFatigueGeneral disordersEZN-227917

Adverse event totals6

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityAdagen07
Total, all-cause mortalityEZN-227907
Total, other adverse eventsAdagen67
Total, other adverse eventsEZN-227977
Total, serious adverse eventsAdagen07
Total, serious adverse eventsEZN-227947

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons2

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

ComparisonSource
Adagen vs EZN-2279: deaths from any causeTrial comparisons
Adagen vs EZN-2279: serious adverse eventsTrial comparisons

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT01420627

GET https://conductscience.org/api/trials/v1/NCT01420627/results?page=2