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Trial · NCT02593773

Safety, Tolerability and Efficacy of ACTIMMUNE® Dose Escalation in Friedreich's Ataxia Study

NCT02593773, Phase 3, Completed, Amgen; results first posted 2018-05-18

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Safety, Tolerability and Efficacy of ACTIMMUNE® Dose Escalation in Friedreich's Ataxia Study. Trials, record NCT02593773. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT02593773

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Trial

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

Title
Safety, Tolerability and Efficacy of ACTIMMUNE® Dose Escalation in Friedreich's Ataxia Study
NCT number
NCT02593773
Status
Completed
Phases
Phase 3
Enrollment
86 participants, actual
Lead sponsor
Amgen
Conditions
Friedreich's Ataxia
Interventions
Interferon γ-1b
First posted
2015-11-02
Last updated
2024-12-19
Results first posted
2018-05-18
Limitations and caveats
This study was terminated early by the Sponsor because the development of ACTIMMUNE® for the treatment of Friedreich's Ataxia was discontinued after Study HZNP-ACT-301 (NCT02415127) failed to meet its primary efficacy endpoint.

Source ClinicalTrials.gov

Registered outcomes7

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

ListOutcomeTime frameDescription
PrimaryNumber of Participants With Treatment-Emergent Adverse Events (TEAEs), Serious Adverse Events (SAEs), and Discontinuations Due to AEsBaseline/Day 1 (Week 26 of Study HZNP-ACT-301 [NCT02415127]) through Week 28 (follow-up safety visit)
An adverse event (AE) is any untoward medical occurrence, whether or not the event is considered related to the investigational product. A TEAE is any adverse change from the subject's baseline condition, including any laboratory test value abnormality judged as clinically significant by the investigator, that occurs on or after the date of the first dose of study drug administered at home and throughout the duration of the clinical study, whether the adverse event is considered related to the treatment or not. An SAE is an AE that results in death, is life-threatening, results in persistent or significant disability or incapacity, inpatient hospitalization or prolongation of an existing hospitalization, is a congenital anomaly or birth defect, or other medically important event.
PrimaryNumber of Participants With Positive/Negative Neutralizing Antibody (NAb) and Anti-Drug Antibody (ADA) TestsBaseline/Day 1 (Week 26 of Study HZNP-ACT-301 [NCT02415127]), Week 4, Week 13, Week 26, and Week 28 (follow-up safety visit)
NAb testing only for those participants with a positive ADA test. Baseline is defined as the last non-missing measurement/assessment on the date of Week 26 Visit from study HZNP-ACT-301 (NCT02415127). If this measurement was missing or otherwise unavailable, it was the last non-missing measurement/assessment on or prior to first dose in this study. If the participant discontinued the study, then premature withdrawal assessments were mapped to the nearest scheduled visit based on schedule of the assessment and the study day. If the mapped visit was already available then the visit was mapped to the next schedule visit. Last on study assessment is the last non-missing post-baseline assessment for each participant.
PrimaryChange From Baseline to Week 26 in the Friedreich's Ataxia Rating Scale (FARS)-mNeuro Score
From Baseline to Week 26 for all participants and from Baseline of HZNP-ACT-301 (NCT02415127)to Week 26 of HZNP-ACT-302 (52-week treatment duration) for participants receiving active treatment in both studies.
The FARS assessment includes neurological signs that specifically reflect neural substrates affected in FA. Based on a neurological examination, bulbar, upper limb, lower limb, peripheral nerve, and upright stability/gait functions were assessed. The FARS-mNeuro score excludes the peripheral nervous system subscale score and the facial and tongue atrophy and fasciculations from the bulbar subscale score. Scores range from 0 (normal) to 93 (most impairment). A negative change from baseline is an improvement.
SecondaryChange From Baseline to Week 26 in Activities of Daily Living (ADL) Score
From Baseline to Week 26 for all participants and from Baseline of HZNP-ACT-301 (NCT02415127)to Week 26 of HZNP-ACT-302 (52-week treatment duration) for participants receiving active treatment in both studies.
Participants and/or their caregivers rated 9 areas of daily living skills (speech, swallowing, cutting food and handling utensils, dressing, personal hygiene, falling, walking, quality of sitting position, and bladder function) on a 5-point scale (0=normal, 4=greatest loss of function) with allowable increments of 0.5 if the participant or caregiver strongly felt that a task falls between 2 scores. ADL scores can range from 0 (normal) to 36 (greatest loss of function). A negative change from baseline indicates improvement.
SecondaryChange From Baseline at Week 26 in Timed 25-Foot Walk (T25FW)
From Baseline to Week 26 for all participants and from Baseline of HZNP-ACT-301 (NCT02415127)to Week 26 of HZNP-ACT-302 (52-week treatment duration) for participants receiving active treatment in both studies.
The T25FW is a quantitative measure of lower extremity function. Participants are directed to 1 end of a clearly marked 25-foot course and instructed to walk 25 feet as quickly as possible, but safely. The task is immediately administered again by having the participant walk back the same distance, and the score for the test is the average of the 2 walks (after reciprocal transformation). Participants may use assistive devices when performing this task, with the same assistive device used at each assessment. A negative change from Baseline indicates improvement.
SecondaryNumber of FARS-mNeuro Responders and Non-Responders at Week 26Week 26
A participant was considered a responder if they had an improvement (decrease) of at least 3 points from Baseline at Week 26 for the FARS-mNeuro score. The FARS assessment includes neurological signs that specifically reflect neural substrates affected in FA. Based on a neurological examination, bulbar, upper limb, lower limb, peripheral nerve, and upright stability/gait functions were assessed. The FARS-mNeuro score excludes the peripheral nervous system subscale score and the facial and tongue atrophy and fasciculations from the bulbar subscale score. Scores range from 0 (normal) to 93 (most impairment).
SecondaryChange From Baseline to Week 26 in Total Friedreich Ataxia Rating Scale Score (FARStot)
From Baseline to Week 26 for all participants and from Baseline of HZNP-ACT-301 (NCT02415127)to Week 26 of HZNP-ACT-302 (52-week treatment duration) for participants receiving active treatment in both studies.
The FARS assessment includes neurological signs that specifically reflect neural substrates affected in FA. Based on a neurological examination, bulbar, upper limb, lower limb, peripheral nerve, and upright stability/gait functions are assessed. FARStot scores range from 0 (normal) to 125 (most impairment). A negative change from baseline indicates improvement.

Outcomes7

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

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYNumber of Participants With Treatment-Emergent Adverse Events (TEAEs), Serious Adverse Events (SAEs), and Discontinuations Due to AEsBaseline/Day 1 (Week 26 of Study HZNP-ACT-301 [NCT02415127]) through Week 28 (follow-up safety visit)Safety Population, defined as all participants who received at least 1 dose of open-label study drug after the Baseline Visit.participantsNUMBER
PRIMARYNumber of Participants With Positive/Negative Neutralizing Antibody (NAb) and Anti-Drug Antibody (ADA) TestsBaseline/Day 1 (Week 26 of Study HZNP-ACT-301 [NCT02415127]), Week 4, Week 13, Week 26, and Week 28 (follow-up safety visit)Safety Population, defined as all participants who received at least 1 dose of open-label study drug after the Baseline Visit. Participants with an assessment at each time point are presented.participantsNUMBER
PRIMARYChange From Baseline to Week 26 in the Friedreich's Ataxia Rating Scale (FARS)-mNeuro Score
From Baseline to Week 26 for all participants and from Baseline of HZNP-ACT-301 (NCT02415127)to Week 26 of HZNP-ACT-302 (52-week treatment duration) for participants receiving active treatment in both studies.
Because the Sponsor discontinued the development of ACTIMMUNE® for the treatment of Friedreich's Ataxia, the planned analyses of the efficacy endpoints were not conducted. Any raw data collected for this endpoint exist as by-subject listings only, and are unanalyzed per protocol.
SECONDARYChange From Baseline to Week 26 in Activities of Daily Living (ADL) Score
From Baseline to Week 26 for all participants and from Baseline of HZNP-ACT-301 (NCT02415127)to Week 26 of HZNP-ACT-302 (52-week treatment duration) for participants receiving active treatment in both studies.
Because the Sponsor discontinued the development of ACTIMMUNE® for the treatment of Friedreich's Ataxia, the planned analyses of the efficacy endpoints were not conducted. Any raw data collected for this endpoint exist as by-subject listings only, and are unanalyzed per protocol.
SECONDARYChange From Baseline at Week 26 in Timed 25-Foot Walk (T25FW)
From Baseline to Week 26 for all participants and from Baseline of HZNP-ACT-301 (NCT02415127)to Week 26 of HZNP-ACT-302 (52-week treatment duration) for participants receiving active treatment in both studies.
Because the Sponsor discontinued the development of ACTIMMUNE® for the treatment of Friedreich's Ataxia, the planned analyses of the efficacy endpoints were not conducted. Any raw data collected for this endpoint exist as by-subject listings only, and are unanalyzed per protocol.
SECONDARYNumber of FARS-mNeuro Responders and Non-Responders at Week 26Week 26
Because the Sponsor discontinued the development of ACTIMMUNE® for the treatment of Friedreich's Ataxia, the planned analyses of the efficacy endpoints were not conducted. Any raw data collected for this endpoint exist as by-subject listings only, and are unanalyzed per protocol.
SECONDARYChange From Baseline to Week 26 in Total Friedreich Ataxia Rating Scale Score (FARStot)
From Baseline to Week 26 for all participants and from Baseline of HZNP-ACT-301 (NCT02415127)to Week 26 of HZNP-ACT-302 (52-week treatment duration) for participants receiving active treatment in both studies.
Because the Sponsor discontinued the development of ACTIMMUNE® for the treatment of Friedreich's Ataxia, the planned analyses of the efficacy endpoints were not conducted. Any raw data collected for this endpoint exist as by-subject listings only, and are unanalyzed per protocol.

Results by group20

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

OutcomeGroupCategoryValueSpreadUnits
Number of Participants With Treatment-Emergent Adverse Events (TEAEs), Serious Adverse Events (SAEs), and Discontinuations Due to AEsInterferon γ-1b≥ 1 TEAE78participants
Number of Participants With Treatment-Emergent Adverse Events (TEAEs), Serious Adverse Events (SAEs), and Discontinuations Due to AEsInterferon γ-1b≥ 1 Related TEAE61participants
Number of Participants With Treatment-Emergent Adverse Events (TEAEs), Serious Adverse Events (SAEs), and Discontinuations Due to AEsInterferon γ-1b≥ 1 SAE4participants
Number of Participants With Treatment-Emergent Adverse Events (TEAEs), Serious Adverse Events (SAEs), and Discontinuations Due to AEsInterferon γ-1b≥ 1 Related SAE0participants
Number of Participants With Treatment-Emergent Adverse Events (TEAEs), Serious Adverse Events (SAEs), and Discontinuations Due to AEsInterferon γ-1b≥ 1 TEAE Leading to Discontinuation1participants
Number of Participants With Treatment-Emergent Adverse Events (TEAEs), Serious Adverse Events (SAEs), and Discontinuations Due to AEsInterferon γ-1b≥ 1 TEAE Leading to Death1participants
Number of Participants With Positive/Negative Neutralizing Antibody (NAb) and Anti-Drug Antibody (ADA) TestsInterferon γ-1bBaseline ADA = negative85participants
Number of Participants With Positive/Negative Neutralizing Antibody (NAb) and Anti-Drug Antibody (ADA) TestsInterferon γ-1bBaseline ADA = positive1participants
Number of Participants With Positive/Negative Neutralizing Antibody (NAb) and Anti-Drug Antibody (ADA) TestsInterferon γ-1bBaseline NAb = negative1participants
Number of Participants With Positive/Negative Neutralizing Antibody (NAb) and Anti-Drug Antibody (ADA) TestsInterferon γ-1bBaseline NAb = positive0participants

Participant flow3

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

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDInterferon γ-1b86
Overall StudyCOMPLETEDInterferon γ-1b51
Overall StudyNOT COMPLETEDInterferon γ-1b35

Adverse events27

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherNeutropeniaBlood and lymphatic system disordersInterferon γ-1b1886
otherAbdominal pain upperGastrointestinal disordersInterferon γ-1b586
otherNauseaGastrointestinal disordersInterferon γ-1b1386
otherVomitingGastrointestinal disordersInterferon γ-1b1386
otherChillsGeneral disordersInterferon γ-1b586
otherFatigueGeneral disordersInterferon γ-1b786
otherPainGeneral disordersInterferon γ-1b786
otherPyrexiaGeneral disordersInterferon γ-1b1586
otherGastroenteritis viralInfections and infestationsInterferon γ-1b586
otherNasopharyngitisInfections and infestationsInterferon γ-1b786

Adverse event totals3

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityInterferon γ-1b186
Total, other adverse eventsInterferon γ-1b6686
Total, serious adverse eventsInterferon γ-1b486

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 comparisons0

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

None in this release.

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/NCT02593773

GET https://conductscience.org/api/trials/v1/NCT02593773/events?page=2