AC Immune Receives Second Milestone Payment Following Progress in Phase 2b ReTain Trial of ACI-35.030 in Preclinical Alzheimer’s Disease
AC Immune Receives Second Milestone Payment Following Progress in Phase 2b ReTain Trial of ACI-35.030 in Preclinical Alzheimer’s Disease
- Prescreening rate of Phase 2b ReTain trial triggers clinical development milestone payment in September
- Potentially registrational trial is targeting enrollment of approximately 500 participants with pre-symptomatic AD
- FDA Fast Track designation granted in July for ACI-35.030 (now “JNJ-2056”) for AD
Lausanne,
The milestone payment has been triggered by the rapid rate of prescreening in the potentially registrational Phase 2b ReTain trial investigating active-immunotherapy candidate ACI-35.030 (now called “JNJ-2056”) to treat preclinical (pre-symptomatic) Alzheimer’s disease (AD). With last December’s milestone payment, this brings the total milestone payments received for ACI-35.030 related to this trial to
Dr. Andrea Pfeifer, CEO of
“This payment also re-affirms the quality and productivity of AC Immune’s technology platforms and drug development capabilities. We have now received a total of approximately
JNJ-2056 received Fast Track designation from the
ACI-35.030 has been shown in Phase 1b/2a clinical testing to induce an antibody response targeting pTau while sparing normal endogenous forms of Tau. ReTain has attracted a high level of interest among potential participants with the rate of prescreening outperforming expectations.
“The Phase 2b ReTain trial is a potentially important step in the fight against neurodegeneration, as it is the first time any active immunotherapy is being tested in the preclinical AD population. Active immunotherapies like ACI-35.030 could offer therapeutic advantages, together with improved convenience and access, and the recent Fast Track designation is an important recognition of its potential value for patients,”
About the Phase 2b ReTain Study (ClinicalTrials.gov Identifier: NCT06544616)
The Phase 2b ReTain trial is a potentially registration-enabling randomized, multicenter, double-blind, placebo-controlled clinical study in participants with preclinical AD to assess the clinical effect of active immunization with JNJ-64042056 (JNJ-2056). It is designed to test the hypothesis that JNJ-2056 has a disease-modifying effect that can delay or prevent the onset of cognitive impairment or other clinical symptoms in individuals with preclinical AD through inhibition of seeding and spreading of pathological Tau.
The study will include approximately 500 participants with preclinical AD (cognitively normal, Tau positive), who will be randomized in a 1:1 ratio to a single dose level of JNJ-2056 or placebo and administered as intramuscular injections for a maximum of 4 years. It is currently being conducted at more than 40 clinical trial sites in the
The primary endpoint will measure cognitive decline as assessed by the Preclinical AD Cognitive Composite 5 (PACC-5) score. The key secondary efficacy endpoint will assess the effect of JNJ-2056 on the propagation and/or accumulation of Tau pathology compared with placebo, as measured by Tau PET imaging.
The ReTain trial is fully funded and conducted by
About ACI-35.030 (JNJ-2056)
ACI-35.030, derived from AC Immune’s SupraAntigen® platform, has been shown in clinical studies to induce a strong polyclonal antibody response that matures and is maintained against key pathological forms of Tau believed to drive Tau aggregation and disease progression. ACI-35.030 is designed to enhance the formation of broad-spectrum protective antibodies against pTau. This investigational candidate has the potential to reduce pathological Tau spreading in the early stages of AD, and thereby may reduce or prevent disease progression.
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SupraAntigen® is a registered trademark of
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