Lausanne, Switzerland, November 11, 2025 -- AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision therapeutics for neurodegenerative diseases, today announced that Company Management will participate in a fireside chat and one-on-one investor meetings during the Jefferies Global Healthcare Conference in London, taking place November 17-20, 2025. The fireside chat will take place on... Read More

Sharpened investment focus on high-value assets, including three Phase 2 active immunotherapy programs and small molecule programs targeting NLRP3, Tau and a-syn Cash resources of CHF 108.5 million as of September 30, 2025, provide funding to the end of Q3 2027 excluding any income from potential milestones Peer-reviewed papers covering groundbreaking results including clinical data on ACI-35.030 (JNJ-64042056) published in... Read More

Brings substantial expertise in development of first-in-class disease-modifying therapies in dementia across multiple novel modalities Includes immunotherapies and small molecule drugs targeting intracellular proteinopathies Leadership in groundbreaking early-stage clinical trials reinforces Company’s competencies Lausanne, Switzerland, October 28, 2025 -- AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical... Read More

First Characterization of a TDP-43 PET Tracer Published in Nature Communications Showing Potential of AC Immune’s ACI-19626 in Precision Medicine Aggregated TDP-43 is a pathological hallmark of neurodegenerative diseases including ALS, FTD and LATE, and a co-pathology in Alzheimer’s and Parkinson’s diseases PET imaging of aggregated TDP-43 could facilitate precision medicine in these diseases, whose shared clinical features... Read More

Detailed results from completed Phase 1b/2a trial of ACI-35.030 and JACI-35.054 demonstrated that two different active immunotherapy formulations against the same target can induce a differential antibody response in individuals with early Alzheimer’s disease ACI-35.030, developed using AC Immune’s SupraAntigen® technology, generated rapid, potent polyclonal response against pathological forms of Tau after first dose No... Read More

Strategic review by executive management yields increased pipeline focus and operational efficiencies with a workforce reduction of around 30% Increased emphasis on late-stage clinical development of active immunotherapy portfolio for Alzheimer’s and Parkinson’s diseases and progressing high value candidates enabling intracellular targeting Near term clinical milestones remain unchanged Cash resources of CHF 127.1 million as... Read More

Three active immunotherapies for precision prevention of neurodegeneration progressing through Phase 2 clinical development ACI-7104.056 anti-alpha-synuclein active immunotherapy in Parkinson’s disease produced strong immunogenicity and favorable safety profile in interim results from the ongoing Phase 2 VacSYn reported in April, with further data to come in H2 2025 Third Alzheimer’s disease cohort (AD3) in the Phase 2 ABATE... Read More

Continuing to advance clinical active immunotherapy portfolio for precision prevention of neurodegenerative diseases Positive immunogenicity and good safety in interim results for wholly owned anti-alpha-synuclein (a-syn) active immunotherapy ACI-7104.056 in Phase 2 trial in Parkinson’s disease (PD) Additional ACI-7104.056 Phase 2 interim results (pharmacodynamics and biomarkers) expected in Q2 2025 Presentations at... Read More

Active immunotherapy with ACI-7104.056 induces high anti-a-synuclein (a-syn) antibody levels on average over 20-fold higher than placebo after 4 immunizations Repeated immunizations amplify the anti-a-syn antibody response, supporting boostability and the potential to further increase antibody titers ACI-7104.056 is well tolerated with no safety issues reported to date Lausanne, Switzerland, April 2, 2025 – AC Immune SA... Read More

AC Immune Announces Upcoming Presentations and Industry Symposium on Active Immunotherapies at AD/PD™ 2025 AC Immune to host symposium highlighting the company’s industry-leading pipeline of active immunotherapies for precision prevention of neurodegenerative diseases Multiple presentations at the International Conference on Alzheimer’s and Parkinson’s Disease (AD/PD™ 2025) showcasing the diversity of the company’s precision... Read More

Landmark exclusive option and license deal with Takeda for ACI-24.060 with $100 million upfront and additional potential milestones of up to about $2.1 billion plus royalties on sales upon commercialization ACI-24.060 ABATE Phase 1b/2 trial showed encouraging interim safety and tolerability data in Down syndrome (DS) cohort; further interim results in Alzheimer’s disease (AD) and DS expected in 2025 Enrollment progress in... Read More

Lausanne, Switzerland, March 4, 2025 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that the company's management will participate in the following investor conferences in March: Leerink Partners 2025 Global Healthcare Conference , Management will participate in investor meetings on March 10, 2025 Barclays 27th Annual... Read More

ACI-24.060 was generally safe and well tolerated in individuals with Down syndrome with no serious adverse events related to the study drug No cases of amyloid-related imaging abnormalities observed in this study population Based upon these findings, AC Immune plans to open the high-dose cohort in ABATE in individuals with Down syndrome Lausanne, Switzerland, December 10, 2024 – AC Immune SA (NASDAQ: ACIU), a clinical-stage... Read More

Active immunotherapy with ACI-7104.056 induces high anti-a-synuclein antibody levels on average 16-fold higher than placebo after 3 immunizations 100% of patients receiving ACI-7104.056 responded against the target antigen ACI-7104.056 is well tolerated with no clinically relevant safety issues reported to date Lausanne, Switzerland, November 14, 2024 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company... Read More

Lausanne, Switzerland, November 13, 2024 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that Company Management will participate in a fireside chat and one-on-one investor meetings during the Jefferies 2024 London Healthcare Conference, taking place in-person in London on November 19-21, 2024. The fireside chat will take... Read More

ACI-7104.056 VacSYn Phase 2 trial in Parkinson’s disease (PD) on track to report interim safety and immunogenicity data Prescreening rate for Phase 2b Retain trial of JNJ-2056 (ACI-35.030) in Alzheimer’s disease (AD) triggered CHF 24.6 million milestone under agreement JNJ-2056 received Fast Track designation from the U.S. FDA Cash of CHF 157.9 million at the end of September, plus the CHF 24.6 million milestone payment... Read More

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 A Lausanne, Switzerland, September 17, 2024 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering... Read More

PI-2620 is in Phase 3 development in Alzheimer’s disease by AC Immune’s partner, LMI This Fast Track designation applies across Alzheimer’s disease, progressive supranuclear palsy, and corticobasal degeneration Follows two previous Fast Track designations for ACI-35.030 and ACI-24.060 active immunotherapies Affirms AC Immune’s leadership and commitment to bringing precision medicine to the management of neurodegenerative... Read More

Announced exclusive option and license agreement with Takeda for ACI-24.060 on May 13 for $100 million upfront and total potential milestones of up to approximately $2.1 billion ACI-24.060 ABATE Phase 2 trial in Alzheimer’s disease (AD) on track with enrolment expectations ACI-7104.056 VacSYn Phase 2 trial of anti-a-syn active immunotherapy in Parkinson’s disease (PD) on track for safety and immunogenicity interim data in H2... Read More

morADC combines proprietary brain-penetrant small molecule Morphomers ® with SupraAntigen ® monoclonal antibodies, forming a new class of drug-candidates to target toxic proteins in CNS morADC demonstrated significant synergies, substantially increasing blood brain barrier penetration and potency to inhibit protein aggregation compared to the antibody or small molecule alone Lausanne, Switzerland, July 31, 2024 – AC Immune... Read More

Treatment of first randomized person with preclinical AD expected this quarter Phase 2b ReTain trial is fully funded and conducted by development partne r Lausanne, Switzerland, July 25, 2024 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that its active-immunotherapy candidate, ACI-35.030 (now called JNJ-2056), targeting... Read More

Three oral presentations at the Alzheimer’s Association International Conference (AAIC 2024), including talks on morADC, ACI-24.060, and ACI-19626 Lausanne, Switzerland, July 16, 2024 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced three oral presentations highlighting its precision medicine pipeline at the annual... Read More

Lausanne, Switzerland, May 28, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering the development of precision medicine approaches for the diagnosis, treatment, and prevention of neurodegenerative diseases, today announced that Company Management will participate in a fireside chat and one-on-one investor meetings during the Jefferies 2024 Global Healthcare Conference, taking place... Read More

Landmark deal announced with Takeda for ACI-24.060 with $100 million upfront and total potential payments for option exercise and milestones of up to approximately $2.1 billion ACI-24.060 ABATE Phase 2 trial on track to report Abeta-PET imaging results in Q2 2024, evaluating amyloid plaque reduction after 6 months of anti-Abeta active immunotherapy ACI-7104.056 VacSYn Phase 2 trial of anti-a-syn active immunotherapy in... Read More

ACI-24.060 ABATE Phase 2 trial to report Abeta-PET imaging results in Q2 and H2 ACI-7104.056 VacSYn Phase 2 trial in Parkinson’s disease on track for interim data in H2 ACI-24.060 for Alzheimer’s disease (AD) received FDA Fast Track designation ACI-35.030 ReTain Phase 2b program in preclinical (pre-symptomatic) AD patients, initiated by collaboration partner Cash of CHF 103 million at year end, plus the CHF 15 million... Read More

Multiple presentations at the International Conference on Alzheimer’s and Parkinson’s Diseases (AD/PD™ 2024) Andrea Pfeifer, Ph.D., CEO to lead AC Immune-sponsored symposium on alpha-synuclein pathologies Lausanne, Switzerland, February 22, 2024 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced upcoming presentations... Read More

Company’s strategy is focused on advancing the Phase 2 development of its three active immunotherapies Active immunotherapy now considered to be the optimal approach for precision prevention of neurodegenerative diseases Lausanne, Switzerland, January 22, 2024 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that the... Read More

ABATE Phase 1b/2 AD trial of ACI-24.060 completed enrollment of cohorts 1 and 2 and is expected to complete cohort 3 in January; 6-month and 12-month amyloid PET data expected in H1 & H2 2024, respectively ReTain Phase 2b clinical trial of ACI-35.030 in preclinical AD being launched now by partner VacSYn Phase 2 PD trial of ACI-7104.056 completed enrollment of cohort 1 and commenced cohort 2; safety and immunogenicity update... Read More

AC Immune Announces Pricing of Underwritten Offering of Common Shares Lausanne, Switzerland, December 15, 2023 – AC Immune SA (Nasdaq: ACIU) (the “Company” or “AC Immune”), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that it has priced an underwritten offering of 14.3 million of its common shares at a price of USD 3.50 per share. The Company expects... Read More

AC Immune’s Targeted Anti-pTau Active Immunotherapy for Alzheimer’s Disease Advances into Phase 2b Trial Potentially registration-enabling Phase 2b study (ReTain) will evaluate the effect of ACI-35.030 on cognition and Tau pathology in approximately 500 participants with preclinical Alzheimer’s disease (AD) Anti-pTau active immunotherapy being designed to potentially prevent or reduce cognitive decline could address need of... Read More

AC Immune Strengthens Management, Appoints Madiha Derouazi as CSO and Christopher Roberts as CFO Outstanding scientist and entrepreneur Dr. Madiha Derouazi appointed as new CSO Retiring CSO Dr. Marie Kosco-Vilbois will remain as consultant to ensure smooth handover Christopher Roberts, Interim Chief Financial Officer, confirmed in role on a permanent basis Lausanne, Switzerland, December 1, 2023 – AC Immune SA (NASDAQ:... Read More

Lausanne, Switzerland, November 7, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that Company Management will participate in a fireside chat and one-on-one investor meetings during the Jefferies 2023 London Healthcare Conference, taking place in-person in London on November 14-16, 2023. The fireside chat will take... Read More

AC Immune Reports Third Quarter 2023 Financial Results and Provides a Corporate Update Results from amyloid plaque reduction analysis (Abeta-PET) after 6 months of treatment with ACI-24.060 in ABATE Phase 1b/2 study on track for H1 2024 ACI-24.060 ABATE interim safety and immunogenicity data in Alzheimer’s disease (AD) expected by year-end ACI-7104.056 alpha-synuclein active immunotherapy in Phase 2 ‘VacSYn’ Parkinson’s... Read More

AC Immune to Host KOL Webinar on Amyloid Plaque PET Imaging in Alzheimer’s Disease as a Surrogate of Clinical Efficacy on November 9, 2023 Lausanne, Switzerland, November 02, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that it will host a KOL webinar on amyloid plaque PET imaging in Alzheimer’s Disease as a... Read More

AC Immune Clinical Data Published in Nature Communications Show Alpha-Synuclein PET Tracer ACI-12589 Has Potential as Neurodegenerative Disease Diagnostic ACI-12589 1 delivers the first element of a precision medicine approach by enabling early and accurate diagnosis of a-syn pathology in certain diseases Clinical trial of ACI-12589 showed a specific and reproducible retention pattern in patients with MSA, a rare and... Read More

AC Immune Announces Upcoming Presentations at the 16 th CTAD Conference Lausanne, Switzerland, October 17, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced upcoming presentations highlighting its precision medicine pipeline at the 16 th Clinical Trials on Alzheimer’s Disease (CTAD) Conference, taking place in Boston,... Read More

AC Immune to Present at the Jefferies 2023 CNS & Neuro Summit in October 2023 Lausanne, Switzerland, October 5, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that Company Management will present a corporate overview and participate in one-on-one investor meetings during the Jefferies 2023 CNS & Neuro Summit, taking... Read More

AC Immune to Present at the H.C. Wainwright 25th Annual Global Investment Conference in September 2023 Lausanne, Switzerland, September 05, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that the Company will present a corporate overview and participate in one-on-one investor meetings during the H.C. Wainwright 25th... Read More

Received FDA Fast Track Designation for ACI-24.060 anti-amyloid-beta (Abeta) active immunotherapy to treat Alzheimer’s disease (AD) Enrollment in ongoing Phase 1b/2 ABATE study of ACI-24.060 in AD and Down syndrome (DS) is on track and expanding to sites in USA following IND clearance, dosed first individual with DS Next interim safety and immunogenicity data from AD and DS cohorts in ABATE expected in H2 2023 Results of... Read More

AC Immune to Present at the B TIG Virtual Biotechnology Conference 2023 Lausanne, Switzerland, July 28, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that Company Management will participate in a Fireside chat and one-on-one investor meetings during the BTIG Virtual Biotechnology Conference 2023, taking place on... Read More

Nuno Mendonça, MD appointed new Chief Medical Officer and Executive Committee member Lausanne, Switzerland, July 26, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced the appointment of Nuno Mendonça, MD. He will join the Company on October 1st, as Chief Medical Officer and be appointed to the Executive Committee.... Read More

AC Immune Showcas ing Precision Medicine P rograms at A AIC 202 3 Lausanne, Switzerland, July 3, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced upcoming presentations at the annual Alzheimer’s Association International Conference (AAIC 2023), taking place in Amsterdam, The Netherlands, on July 16-20, 2023. The... Read More

Ongoing Phase 1b/2 ABATE study enrolling well and expanding to sites in USA with Investigational New Drug (IND) clearance for ACI-24.060 Dosed first individual with Down syndrome (DS) in the DS cohort of ABATE Interim safety and immunogenicity data in Alzheimer’s disease (AD) and DS cohorts expected in H2 2023 Initial PET data on amyloid plaque reduction in AD expected H1 2024 Lausanne, Switzerland, June 27, 2023 – AC Immune... Read More

AC Immune Holds Annual General Meeting of Shareholders Shareholders approved all resolutions as proposed by the Board of Directors Lausanne, Switzerland, June 23, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that the Company held its Annual General Meeting per Swiss law. Shareholders cast their votes in person at... Read More

ACI-24.060 anti-Abeta vaccine showed positive initial safety and immunogenicity in first Alzheimer’s disease (AD) cohort in ABATE Phase 1b/2 trial; Further ABATE immunogenicity and safety data in higher dose AD cohorts expected in H2 2023 with amyloid-beta-PET imaging data in H1 2024 PI-2620 Tau PET tracer pivotal Phase 3 ADvance trial in AD initiated by partner Life Molecular Imaging AD/PD™ 2023 conference featured ten... Read More

AC Immune to Host Key Opinion Leader Webinar on Early Diagnosis and Prevention of Alzheimer’s Disease Webinar to take place on Tuesday, April 18, 2023, at 10:30 AM EDT / 4:30 PM CEST Lausanne, Switzerland, April 5, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, will host a key opinion leader (KOL) webinar on early diagnosis and... Read More

Ten presentations at the International Conference on Alzheimer’s & Parkinson’s Diseases (AD/PD TM ) AC Immune’s Chief Medical Officer to participate in expert forum on immunotherapies in Alzheimer’s disease Lausanne, Switzerland, March 20, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that ten presentations will be... Read More

Clinical-stage vaccine programs targeting amyloid-beta (Abeta), phosphorylated-Tau (pTau), and alpha-synuclein (a-syn) are all on track to reach important milestones in 2023 ACI-24.060 anti-amyloid-beta vaccine for Alzheimer’s disease (AD) showed positive initial safety and immunogenicity in Phase 1b/2 ABATE trial; further interim data expected in H2 2023; first amyloid plaque PET imaging results anticipated in 2024... Read More

AC Immune to Report Full Year 2022 Financial Results and Provide Corporate Update on March 16, 2023 Lausanne, Switzerland, March 8, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that it will issue a press release to report its full year 2022 financial results and provide a corporate update on March 16, 2023 at... Read More

AC Immune Awarded New Grants from MJFF and Target ALS Supporting Programs Targeting TDP-43 The Michael J. Fox Foundation grant supports the development of AC Immune’s first-in-class TDP-43 PET tracer program Target ALS Foundation grant supports collaboration between AC Immune and world-class institutions to accelerate the development of novel biofluid assays for detecting TDP-43-related neuropathology Lausanne, Switzerland,... Read More

AC Immune to Present at the SVB Securities Global Biopharma Conference Lausanne, Switzerland, February 2, 2023 – AC Immune SA (NASDAQ: ACIU), a clinical-stage biopharmaceutical company pioneering precision medicine for neurodegenerative diseases, today announced that company management will participate in a fireside chat and one-on-one investor meetings during the SVB Securities Global Biopharma Conference, which is taking... Read More

AC Immune’s ACI-24.060 Anti-Amyloid Beta Vaccine for Alzheimer’s Shows Positive Initial Interim Safety and Immunogenicity in Phase 1b/2 ABATE Trial ACI-24.060 elicited an anti-Abeta antibody response in ABATE’s first, low dose cohort ACI-24.060 was generally well tolerated with no safety concerns observed With these findings, dosing in the second, higher dose Alzheimer’s cohort has begun Screening of cohort of study... Read More

AC Immune Partner Life Molecular Imaging Initiates Phase 3 S tudy of Tau PET Diagnostic PI - 2620 for Alzheimer’s Disease First Alzheimer’s patient imaged with PI-2620 in ADvance, the pivotal Phase 3 trial PI-2620 potentially best-in-class Tau PET tracer with high binding affinity and selectivity for aggregated Tau Tau accumulation, a key Alzheimer's disease pathology, correlates with cognitive impairment Lausanne,... Read More

Data presented at CTAD 2022 confirm excellent clinical performance of ACI-35.030 vaccine candidate Based on this new clinical data, ACI-35.030 has been selected for further development representing significant progress for the anti-pTau vaccine candidate AC Immune vaccine portfolio targeting three hallmark proteins of neurodegenerative diseases now progressing through advanced clinical development Lausanne, Switzerland,... Read More