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Phase 2Data readout

ACI-7104.056

Parkinson's disease

ACIUAC Immune SA
Expected catalystDecember 31, 2026Company guidance: Dec 31, 2026

Catalyst overview

Event details

Drug or asset
ACI-7104.056
Development stage
Phase 2
Event type
Data readout
Indication
Parkinson's disease
Research signalsBig moverHigh management interest

Research summary

What is being tracked?

This catalyst tracks a Phase 2 data readout for ACI-7104.056 in Parkinson's disease. The expected timing is based on the latest available company guidance and may change.

Development notes

VacSYn study. 1/3/24- Completed enrollment of cohort 1 and commenced cohort 2. 11/14/24- Interim data reported. 4/2/25- Reported further interim safety and immunogenicity data. Future updates in 2025. Initiate Part 2 in H2 2025. 4/30/25- Further interim results from Part 1 including PD & biomarker data in Q2 2025. 11/04/25:- Further interim Part 1 VacSYn Ph2 PD data incl PD and biomarkers expected Q4 2025. 12/11/25:- Positive interim VacSYn Ph2 PD data reported. Final Part 1 data expected in Mid-2026. 03/05/26:- VacSYn Ph2 interim results to be presented at AD/PD 2026 on March 18, 2026. 03/13/26:- Positive Part 1 VacSYn Ph2 interim data suggest slowed PD progression and 100% immunogenicity; final data mid-2026. 04/30/26:- Updated VacSYn Ph2 interim AD/PD 2026 data; final Part 1 week 104 results expected H2 2026. 08/05/26:- VacSYn Part 1 week 104 data expected H2 2026; $4M grant awarded. 08/11/26:- FDA Fast Track and IND clearance. VacSYn Part 1 week-100 results expected H2 2026.

Verification

Primary source

Confirm timing and program details against the company announcement or filing.

Open source

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Company

AC Immune SA

ACIU · NasdaqGM
Industry
Biotechnology
Pipeline assets
11
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Updated Aug 23, 2026. Dates can change; this is not investment advice.

Disclaimer: Biotech Stock Intel is an independent research platform. Information is provided for informational purposes only and is not investment or medical advice. Always verify catalyst dates against primary sources and conduct your own research.
Biotech Stock Intel© 2026 Biotech Stock Intel
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