Clock.bio at Startup Pitch ARDD2025

Clock.bio at Startup Pitch ARDD2025

🎙 Michael Bar 👥 9K 📅 February 18, 2026 ⏱ 12 min 👁 103 📄 expert opinion 🧭 2026-08-16
Available in: English (current) Français

Keywords

agingrejuvenationCRISPRstem cellssmall molecules

Summary

Michael Bar, head of science at Clock.bio, presents the company’s approach to reversing aging at the cellular level. They developed a proprietary stem cell model that recapitulates the hallmarks of aging and can be rejuvenated. Using single-cell CRISPR screens, they identified 151 genes involved in rejuvenation, termed the ‘atlas of rejuvenation.’ These genes are enriched in aging pathways and are expressed across tissues. They aim to validate these targets using small molecules and have developed an image-based platform that assesses cellular rejuvenation, correlating with epigenetic clocks. The company focuses on skincare as a first clinical application, leveraging the fibroblast model, and plans to expand to other diseases. They are seeking partnerships for clinical trials and emphasize the uniqueness of their biology-driven approach and high-throughput screening capabilities.

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Critical Evaluation

Value of the Information & Strength of the Argument

The presentation provides valuable insights into a novel approach to aging research, combining CRISPR screens with a stem cell model to identify rejuvenation targets. The argumentation is logical, moving from target identification to validation and clinical translation. However, the evidence presented is largely proprietary and lacks peer-reviewed validation. The speaker acknowledges limitations and unanswered questions, such as translation to in vivo settings, which tempers the strength of the claims.

Scientific Rigor, Source Quality, Title Accuracy

The presentation is a company pitch, so scientific rigor is moderate. No external sources are cited, and the data presented are not published in peer-reviewed journals. The title accurately reflects the content, which is a startup pitch. The adequacy between title and content is good, as the video is indeed a pitch for Clock.bio at the ARDD2025 conference.

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Title / Content Match

The title accurately reflects the content: a startup pitch by Clock.bio at the ARDD2025 conference.

Quality & Reliability

6/10

Presentation of proprietary research with limited peer-reviewed evidence, but transparent about methods and data.

Key Moments

Contribution & Novelties

The video presents Clock.bio’s proprietary approach to aging research, combining CRISPR screens with a stem cell model to identify novel rejuvenation targets. The main novelty is the scale of the screen (20,000 genes) and the identification of 151 targets, which could lead to new therapeutic interventions. The company’s focus on skincare as a first application is pragmatic but may limit the perceived impact.

Pour aller plus loin :

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Radar Profile

The radar profile shows moderate scores across all dimensions, with a slight peak in technical level, reflecting the specialized content. The lower reliability score indicates the lack of peer-reviewed evidence, while the adequate title-content alignment is reflected in the moderate overall score.

Reliability 5/10