Carl Zeiss Meditec AG clinical trials

Part of Carl Zeiss AG, which holds 59.1% of voting rights as of 2025-09-30. Source

The registry lists 59 studies whose lead sponsor is Carl Zeiss Meditec AG or one of 4 companies grouped under it. 4 are recruiting or about to start. Per ClinicalTrials.gov, last updated Aug 28, 2026.

Our grouping of 6 registry names, not the registry’s. See them and correct one ↓

59studies on the registry
4open to participants now

Get an email when these change. Save the Carl Zeiss Meditec AG studies recruiting or about to start — once a week, free: studies that open, close, add sites or post results.

Watch these studies

See an example email

Example · made-up studies

Breast cancer · Recruiting: 2 came in, 3 changed

What changed in your saved searches, Oct 31 – Nov 6:

A study of drug A after surgery for early breast cancer

Came in · now Recruiting

Drug B with hormone therapy in advanced breast cancer

Changed

· Sites: 4 added, including Seoul and Busan

· Enrollment: 300 → 450 participants

Exercise during chemotherapy

Now Active, not recruiting

One email a week for all your saved searches. Stop any time.

All 59 at a glance

Where each study is in its life, its phase and its countries. Each count opens them in search.

Open now47%Recruiting 3 · Not yet recruiting 1
Completed4475%
Stopped early58%Terminated 4 · Withdrawn 1
Status unknown or other610%

Phase

Phase 45
Phase 13

Where

United States23
Germany19
Czechia4
France4
Spain3
China3

Over the years

By the year each study started; 2 started before 2007. 2026 so far in the lighter column.

Focus areas

Conditions Carl Zeiss Meditec AG leads ten or more studies in, by study count. A broader condition is left out when almost all its studies are already in a narrower one listed here.

Cataract18

Studies

Recruiting first, then most recently updated. Showing 50 of 59. Browse all 59 →