# A Safety and Efficacy Long-Term Follow-up Study of Adult Participants Treated With Gene Modified T Cells

> **NCT06798298** · — · RECRUITING · sponsor: **Regeneron Pharmaceuticals** · enrollment: 50 (estimated)

## Conditions studied

- Long Term Safety Following GM T Cell Therapy

## Interventions

- **GENETIC:** Non-interventional

## Key facts

- **NCT ID:** NCT06798298
- **Lead sponsor:** Regeneron Pharmaceuticals
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2025-11-10
- **Primary completion:** 2040-06-17
- **Final completion:** 2040-06-17
- **Target enrollment:** 50 (ESTIMATED)
- **Last updated:** 2025-11-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06798298

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06798298, "A Safety and Efficacy Long-Term Follow-up Study of Adult Participants Treated With Gene Modified T Cells". Retrieved via AI Analytics 2026-06-26 from https://api.ai-analytics.org/clinical/NCT06798298. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*