Precise gene editing before or after birth for metabolic diseases

Postnatal and Prenatal Therapeutic Base Editing for Metabolic Diseases

NIH-funded research Children's Hosp of Philadelphia · NIH-11145243

This project develops precise gene-editing treatments given before birth or soon after to correct genetic metabolic conditions in children.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionChildren's Hosp of Philadelphia NIH-funded
Lab location1 site (Philadelphia, United States)
Project IDNIH-11145243 on NIH RePORTER

What this research studies

If you or your baby has a genetic metabolic disease, this project is developing precise "base editing" treatments that can change single DNA letters to fix disease-causing genes. Researchers are testing delivery methods such as AAV viral carriers and lipid nanoparticles, and trying treatments given before birth (in utero) as well as after birth to reach organs like the liver. Most work is being done in animal models now to study safety, immune reactions, and how well the edits last, with the goal of moving the best approaches toward human use. The team at Children's Hospital of Philadelphia aims to identify which conditions and timing offer the best chance of a lasting benefit with acceptable risks.

Who could benefit from this research

Good fit: Ideal candidates would be fetuses or newborns diagnosed with specific single-gene metabolic disorders that are correctable by an adenine base editor or similar precise edit.

Not a fit: Patients whose conditions are not caused by the specific single-base mutations targeted, who have irreversible organ damage, or whose disease mechanism is not addressable by base editing are unlikely to benefit.

Why it matters

Potential benefit: If successful, this work could permanently correct the underlying genetic cause of some metabolic diseases when treated before or shortly after birth, reducing long-term illness or preventing it entirely.

How similar studies have performed: Related in vivo genome-editing approaches have shown promising results in animal models and early liver-targeted human work (e.g., TTR, PCSK9, ANGPTL3), but prenatal in utero base editing remains experimental.

Where this research is happening

Philadelphia, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.