Evaluating a new treatment for microcystic lymphatic malformations

SELVA: A Multicenter, Phase 3 Baseline-Controlled Study Evaluating the Safety and Efficacy of PTX-022 in the Treatment of Microcystic Lymphatic Malformations

NIH-funded research Palvella Therapeutics, INC. · NIH-11104574

This study is testing a new gel called PTX-022 to see if it can safely help people with microcystic lymphatic malformations, a rare condition that affects the lymphatic system, and it's looking for participants to see how well it works and if there are any side effects.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionPalvella Therapeutics, INC. NIH-funded
Lab location1 site (Wayne, United States)
Project IDNIH-11104574 on NIH RePORTER

What this research studies

This research investigates the safety and effectiveness of a topical gel called PTX-022 for treating microcystic lymphatic malformations, a rare and chronic condition affecting the lymphatic system. Patients will be enrolled in a multicenter, phase 3 trial where they will receive the treatment and be monitored for improvements in their symptoms and overall health. The study aims to provide the first FDA-approved therapy for this debilitating condition, which currently has no approved treatments. Participants will be closely observed to assess any side effects and the gel's impact on their condition.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with microcystic lymphatic malformations, particularly those experiencing significant symptoms.

Not a fit: Patients without a diagnosis of microcystic lymphatic malformations or those with other lymphatic disorders may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to the first effective treatment for patients suffering from microcystic lymphatic malformations.

How similar studies have performed: Preliminary studies have shown some benefit of oral sirolimus in treating microcystic lymphatic malformations, indicating potential for success with this topical formulation.

Where this research is happening

Wayne, 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 2026-06-13 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.