Almost three months to the day after Protara Therapeutics Inc. made known positive interim data from the phase II trial testing cell-based therapy TARA-002 in pediatric patients with macrocystic and mixed cystic lymphatic malformations (LMs), Palvella Therapeutics Inc. scored positive top-line results from the phase III Selva study evaluating Qtorin 3.9% rapamycin anhydrous gel for microcystic LMs.