Peptide News Digest

#Phase-1b

2 stories

Clinical Trials · View digest

Chinese Biotech GLP-1 Pipeline Activity Added Depth Across the Week With Minwei Bio's MWN105 Phase Ib Clinical Trial Registration (CTR20253330, Targeting Semaglutide-Intolerant Populations) and Phase II Registration (CTR20253336, Covering Non-Diabetic Overweight and Obese Patients With BMI ≥30 or BMI 27-30 With Comorbidities) on August 19-20, Plus Innovent Biologics IBI3032 FDA IND Clearance August 5 and Chinese CTR Re-Registration August 22 (CTR20253396) as Synchronized Dual-Region Clinical Development Activity Across China and the US Extending the Growing Chinese Biotech GLP-1 Pipeline That Already Includes Hengrui-Kailera's Ribupatide (Global Phase 3 H1 2027), Innovent's Mazdutide, and Multiple Other Programs Positioning to Compete With Novo Nordisk and Eli Lilly in Global Obesity Markets

Chinese biotech GLP-1 pipeline activity added depth across the week. Minwei Bio's MWN105 registered two clinical trials on August 19-20, 2026: Phase Ib (CTR20253330) targeting semaglutide-intolerant populations (patients unable to reach target Wegovy or Ozempic doses due to GI side effects, roughly 5-10% of real-world users), and Phase II (CTR20253336) covering non-diabetic overweight and obese patients (BMI ≥30 or BMI 27-30 with weight-related comorbidities). Innovent Biologics IBI3032 received FDA IND clearance August 5, 2026 for a US Phase 1 study, and on August 22 a Chinese CTR registration (CTR20253396) was activated for synchronized dual-region development. The Chinese biotech GLP-1 pipeline continues to expand across multiple programs including Hengrui-Kailera's ribupatide (once-weekly injectable GLP-1/GIP/glucagon triple agonist, global Phase 3 planned H1 2027), Innovent's mazdutide (GLP-1/glucagon dual agonist in late-stage Chinese and US trials), and multiple novel candidates targeting differentiated patient populations. The semaglutide-intolerant population is a real gap in the current commercial landscape: patients who cannot tolerate GI side effects at 1.7 mg or 2.4 mg semaglutide often plateau at sub-therapeutic doses. A drug specifically designed for that population would address an under-served segment. The dual-region synchronized development pattern (China IND filings + US CTR / FDA IND filings in parallel) reflects Chinese biotechs' increasing sophistication at multi-market clinical strategy.

Clinical Trials · View digest

Avacta AVA6000 ASCO 2026 Salivary Gland Cancer Data (May 21): 90% Combined Disease Control, 2 Confirmed Partial Responses + 7 Minor Responses in 30 Phase 1b Patients

Avacta's AVA6000 — a fibroblast activation protein (FAP)-activated peptide-drug conjugate releasing doxorubicin selectively in the tumor microenvironment — released Phase 1a/1b data at ASCO 2026 in salivary gland cancers. Of 30 patients in the Phase 1b cohort treated at 250 mg/m² and above, two experienced confirmed partial responses (>30% tumor shrinkage) and seven experienced minor responses (10-30% shrinkage). The combined Phase 1a + 1b disease control rate reached 90%. Phase 1a data in 11 patients at the same dose range showed 1 confirmed partial response, 4 minor responses, 1 progression, and 5 stable disease — a 91% disease control rate. The favorable safety profile continued versus conventional doxorubicin, with no severe cardiac toxicity events. The data anchors Avacta's planned Phase 2/3 expansion in adenoid cystic carcinoma — the most common salivary gland cancer subtype, with no FDA-approved systemic therapy.