Register Now: From Clinical to Commercial: Accelerating ADC Late-Stage Development with Technology Innovation and Integrated Platform
Logo Image
News|Podcasts|May 21, 2026

The BioPharm Brief: Weight Loss, Oncology, Longevity

This edition of The BioPharm Brief highlights major advances in obesity, oncology, and regenerative medicine, including Merck’s Phase 3 ADC study in metastatic colorectal cancer, Eli Lilly’s promising retatrutide obesity trial results, and manufacturing progress supporting Klotho cell therapy development. Together, these updates reflect the biopharma industry’s accelerating focus on targeted therapies, next-generation weight loss drugs, and scalable cell therapy innovation.

Welcome to The BioPharm Brief, your daily snapshot of developments shaping the biopharmaceutical industry.

Today’s stories all point to a common trend in biopharma: companies are pushing beyond incremental progress and aiming for transformational outcomes in major disease areas. From next-generation cancer therapies to obesity drugs delivering unprecedented efficacy and new manufacturing advances in regenerative medicine, the industry continues to focus on therapies designed for both precision and scale.

First, Merck is advancing a Phase 3 study evaluating an antibody-drug conjugate, or ADC, in metastatic colorectal cancer. The move reflects growing industry confidence in targeted oncology approaches that combine the precision of biologics with the potency of chemotherapy payloads. ADC development has become one of the most competitive areas in oncology, particularly for difficult-to-treat solid tumors where treatment options remain limited.

Meanwhile, Eli Lilly reported up to 28.3% weight loss in a Phase 3 obesity trial evaluating retatrutide. The results further intensify competition in the obesity therapeutics market, which continues to expand rapidly as pharmaceutical companies explore multi-receptor approaches designed to improve metabolic outcomes beyond earlier GLP-1 therapies. Analysts say the category is becoming one of the most commercially significant areas in modern drug development.

And finally, Avai BioPharma and Austrianova announced progress in a manufacturing step tied to Klotho cell therapy development. The update highlights how manufacturing innovation remains central to advancing regenerative medicine programs, especially as companies work to improve scalability, consistency, and commercial readiness for cell-based therapies.


Thanks for listening to The BioPharm Brief. For analysis and expert insights, please visit BioPharmInternational.com.

Key Insights

  • Merck advances ADC development in metastatic colorectal cancer as targeted oncology competition intensifies.
  • Eli Lilly reports up to 28.3% weight loss with retatrutide in a pivotal obesity study.
  • Avai BioPharma and Austrianova move forward on manufacturing capabilities supporting Klotho cell therapy development.

Related to this article

View more
The BioPharm Brief: An AI-Designed Multibody ADC Enters the Clinic, Blackstone Backs Pfizer’s Monthly GLP-1, and enGene Readies a Bladder Cancer BLA
The BioPharm Brief: An AI-Designed Multibody ADC Enters the Clinic, Blackstone Backs Pfizer’s Monthly GLP-1, and enGene Readies a Bladder Cancer BLA
FDA clears the IND for Biolojic Design’s BD200, an AI-designed Trop2/Nectin-4 multibody ADC; Blackstone Life Sciences agrees to provide Pfizer up to $1.5 billion to develop its monthly GLP-1 receptor agonist berobenatide; and enGene Therapeutics plans a year-end BLA for detalimogene voraplasmid in BCG-unresponsive non-muscle invasive bladder cancer.
Read more
The BioPharm Brief: FDA Designations for a Bispecific CAR-T, a BLA for Friedreich’s Ataxia, and Phase 2b MASH Data for Efinopegdutide
The BioPharm Brief: FDA Designations for a Bispecific CAR-T, a BLA for Friedreich’s Ataxia, and Phase 2b MASH Data for Efinopegdutide
FDA grants RMAT and Fast Track designations to AbelZeta’s CD20/CD19 bispecific CAR-T prizlon-cel in relapsed or refractory large B-cell lymphoma, Larimar Therapeutics completes a BLA seeking accelerated approval of nomlabofusp for Friedreich’s ataxia, and Merck’s GLP-1/glucagon receptor agonist efinopegdutide meets its primary endpoint in a phase 2b MASH trial.
Read more
The BioPharm Brief: argenx Bets on Peptides, a Two-Bispecific Regimen in Prostate Cancer, and a New Take on T-Cell Engagers
The BioPharm Brief: argenx Bets on Peptides, a Two-Bispecific Regimen in Prostate Cancer, and a New Take on T-Cell Engagers
argenx agrees to acquire macrocyclic peptide developer Unnatural Products for up to about $1.15 billion, Johnson & Johnson’s pasritamig and JNJ-9401 bispecific regimen achieves a 73% PSA response in phase 1 in metastatic castration-resistant prostate cancer, and Janux Therapeutics’ TRBV6-targeted T-cell engager JANX011 shows deep B-cell depletion in healthy volunteers.
Read more
The BioPharm Brief: A Bispecific Approval in Head and Neck Cancer, TCR Bispecifics Head to the Clinic, and a New Antibody Target in Essential Thrombocythemia
The BioPharm Brief: A Bispecific Approval in Head and Neck Cancer, TCR Bispecifics Head to the Clinic, and a New Antibody Target in Essential Thrombocythemia
FDA grants accelerated approval to Johnson & Johnson’s subcutaneous EGFR/MET bispecific Rybrevant Faspro for previously treated head and neck squamous cell carcinoma, T-Therapeutics raises a $133 million Series B to take TCR-CD3 bispecifics into clinical trials, and Alethio Therapeutics raises a $90 million Series A to advance its first-in-class G6B antibody for essential thrombocythemia.
Read more
The BioPharm Brief: Ivonescimab Priority Review in China, Stargardt Gene Therapy Moves Toward Phase 3, and Longer Dosing Intervals for an IBD Bispecific
The BioPharm Brief: Ivonescimab Priority Review in China, Stargardt Gene Therapy Moves Toward Phase 3, and Longer Dosing Intervals for an IBD Bispecific
China’s NMPA grants priority review to Akeso’s PD-1/VEGF bispecific ivonescimab with chemotherapy for first-line biliary tract cancer, VeonGen Therapeutics aligns with FDA on a phase 3 design for its dual-AAV Stargardt gene therapy VG801, and Caldera Therapeutics’ IL-23p19×TL1A bispecific CLD-423 shows a half-life of more than 40 days in a phase 1a trial.
Read more
The BioPharm Brief: A $7 Billion Oncology Option Deal, a TL1A Pivot, and Oral Adalimumab Heads to the Clinic
The BioPharm Brief: A $7 Billion Oncology Option Deal, a TL1A Pivot, and Oral Adalimumab Heads to the Clinic
Boehringer Ingelheim licenses six preclinical ADC and T-cell engager programs from Sino Biopharmaceutical in a deal worth up to $7 billion, Spyre Therapeutics drops anti-TL1A antibody SPY072 in rheumatic diseases after phase 2 misses and turns to hidradenitis suppurativa, and Biora Therapeutics gets ethics approval for a first-in-human trial of its BioJet oral adalimumab capsule.
Read more