Sun Pharma: Mixed Results for Fibromun Cancer Drug Trial and Positive Data for Obesity Drug Utreglutide
Sun Pharmaceutical Industries and Philogen S.p.A. announced mixed Phase III results for Fibromun in advanced soft tissue sarcoma. The FIBROSARC trial missed its primary endpoint but showed favorable trends in progression-free survival, objective response rate, and overall survival. Philogen plans to discuss results with regulators and initiate a new Phase III trial. Sun Pharma also presented positive clinical data for its obesity drug utreglutide (GLO034), demonstrating significant weight loss and metabolic improvements in multiple studies.

*this image is generated using AI for illustrative purposes only.
Sun Pharmaceutical Industries Limited and its partner, Philogen S.p.A., have announced mixed results from the Phase III FIBROSARC clinical trial evaluating Fibromun in combination with doxorubicin for the treatment of advanced soft tissue sarcoma (STS). Additionally, Sun Pharma presented clinical trial results for its investigational obesity drug utreglutide (GLO034) at recent medical conferences.
Fibromun Trial Results
The FIBROSARC study, which compared Fibromun plus doxorubicin to doxorubicin alone as a first-line treatment, did not meet its primary endpoint of progression-free survival (PFS). However, the results showed trends favoring the combination therapy:
| Metric | Fibromun + Doxorubicin | Doxorubicin Alone |
|---|---|---|
| Median PFS | 7.9 months | 4.6 months |
| Objective Response Rate | 19.0% | 14.3% |
| Median Overall Survival | 28.3 months | 19.6 months |
It's important to note that the overall survival data remains immature, with only 54 events recorded at the time of analysis.
Future Plans for Fibromun
Despite not meeting the primary endpoint, Philogen plans to:
- Discuss the results with European and US regulatory authorities
- Initiate a new Philogen-sponsored confirmatory Phase III trial with overall survival as the primary endpoint
Utreglutide Clinical Trial Results
Sun Pharmaceutical Industries presented clinical trial results for its investigational obesity drug utreglutide (GLO034) at recent medical conferences. The Phase 1b/2a studies showed:
- 13 weeks of treatment in individuals with obesity and MASLD demonstrated 6.8% body weight reduction and 6.8% waist circumference reduction at week 14.
- A separate 10-week study in overweight and obese individuals showed 6.8% body weight loss with 10% reductions in total cholesterol and LDL.
- In post-menopausal females with obesity, the drug achieved 8% weight loss at week 14 along with reduced liver fat content and blood pressure improvements.
The most common adverse events were gastrointestinal, including nausea, diarrhea, and vomiting, consistent with the drug class. GLO034 is a novel once-weekly GLP-1 receptor agonist being developed for obesity and type 2 diabetes treatment. Further clinical studies are planned to assess safety and efficacy.
Expert Commentary on Fibromun
Prof. Dr. Christoph Schliemann, the study coordinator and Principal Investigator from UK Münster, commented: "Fibromun is showing signs of activity in a very difficult-to-treat indication. We remain interested in future applications of this investigational study drug. We are eager to learn about the evolution of overall survival data."
Other Ongoing Studies
Philogen is also advancing other trials involving Fibromun:
- FLASH: A randomized controlled Phase II trial evaluating Fibromun with Dacarbazine in advanced or metastatic soft tissue sarcoma
- FIBROSARC US: A randomized controlled Phase IIb trial studying Fibromun with Doxorubicin in metastatic Leiomyosarcoma
- Multiple glioblastoma programs, including GLIOSUN, GLIOSTAR, and GLIOSTELLA
Market Implications
While the Fibromun trial results are mixed, the potential for the drug in treating difficult cancers remains. The outcome of these studies could have implications for Sun Pharma's oncology portfolio. Additionally, the results from the utreglutide trials position Sun Pharma as a potential player in the obesity drug market.
Investors and industry observers will be closely watching for the mature overall survival data for Fibromun and the results of the planned confirmatory Phase III trial. They will also be monitoring the progress of utreglutide as it moves through further clinical studies. These developments could impact Sun Pharma's future market position in both cancer treatments and obesity management.
Historical Stock Returns for Sun Pharmaceutical
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