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Spago Nanomedical reports positive Phase IIa data

Mats Hansen

The analysis of data from the phase IIa clinical study SPAGOPIX-02 with the contrast agent pegfosimer manganese confirms that the primary endpoint of measuring the MRI enhancing effect in endometriotic lesions was met, with an overall acceptable safety profile.

“The promising results and conclusions from this first clinical trial with pegfosimer manganese in endometriosis strengthen our belief in pegfosimer manganese as a novel contrast agent with the potential to significantly improve the precision of MRI in this group of underserved patients,” says Mats Hansen, CEO of Spago Nanomedical.

SPAGOPIX-02

The analysis of MR-images from the SPAGOPIX-02 clinical study shows that the primary endpoint of measuring the MRI enhancing effect in endometriotic lesions that was identified by the treating gynaecologist was met. Contrast enhancement with pegfosimer manganese was observed in the majority of lesions confirmed by unenhanced ultrasound. In addition, the overall safety was considered acceptable, confirming the previously announced preliminary conclusion by the study Data Monitoring Committee (DMC).

Exploratory analysis is suggestive of enhancement in active inflammatory lesions but not of indolent fibrotic lesions, suggesting the clinical relevance of pegfosimer manganese-enhanced MRI, which may be of great importance for disease staging and treatment planning.

SPAGOPIX-02 is an open-label, proof-of-concept study with the primary objective to evaluate the MRI enhancing properties of the novel lesion selective MRI contrast agent pegfosimer manganese in patients with suspected endometriosis. Secondary objectives included evaluations of the diagnostic value of pegfosimer manganese for detection of endometriosis lesions, specifically deep pelvic endometriosis lesions, and safety.

Granted the official generic name

The contrast agent, previously known only as SN132D, has been granted the official generic name (International Nonproprietary Name (INN)) pegfosimer manganese by the World Health Organisation (WHO). From now on, the generic name will be used in all external communications.

Pegfosimer manganese has previously been evaluated in the phase I clinical study SPAGOPIX-01 in patients with confirmed breast cancer. Results from the study show that the contrast agent is well tolerated and provides clear contrast in MRI images of solid tumors in the breast, as well as in the pancreas and liver.

Photo of Mats Hansen: Spago Nanomedical

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