Hydrogen nuclei in fat and in water resonate at slightly different frequencies in a magnetic field. By acquiring images at several echo times, the signal can be separated into water and fat components, and the fat fraction calculated for each voxel. Averaged across the liver, this gives a percentage that corresponds closely to histological fat content.
A fat fraction above about 5 per cent is the conventional threshold for steatosis, and the substudy used a threshold of this kind for enrolment and for defining normalisation.
Biopsy samples a tiny fraction of the liver, is invasive, carries risk and has sampling variability. MRI-PDFF measures the whole organ, can be repeated, and has been validated against histology. For a trial endpoint measured at several time points in hundreds of participants, it is the only practical choice.
Biopsy remains necessary for fibrosis and inflammation, which MRI-PDFF does not measure.
Sanyal and colleagues reported relative change in liver fat fraction at 24 and 48 weeks and the proportion of participants reaching normal levels. The substudy did not assess fibrosis, and the authors state that histological outcomes would require separate trials.
Retatrutide is supplied by REVIVE LAB UAE as an investigational research material for laboratory use only, with identity by mass spectrometry and purity by HPLC for the batch. It is not approved for any use anywhere, and no dosing, administration or protocol guidance is provided.
| Format | Strength | Price | Availability |
|---|---|---|---|
| Retatrutide Pack | 20 mg | AED 1010 | In stock |
Delivery is AED 40 flat and free on orders over AED 700. Payment is cash on delivery anywhere in the UAE, or USDT (TRC20) in advance, which takes 5% off the order total.
Hydrogen nuclei in fat and in water resonate at slightly different frequencies in a magnetic field. By acquiring images at several echo times, the signal can be separated into water and fat components, and the fat fraction calculated for each voxel. Averaged across the liver, this gives a percentage that corresponds closely to histological fat content.
No. REVIVE LAB UAE supplies research materials and provides no dosing, administration or protocol guidance of any kind. Every product is sold for laboratory research use only and is not for human or veterinary consumption.
Stock is held in Dubai. An order confirmed before 4 PM Dubai time is dispatched the same working day, reaching Dubai and Abu Dhabi the same day and the remaining emirates within 24 hours. Delivery is AED 40 flat and free over AED 700.
Supplied for laboratory research use only. Not for human or veterinary consumption. REVIVE LAB UAE provides no dosing, administration or protocol guidance.