Pioglitazone
| Evidence Level: L5 | Predicted Indications: 9 |
Table of Contents
Pioglitazone: From Type 2 Diabetes Mellitus to Opsismodysplasia
One-Sentence Summary
Pioglitazone is an oral insulin-sensitizing drug originally used to treat type 2 diabetes mellitus. The TxGNN model predicts it may be effective for opsismodysplasia, a rare skeletal dysplasia, but this is a model prediction only, with 0 clinical trials and 0 publications supporting this specific indication.
Quick Overview
| Item | Content |
|---|---|
| Original Indication | Type 2 diabetes mellitus |
| Predicted New Indication | Opsismodysplasia |
| TxGNN Prediction Score | 0.9959 |
| Evidence Level | L5 |
| India Market Status | Listed in a compiled Indian medicine price dataset (at least 20) – CDSCO approval status is not included in this data |
| Number of Listed Products | at least 20 |
| Recommended Decision | Hold |
Why is This Prediction Reasonable?
Currently, detailed mechanism of action data is not available in the data compiled for this report. Based on known pharmacology, pioglitazone is a PPAR-gamma agonist (thiazolidinedione class). Its efficacy in type 2 diabetes is established, where it improves insulin sensitivity.
Opsismodysplasia is caused by INPPL1 mutations (loss of SHIP2 function), which affect PI3K/insulin signaling and chondrocyte maturation. Both conditions touch insulin-related signaling, which may explain the prediction. However, no direct mechanistic link is established, and any connection is speculative. The high score (0.9959) comes from the TxGNN model (deep learning) and may reflect similarities the model learned between related diseases, not biological evidence.
Other top predictions show the same pattern: stiff person syndrome and its focal variant (possible immunomodulation), localized lipodystrophies (PPAR-gamma-driven adipogenesis), thiamine-responsive dysfunction syndrome and pancreatic agenesis (both diabetes-related). All are L5 with no supporting trials or literature specific to the indication.
Clinical Trial Evidence
Currently no related clinical trials registered.
Literature Evidence
No literature directly addresses opsismodysplasia. The seven publications retrieved belong to the rank 9 prediction (pancreatic agenesis). They concern type 2 diabetes and PPAR agonists in general, so they are indirect at best and are not evidence for the top prediction.
| PMID | Year | Type | Journal | Key Findings |
|---|---|---|---|---|
| 16644631 | 2006 | RCT | Diabetes Care | Muraglitazar vs pioglitazone added to metformin in type 2 diabetes; improved glycaemic control and lipids |
| 20859539 | 2010 | Review | Vasc Health Risk Manag | Pioglitazone plus alogliptin as pathophysiologically sound therapy in type 2 diabetes |
| 23680744 | 2013 | Review | Hosp Pract | Pleiotropic effects of thiazolidinediones, including beta-cell protection |
| 22068250 | 2012 | Review | Endocr Pract | Targeting insulin resistance and beta-cell dysfunction in prediabetes |
| 15892654 | 2005 | Review | Curr Mol Med | Clinical significance of PPAR-gamma agonism |
| 12149047 | 2002 | Review | Drugs | Rosiglitazone use in type 2 diabetes (related thiazolidinedione) |
| 15832493 | 2002 | Review | Treat Endocrinol | Rosiglitazone profile in type 2 diabetes (related thiazolidinedione) |
India Market Information
Pioglitazone has 20 valid registrations in India, all single-ingredient entries according to the data compiled for this report, including combinations with metformin or glimepiride-type partners in product names. All are oral tablets. Approved indication text is not available in the registration records. Five main registrations:
| Authorization Number | Product Name | Dosage Form | Approved Indication |
|---|---|---|---|
| 177054 | Pozitiv 15mg Tablet | Strip of 10 tablets | Not stated in record |
| 101571 | Glizone 30mg Tablet | Strip of 10 tablets | Not stated in record |
| 176905 | Path 15 Tablet | Strip of 15 tablets | Not stated in record |
| 48336 | Carbophage P 30mg/500mg Tablet | Strip of 10 tablets | Not stated in record |
| 175035 | Pionorm-M 15 Tablet SR | Strip of 10 tablets (SR) | Not stated in record |
Safety Considerations
- Disease-level contraindication signals (knowledge graph, not label text): kidney disease, liver disease, gallbladder disease, congestive heart failure, adrenocortical insufficiency/Addison disease, thymus gland disease, infectious disease, and a large group of pituitary deficiency and hypogonadotropic hypogonadism conditions (including Kallmann syndrome and Sheehan syndrome).
- Drug Interactions: 603 interactions were identified in total. Examples at the moderate level include abiraterone, acetazolamide, hydrochlorothiazide, epinephrine, salbutamol, formoterol, pseudoephedrine, phenylephrine, hydrocortisone, ethanol and alpelisib. Examples at the minor level include nifedipine, ethinylestradiol and lipoic acid.
Please refer to the package insert for label warnings and contraindications.
Conclusion and Next Steps
Decision: Hold
Rationale: The prediction for opsismodysplasia rests solely on a model score, with no clinical trials, no literature, and no established mechanistic link. The knowledge-graph contraindication signals (heart failure, liver and kidney disease) also need review in a rare pediatric skeletal disorder.
To proceed, the following is needed:
- Package insert warnings and contraindications from the India regulatory source (currently blocking safety screening)
- Mechanism of action data for pioglitazone (e.g., from DrugBank)
- Preclinical or mechanistic studies testing PPAR-gamma modulation in INPPL1/SHIP2-deficient models
- A targeted literature search specific to opsismodysplasia
- Review of lower-ranked predictions (e.g., lipodystrophy forms) as possibly more biologically plausible alternatives, each also requiring supporting evidence
Disclaimer
This content is for research purposes only and does not constitute medical advice. Clinical validation is required before any clinical application.