Histidine
| Evidence Level: L5 | Predicted Indications: 2 |
Table of Contents
Histidine: From No Recorded Indication to Gastroparesis
One-Sentence Summary
Histidine is an amino acid product. The supplied data record no approved indication for it. The TxGNN model predicts it may be effective for gastroparesis, but 0 clinical trials and 0 publications currently support this prediction.
Quick Overview
| Item | Content |
|---|---|
| Original Indication | Not recorded (the only license lists no indication text) |
| Predicted New Indication | Gastroparesis |
| TxGNN Prediction Score | 99.55% |
| Evidence Level | L5 (model prediction only) |
| US Market Status | ✓ Marketed |
| Number of NDAs | 1 |
| Recommended Decision | Hold |
Why is This Prediction Reasonable?
Currently, detailed mechanism of action data is not available. Histidine is a marketed amino acid product, but no original indication is on file. The prediction therefore cannot be checked against known pharmacology.
The TxGNN score is very high, but no trials or publications support it, and no mechanistic link to gastroparesis can be established from the supplied data. The score reflects a knowledge-graph association only. Until a plausible mechanism and human data are identified, this should be treated as a hypothesis, not a finding.
Clinical Trial Evidence
Currently no related clinical trials registered.
Literature Evidence
Currently no related literature available.
US Market Information
| Authorization Number | Product Name | Dosage Form | Approved Indication |
|---|---|---|---|
| Not available in source data | L-Histidine High (Professional Complementary Health Formulas) | Liquid | Not stated |
Safety Considerations
Please refer to the package insert for safety information. No drug interactions were found in the queried data.
Conclusion and Next Steps
Decision: Hold
Rationale: The prediction rests only on a high model score (Evidence Level L5). No trials, no literature, no mechanism data and no original indication are available to support it.
To proceed, the following is needed:
- Package insert warnings and contraindications (a blocking gap for safety screening)
- Mechanism of action data (for example from DrugBank) and a defined original indication
- A literature and trial search specific to histidine and gastroparesis, including any human evidence
- A review of the mechanistic plausibility of the association
- A verified license number and indication text for the marketed product
Disclaimer
This content is for research purposes only and does not constitute medical advice. Clinical validation is required before any clinical application.