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OpenMed-NER-PharmaDetect-ElectraMed-560M

Finds chemical and drug names in English biomedical text

Extract biomedical entitiesDrugs and chemicalsEnglishLarge · 559Mapache-2.0

What it does

This model detects chemical or drug entity names in English clinical notes, research papers, and healthcare documents. It reports an F1 score of 0.956 on the BC5CDR chemicals test set, with 559 million parameters and a maximum sequence length of 514 tokens.

Best for

  • Medication extraction from clinical notes
  • Chemical entity identification in research papers
  • Drug mention detection in patient records

What it detects (1 labels)

  • Chemical or drug

Quality

Benchmark BC5CDR (chemicals) · all models on this benchmark
F10.956
Precision0.948
Recall0.964
Accuracy0.989
SourceReported by the authors (test_results.json in the repository)

Chemical Entity Recognition - Chemical entities from the BC5CDR dataset

Use it

pip install transformers torch

from transformers import pipeline
ner = pipeline("token-classification", model="OpenMed/OpenMed-NER-PharmaDetect-ElectraMed-560M", aggregation_strategy="simple")
print(ner("Patient prescribed 10 mg aspirin for hypertension."))
Android, browser, CPU (ONNX) build
pip install --upgrade "openmed[onnx-runtime]"

from openmed import OnnxModel
model = OnnxModel.from_pretrained("OpenMed/OpenMed-NER-PharmaDetect-ElectraMed-560M-v1-onnx-android")
for entity in model("The patient started imatinib after the consultation."):
    print(entity.to_dict())
Apple Silicon (MLX) build
pip install "openmed[mlx]"

from openmed import analyze_text
from openmed.core.config import OpenMedConfig
result = analyze_text("Patient started imatinib in March.", model_name="OpenMed/OpenMed-NER-PharmaDetect-ElectraMed-560M", config=OpenMedConfig(backend="mlx"))
for e in result.entities:
    print(e.label, e.text)

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