# Correlation Vitamin D Level to Endocrine Autoimmune Toxicity Due to Immune Checkpoint Inhibitors

> **NCT04615988** · — · RECRUITING · sponsor: **Icahn School of Medicine at Mount Sinai** · enrollment: 17 (estimated)

## Conditions studied

- Thyroid
- PD-1
- Cancer

## Interventions

- **OTHER:** blood draw and questionnaire completion
- **OTHER:** questionnaire completion, blood collection

## Key facts

- **NCT ID:** NCT04615988
- **Lead sponsor:** Icahn School of Medicine at Mount Sinai
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2021-06-09
- **Primary completion:** 2028-06
- **Final completion:** 2028-06
- **Target enrollment:** 17 (ESTIMATED)
- **Last updated:** 2026-03-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04615988

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04615988, "Correlation Vitamin D Level to Endocrine Autoimmune Toxicity Due to Immune Checkpoint Inhibitors". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04615988. Licensed CC0.

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