# ON 123300 (Narazaciclib) and Dexamethasone in Patients With Relapsed and/or Refractory Multiple Myeloma

> **NCT06351644** · PHASE1,PHASE2 · TERMINATED · sponsor: **Adriana Rossi** · enrollment: 2 (actual)

## Conditions studied

- Relapsed and/or Refractory Multiple Myeloma

## Interventions

- **DRUG:** ON 123300
- **DRUG:** Dexamethasone

## Key facts

- **NCT ID:** NCT06351644
- **Lead sponsor:** Adriana Rossi
- **Sponsor class:** OTHER
- **Phase:** PHASE1,PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2024-10-02
- **Primary completion:** 2025-04-28
- **Final completion:** 2025-04-28
- **Target enrollment:** 2 (ACTUAL)
- **Why stopped:** Study closure is due to insufficient supply of study drug.
- **Last updated:** 2025-11-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06351644

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06351644, "ON 123300 (Narazaciclib) and Dexamethasone in Patients With Relapsed and/or Refractory Multiple Myeloma". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT06351644. Licensed CC0.

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