research use only

Rimiducid (AP1903) Dimerizer Agent

Cat.No.S9726

Rimiducid (AP1903) is a chemical protein dimerizer that binds tightly to the target FKBP fusion protein while binding minimally to the abundant natural FKBP. This compound elicits potent and dose-dependent apoptosis of cells in culture expressing dimerizer-dependent Fas constructs, with an EC50 of ≈0.1 nM.
Rimiducid (AP1903) FKBP activator Chemical Structure

Chemical Structure

Molecular Weight: 1411.63

Quality Control

Batch: S972601 DMSO]100 mg/mL]false]Ethanol]100 mg/mL]false]Water]Insoluble]false Purity: 99.89%
99.89

Chemical Information, Storage & Stability

Molecular Weight 1411.63 Formula

C78H98N4O20

Storage (From the date of receipt) 3 years -20°C powder
CAS No. 195514-63-7 -- Storage of Stock Solutions

Synonyms N/A Smiles CCC(C(=O)N1CCCCC1C(=O)OC(CCC2=CC(=C(OC)C=C2)OC)C3=CC(=CC=C3)OCC(=O)NCCNC(=O)COC4=CC=CC(=C4)C(CCC5=CC(=C(OC)C=C5)OC)OC(=O)C6CCCCN6C(=O)C(CC)C7=CC(=C(OC)C(=C7)OC)OC)C8=CC(=C(OC)C(=C8)OC)OC

Solubility

In vitro
Batch:

DMSO : 100 mg/mL (70.84 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Ethanol : 100 mg/mL

Water : Insoluble

Molarity Calculator

Mass Concentration Volume Molecular Weight

In vivo
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Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

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Mechanism of Action

Targets/IC50/Ki
FKBP fusion protein [1]
In vitro

Rimiducid (AP1903) induces effective and dose-dependent apoptosis in the culture expressing dimer-dependent Fas constructors, indicating that it causes the activation of Fas signaling without interference from endogenous FKBP.[2]

In vivo

Eliciting a dose-dependent decrease in serum hGH levels with a half-maximal effective dose of 0.4±0.1 mg/kg, Rimiducid (AP1903) is functional in activating Fas signaling in vivo.[2]

References

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2024-05-22)

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT05298995 Recruiting
Brain Tumor Pediatric|Medulloblastoma Childhood|Embryonal Tumor|High Grade Glioma|Diffuse Midline Glioma|Diffuse Intrinsic Pontine Glioma|Brain Tumor Adult
Bambino Gesù Hospital and Research Institute
November 9 2023 Phase 1
NCT03807063 Withdrawn
Acute Bilineal Leukemia|Myelodysplastic/Myeloproliferative Neoplasm|Myelodysplastic/Myeloproliferative Neoplasm Unclassifiable|Myeloproliferative Neoplasm|Recurrent Acute Biphenotypic Leukemia|Recurrent Acute Lymphoblastic Leukemia|Recurrent Acute Myeloid Leukemia|Recurrent Blastic Plasmacytoid Dendritic Cell Neoplasm|Recurrent Chronic Lymphocytic Leukemia|Recurrent Chronic Myelogenous Leukemia BCR-ABL1 Positive|Recurrent Chronic Myelomonocytic Leukemia|Recurrent Myelodysplastic Syndrome
Fred Hutchinson Cancer Center|National Cancer Institute (NCI)|Bellicum Pharmaceuticals
January 2 2020 Phase 1
NCT02849886 Unknown status
Graft Versus Host Disease|Hematological Malignancies
Centre Hospitalier Universitaire de Besancon|Etablissement Français du Sang|Bellicum Pharmaceuticals
April 10 2019 Phase 1|Phase 2
NCT03741127 Active not recruiting
Multiple Myeloma
Poseida Therapeutics Inc.|California Institute for Regenerative Medicine (CIRM)
October 29 2018 Phase 1
NCT02477878 Active not recruiting
Leukemia|Myelodysplastic Syndromes|Lymphoma|Multiple Myeloma|Hematologic Neoplasms
Bellicum Pharmaceuticals
July 2016 Phase 1

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