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DRUG CLASS:

Progesterone receptor antagonist

7d
Mifepristone Reduces Serum CA125 and PRL Levels to Improve Pregnancy Rates in Uterine Adenomyosis Mouse Models†. (PubMed, Biol Reprod)
The study found that mifepristone treatment significantly reduced serum CA125 and PRL levels, and the 20 mg/kg/day dose was most effective in improving pregnancy outcomes. These findings suggest that mifepristone can reduce key biomarkers associated with uterine adenomyosis and improve fertility outcomes, offering a promising treatment option for women suffering from this condition.
Preclinical • Journal
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ER (Estrogen receptor) • MUC16 (Mucin 16, Cell Surface Associated) • PRL (Prolactin)
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Mifeprex (mifepristone)
1m
Assessing progesterone receptor modulation in glioblastoma: from in vitro and animal model to a human pilot protocol. (PubMed, Cancer Biol Ther)
Current treatment involves surgery, radiotherapy and chemotherapy (temozolomide), but survival rates remain low. Repurposing mifepristone (MF), a contraceptive drug, shows promise for GB treatment, warranting further study...The pilot trial demonstrated the pharmacological safety of using MF as an adjuvant in GB treatment. Patients treated with MF showed a significant increase in survival, with an 80% survival rate at 1 year compared to 0% in those who were treated with the standard treatment.
Preclinical • Journal
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PGR (Progesterone receptor)
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temozolomide • Mifeprex (mifepristone)
1m
Study of Pembrolizumab and Mifepristone in Patients With Advanced HER2-negative Breast Cancer (clinicaltrials.gov)
P2, N=24, Terminated, University of Chicago | N=74 --> 24 | Active, not recruiting --> Terminated; side effects (rash)
Enrollment change • Trial termination
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HER-2 negative
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Keytruda (pembrolizumab) • Mifeprex (mifepristone)
2ms
Good Quality 66.7% 5-year Overall Survival in Terminal Lung Cancer Patients Treated With Mifepristone. (PubMed, Anticancer Res)
The likelihood of this type of response occurring by chance is extremely low. It is hoped that this report will encourage oncologists, scientists, and clinicians to further investigate the use of SPRMs in a larger cohort of patients with stage IV lung cancer, and potentially in those with less advanced disease.
Journal
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PGR (Progesterone receptor)
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Mifeprex (mifepristone)
3ms
Journal
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AURKA (Aurora kinase A)
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alisertib (MLN8237) • Mifeprex (mifepristone)
3ms
Clinical study of mifepristone in the prevention of pulmonary infections in elderly patients with TBI (ChiCTR2500109288)
P=N/A, N=108, Not yet recruiting, Affiliated Hospital of Nantong University; Affiliated Hospital of Nantong University
New trial
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Mifeprex (mifepristone)
3ms
Expression of Glucocorticoid Receptor and FOXO1/phospho-FOXO1 in Bladder Cancer as Independent Prognosticators. (PubMed, Cancer Genomics Proteomics)
The expression levels of GR and FOXO1 or p-FOXO1 were strongly correlated in bladder cancer. Specific GR/FOXO1 and GR/p-FOXO1 expression profiles served as independent predictors of disease recurrence or progression.
Journal
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FOXO1 (Forkhead box O1) • NR3C1 (Nuclear Receptor Subfamily 3 Group C Member 1)
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prednisone • dexamethasone • Mifeprex (mifepristone)
4ms
Stress induces corticosterone-mediated CD8+ T cell exhaustion to promote non-small cell lung cancer. (PubMed, Cancer Immunol Immunother)
In brief, our study demonstrates that stress-corticosterone axis induces exhaustion of tumor-infiltrating CD8+ T cells, contributing to accelerated progression of non-small cell lung cancer.
Journal • PD(L)-1 Biomarker • IO biomarker
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CD8 (cluster of differentiation 8) • PD-1 (Programmed cell death 1) • IFNG (Interferon, gamma) • LAG3 (Lymphocyte Activating 3) • TNFA (Tumor Necrosis Factor-Alpha) • HAVCR2 (Hepatitis A Virus Cellular Receptor 2) • GZMB (Granzyme B)
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Mifeprex (mifepristone)
4ms
Endometrial Changes Associated with Mifepristone: A Review. (PubMed, Int J Gen Med)
Monitoring of estradiol(E2) levels before the management is recommended. Risk assessment and preventive strategies, such as intermittent treatment, transvaginal ultrasound and levonorgestrel intrauterine system (LNG-IUS), should be considered.
Review • Journal
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PGR (Progesterone receptor)
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Mifeprex (mifepristone)
4ms
MORE: The Misoprostol-Only Regimen Evidence Study (clinicaltrials.gov)
P4, N=1900, Not yet recruiting, Ibis Reproductive Health
New P4 trial
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Mifeprex (mifepristone)
4ms
Efficacy, Safety, and Acceptability of Mifepristone 50 mg Once-weekly as a Contraceptive (clinicaltrials.gov)
P3, N=1186, Recruiting, Leiden University Medical Center | Not yet recruiting --> Recruiting
Enrollment open
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Mifeprex (mifepristone)
5ms
MOLI: Mifepristone Outpatient Labour Induction (clinicaltrials.gov)
P2, N=400, Recruiting, Chelsea and Westminster NHS Foundation Trust | Trial primary completion date: Oct 2025 --> Dec 2026
Trial primary completion date
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Mifeprex (mifepristone)