Publications by authors named "Madelaine-Chambrin I"

Brentuximab vedotin (BV)-bendamustine (90 or 120 mg/m2 day 1 and 2) every 28 days is an effective treatment for relapsed/refractory Hodgkin lymphoma (R/R HL) but associated to high toxicity especially for elderly patients. We conducted in St Louis Hospital, Paris, between 2015 and 2021 a retrospective single-center analysis of 44 patients with R/R HL treated with one-day BV-bendamustine (120 mg/m2) every 21 days. Sixteen percent of patients were ≥ 60 years old (yo).

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Objectives: We sought to estimate the prevalence of patients with cancer presenting to the emergency department (ED) who are undergoing treatment with immune checkpoint blockade (ICB) therapy; report their chief complaints; describe and estimate the prevalence of immune-related adverse events (IRAEs).

Methods: Four abstractors reviewed the medical records of patients with cancer treated with ICB who presented to an ED in Paris, France between January 2012 and June 2017. Chief complaints, underlying malignancy and ICB characteristics, and the final diagnoses according to the emergency physician were recorded.

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Article Synopsis
  • Anti-PD-1 and anti-CTLA-4 antibody treatments for melanoma can lead to autoimmune side effects, including type 1 diabetes (T1D), through increased production of certain cytokines.
  • A study at Saint Louis Hospital from 2014 to 2016 found 3 cases of T1D among 132 melanoma patients treated with anti-PD-1, while blood glucose levels remained stable but C-reactive protein (CRP) significantly rose.
  • Data from the French Pharmacovigilance Database also revealed 14 rapid and severe T1D cases during immunotherapy, suggesting that anti-PD-1 treatment is associated with increasing CRP levels, which may lead to insulin resistance without immediate impact on
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  • Advances in targeted therapy and immune checkpoint inhibitors, like cobimetinib and vemurafenib, have improved the prognosis for melanoma patients, particularly those with BRAF mutations.
  • A case study highlighted a serious side effect of cobimetinib: focal necrotizing myopathy with symptoms such as severe neck weakness and elevated creatine phosphokinase (CPK) levels, confirmed by muscle biopsy.
  • After temporarily stopping cobimetinib and normalizing CPK levels, the patient showed a partial response, leading to a continued but reduced dosage of the therapy, emphasizing the importance of being aware of potential adverse effects in future treatments.
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  • Anti-PD-1 antibody treatment is effective for advanced melanoma, improving survival rates but comes with significant immune-related side effects like rash and thyroiditis.
  • A case study highlighted a 73-year-old man who developed autoimmune diabetes following nivolumab treatment, leading to diabetic ketoacidosis six weeks in.
  • Investigations showed pre-existing islet cell autoantibodies, indicating a potential autoimmune reaction triggered by the medication, suggesting that glucose levels should be closely monitored in patients on PD-1 blockade.
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Objectives: To assess the sustainable efficacy and safety of a switch from enfuvirtide to raltegravir in patients with multidrug-resistant HIV infection.

Methods: One hundred and seventy patients with multidrug-resistant HIV infection and suppressed plasma HIV RNA levels < 400 copies/mL under an enfuvirtide-based regimen were randomized to maintain their regimen or to switch to a raltegravir-based regimen (immediate group) in a 48 week prospective, randomized, open-label trial. At week 24, patients in the maintenance arm also switched to raltegravir (deferred group).

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Objective Of The Study: Body size based dosing is often used for prescribing anticancer drugs. However the scientific and the clinical rationales of this historical method have recently been criticized. As a result, alternative dosing strategies have been suggested, as flat-fixed dosing regimens, but not implemented in routine practice.

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Aims: The treatment of dermatofibrosarcoma protuberans (DFSP) involves wide local excision with frequent need for reconstructive surgery. A t(17;22) translocation resulting in COL1A1-PDGFB fusion is present in >95% of cases. Certain patient observations and a report on nine patients suggest that imatinib mesylate, targeting platelet-derived growth factor receptor beta, has clinical potential in DFSP.

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Background: Among patients with multidrug-resistant human immunodeficiency virus type 1 (HIV-1) infection, salvage regimens including enfuvirtide have demonstrated sustained efficacy. Because of reluctance to use subcutaneous injections, raltegravir may be an alternative to replace enfuvirtide within a suppressive regimen. We conducted a prospective, randomized, open-label trial to compare the antiviral efficacy and safety of a switch to raltegravir with the efficacy and safety of continuing enfuvirtide.

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Objective: To evaluate the evolution of anti-TNFalpha prescriptions in relation with the "contrat de bon usage" between 2004 and 2007.

Method: All the infliximab, etanercept and adalimumab prescriptions were studied over the first six month period of each year between 2004 and 2007. The indications were compared with the guidelines for therapeutic use.

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Facial lipoatrophy is a frequent adverse effect of HIV-infected patients due to antiretroviral therapy. Intradermal injection of polylactic acid (Newfill) is one of the currently available treatments. Newfill is a resorbable implant and follow-up has to be rigorous.

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Purpose: Single-agent chemotherapy is usually effective in HIV-associated multicentric Castleman's disease (MCD). However, in most patients, chemotherapy cannot be discontinued.

Patients And Methods: To evaluate the efficacy of four weekly rituximab infusions (375 mg/m(2)) after discontinuation of chemotherapy in HIV-associated MCD, 24 patients were enrolled onto a prospective open-label trial.

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To investigate the efficacy and the safety of gemcitabine and oxaliplatin combination in metastatic breast cancer (MBC), in patients heavily treated with anthracycline and taxane. A retrospective study including all MBC patients, treated by two different schedules of GemOx between February 2001 and December 2003 in the medical oncology department of Saint-Louis hospital. Forty-three consecutive patients were included.

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Background: Ritonavir (RTV)-boosted atazanavir (ATV) and tenofovir disoproxil fumarate (TDF-DF) are promising in highly experienced patients because of their pharmacokinetic profile, activity, safety and resistance properties.

Methods: A 26-week study of the safety and efficacy of RTV-boosted ATV plus TDF-DF was conducted in 53 HIV-infected patients who were failing their current highly active antiretroviral therapy (HAART) regimen. Patients with history of failure to at least two protease inhibitors (PIs) and one non-nucleoside reverse transcriptase inhibitor (NNRTI) were randomized to either continue their current regimen (group 1) or replace the PI by ATV (300 mg once daily) boosted by RTV (100 mg; group 2) for 2 weeks.

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French hospital pharmacists have been officially involved in the organization of clinical trials since 1988. New responsibilities included reception of clinical treatment units and nominative dispensation of these drugs. For quality assurance, they organized all the procedures to secure drugs utilization according to good clinical practices and ICH guidelines.

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Objectives: Rasburicase (Fasturtec) is used to prevent or treat hyperuricemia associated with chemotherapy. We developed a capillary zone electrophoresis method to measure urinary allantoin, the degradation product of uric acid by rasburicase.

Design And Methods: Electrophoresis was performed using a P/ACE 5500 system (Beckman) with a fused silica capillary tube and a UV-visible detector set at 214 nm.

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Background: Autologous Stem Cell Transplantation (ASCT) with Peripheral Blood Stem Cells is widely used as consolidation in lymphoma patients. The rapidity and stability of cell engraftment correlate with the number of CD34+ cells in the autograft. However, whether CD34+ cells should be quantified before or after cryopreservation remains unclear.

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We previously showed that arsenic trioxide (ATO) and melarsoprol may inhibit the growth of multiple myeloma (MM) cells in vitro and in vivo. We report here the administration of arsenic derivatives in 12 relapsing or refractory secretory MM patients. A total of 10 patients received ATO (eight in a continuous schedule, two discontinuously) and two received melarsoprol.

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The Abl tyrosine kinase inhibitor imatinb is becoming a standard for the treatment of chronic myelogenous leukemia (CML). However, Bcr-Abl gene mutations have been reported mainly in relapsing or resistant patients. In primary resistant patients, only few mutations have been documented so far, suggesting alternative mechanisms.

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These next years, many anticancer drugs will be available with new mechanism of action. The taxoïd compounds: Taxol and Taxotere have been judged efficous in the treatment of advanced ovary and breast cancers. Also, DNA-Topoisomerase I inhibitors, a new enzyme molecular target, will expand solid tumors therapeutic strategies.

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