Publications by authors named "Akito Ichiki"

Background: The two-drug regimen of dolutegravir/lamivudine (DTG/3TC) is currently an optional antiretroviral therapy (ART). Despite its reported advantages on body weight and lipid profile, the same effects have not yet been reported for Asian population.

Methods: We conducted a single-center retrospective study involving Japanese people living with HIV (PLWH).

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  • A study was conducted on Japanese people living with HIV to compare body weight changes when switching from tenofovir disoproxil fumarate (TDF) to tenofovir alafenamide fumarate (TAF) while on antiretroviral therapy.
  • The results showed no significant overall difference in weight gain between TDF and TAF; however, younger patients (<50 years) experienced greater weight gain on TAF compared to older patients.
  • The study concludes that while switching to TAF does not generally lead to weight gain, using it alongside dolutegravir (DTG) may correlate with increased weight gain, especially in younger populations.
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  • A 51-year-old man admitted for visual field narrowing and papilledema was diagnosed with right transverse and sigmoid sinus thrombosis after undergoing brain MRI; he initially received intravenous heparin therapy.
  • His condition worsened on day 9 with a seizure and decreased platelet count, leading to suspicion of heparin-induced thrombocytopenia (HIT), despite negative immunological antibody tests.
  • Treatment switched from heparin to argatroban due to HIT diagnosis, followed by warfarin, and eventually to rivaroxaban to manage anticoagulation without complications.
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  • A Japanese patient with HIV-related Kaposi sarcoma presented with multiple skin lesions and significant swelling in both groin areas.
  • The patient underwent extensive treatment with pegylated liposomal doxorubicin (PLD) over 10 years, exceeding the standard lifetime dosage without experiencing serious side effects.
  • Ultimately, the patient passed away from pancreatic cancer rather than complications from the KS or the treatments received.
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Protein S (PS) gene (PROS1) is found on chromosome 3 (3q11.1). To date, the reported detection rate of causative gene mutations in patients suspected of PS deficiency is only approximately 50%.

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  • * A study at Tokyo Medical University Hospital analyzed data from 1,000 HIV-infected male patients, finding that 77.4% were tested for syphilis multiple times, with 61.3% reactive to syphilis tests.
  • * Among those who tested reactive, 12.9% were either newly diagnosed with syphilis or had repeated infections, indicating the need for regular STD screening as recommended by guidelines.
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Neisseria elongata, a normal resident in the human oral cavity, rarely causes invasive infections. We herein report a case of endocarditis caused by Neisseria elongata subsp. nitroreducens that occurred in a patient without any apparent cardiac complications.

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