Gene/Protein Disease Symptom Drug Enzyme Compound
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JM216 is an orally administered platinum analogue. We undertook this study to determine the maximally tolerated dose (MTD) of JM216 when administered with concomitant radiotherapy to the chest (200 cGy daily, 5 x/week) in patients with locoregionally advanced non-small cell lung (NSCLC) or esophageal cancer. Patients were excluded for inadequate bone marrow reserve, prior radiotherapy to the primary tumor or previous treatment with platinum drugs. A dose-limiting toxicity (DLT) was defined using the National Cancer Institute (NCI) Common Toxicity Criteria (CTC) and consisted of grade > or = 2 renal, hepatic, cardiac, or pulmonary toxicity or grade > or = 3 hematologic, neurological, or gastrointestinal toxicity. A total of 23 patients were registered; two never received treatment and are excluded from analyses. Six patients were treated at a dose of 30 mg/m2/day for 5 days with two grade 2 DLT's: cough (1 pt) and elevated trans-aminases (1 pt). Seven evaluable patients were treated at 60 mg/m2/day and seven experienced grade 3 or 4 toxicity, five related to myelosuppression. The dose was then reduced to 45 mg/m2/d. Eight patients were evaluable for toxicity, of which 5 experienced DLT: myelosuppression (3 pts), esophagitis (2 pts), dyspnea (1 pt), and elevated creatinine (1 pt). Fourteen patients were evaluable for efficacy, of which 6 had an objective response, including one complete response. The recommended phase II dose of JM216 with concurrent radiation therapy is 30 mg/m2/d for 5 days. The major DLT is myelosuppression with only limited increased toxicity within the field of radiation. This conceivably may limit the use of JM216 as a radiation sensitizer.
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PMID:A phase I trial of the oral platinum analogue JM216 with concomitant radiotherapy in advanced malignancies of the chest. 1156 89

The patient, a 78-year-old Asian male, was brought to the hospital because of acute shortness of breath that had progressively worsened over the course of the day. He complained of a nonproductive cough and claudication after walking 1 block. His past medical history was significant for mild renal insufficiency (serum creatinine 1.5--2.0 mg/dl), the etiology of which was never explored. Although there was a recent history of mild to moderate hypertension, at presentation his blood pressure was noted to be 240/118 mm Hg in both arms. His physical exam at the time of admission was remarkable for grade II hypertensive retinopathy, an S4 gallop, periumbilical systolic bruits, audible femoral arterial bruits and absent distal lower extremity pulses. Initial complete blood count, serum electrolytes and cardiac enzymes (including lactate dehydrogenase) were normal. His blood urea nitrogen and serum creatinine concentrations were 51 and 3.6 mg/dl, respectively, and his urinalysis showed 1+ protein (both by dipstick and sulfasalicylic acid) with a "benign" sediment (0--1 WBC/HPE, 1--2 RBCs/HPF) with occasional granular casts. His electrocardiogram, apart from demonstrating left ventricular hypertrophy with secondary ST-T wave abnormalities, showed no acute changes; his chest X-ray demonstrated cardiomegaly and pulmonary vascular congestion. He was intubated and subsequently treated with increasing parenteral doses of furosemide (40--240 mg) and a nitroglycerine drip (up to 15 mcg/min). Over the course of the first 48 h, his blood pressure was gradually lowered to 170/100 mm Hg. His urine output increased from 20 ml/h to 125/ml/h, and his respiratory status improved, allowing him to be extubated. In spite of adequate control of his blood pressure in the ensuing days (150--170/80--90 mm Hg), his renal function continued to deteriorate. Renal sonography (without Doppler) demonstrated a right kidney of 9.6 cm and a left kidney of 9.3 cm in length without evidence of hydronephrosis. Both kidneys were noted to be echogenic. Assays for antinuclear antibodies and antineutrophilic cytoplasmic antibodies were negative, and the patient's serum complement levels were normal. For several days after his admission, his serum creatinine gradually rose to 10.7 mg/dl, and hemodialysis was initiated for uremic encephalopathy. Because of the high index of suspicion for renal artery stenosis as the case of both his hypertension and renal failure, a renal angiogram was performed. It revealed a 90% occlusion of the right renal artery with ostial involvement and a 70% occlusion of the left renal artery; both kidneys had poor distal renal vasculature and there was marked atherosclerotic disease of the aorta. After being hemodialyzed for 3 treatments, his renal function began to improve spontaneously. His serum creatinine returned to 3.4 mg/dl, and a subsequent 24-hour urine demonstrated a creatinine clearance of 20 ml/min and an excretion of 1.2 g of protein. Following his discharge from the hospital, his renal function remained unchanged for 3 years, and his blood pressure was easily controlled on monotherapy with a long-acting calcium channel blocker. He recently died from pneumonia.
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PMID:Atherosclerotic Renovascular Disease. 1186 67

Forty-five adults undergoing thoracotomy were randomized to receive placebo, tenoxicam 20 mg or tenoxicam 40 mg IV during chest wall closure. All patients received intraoperative fentanyl and intercostal blocks followed by morphine by patient-controlled analgesia. Patient numbers 13 to 45 also received thoracic epidural analgesia by continuous infusion of bupivacaine 0.125%, patient numbers 25 to 45 having fentanyl 2 microg/ml added to the epidural infusion. Efficacy parameters and adverse reactions were assessed over the first 24 hours postoperatively. On a 100 mm visual analogue scale, mean (SD) pain at rest (adjusted area under curve for hours 1 to 24) was 25.8 (12.5), 17.4 (14.8) and 16.5 (13.3) mm for groups receiving placebo, 20 mg and 40 mg tenoxicam, respectively (ANOVA: P<0.05). There were no significant differences between study groups postoperatively in pain on coughing, opioid consumption, blood gas measurements, nausea, vomiting, sedation, blood loss, haemoglobin or serum creatinine. One patient in each tenoxicam group reported epigastric pain, rated moderate. These data support the inclusion of tenoxicam 20 mg IV in the management of pain at rest for patients undergoing thoracotomy, but do not show additional benefit for a higher dose.
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PMID:Tenoxicam 20 mg or 40 mg after thoracotomy: a prospective, randomized, double-blind, placebo-controlled study. 1200 22

A 77-year-old man was in good health until he complained of fatigue 3 weeks before presentation. Two weeks before admission, he developed gradually worsening shortness of breath. One week before admission, he developed a cough that initially was nonproductive but later was associated with hemoptysis.His past medical history was remarkable for a history of colon cancer (Dukes' stage III), for which he underwent a hemicolectomy and treatment with adjuvant chemotherapy in 1993. He had a myocardial infarction in 1986 and underwent coronary artery bypass surgery in 1999. He also had a history of hypertension, type 2 diabetes, and gout. He smoked in the past but had stopped more than 30 years ago.He was initially evaluated by his primary care physician, who noted that he complained of diaphoresis but denied fevers, chills, or contact with others who were ill. His physical examination was remarkable for bilateral crackles that were more pronounced on the right. A chest radiograph demonstrated bilateral pulmonary infiltrates (Figure 1). He was treated with amoxicillin. The next day, however, his physician noted that his dyspnea had worsened and that his oxygen saturation on room air was poor. He was therefore admitted for further evaluation. The amoxicillin was discontinued, and he was treated with levofloxacin, followed by ceftriaxone and azithromycin as his pulmonary status continued to deteriorate. He received intravenous diuretic agents, which failed to improve his respiratory status. During the initial phase of hospitalization, he was anemic, with a hematocrit of 21.3%. His serum creatinine level, which had been 1.0 mg/dL in 1999, was now 2.5 mg/dL. Urinalysis was remarkable for the presence of numerous red blood cells. His oxygen requirement increased, and he eventually required a 100% nonrebreather mask. A computed tomographic scan of the chest demonstrated prominent alveolar opacities throughout the right upper, middle, and lower lobes, with similar opacities in the left upper and left lower lobes (Figure 2). An echocardiogram showed an ejection fraction of 50%, as well as mild mitral regurgitation. Serologies were remarkable for an antinuclear antibody titer of 1:320 and a P-antineutrophil cytoplasmic antibody (P-ANCA) titer of greater than 1:320. C-ANCA was negative. Anti-glomerular basement membrane and anti-human immunodeficiency virus antibodies were undetectable.
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PMID:Cases from the medical grand rounds of the Osler Medical Service at Johns Hopkins University. 1207 15

Interstitial pneumonitis is a severe complication of juvenile dermatomyositis. We report a 4-year-old girl with juvenile dermatomyositis. Coughing, shortness of breath, and general malaise developed during steroid treatment. The histology of her lung biopsy is compatible with interstitial pneumonitis. Aggressive treatment including intravenous methylprednisolone pulse therapy, intravenous immunoglobulin, and oral cyclosporin all failed. Creatinine phosphokinase level was within the normal range during the disease course. The clinical features are discussed and the importance of a differential diagnosis of interstitial pneumonitis in patients with juvenile dermatomyositis is emphasized.
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PMID:Steroid refractory interstitial pneumonitis in a patient with juvenile dermatomyositis. 1254 53

Although several lines of recent studies fail to demonstrate the beneficial action of calcium antagonists, a novel dihydropyridine efonidipine, which possesses dilatory action of both afferent and efferent arterioles and, therefore, shares the renal microvascular action with angiotensin converting enzyme (ACE) inhibitors, is reported to exhibit renal protection in experimental animals. The present study evaluated the effect of efonidipine and ACE inhibitors on blood pressure (BP) and proteinuria. Sixty-eight hypertensive patients with renal impairment (serum creatinine, >1.5 mg/dL) or chronic renal parenchymal disease were randomly assigned to efonidipine or ACE inhibitor treatment. Of the 68 patients, 23 were treated with efonidipine and 20 with ACE inhibitors; these patients were analyzed for the 48-week study. Both efonidipine and ACE inhibitors produced a similar degree of reductions in BP (efonidipine, from 161 +/- 2/93 +/- 2 to 142 +/- 5/82 +/- 2 mm Hg; ACE inhibitor, from 163 +/- 3/95 +/- 2 to 141 +/- 5/83 +/- 2 mm Hg), and maintained creatinine clearance for 48 weeks. Proteinuria tended to decrease in both groups, and a significant reduction was observed in proteinuric patients (>1 g/day) (efonidipine, from 2.7 +/- 0.3 to 2.1 +/- 0.3 g/day; ACE inhibitor, from 3.0 +/- 0.4 to 2.0 +/- 0.5 g/day). Of interest, efonidipine decreased proteinuria in proteinuric patients who failed to manifest decreases in systemic BP. Finally, the incidence of adverse effects, including hyperkalemia and cough, was less in the efonidipine-treated group. Both efonidipine and ACE inhibitors preserved renal function in hypertensive patients with renal impairment. The antiproteinuric effect was apparent in patients with greater proteinuria. The beneficial action of efonidipine, along with fewer side effects, may favor the use of this agent in the treatment of hypertension with renal impairment.
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PMID:Effect of efonidipine and ACE inhibitors on proteinuria in human hypertension with renal impairment. 1255 77

Community-acquired pneumonia (CAP) in the elderly has increased as a consequence of an overall increase of the elderly population. A controversy about the aetiology and outcome of CAP in this population still exists and more epidemiological studies are needed. A prospective, 12-month, multicentre study was carried out to assess the clinical characteristics, aetiology, evolution and prognostic factors of elderly patients (> or = 65 yrs) admitted to hospital for CAP. The study included 503 patients (age 76 +/- 7 yrs). The clinical picture lasted < or = 5 days in 318 (63%) and the main clinical features were cough (n = 407, 81%) and fever (n = 380, 76%). Aetiological diagnosis was achieved in 199 (40%) cases, with a definite diagnosis obtained in 164 (33%). Of the 223 microorganisms isolated the main agents found were Streptococcus pneumoniae in 98 (49%) and Haemophilus influenzae in 27 (14%). A total of 53 patients died (11%) and the multivariate analysis showed the following factors of bad prognosis: previous bed confinement, alteration in mental status, absence of chills, plasma creatinine > or = 1.4 mg x dL(-1), oxygen tension in arterial blood/inspiratorv oxygen fraction ratio < 200 at the time of admission, and shock and renal failure during the evolution. The results of this study may aid in the management of empiric antibiotic treatment in elderly patients with community-acquired pneumonia and the patients who have a greater probability of bad evolution may be identified based on the risk factors.
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PMID:Community-acquired pneumonia in the elderly: Spanish multicentre study. 1260 44

A 56-year-old black woman with diabetes mellitus was admitted for hypoglycemia and confusion. Her past medical history included breast cancer, for which she had undergone a left lumpectomy and then mastectomy for in-breast recurrence. Her oral intake had decreased during the past month because of increasing discomfort from left-sided chest pain. During this period, she continued to take pioglitazone for diabetes at her originally prescribed dose. The patient's mental status improved quickly after taking orange juice and intravenous glucose, but the chest pain persisted. The pain, which was described as an ache along the left costal margin, increased with palpation, deep inspiration, or coughing. She had recently presented with similar complaints at another hospital where she had been prescribed a muscle relaxant that provided no relief from the pain. She also reported a 14-lb weight loss during the previous 3 months, as well as fatigue, weakness, and aches in her legs and arms. She denied fevers, chills, sweats, abdominal pain, nausea, or recent trauma. Laboratory values at the time of admission were: calcium, 11.8 mg/dL; total protein, 11.1 mg/dL; albumin, 3.2 g/dL; creatinine, 1.0 mg/dL; and hematocrit, 29.3%, with a mean corpuscular volume of 89.3. Chest radiography revealed a lytic lesion in the left lateral fourth rib and left humerus (). Serum and urine protein electrophoresis revealed a monoclonal spike in the gamma region consistent with monoclonal gammopathy. The serum spike was quantified at 3.78 g/dL. A skeletal survey showed many small well-defined lytic lesions in the skull (with one 1.5-cm lytic lesion in the upper posterior parietal bone), arms, and legs. A bone scan showed multiple foci of increased uptake in the right and left ribs as well as the proximal portion of the left femur. The peripheral blood smear revealed rouleaux formation () and plasma cells (). What is the diagnosis?
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PMID:Cases from the Osler medical service at Johns Hopkins University. 1275 89

Acute human immunodeficiency virus (HIV) seroconversion illness is a difficult diagnosis to make because of its nonspecific and protean manifestations. We present such a case in an adolescent. A 15-year-old boy presented with a 5-day history of fever, sore throat, vomiting, and diarrhea. The patient also reported a nonproductive cough, coryza, and fatigue. The patient's only risk factor for HIV infection was a history of unprotected intercourse with 5 girls. Physical examination was significant for fever, exudative tonsillopharyngitis, shotty cervical lymphadenopathy, and palpable purpura on both feet. Laboratory studies demonstrated lymphopenia and mild thrombocytopenia. Hemoglobin, serum creatinine, and urinalysis were normal. The following day, the patient remained febrile. Physical examination revealed oral ulcerations, conjunctivitis, and erythematous papules on the thorax; the purpura was unchanged. Serologies for hepatitis B, syphilis, HIV, and Epstein-Barr virus were negative. Bacterial cultures of blood and stool and viral cultures of throat and conjunctiva showed no pathogens. Coagulation profile and liver enzymes were normal. Within 1 week, all symptoms had resolved. The platelet count normalized. Repeat HIV serology was positive, as was HIV DNA polymerase chain reaction. Subsequent HIV viral load was 350 000, and the CD4 lymphocyte count was 351/mm3. HIV is the seventh leading cause of death among people aged 15 to 24 in the United States, and up to half of all new infections occur in adolescents. Our patient presented with many of the typical signs and symptoms of acute HIV infection: fever, fatigue, rash, pharyngitis, lymphadenopathy, oral ulcers, emesis, and diarrhea. Other symptoms commonly reported include headache, myalgias, arthralgias, aseptic meningitis, peripheral neuropathy, thrush, weight loss, night sweats, and genital ulcers. Common seroconversion laboratory findings include leukopenia, thrombocytopenia, and elevated transaminases. The suspicion of acute HIV illness should prompt virologic and serologic analysis. Initial serology is usually negative. Diagnosis therefore depends on direct detection of the virus, by assay of viral load (HIV RNA), DNA polymerase chain reaction, or p24 antigen. Both false-positive and false-negative results for these tests have been reported, further complicating early diagnosis. Pediatricians should play an active role in identifying HIV-infected patients. Our case, the first report of acute HIV illness in an adolescent, emphasizes that clinicians should consider acute HIV seroconversion in the appropriate setting. Recognition of acute HIV syndrome is especially important for improving prognosis and limiting transmission. It is imperative that we maintain a high index of suspicion as primary care physicians for adolescents who present with a viral syndrome and appropriate risk factors.
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PMID:Acute human immunodeficiency virus syndrome in an adolescent. 1452 19

A 33 years old woman was admitted to the hospital after four days with cough, dyspnea, orthopnea and hemoptysis. Blood pressure was 170/90 mmHg, pulse was 112 and temperature was normal. She had cyanosis and a left ventricular gallop, without heart murmurs. A chest radiograph revealed pulmonary edema and echocardiogram showed a global left ventricular systolic disfunction. Oxygen and furosemide were started, but cardiopulmonary collapse ensued. The patient was supported with mechanical ventilation and treated with inotropic drugs. A right sided cardiac catheterization showed pulmonary wedge pressure of 18 mmHg and a cardiac index of 3 l/min/m2. The levels of creatinine and urea nitrogen were elevated and a urine protein was 97 mg/dl. Coagulation tests were normal except by a positive lupic anticoagulant. Markers of connective tissue diseases or vasculitis were negatives. The clinical evolution suggested that a catastrophic antiphospholipid syndrome was ongoing. Intravenous corticoids, gammaglobulin and cyclophosphamide were administered with transient improvement. On her fourth day of treatment, the patient presented sudden pulmonary bleeding and embolism. A plasmapheresis was performed with improvement of renal, cardiac and pulmonary function. After this episode, the patient has been treated with prednisone and oral anticoagulants treatment for the last two years, without further clinical events.
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PMID:[Catastrophic antiphospholipid syndrome and acute heart failure. Report of a case]. 1463 91


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