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 23,468 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

It is proposed that the new American and European AIDS epidemics are caused by recreational and anti-HIV drugs rather than by human immunodeficiency virus (HIV). Chronologically, the AIDS epidemic in the 1980s followed a massive escalation in the consumption of recreational drugs that started in the 1960s and 70s. Epidemiologically, both epidemics derive about 80% of their victims from the same groups of 20-44 year-olds, of which 90% are males. In America 32% of these are intravenous drug users and their children, about 60% are male homosexuals who are long-term users of oral aphrodisiac drugs and an unknown percentage are prescribed the cytotoxic DNA chain terminator AZT, as inhibitor of HIV. Direct evidence indicates that these drugs are necessary for HIV-positives and sufficient for HIV-negatives to develop AIDS diseases. The drug-AIDS hypothesis predicts correctly that: (i) AIDS is new in the US, because the drug epidemic is new, while the HIV epidemic is old--fixed at a constant 1 million Americans since 1985; (ii) despite an increase in venereal diseases, AIDS remains restricted to long-term drug users and small groups with clinical deficiencies; (iii) over 72% of AIDS occurs in 20-44 year-old males, because they make up over 80% of hard psychoactive drug use; (iv) distinct AIDS diseases correlate with the use of distinct drugs, eg Kaposi's sarcoma with nitrite inhalants, tuberculosis with intravenous drugs, and leukopenia, anemia, and nausea with AZT; (v) AIDS diseases are only acquired after long-term drug consumption, rather than after single contacts as the virus-hypothesis predicts. The drug hypothesis can be tested epidemiologically and experimentally in animals. It predicts that most AIDS can be prevented by stopping the consumption of drugs, and provides a rational basis for therapy.
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PMID:The role of drugs in the origin of AIDS. 142 Oct 32

After informed consent 21 patients with advanced head and neck cancer resistant to folinic acid/5-fluorouracil (FA/5FU + cisplatin) were treated with weekly FA/5FU plus low dose hydroxyurea (HU) to evaluate if HU could further modulate 5FU antineoplastic activity. Five patients achieved a partial response (23.8%) which was short-lived (mean duration 6.5 months). Three patients (14%) had stable disease and 13 (62%) progressed. Among responders, four patients had epidermoidal carcinoma and one had clear cell carcinoma. Treatment was well tolerated and 5FU-related toxicity was not apparently worsened by the addition of HU. The most frequent toxicities were nausea/vomiting (81%), diarrhea (52%) and leukopenia (57%). Grade 3 nausea/vomiting and leukopenia were recorded in only 19 and 9% of cases, respectively. One patient had grade 1 cutaneous toxicity and a second patient showed a hand-foot syndrome. These results suggest that HU may further positively modulate 5FU antineoplastic activity.
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PMID:Hydroxyurea modulates 5-fluorouracil antineoplastic activity in advanced head and neck carcinoma pretreated with chemotherapy. 142 29

A phase I study of NK 622 (toremifene citrate), a novel antiestrogen, was conducted in female patients with cancer. Patients received a single oral dosing or daily once oral dosing for five consecutive days. Any adverse effects were not experienced in the single dosing of 40 or 60 mg of NK 622. In the daily administration of 10, 20, 40, 60, 120, 240 and 480 mg/day, one of three patients who received 20 mg/day experienced grade 1 anorexia, three of four patients received 240 mg/day experienced adverse effects: Grade 1 leukopenia in one patient, Grade 1 general hot flush in one patient, and Grade 1 nausea, hot flush in the face and vertigo, Grade 2 anorexia, fatigue, dull headache and general hot flush in another one patient. These symptoms recovered to normal levels after treatment. Serum hormone levels were examined in postmenopausal patients, and a significant increase of the sex hormone binding globulin level was observed in the patients received 120 and 240 mg/day doses. Serum levels of NK 622 determined as free base (TOR) reached the peak levels in 2 to 4 hours after administration on the 1st and 5th day in daily treatment, while a metabolite N-demethyltoremifene (TOR-1) reached the peak level in 4 to 170 hours. Maximum serum levels and area under the concentration versus time curves of TOR and TOR-1 increased dose-dependently. These values also increased by repetition of the treatment. Half-lives of TOR and TOR-1 in serum ranged in 74.5 to 148.9 hours and 154.1 to 653.1 hours, respectively. From these results, it was concluded that safety and efficacy of NK 622 should be assessed by using 240 mg or less doses in clinical phase II studies where breast cancer patients received long term treatment with NK 622.
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PMID:[Phase I study of NK 622 (toremifene citrate)]. 146 43

Seventeen patients with recurrent or refractory non-Hodgkin's lymphoma were treated with EMVP (Etoposide 75 mg/m2 i.v. d 1-5, Methotrexate 100mg/m2 i.v. d 1, Vindesine 3 mg/body i.v. d 1, Prednisolone 60 mg/m2 p.o. d 1-5), repeating every 3 weeks. Six complete responses (35%) and five partial responses (30%) were obtained with an overall response rate of 65%. The median duration of response was 26 months (range 8-49+months) for complete response (CR) and 4 months (range 2-6 months) for partial response (PR). The median duration of survival was 31 months for CR, 11 months for PR and 10 months for all patients, respectively. The major toxic effect was myelosuppression. Leukopenia less than 1,000/mm3 and thrombocytopenia less than 25,000/mm3 occurred in 5 and 3 patients, respectively. The other toxicities were alopecia, nausea and mucositis. However, these toxicities were well tolerated and clinically manageable. These results suggested that EMVP therapy was an effective regimen for patients with recurrent or refractory lymphoma.
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PMID:[Salvage therapy for recurrent or refractory non-Hodgkin's lymphoma with etoposide, methotrexate, vindesine and prednisolone (EMVP)]. 146 45

A total of 25 patients with metastatic renal cancer were treated on a phase II protocol with 5 days of continuous-infusion fluorodeoxyuridine (FUDR), (0.1 mg/kg daily) together with high-dose oral leucovorin (100 mg 4 h) and daily x6 high-dose interferon-alpha 2b (30 x 10(6) IU/m2). Despite the good performance status of the patients and the inclusion of 14 previously untreated patients in the cohort, no response was observed among the 20 evaluable patients. Toxicities included high fever, moderate anemia, transient leukopenia, transient and mild elevations of transaminases, and moderate to severe nausea, vomiting, diarrhea, and mucositis. There were also two episodes each of confusion, fluid retention, and pancreatitis and one episode of increased creatinine levels. During the study three deaths occurred, two of which were possibly therapy-related. Despite previous reports of activity of FUDR in metastatic renal cancer, the present regimen cannot be recommended.
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PMID:Continuous-infusion fluorodeoxyuridine with leucovorin and high-dose interferon: a phase II study in metastatic renal-cell cancer. 146 58

The activity of amonafide, a benzisoquinoline-1,3-dione, was assessed in 15 patients with advanced or recurrent sarcoma (11 previously treated). Eligible patients had ECOG performance status 0-2, and acceptable renal, hepatic and bone marrow function. Amonafide 300 mg/m2 was given intravenously over one hour daily on five consecutive days, every 3 weeks. Leukopenia and granulocytopenia were the most common and severe toxicities (grade 3 or 4 toxicity in 20% and 27% of patients, respectively). Local irritation and nausea/vomiting, the most common nonhematologic toxicities, were generally mild. No objective responses were seen, though 2 patients had brief stabilization of disease. Amonafide at this dose and schedule has no activity against advanced, recurrent sarcoma.
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PMID:Phase II study of amonafide in advanced and recurrent sarcoma patients. 150 Feb 72

The toxicity and hematologic effects of Escherichia coli-derived recombinant human granulocyte-macrophage colony-stimulating factor (rhGM-CSF) were studied in 58 treatment cycles in Japanese patients with advanced malignancy as a phase I/II clinical trial. rhGM-CSF in doses from 30 to 250 micrograms/m2/day was administered by 24-hour continuous intravenous infusion, 8-hour intravenous, or a daily subcutaneous injection for 14 days. The most common adverse drug events (ADE) were fever, nausea/vomiting, diarrhea, skin eruption, and phlebitis. The frequency of moderate and severe ADE was 2.9, 14.7, 35.3 and 47.1% at 30, 60, 125, 250 micrograms/m2/day, respectively. In terms of administration routes, the frequency of ADE was 69% with 24-hour continuous intravenous infusion, 39.1% with 8-hour intravenous infusion and 16.7% with subcutaneous injection. Regarding the hematologic effects of rhGM-CSF, leukopenia improved in a dose-dependent manner. The appropriate dose level to be used in the phase II study was estimated to be in the range between 60 and 250 micrograms/m2/day.
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PMID:Phase I/II study of recombinant human granulocyte-macrophage colony-stimulating factor in patients with advanced malignancy. The Multicenter Study Group. 158 68

Thirty-three patients with primary bladder cancer (nine stage T1 with multifocal tumors and 24 stage T2-4) were treated with intraarterial infusion chemotherapy including cisplatin, doxorubicin, and [Sar1,Ile8]Angiotensin II(AT II). Of the 32 evaluable patients, 12 had pathologically proven complete response (CR), 19 showed partial response (PR), and one showed no change (NC); the overall response rate (CR + PR) was 97%. The blood pressure increased in response to the administration of [Sar1,Ile8]AT II in all the patients; the mean increase in the systolic blood pressure was 36 mmHg. Most of the side effects were mild to moderate in severity, transient in nature, and included nausea/vomiting (100%), alopecia (84%), leukopenia (66%), headache (9%), nephrotoxicity (6%), diarrhea (3%), skin pigmentation (3%), and neurotoxicity (3%). One patient who dropped out of the study developed hemiplegia as a result of cerebral infarction. The findings indicate that it is necessary to exercise caution in selecting the patients to be subjected to this therapy. We conclude that intraarterial infusion chemotherapy combined with a vasoconstrictor has a significant effect not only against multifocal superficial bladder cancer but also against invasive bladder cancer.
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PMID:Intraarterial infusion chemotherapy with [Sar1,Ile8]angiotensin II for bladder cancer. 159 Feb 70

A group of 60 patients with advanced head/neck cancer were treated with high-dose folinic acid (500 mg/m-2/week-1) plus 5-fluorouracil (400 mg/m-2/week-1 on day 1, and cisplatin (20 mg/m-2/week-1) 24 h after folinic acid infusion was completed. Out of 55 evaluable patients, 10 patients (18%) experienced a complete response with a mean duration of 11.4+ months, 25 patients had a partial response (45%) of 6.7+ months, 6 patients (11%) showed a stabilization of 4.8+ months, and 14 (25%) progressed. The overall response rate was 63.6% (95% confidence limits 56.5%-69.5%). Patients pretreated with radiotherapy had a 67% overall response rate, while those pretreated with chemotherapy showed a 54% overall response rate. All patients with cancer of the oropharynx had a major response, while patients with cancer of the oral cavity had the lowest response rate. The mean survival of patients who attained a complete response was 14.5+ months. Partial responders had a mean survival of 10.6+ months, while patients who progresses survived a mean of 3.6+ months. The treatment has been very well tolerated with few cases of grade 3 gastrointestinal toxicity. Grade 1-2 leukopenia was recorded in 64% of cases, grade 1-2 nausea/vomiting in 85%. In one case therapy was stopped because of persistent diarrhoea.
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PMID:High-dose folinic acid and 5-fluorouracil plus cisplatin on a weekly schedule in the treatment of advanced cancer of the head and neck. 161 94

A multi-institutional phase II study of DWA2114R was conducted in breast cancer. DWA2114R at doses of 800-1,000 mg/m2 was administered by 1-hour intravenous infusion every 3-4 weeks on minimal two cycles. Fifty-two patients entered the study; 34 were eligible, 7 ineligible. Eleven patients were dropped from evaluation due to incomplete observations. There were 1CR, 6PR, 1MR, 12 NC, and 14 PD with an overall response rate of 20.6%. A median duration of responses was 11 weeks. Leukopenia and nausea/vomiting were frequently observed but well tolerated and recovery was quick. It is concluded that DWA2114R is a useful drug in the treatment of breast cancer.
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PMID:[A phase II study of DWA2114R, a new platinum complex for breast cancer]. 162 39


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