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1.
Int J Clin Pharmacol Ther ; 60(12): 521-529, 2022 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-36331015

RESUMEN

BACKGROUND: A female patient aged 49 years with a rectal adenocarcinoma underwent tumor resection and multiple follow-up surgical operations whilst receiving compassionate therapy with polyvalent immunoglobulins derived from bovine colostrum (KMP01), a potential modulator of the pro-tumor inflammatory response. AIMS: Assessment of safety of the treatment, effect on tumor recurrence, and effect on parameters associated with the pro-tumor inflammatory response. MATERIALS AND METHODS: The dose of KMP01 varied from 72 g daily in the perioperative period to 12 - 24 g daily thereafter. The pro-tumor inflammatory response was measured using changes in C-reactive protein (CRP) and the lymphocyte-monocyte ratio (LMR). RESULTS: Surgical intervention caused large increases in CRP (up to 400 mg/L) and decreases in the LMR (below target levels of 2.83). However, such changes rapidly returned to normal, where they remained during prolonged treatment with immunoglobulins. Despite the generally poor prognosis associated with a stenotic tumor, cachexia, and multiple surgery, there was no tumor recurrence during the 3-year follow-up. The condition of the patient is good, albeit with a reduced quality of life due to the stoma. CONCLUSION: Polyvalent immunoglobulins constitute a potential and safe prophylactic agent against the pro-tumor inflammatory response. This is the first time that polyvalent immunoglobulins have been used in a colorectal carcinoma patient. The findings can be a basis for further investigations.


Asunto(s)
Carcinoma , Calidad de Vida , Humanos , Bovinos , Femenino , Animales , Recurrencia Local de Neoplasia , Inflamación/tratamiento farmacológico , Inmunoglobulinas , Pronóstico , Estudios Retrospectivos
2.
Int J Clin Pharmacol Ther ; 58(12): 678-686, 2020 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-33141018

RESUMEN

Although medication treatment in COVID-19 patients would have no direct effect on the spread of the disease, a shortening of the period of hospitalization by only a few days would release 25 - 30% of critical-care resources. However, there appears to be no well-established medication treatment available that can do this reliably at the present time. Anti-malarials currently being evaluated, i.e., chloroquine and hydroxychloroquine, are not yet established as effective medications, and antiviral agents, including remdesivir, are only weakly active. This position paper report is focused on the modulation of the cytokine storm since it appears to be a major cause of the multi-organ failure in COVID-19. Whereas corticosteroids are not recommended in patients not on mechanical ventilation, immunotherapy with convalescent plasma and intravenous immunoglobulin (IVIG) have been used with some success in COVID-19. There is emerging new evidence that polyvalent immunoglobulins (PVIG) from bovine colostrum given orally can also modulate the immune response. Research using lipopolysaccharide-stimulated peripheral blood mononuclear cells from colorectal cancer patients (a so called micro-cytokine storm) has shown that PVIG block the expression of pro-inflammatory cytokines and stimulate the expression of anti-inflammatory cytokines. We have been able to confirm these results in a similar model using mononuclear cells from healthy subjects and could demonstrate that the modulations produced by PVIG are quantitatively and qualitatively similar to those obtained using human immunoglobulin (IVIG). Both immunoglobulins reduce the lipopolysaccharide-induced increase in inflammatory cytokines, interleukin (IL-) 12/23p40 (-90%), IL-6 (-75%) and TNF-α (-60%) and increased the levels of the anti-inflammatory cytokine, IL-10 (+75%). Evidence is presented that PVIG can produce anti-inflammatory effects similar to these after oral application in patients. Its use is contraindicated in patients with lactose intolerance but is otherwise safe and free of complications in clinical studies including the treatment of infants with gastrointestinal disorders. Conclusion: PVIG appears to be a potential and safe anti-inflammatory agent and can be recommended as a candidate medication for studies in COVID-19 patients.


Asunto(s)
Infecciones por Coronavirus/terapia , Síndrome de Liberación de Citoquinas/terapia , Neumonía Viral/terapia , Animales , Betacoronavirus , COVID-19 , Bovinos , Células Cultivadas , Síndrome de Liberación de Citoquinas/virología , Citocinas , Humanos , Inmunización Pasiva , Inmunoglobulinas Intravenosas/uso terapéutico , Leucocitos Mononucleares , Pandemias , SARS-CoV-2 , Sueroterapia para COVID-19
3.
Int J Clin Pharmacol Ther ; 58(8): 417-425, 2020 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-32646540

RESUMEN

AIMS OF THE STUDY: Published data show that the current progression of the COVID-19 pandemic in Heidelberg, Germany, despite the current lockdown, could continue into 2021 and become more severe. We have used the modified Bateman SIZ algorithm to predict the effects of interventional measures to control the COVID-19 pandemic. MATERIALS AND METHODS: Model parameters, e.g., doubling time and rate of decrease in the number of infectious persons were obtained from published reports. Predictions were made for the status quo on June 1, 2020, and for interventional measures obtained for 4 scenarios. These included vaccination of the whole population using a SARS-CoV-2 vaccine having an efficacy of 50% and 100%, mass-testing for COVID-19 coronavirus and application of the Corona-Warn-App. RESULTS: The principle findings were 1) without new measures to control the pandemic, the daily number of infectious persons could reach a peak of > 4,500 daily within 18 months when > 67,000 persons would have been infected. This could be prevented by using a vaccine with 50% efficacy which was almost equally effective as a vaccine with 100% efficacy. Application of the Corona-Warn-App was the most effective method and more effective than testing for COVID-19. The methodology used has been described in detail to enable other researchers to apply the modified Bateman SIZ model to obtain predictions for COVID-19 outbreaks in other regions. Application of the model has been verified by independent investigators using different commercial software packages. CONCLUSION: The modified Bateman SIZ model has been verified and used to predict the course of the COVID-19 pandemic in Heidelberg. Lockdown measures alone are insufficient to control the pandemic during 2021. Vaccination, diagnostic tests, and use of the Corona-Warn-App with quarantine could successfully control the spread of the coronavirus infection in the community. The Corona-Warn-App applied correctly may be the most effective. The model showed that vaccination with 50% efficacy is almost as effective as vaccination with 100% efficacy.


Asunto(s)
Infecciones por Coronavirus/epidemiología , Modelos Estadísticos , Neumonía Viral/epidemiología , Algoritmos , Betacoronavirus , COVID-19 , Prueba de COVID-19 , Vacunas contra la COVID-19 , Técnicas de Laboratorio Clínico , Control de Enfermedades Transmisibles , Trazado de Contacto/instrumentación , Infecciones por Coronavirus/diagnóstico , Infecciones por Coronavirus/prevención & control , Alemania , Humanos , Tamizaje Masivo , Aplicaciones Móviles , Pandemias/prevención & control , Neumonía Viral/prevención & control , SARS-CoV-2 , Vacunación , Vacunas Virales
4.
Int J Clin Pharmacol Ther ; 56(12): 571, 2018 12.
Artículo en Inglés | MEDLINE | ID: mdl-30369397
5.
Int J Clin Pharmacol Ther ; 56(2): 53-55, 2018 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-29319494

RESUMEN

There is strong evidence that tumor progression in the postoperative period is attributable to the influx of lipopolysaccharides (LPS) into the blood from the gastrointestinal (GI) lumen. Although several research groups have emphasized the need to neutralize LPS antigens from the GI tract to prevent tumor progression and reduce the inflammatory response, a therapeutic option to achieve this has not been put forward hitherto. Enterally applied immunoglobulins (IgG) in the form of colostrum concentrates are able to neutralize LPS antigens from the GI tract and to reduce the inflammatory response during abdominal surgery. Thus, the perioperative oral application of IgG appears to be an interesting and safe therapeutic option during colon carcinoma resection. A treatment strategy suitable for routine use at low cost in such patients and based on polyvalent immunoglobulins containing IgG is described.
.


Asunto(s)
Colectomía/efectos adversos , Neoplasias del Colon/terapia , Microbioma Gastrointestinal/inmunología , Inmunoglobulinas/administración & dosificación , Inflamación/prevención & control , Administración Oral , Neoplasias del Colon/inmunología , Neoplasias del Colon/microbiología , Neoplasias del Colon/patología , Progresión de la Enfermedad , Esquema de Medicación , Humanos , Inflamación/inmunología , Inflamación/microbiología , Lipopolisacáridos/inmunología , Factores Protectores , Medición de Riesgo , Factores de Riesgo , Resultado del Tratamiento
6.
Int J Clin Pharmacol Ther ; 56(1): 24-27, 2018 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-29231165

RESUMEN

BACKGROUND: Sjogren's syndrome, involving sicca symptoms with xerostomia, stomatitis, and considerable pain is a difficult-to-treat autoimmune disease where the treatment options are limited and, as in the case of methotrexate, have a low therapeutic index. CASE REPORT: This case report concerns a male patient, aged 75 years and vegetarian, with Sjogren's syndrome subsequently confirmed by salivary gland biopsy. Serum antinuclear antibodies (ANA) were elevated (1 : 320). Low serum vitamin B12 and iron levels could be improved after 20 days using vitamin B12 and iron oral supplements. Despite symptomatic treatment, xerostomia, glossitis, and glossodynia were still present, at times marked, after 12 months when the ANA titer was unchanged. Following treatment with an anti-inflammatory polyvalent immunoglobulin formulation (Lactobin®N, 7 g daily), a bovine colostrum concentrate given orally in combination with oral vitamin D3 (2,000 IU daily), sicca symptoms and xerostomia progressively decreased and at day 750 were confined to occasional and minor glossitis of the upper lip. CONCLUSION: This case report demonstrates the satisfactory control of Sjogren's syndrome using oral polyvalent immunoglobulins with vitamin D3. In contrast to treatment options involving antimalarial drugs and methotrexate, there are no safety issues in patients tolerant to milk products.
.


Asunto(s)
Colecalciferol/administración & dosificación , Inmunoglobulinas/uso terapéutico , Síndrome de Sjögren/tratamiento farmacológico , Estomatitis/tratamiento farmacológico , Vitamina B 12/administración & dosificación , Anciano , Anticuerpos Antinucleares/sangre , Humanos , Masculino , Síndrome de Sjögren/inmunología , Estomatitis/inmunología , Vegetarianos
7.
Int J Clin Pharmacol Ther ; 54(7): 544-54, 2016 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-27285462

RESUMEN

BACKGROUND: Conotoxins in the venom of marine gastropods (genus Conus, family Conidae) have been incriminated in fatal human stingings. Conotoxins are peptides (conopeptides) which target specific classes of ion channels and block receptors involved in neuromuscular transmission. Some conopeptides also block receptors involved in neuropathic pain and one such peptide with an analgesic potency greater than that of morphine is marketed for clinical use. OBJECTIVES: To determine the effects of venom from seven species of Conidae, Conus arenatus, Conus coronatus, Conus ebraeus, Conus lividus, Conus miles, Conus rattus, and Conus textile, collected in the inter-tidal zone of the Indian Ocean, East Africa, on the chick biventer-cervicis nervemuscle preparation and to assess the effects using data on conopeptide content in venom of the species examined reported in the literature and the ConoServer database. RESULTS: Only venom extracts from C. arenatus and C. textile, blocked twitch responses and produced depolarization and contracture of slow fibers of the stimulated chick nerve-muscle preparation. This is the first study showing that venom from C. arenatus is a potent inhibitor of neuromuscular transmission. However, in the case of C. textile, a species associated with fatal human stingings, the inhibitor activity was ~ 3-fold greater. These results are consistent with the occurrence of specific α-conopeptides, namely α-4/6-CtxTxID in C. textile and α-CtxArIB in C. arenatus targeting acetylcholine receptors at the neuromuscular junction. Information extractable from the ConoServer database was of limited value for evaluation of our findings since all the species examined contain numerous conopeptides, the majority of which have not been characterized pharmacologically or for which even the gene superfamily is unknown. Venom from C. textile, C. arenatus, C. coronatus, C. ebraeus, and C. rattus produced an initial facilitation of the twitch response similar to that produced by neostigmine. Venom from C. lividus and C. miles had no effect on twitch responses and did not depolarize slow fibers even at high concentrations. CONCLUSIONS: Using the chick biventer-cervicis nerve-muscle preparation, which contains both twitch and slow muscle fibers, a neuromuscular blocking and muscle depolarizing action could be demonstrated in venom extracts from C. textile, a Conus species associated with fatal human stingings, and C. arenatus. The results are consistent with the known presence of specific α-conopeptides in these species targeting nAChRs. Venom from C. coronatus, C. ebraeus, C. rattus, C. lividus, and C. miles, although purported to contained numerous conopeptides belonging to a variety of pharmacological classes, were either inactive on the preparation or caused only a minor potentiation of the twitch response. Although the ConoServer database provides valuable global data on conopeptide structure, occurrence and properties, it lacks specific information on receptor targets and affinities.


Asunto(s)
Conotoxinas/toxicidad , Caracol Conus/metabolismo , Músculo Esquelético/inervación , Bloqueantes Neuromusculares/toxicidad , Unión Neuromuscular/efectos de los fármacos , Péptidos/toxicidad , Animales , Pollos , Conotoxinas/metabolismo , Caracol Conus/clasificación , Bases de Datos de Proteínas , Unión Neuromuscular/metabolismo , Unión Neuromuscular/fisiopatología , Péptidos/metabolismo , Receptores Nicotínicos/efectos de los fármacos , Receptores Nicotínicos/metabolismo , Transmisión Sináptica/efectos de los fármacos
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