Glioblastoma

Within the studies here, there are a few examples of patients reported with no evidence of disease at the time of publication. Indicating that natural compounds can, for some, radically improve the results of their oncology treatments by helping the drugs effectiveness, but also by reducing side effects that impact oncology.

Chlorogenic acid, easily available from green coffee supplements, is moving towards chinese FDA approval for GBM. Phase I trials have shown quite striking benefits used as a injectable form of chlorogenic acid, but absorption from supplements is high. Chlorogenic acid has clear evidence in lab models for suppressing M2 macrophages-  large immune cells – seen to be used by cancer tumors in treatment evasion, increasing growth and even metastasis. Most patient responses were in the lower dose ranges here, probably attainable with premium grade supplements. The mechanisms include immune system modulation, moving from inflammatory to anti-inflammatory state.

Functional foods derived from eggs or oats increase so called anti-secretory factor can reduce the internal fluid pressure in tumors. This pressure fuels GBM growth and metastasis, and is especially a problem in drug resistance with the physical barrier it presents. A pilot in sweden trial recently showed some fascinating outcomes in a small patient group, with half those able to compete the treatment seeing over two years response. The researchers particulary highlight one patient remaining in remission at the trial close. Studies are being extended in GBM and several other cancers. Also food related, ketogenic diets are showing some fascinating results in particular for glioblastoma (see Lifestyle)

In late stage patients that included GBM, moderate to high dose melatonin has shown some remarkable effects, inducing periods of stable disease for some patients. In other cancers up to 1000mg has been safely given, and more trials are called for by these research teams. Also emerging in studies is the supporting use of niacin or nicotinamide during oncology. Pre-clinical evidence clearly showed a striking ability to activate the immune system activity in tumors, and controlled release versions of this common vitamin B3 varient are already in phase I trials. Similar progress with high dose intravenous vitamin C have already been published, and showed remarkable sustained responses in a subgroup of patients lacking so called MGMT promoter methylation markers.

As well as using glucose (glycolysis), GBM is known to upregulate fatty acid metabolism including raised L-carnitine levels. This increases treatment resistance, leading to sharply increased progression rates in some patients. In anti-aging science, urolithin A supplements are reported re-regulating fatty acid uptake. And it can also pass the blood-brain barrier, there are researchers calling for trials in GBM.  Another even more established mechanism by which GBM tumors fuel growth is upregulation of so called unfolded protein response. Some fascinating new research shows how inhibiting enzymes involved with this process can stop disease progress in mouse models. Quercetin, perhaps aided by tocotrienols to cross the blood brain barrier (vitamin E), may have inhibiting activity of these enzymes.

Inflammation related iron deficiency is a feature of cancer progression. At the same time, upregulated iron stored as ferritin increases progression rates. Pre-biotic milk protein lactoferrin binds iron in the gut, increasing its absorption. By regulating iron balance, homeostasis, its action may counter some of the dysfunctional iron metabolism. Elevated neutrophil-to-lymphocyte ratios, including a rise during treatment, increase risk levels. Immune balancing effects of astragalus have been reported in advanced lung cancer as improving NLR. Other inflammatory activity measured by c-reactive protein and fibrinogen levels are also reported risk factors that may be countered by curcumin, aged black garlic and more.

The so called Th1/Th2 immune system balance is strongly linked to the progression and to treatment resistance. Molecular iodine solutions are emerging in this area in breast cancer management and seen boosting Th1 anti tumor activity and helping suppress over active Th2 used in resistance. This has improved results in surgery plus chemotherapy and this form of iodine can pass the blood brain barrier. Itmay support increased response immunotherapy which a small group of GBM treatment plans might include (see Supplement Library). For immunotherapy the presence of high sodium levels is now identfied as a key marker for success in other cancers. Also in other cancers, AM treatment programs are substantially more effective that PM/evening sessions

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Green Coffee Extract is high in chlorogenic acid and other cancer fighting natural compounds

  • Almost 2X increased survival in stage IV GBM and 2 patients of 23 beyond 5 years
  • Half of patients saw over 20 months, a quarter over 30 months
  • Doses are within reach for high quality supplements for their safety testing

Twenty-three patients were analyzed for their response to CGA [chlorogenic acid]. The disease control rate [stable disease] after 4-week injections (the first cycle) was 52.1% (SD, 12) . Of the 9 patients in the 3 mg/kg cohort, the brain tumor lesions in 3 patients shrank but did not reach the criteria for partial response at the end of first treatment cycle. Six patients (6 out 9, 67%) achieved SD in this cohort

Oat and egg based functional foods are entering early stage clinical trials for several cancers

  • A 55% improved survival with functional food delivered anti-secretory factor
  • Two thirds of those able to compete treatment show survival beyond 2 years
  • One of these patents was classed as disease free and beyond 2 years after the trial closed

At the latest follow-up, three (38%) patients remained alive, one of whom was free from recurrence. Figure 2 illustrates this latter patient. Survival data are reported in Table 1. Median OS was 23.0 months. Median PFS was 10.2 months…To make a meaningful comparison of survival, we selected an age and treatment matched retrospective cohort. Compared to this cohort, the treated patients displayed higher median OS (23.0 months versus 14.8 months) and PFS (10.2 months versus 9.4 months) compared to controls, but this was not statistically significant [now moving to a larger t...

Melatonin trials have shown longer survival rates, even in late stages, and improved side effects

  • 3/5 late stage glioblastoma patients experienced notable response
  • Of these, one patient reported as over 10 months stable after melatonin
  • A patient case here with rare astrocytoma also reported 10 mths+ stable

A preliminary study with a very high dose of MLT, consisting of 1000 mg/once day in the evening, was carried out in untreatable cancer patients, who failed to respond to the conventional anticancer therapies, and for whom the only available treatment was the palliative therapy. The treatment was well tolerated, and a disease control was achieved in 54% patients. These preliminary results would justify further clinical studies to generate a new interpretation of cancer control

Vitamin D3 and its immune system health actions are key, higher doses being trialed in oncology

  • Patient data on use of supplements shows vitamin D3 was beneficial
  • An adjusted overall surival increase reported as 26%
  • Aligns with large scale patient data in multiple cancer types

Vitamin D supplementation could potentially increase survival by mitigating some of the immunosuppressive effects of SOC treatment or by aiding the immune system in preventing the growth of tumor cells… Vitamin D has been reported to improve patient outcomes and to be associated with the occurrence of less aggressive tumors across multiple cancer types.. although, to our knowledge, this is the first report of a survival benefit in GBM. Given the mechanistic support underlying these findings, current results for vitamin D merit further study

Vitamin B3 here in the niacin form is in research for GBM

  • Compelling pre-clinical response is the basis for ongoing phase I studies
  • Niacin B3 is able to switch back crucial immune reactions in tumor cells
  • Findings are verified in both mouse models and patient derived cells

Niacin treatment of mice bearing intracranial BTICs increased macrophage/microglia representation within the tumor, reduced tumor size, and prolonged survival. These therapeutic outcomes were negated in mice depleted of circulating monocytes or harboring interferon-α receptor–deleted BTICs. Combination treatment with temozolomide enhanced niacin-promoted survival. Monocytes from glioblastoma patients had increased interferon-α14 upon niacin exposure and were reactivated to reduce BTIC growth in culture. We highlight niacin, a common vitamin that can be quickly translated into clinical a...

Vitamin C as a high dose drop is rapidly emerging in oncology for several advanced cancers

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  • Pilot study of high dose intravenous vitamin C with oncology treatment
  • Tendencies to improved overall survival of around 1/3
  • 3 of 11 patients reported with longer sustained period of stable disease

This study reports the first-in-human combination of pharmacologic ascorbate, RT, and TMZ therapy. Data suggest that P-AscH−  [intravenous vitamin C] is safe when combined with RT and TMZ, with minimal toxicity relative to standard RT/TMZ therapy. Although not powered to detect changes in effect size, data suggest that P-AscH− may enhance RT/TMZ effectiveness in patients with GBM, improving both PFS and OS, especially in subjects with undetectable MGMT promoter methylation and IDH wild-type status. Results are sufficiently promising to merit a phase II investigation

Urolithin A increases healthy cellular behaviors that may reduce cancers upregulated fatty acid metabolism

  • GBM tumors dysfunctional fatty acid metabolism increase growth and resistance
  • Case data shows 2.7X reduced risk in patients with lower activity in this pathway
  • Other research calls for trials of Urolithin-A in to explore its benefits

It has been previously shown that the OCTN2 substrate LC [L-carnitine] acts as a cytoprotector promoting cellular resistance and survivability..in this study, we demonstrate that OCTN2 expression and tissue LC concentrations are significantly higher in GBM compared with healthy brain. We observed a stepwise increase of OCTN2 expression from low-grade astrocytoma to primary and recurrent GBM. These findings are consistent with those of Bayraktar and colleagues who described a gradual increase in LC levels and some of its acyl derivates from low- to high-grade astrocytomas through to primary ...

Quercetin is one of few natural compounds able to penetrate the blood brain barrier

  • IRE1 enzymes are closely linked to increased progression and resistance
  • Anaysis of case data reports clear link between IRE1 activity and response
  • New lab studies shows quercetin can strongly suppress human IRE1 activity

We found that sensitivity to a UPR inducing prodrug may be hindered not only by constitutively-high levels of activation of the UPR but also by a heightened expression of genes encoding proteins central to IGF-1 signaling. Remarkably, the NR signature was validated in TCGA and found to account for>65% of GBM cases. Therefore, new UPR-based therapies need to take into consideration the role of elevated IRE1α and IGFBPs making it urgent to develop strategies to disable them, thereby decreasing resistance and increasing sensitivity to UPR therapies.

Lactoferrin increases iron balance and reduces anemia rates, countering cancers use of iron

  • More than double average survival time with higher serum iron
  • Adjusted risk reduction of 21% reported here aligns with other studies
  • At the same time, iron deficiency is common and linked with poor prognosis

Whether iron itself may be mediating improved survival or whether it may simply be a prognostic marker of an anti-tumor response requires additional study. Pre-clinical evidence does suggest that iron may directly play a beneficial role with reports of iron promoting anti-tumor immunity, inhibiting the ability of glioblastoma cells to migrate, and promoting ferroptosis of glioblastoma cells… iron may be associated with improved outcomes and may potentially be able to be utilized as a prognostic marker. this study provides additional evidence that iron may be associated with improved o...

Astragalus actions include protecting and balancing immune responses often with clear effects reported

  • Lower neutrophil-to-lymphocyte ratio, NLR, reduces risks
  • Both 1 and 2 year overall risk levels reduced more than half
  • Astragalus has evidence in lung cancer to re-balance NLR levels

The results of our present retrospective cohort analysis intimated that high pretreatment NLR measures were connected with significantly diminished survival durations in R-GBM patients treated with salvage BEVIRI. If confirmed by appropriately designed large-scale research results, NLR might be utilized as a costless, easy to achieve and calculate and reliably reproducible novel biologic factor in the prognostic stratification of the R-GBM patients into two groups with significantly distinct prognoses that may conceivably guide their individualized treatment.

Curcumin has evidence for reducing levels of systemic inflammation used by cancers

  • Systemic inflammation related progression assessed with 2 biomarkers
  • C-reactive protein and Fibrinogen levels indicate increased risk
  • Lower levels of both biomarkers reported risk reduction about a third

In this study, we evaluated the FC score as a prognostic dual biomarker score for GBM patients. We observed significantly decreased overall survival times in patients with an increased FC score (≥1) at the time of GBM diagnosis. An elevated FC score can be measured via determination of the plasma fibrinogen level and the serum CRP level prior to surgery for GBM and was found to be an independent risk factor for shortened survival. Our findings suggest the potential importance of assessing the prognosis of GBM by combining clinicopathological characteristics with initial inflammatory statu...

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