Recurrent Glioblastoma Multiforme (grade IV – WHO 2007): a case of complete objective response achieved by means of the concomitant administration of Somatostatin and Octreotide – Retinoids – Vit E – Vit D3 – Vit C – Melatonin – D2 R agonists (Di Bella Me

Published on Tuesday, 23 June 2015

Recurrent Glioblastoma Multiforme (grade IV – WHO 2007): a case of complete objective response achieved by means of the concomitant administration of Somatostatin and Octreotide – Retinoids – Vit E – Vit D3 – Vit C – Melatonin – D2 R agonists (Di Bella Method – DBM) associated with TemozolomideRecurrent Glioblastoma Multiforme (grade IV – WHO 2007): a case of complete objective response achieved by means of the concomitant administration of Somatostatin and Octreotide – Retinoids – Vitamin E – Vitamin D3 – Vitamin C – Melatonin – D2 R agonists (Di Bella Method – DBM) associated with Temozolomide



In a 41 year old man, with Glioblastoma Multiforme (Grade IV – WHO 2007, see below) and loco-regional recurrence, treated conventionally with surgery, radio-therapy and Temozolomide, a complete objective response was subsequently achieved by means of the well-tolerated concomitant administration of Somatostatin + slow release OctreotideMelatonin, Retinoids solubilized in Vitamin E, Vitamin D3, Vitamin C, D2 R agonists, and Temozolomide. In addition to the positive and previously unreported therapeutic finding, this result allowed the patient to avoid further surgical trauma and the correlated risks, achieving an excellent quality of life and working capacity.


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Among glial tumours, Glioblastoma Multiforme (GBM) is the most common and malignant, and remains a unsolved clinical problem. Despite surgery, which is the treatment of choice for GBM, together with chemo and radiotherapy, post-surgical recurrence and progression are the norm.

Survival with surgery, radiotherapy and chemotherapy (Filippini et al. 2008, see below) is between 12 and 14 months (57% at 1 year, 16% at 2 years and 7% at 3 years). The rare cases reported in the literature with more than 3 years survival are defined as "long-term survival".


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Surgical reduction of the tumoral mass allows more effective management with radio/chemotherapy. Removal of more than 98% of the tumour volume ("total" resection) increases survival compared to subtotal or partial resection. Subtotal "extended" resection does not appear to provide any advantage in terms of survival compared to biopsy or partial resection (Laws et al. 2003).

Tyrosine kinase inhibitors (Cenciarelli et al. 2014), VEGF inhibitors (Batchelor et al. 2014), TT1 inhibitors, PDGF inhibitors, and EGF inhibitors do not appear to have provided significant results, despite their sometimes severe toxicity.

Similarly, (Crough et al. 2012) immunotherapy, (Mizumoto et al. 2013) proton beam radiotherapy or hadron therapy (Orecchia et al. 2014) have not greatly improved prognosis.

Surgery followed by a combination of radiotherapy and Temozolomide is usually well tolerated but has little efficacy; in the absence of valid alternatives, it has become the standard treatment of choice for glioblastoma.

Due to the absence in the literature of findings of previous complete objective responses of glioblastoma to the usual treatments, we believe it is useful to report our case, which shows that it is possible to increase the efficacy and decrease the toxicity of the current oncotherapy for glioblastoma by combining it with the DBM (Di Bella Method) biological therapy.

This case confirms the myeloprotective (Di Bella & Gualano 2006), radioprotective (Lissoni et al. 1998) and antitoxic effect (Shokrzadeh et al. 2014) of melatonin and a solution of retinoids in Vitamin E, and Vitamin D3. These molecules allowed the continuous administration of Temozolomide beyond the usual dosage limits.

The differentiating, immunomodulating and cytostatic properties of these molecules contributed to this result, together with the antiproliferative effect of somatostatin, octreotide, and prolactin inhibitors.




In early October 2012, the patient (a 41-year-old man) presented with increasingly severe headache, unresponsive to therapy and with disabling characteristics.

Instrumental tests revealed a "right greyish, bilobate parieto-occipital neoplasm. Inhomogeneous. Bleeding profusely. Non-encapsulated, with soft consistency and infiltrative appearance. The lesion contains cystic areas and haemorrhagic-necrotic areas.".

SPECTROSCOPY: "NAA decrease in cholin and lactate peak, indicating a highly aggressive glial tumour."


October 2012

13 October 2012 - MRI (Image 1), before surgery resection;

16 October 2012 - Surgery with subtotal "extended" resection;

Histological and immunohistochemical diagnosis (Image 2 and Image 3: pathological tissue):

26 October 2012 - MRI: "...contrast medium revealed a few small rounded images in front of the surgical cavity, with hyperintense annulets, indicating residual and/or recurrent tumour cells...".


November 2012

02 November 2012 - CT scan with contrast medium: "...the presence of multilobate annulet formations persists after contrast medium injection, indicating residual and/or recurrent tumour cells...".

Before proceeding to the next stage of therapy (Temodal + Radiotherapy) the patient was prescribed continuous administration of the following: Somatostatin and slow release Octreotide, Melatonin,  Retinoids, Vitamin D3, Tetracosactide, Cabergoline and Bromocriptine.


December 2012 - January 2013

03 December 2012 → 18 January 2013 - Radiotherapy + Temodal (140mg/day for 5 days/week).

After 4 weeks suspension, Temodal was administered for 5 consecutive days (300 mg/day) every 4 weeks.


June 2013

05 June 2013 - MRI (Image 4 and Image 5): "...although less evident, the irregular impregnation of the surgical area by contrast medium persists, with the presence of a nodular-like formation of around 20 mm... [...] ...the other nodule at the rear, measuring around 8 mm, can no longer be seen. The annulet formation deep in the right front area is reduced in size, now measuring around 11 mm (vs 16 mm)...".


September 2013

18 September 2013 - MRI : "...compared to the previous MRI, less impregnation of the surgical area by contrast medium, the previously indicated nodular formation is no longer evident, the annulet formation in the right front area is considerably smaller and now appears linear and around 4 mm.". SPECTROSCOPY: "...with multivaxel technique, with ROI positioned in the lesional area and in healthy tissue, did not show significant variations of the known metabolites in the lesional area with respect to the healthy tissue...".


February 2014

06 February 2014 - MRI (Image 6 and Image 7) : "...further reduction of the impregnation of the walls of the operative site. No nodular images in this site. The linear impregnation in the right front area is no longer evident. The edematous halo is also reduced with slight compression on the right ventricular trigone, which appears more expanded compared to the previous finding.". SPECTROSCOPY: "...with multivaxel technique, with ROI positioned in the lesional area and in healthy tissue, did not show significant variations of the known metabolites in the lesional area with respect to the healthy tissue...".





The patient, until the last had contact with Di Bella Foundation's, in the month of September 2014, presents no substantial modifications with respect to the clinical situation described above.

In view of the result achieved, the administration of Temodal has been reduced to 200 mg/day × 5 days every 4 weeks, while the other prescribed substances remain unchanged.



Immunohistochemical and western blotting techniques confirmed the existence of the expression of GHR in the CNS, supporting the role of GH in the physiology of the CNS and to an even greater extent in tumours (Castro et al. 2000).

In tumours of the CNS a markedly higher expression of GH and GHR in tumours than in healthy tissue is confirmed, with a directly proportional dose-dependent ratio between GH, GHR and tumour aggressiveness (Lincoln et al. 1998) In glioblastoma cells, studies have confirmed the anticancer efficacy of somatostatin analogues and the correlation between their anticancer activity and the ability to inhibit the release of GH, antagonizing GHRH.

The hypothalamic GHRH stimulates the synthesis and release of GH by the pituitary gland and its mRNA has been detected at markedly higher concentrations in brain, breast, ovary, prostate and lung tumour tissues than in healthy tissues. Various studies have demonstrated that the somatostatin analogues, GHRH antagonists, also cross the blood-brain barrier without difficulty (Jaeger et al. 2005) and, inhibiting GH, have antiproliferative effects in many brain tumour models, including glioblastomas (Kovács et al. 2010).

The IGFR respond mitogenically to IGF, and the suppressive effect of SST and its analogues on serum levels of IGF1 is both direct, through the inhibition of the IGF gene, and indirect, through suppression of GH and thus of its hepatic induction of IGF1.

The anti-proliferative effect of the somatostatin analogues in brain tumours as in other neoplasms therefore also takes place through mechanisms that involve the suppression of the IGF system (Kiaris et al. 2005). The regression of a primary gliosarcoma, a rare tumour with a short and unfavourable prognosis (considered as a variation of a glioblastoma multiforme like a grade IV tumour) and the long-term survival achieved with somatostatin confirms the efficacy and the indication of SST in this disease (Trignani et al. 2013). Another antiblastic mechanism of the somatostatin analogues in glioblastomas, but very probably also in other tumours, consists of a reduction of telomerase activity, closely connected with tumour growth (Kiaris & Schally 1999).

The decrease in GH is also a known consequence of the irradiation of the CNS, and is a collateral antitumoral mechanism of brain radiotherapy, especially if centered on the interbrain area. The relationship between the radiotherapy dose to the hypothalamus and the clinically significant reduction of GH is still not sufficiently known (Merchant et al. 2002, see below). Various clinical studies have shown that the radio-marked analogue of somatostatin (DOTATOC), locally injected through a catheter in glioblastomas, has achieved complete or partial remission (Heute et al. 2010). These findings further confirm the indication and rationale of SST and its radio-marked analogue in the treatment of glioblastomas.

As in various types of cancer, brain tumours show increased serum levels of PRL and its receptors, confirming its important mitogenic role in the growth of these tumours (Ciccarelli et al. 2001).

Immunohistochemical techniques have shown an increased presence of prolactin in brain tumours, while its expression is absent at quantitative-real-time PCR (Mendes et al. 2013).

This shows that the presence of PRL in primary tumours of the CNS is initially only hypophyseal; in addition to the mitogenic effect of this molecule, this confirms the still underestimated ability of the neoplastic cell to select and maintain increasing proliferative activity during its mutation, through the autocrine production of hormones and growth factors including prolactin and its receptor with activation of the relative proliferative signalling pathways.

The study by Oliveira-Ferrer et al. 2013 provides confirmation; in fact, integrin ligands with apoptotic and anti-angiogenic activity, such as endostatin and tumstatin, exert their anti-proliferative activity through angiogenesis inhibition, but their effect is not permanent due to the aforementioned mutagenic ability of the tumour cells which, in response to any anticancer treatment (especially if mono-target), defend themselves by releasing hormones and growth factors in an autocrine manner.

In the battery of identified genes, an over-expression of PRLR and its ligand has been observed. The genic activation of prolactin receptors and its ligand thus represents a mechanism of evasion and resistance to the treatment with Endostatin-Tumstatin. The authors emphasise the mitogenic role in this over-regulation of prolactin on various tumour forms.

These observations confirm the rationale of the antiproliferative synergic inhibition by means of PRL and GH inhibitors and of the differentiating inhibition with Retinoids, Vitamin E, Vitamin D3, and Melatonin (MLT) as part of an interactive centripetal multifactor treatment of tumour cells. In glioblastomas, as in other tumours, stem tumour cells are sensitive to the differentiating effects of retinoids (Karsy et al. 2010), which also have cytostatic effects (Campos et al. 2010), reinforcing the anticancer action of Temozolomide (Jaeckle et al. 2003) and other chemotherapy drugs (Das et al. 2008).

Both physiological and tumour cell proliferation depend to a great extent on prolactin, GH, the greatest growth (De Souza et al. 1974; Ben-Jonathan et al. 2002; Lincoln et al. 1998; Friend 2000) and on GH-dependent mitogenic molecules positively regulated by GH such as EGF, FGF, HGF, IGF1-2, NGF, PDGF, TGF, VEGF (Hagemeister & Sheridan 2008; Taslipinar et al. 2009) as well as growth factors produced by the digestive system, such as VIP, CCK, G (Kath & Höffken 2000). The powerful mitogenic role is confirmed by studies showing markedly higher concentrations of GHR in tumour cells compared with peritumoural and physiological tissues (Zeitler & Siriwardana 2000; Gruszka et al. 2001). The temporal mechanism of this etiopathogenetic process is currently being investigated: among the most likely hypotheses, in addition to the pituitary secretion of GH and PRL, probable mechanisms of autocrine and/or paracrine signalling mechanisms have been suggested, based on the detection of local production.

Angiogenesis is an obligatory step in tumour expansion, involving angiogenic inductors such as monocyte chemotaxis, endothelial Nitric Oxide Synthase, interleukin 8 Prostaglandin 2, Vaso intestinal peptide, and angiogenic growth factors such as VEGF, TGF, IGF1, FGF, HGF, and PDGF. All these molecules are negatively regulated by somatostatin and its analogues (Albini et al. 1999; Cascinu et al. 2001) and, albeit to a lesser extent, by other components of the DBM such as Melatonin (Lissoni et al. 2001) Retinoids (Kini et al. 2001), Vitamin D3 (Kisker et al. 2003), Vitamin E (Neuzil er al. 2002), Vitamin C (Ashino et al. 2003), prolactin inhibitors (Turner et al. 2000) and by components of the extracellular matrix (Liu et al. 2005). While angiogenesis is an obligatory step in tumour expansion, and angiogenesis is inhibited by somatostatin, the indication for somatostatin, with or without SSTR, in all tumours is further clarified and documented.

Local situations of anoxia and acidosis also favour angiogenesis, and are corrected to a great extent by the improvement in blood-tissue exchanges induced by the components of the DBM.

EGF, which has an important mitogenic role in many cases of glioblastoma is inhibited by SST through many mechanisms: block of the dose-dependent signalling (inhibition of tyrosine phosphorylation) of EGFR (Mishima et al. 1999), reduction of the expression of EGFR and its ligand (EGF) in tumour cells, reduction of the plasma concentration of EGF (Castro et al. 2000). This effect is further reinforced by the concomitant administration of MLT and Vitamin D3, whose negative regulation of epidermal growth factors has been documented (Di Bella 2010).

The objective response of this case, in the absence of toxicity, encouraged us to propose its publication. To overcome the toxicity and limitations of the current oncological treatments, we believe it is worth drawing attention to the interactive and synergic biochemical and molecular mechanisms of the components of the DBM and to the already published positive clinical results achieved in lung, breast, and prostate tumours and in lymphoproliferative diseases.


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Recurrent Glioblastoma Multiforme (grade IV – WHO 2007): a case of complete objective response achieved by means of the concomitant administration of Somatostatin and Octreotide – Retinoids – Vitamin E – Vitamin D3 – Vitamin C – Melatonin – D2 R agonists (Di Bella Method – DBM) associated with Temolozomide


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