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 Letter to Editor

“Personalized Addiction Medicine” May Take Us to the Promised-Land: Coupling Neurogenetic Risk and Nutrigenomic Dopaminergic Activation

  Kenneth Blum, PhD1-5*,Rajendra D. Badgaiyan, MD6, Marcelo Fabo1, Mark S. Gold, MD7

1Department of Psychiatry & McKnight Brain Institute, University of Florida, College of Medicine, Gainesville, Florida
2Department of Clinical Medicine, Malibu Beach Recovery Center, Malibu Beach, California
3Dominion Diagnostics, LLC, North Kingstown, Rhode Island
4Department of Nutrigenomics, RDSolutions Inc. Salt Lake City, Utah
5Victory Nutrition International, LLC. Lederoch, Pennsylvania
6Department of Psychiatry and Neuroimaging, University of Minnesota, Minneapolis, Minnesota
7Departments of Psychiatry and Behavioral Sciences at the Keck, University of Southern California, School of Medicine, Los Angeles, California

*Corresponding author:  Dr. Kenneth Blum, President, United Scientific Group Academic Publishing, USA,
Tel: 619-890-2167101; Email: drd2gene@gmail.com.

Submitted: 03-08-2015 Accepted: 03 -09-2015 Published: 03-20-2015

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We are entering the era of genomic medicine and neuroimaging as it relates to addiction a subset of Reward Deficiency Syndrome (RDS) [1]. Previously we discussed the importance of providing a common rubric to identify all addictive
behaviors drug and non-drug related and potential genetic antecedents [2]. There is a global threat of many addictive like behaviors in all known societies especially as reflected in the legal iatrogenic opioid prescription dilemma [3]. The statistics on heroin fatalities alone has become staggering in the United Sates (see table 1).

Keeping this in mind there is a current need for early diagnosis through genetic testing and the incorporation of inducing “dopamine homeostasis” for long-term therapy. The blocking of dopamine release at the reward center in the brain is favored by the current approved Federal Drug Administration (FDA) list for the treatment of Alcoholism, Heroin dependence and Smoking cessation [4]. However, it can be argued that by doing so in the long-term, the brain is being hijacked of its required dopamine supply, and this in turn can lead to mood changes including suicide ideation. One of us (MSG) proposed the utilization of a powerful D2 agonist known as Bromocyrptine to treat psychostimulant abuse in the 80’s but chronic utilization induced a down –regulation of D2 receptors [5]. Many years after this observation it has been very difficult to find an agent that would activate the D2 receptors without subsequent reduction of dopaminergic function [6]. Understanding this conundrum can we find a better solution providing real recovery eliminating unnatural “white knuckle sobriety” [7].

In 2005 Blum received the first USA patent on Nutrigenomics and RDS treatment. This was awarded on the basis of our earlier work showing anti-addiction activity of a nutraceutical consisting of amino-acid precursors and enkephalinase inhibition properties and our discovery of the first polymorphic gene Dopamine D2 Receptor Gene [DRD2] to associate with sever alcoholism [8].

Drug-poisoning Deaths Involving Heroin:
United States, 2000–2013
Key findings: Data from the National Vital Statistics System 
●From 2000 through 2013,the age-adjusted rate for drug-poisoning deaths involving heroin nearly quadrupled from 0.7 deaths per 100,000 in 2000 to 2.7 deaths per 100,000 in 2013. Most of the increase occurred after 2010.

●The number of drug-poisoning deaths involving heroin was nearly four times higher for men (6,525 deaths)than women (1,732 deaths) in 2013.

●In 2000, non-Hispanic black persons aged 45–64 had the highest rate for drug-poisoning deaths involving heroin (2.0 per 100,000). In 2013, non- Hispanic white persons aged 18–44 had the highest rate (7.0 per 100,000).

●From 2000 through 2013,the age-adjusted rate for drug-poisoning deaths involving heroin increased for all regions of the country, with the greatest increase seen in the Midwest.

Source: March 2015
Centers for Disease Control and Prevention
National Center for Health Statistics

Prior to the later genetic finding we developed the concept of Brain Reward Cascade (BRC) which continues to act as a blueprint for stratification of addiction risk through neurogentics [9]. Many others have continued to provide clear evidence for
the role of neurotransmitters in the reward of the brain [10- 12] and the importance of dopamine release at specific brain loci leading to pleasure and anti-stress. As discussed earlier, in 1996 Blum et al also coined the term “Reward Deficiency Syndrome (RDS)” to define a common genetic rubric for both substance and non-substance related addictive behaviors [1,13]. Following many reiterations Blum and associates utilized polymorphic targets of a number of reward genes (serotonergic, Opioidergic, GABAergic and Dopaminergic) to customize KB220 [Neuroadaptogen- amino-acid therapy (NAAT)] by specific algorithms.

Identifying 1,000 obese subjects in the Netherlands a subsequent small subset was administered various KB220 formulae customized according to respective DNA polymorphisms (e.g. serotonin genetic deficits signaled increases in tryptophan etc.). As such individualized dopamine agonist nutrigenomics was utilized differentially for each subject. This novel approach translated to significant decreases in both Body Mass Index (BMI) and weight in pounds [14]. This was followed up in the USA with similar significant effects [15,16]. One very important finding from these and other experiments revealed that carriers of the DRD2 A1 allele (rs1800497) were more responsive to dopamine agonist modalities than carriers of the DRD2 A2 allele (normal compliment of D2 receptor availability) [14,17].

Following these experiments in conjunction with the Institute of Behavioral Genetics, Colorado University, at Boulder, Blum and associates have been successfully developing a panel of genes known as “Genetic Addiction Risk Score (GARSPreDX).™ When they selected 10 genes with appropriate variants, a statistically significant association between the ASI- Media Version -alcohol and drug severity scores and GARSPreDX™ was found. This observation was found in 273 patients attending seven diverse treatment centers across the United Sates. The selection of specific SNPs seemed crucial because any deviation in altered selection resulted in non-significant association with the ASI-Media version severity scores for both alcohol and drugs.

Independently, it was observed that the Neuroadaptagen-------( rsFMRI) in a putative network that included the dorsal anterior cingulate, medial frontal gyrus, nucleus accumbens, posterior cingulate, occipital cortical areas, and cerebellum[ 18]. In other unpublished rat work we show that KB220Z significantly activates, above placebo, seed regions of interest including the left nucleus accumbens, cingulate gyrus, anterior thalamic nuclei, hippocampus, pre-limbic and infra-limbic loci. This response induced by KB220Z demonstrates significant functional connectivity, increased brain volume recruitment and enhanced dopaminergic functionality across the brain reward circuitry. This robust yet selective response implies clinical relevance but more research is required.

Considering increase of street use heroin and subsequent fatalities recently noted, and the initiation of prescribing highly addictive opioid pain medications to the multitude of individuals presenting to pain clinics and subsequent induction of iatrogenic legal addiction to for example OxyContin®, we must find better solutions. Indeed, initial genetic screening should help identify potential at risk individuals providing possible alternatives to treatment [19].

We are now paused to propose a Reward Deficiency System Solution™ that promotes early identification and stratification of risk alleles by utilizing GARSPreDX [20] allowing for customized nutrigenomic targeting of these risk alleles by altering NAAT ingredients as an algorithmic function of carrying these polymorphic DNA –SNPS as well as brain electrotherapy, potentially yielding the first ever nutrigenomic solution for addiction and pain. While we are not in the promised -land yet but with continued sophisticated research by the scientific community someday it will indeed take us there.


Rajendra D. Badgaiyan is supported by the National Institutes of Health grants 1R01NS073884 and 1R21MH073624; and VA Merit Review Awards CX000479 and CX000780. Kenneth Blum is the recipient of a grant to PATH FOUNDATION NY, by Life Extension Foundation, Ft/ Lauderdale, Florida.

Conflict of Interest

Kenneth Blum, PhD is the holder of a number of US and Foreign patents issued and pending related to Nutrigenomics and Nutraceuticals. Through IGENE LLC., Dr. Blum exclusively licensed the Genetic Addiction Risk Score (GARS)™ to Dominion
Diagnostics, LLC. Dr. Blum is also an officer and stock holder of IGENE, LLC and is a paid consultant of Dominion Diagnostics,LLC, IGENE, and Malibu Recovery Center. Dr. Blum is a paid consultant of Dominion Diagnostics, IGENE, Malibu Beach Recovery Center, RDSolutions, and Victory Nutrition International. Dr. Blum is a member of the scientific advisory board of Dominion Diagnostics, LLC and is Chief Scientific Advisor of Dominion Diagnostics, LLC. Dr. Gold is a paid consultant by Rivermend Health LLC. Atlanta, GA.

Contribution of Authors: The authors equally contributed.




1.Blum K, Badgaiyan RD. Reward Deficiency Syndrome (RDS): Entering the Genomic & Neuroscience Era of Addiction. JRDS. 2015, 1(1): 1-2.

2.Blum K, Sheridan PJ, Wood RC, Braverman ER, Chen TJ et al. The D2 dopamine receptor gene as a determinant of reward deficiency syndrome. J R Soc Med. 1996, 89(7): 396-400.

3.Blum K, Oscar-Berman M, Dinubile N, Giordano J, Braverman ER et al. Coupling Genetic Addiction Risk Score (GARS) with Electrotherapy: Fighting Iatrogenic Opioid Dependence. J Addict Res Ther. 2013, 4(163): 1000163.

4.Volkow ND, Frieden TR, Hyde PS, Cha SS. Medication-assisted therapies--tackling the opioid-overdose epidemic. N Engl J Med. 2014, 370(22): 2063-2066.

5.Dackis CA, Gold MS. Bromocriptine as treatment of cocaine abuse. Lancet. 1985, 1(8438): 1151-1152.

6.Picetti R, Schlussman SD, Zhou Y, Ray B, Ducat E et al. Addictions and stress: clues for cocaine pharmacotherapies. Curr Pharm Des. 2013, 19(40): 7065-7080.

7.Frank SH, Jaén CR. Office evaluation and treatment of the dependent smoker. Prim Care. 1993, 20(1): 251-268.

8.Blum K, Noble EP, Sheridan PJ, Montgomery A, Ritchie T et al. Allelic association of human dopamine D2 receptor gene in alcoholism.JAMA. 1990, 263(15): 2055-2060.

9.Blum K, Kozlowski GP. Ethanol and neuromodulator interactions: a cascade model of reward. In: Ollat H, Parvez S, Parvez H, editor. Alcohol and Behavior. Utrecht, Netherlands: VSP Press; 1990. pp. 131–149.

10.Katia B. Interactions of the opioid and cannabinoid systems in reward: Insights from knockout studies. Front Pharmacol. 2015, 6:6.

11.Wise RA. Brain reward circuitry: insights from unsensed incentives. Neuron. 2002, 36(2): 229-240.

12.Koob GF. The dark side of emotion: The addiction perspective. Eur J Pharmacol. 2015, pii: S0014-2999(15)00015-1.

13.Blum K, Febo M, McLaughlin T, Cronjé FJ, Han D et al. Hatching the behavioral addiction egg: Reward Deficiency Solution System (RDSS)™ as a function of dopaminergic neurogenetics and brain functional connectivity linking all addictions under a common rubric. J Behav Addict. 2014, 3(3): 149-156.

14.Blum K, Chen ALC, Chen TLC, Rhoades P, Prihoda P et al. Dopamine D2 Receptor Taq A1 allele predicts treatment compliance of LG839 in a subset analysis of a pilot study in The Netherlands. Gene Therapy Mol Biol. 2008, 12: 129-140.

15.Blum K, Chen AL, Chen TJ, Rhoades P, Prihoda TJ et al. LG839: anti-obesity effects and polymorphic gene correlates of reward deficiency syndrome. Adv Ther. 2008, 25(9): 894-913.

16.Blum K, Chen TJH, Williams L, Chen ALC, Downs BW et al. A short term pilot open label study to evaluate efficacy and safety of LG839, a customized DNA directed nutraceutical in obesity: exploring nutrigenomics. Gene Ther Mol Biol. 2008: 112.

17.Lawford BR, Young RM, Rowell JA, Qualichefski J, Fletcher BH et al. Bromocriptine in the treatment of alcoholics with the D2 dopamine receptor A1 allele. Nat Med. 1995, 1(4): 337-341.

18.Blum K, Liu Y, Wang W, Wang Y, Zhang Y et al. rsfMRI effects of KB220Z™ on neural pathways in reward circuitry of abstinent genotyped heroin addicts.Postgrad Med. 2014, 127(2): 232-241.

19.Blum K, Oscar-Berman M, Demetrovics Z, Barh D, Gold MS. Genetic Addiction Risk Score (GARS): molecular neurogenetic evidence for predisposition to Reward Deficiency Syndrome (RDS).Mol Neurobiol. 2014, 50(3): 765-796.

20.Blum K, Oscar-Berman M, Barh D, Giordano J, Gold M. Dopamine Genetics and Function in Food and Substance Abuse. J Genet Syndr Gene Ther. 2013, 4(121).

Cite this article: Blum K. “Personalized Addiction Medicine” May Take Us to the Promised-Land: Coupling Neurogenetic Risk and Nutrigenomic Dopaminergic Activation. J J Mol Transl Med. 2015, 1(1): 001.


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