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26- & 39-Week Toxicity Studies of ANS-6637 in Rats and Monkeys (respectively) to Enable 6+ Months Dosing in Alcohol (and other Substance) Use Disorder Phase 3 Studies

Award Number: U01AA028003
ORGANIZATION: NATIONAL INSTITUTE ON ALCOHOL ABUSE AND ALCOHOLISM
OPDIV: NIH
AWARD CLASS: COOPERATIVE AGREEMENT
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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PROJECT SUMMARY The Surgeon General has stated “substance misuse remains a national public health crisis”1. In 2015, 15 million adults had Alcohol Use Disorder (AUD) in the United States (US)2. However, less than 7% with AUD received treatment3. In the US, 88,000 people die from alcohol related causes4 and the economic burden of AUD is over $250 billion per year5. To solve help the national public health crisis of AUD and more broadly of substance use disorder (SUD), more tools including new pharmacotherapy treatments for SUD are needed. Amygdala is developing the novel treatment, ANS-6637, for AUD and SUD. The proposed Specific Aims will generate chronic toxicity data required to establish appropriate treatment duration for ANS-6637 as a treatment for SUD. ANS-6637 is an orally bioavailable prodrug of the selective Aldehyde dehydrogenase 2 (ALDH2) inhibitor GS- 548351. In-Vitro and In-Vivo studies have demonstrated that ALDH2 inhibition suppresses the surge in dopamine release common to all addiction27. Pharmacology studies have demonstrated that ALDH2 inhibition reduces craving and drug-seeking behavior in multiple rodent models including reinstatement models of alcohol relapse. ANS-6637 has been studied in Phase 1 clinical studies in 135 human subjects. ANS-6637 had been evaluated in 28-day & 13-week rat & monkey toxicity studies which support clinical dosing of up to 3-months duration. Substance Use Disorders including AUD are chronic relapsing diseases. Therefore, treatments for SUD and AUD should be developed to be used for extended (i.e., more than 3-months) duration. For AUD clinical development, Food and Drug Administration (FDA) guidance calls for Phase 3 trials of 6-months duration29. Prior to human clinical studies of 6-months or more duration, or for marketed exposure of >1 month, FDA and the International Council for Harmonisation (ICH) Guidance require that sponsors conduct 6-months rodent and 9-month non-rodent repeat dose toxicity studies30,31. The Specific Aims of this grant application (chronic toxicity testing of 6-month duration in rodents and 9-month duration in non-human primates) will generate data required to assess if clinical studies of 6-months or longer duration with doses up to 600 mg QD can be conducted.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2022 ( Subtotal = $0 )
2022	2020	AMYGDALA NEUROSCIENCES, INC.	509 HALE ST	PALO ALTO	CA	94301	SANTA CLARA	USA	Alcohol Research Programs	000	2	11/17/2021	NON-COMPETING CONTINUATION	$0
														Subtotal = $0

Issue Date FY: 2020 ( Subtotal = $450,000 )
2020	2020	AMYGDALA NEUROSCIENCES INC	509 HALE ST	PALO ALTO	CA	94301	SANTA CLARA	USA	Alcohol Research Programs	003	2	9/3/2020	NON-COMPETING CONTINUATION	$450,000
2020	2019	AMYGDALA NEUROSCIENCES INC	509 HALE ST	PALO ALTO	CA	94301	SANTA CLARA	USA	Alcohol Research Programs	002	1	8/21/2020	NEW	$0
2020	2019	AMYGDALA NEUROSCIENCES INC	509 HALE ST	PALO ALTO	CA	94301	SANTA CLARA	USA	Alcohol Research Programs	001	1	11/18/2019	NEW	$900,000
2020	2019	AMYGDALA NEUROSCIENCES INC	509 HALE ST	PALO ALTO	CA	94301	SANTA CLARA	USA	Alcohol Research Programs	000	1	11/12/2019	NEW	-$900,000
														Subtotal = $450,000

Issue Date FY: 2019 ( Subtotal = $900,000 )
2019	2019	AMYGDALA NEUROSCIENCES INC	509 HALE ST	PALO ALTO	CA	94301	SANTA CLARA	USA	Alcohol Research Programs	000	1	9/19/2019	NEW	$900,000
														Subtotal = $900,000

Grand Total All Awards = $1,350,000

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26- & 39-Week Toxicity Studies of ANS-6637 in Rats and Monkeys (respectively) to Enable 6+ Months Dosing in Alcohol (and other Substance) Use Disorder Phase 3 Studies

Award Number: U01AA028003

ORGANIZATION: NATIONAL INSTITUTE ON ALCOHOL ABUSE AND ALCOHOLISM

OPDIV: NIH

AWARD CLASS: COOPERATIVE AGREEMENT

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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