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Main | | |
| Brand Name | Vivitrol, fka Vivitrex |
| Generic Name | naltrexone, poly-(lactide-co-glycolide) |
| Indication | Alcoholism. As many as 20m alcoholics in the US. Likely 500k receiving treatment. |
| Reimbursement | VIP3 marketing/reimbursement program. 2000 physicians enrolled as of August 3rd, up from 400 at launch. Reimbursement proceeding. |
| | covered as a medical benefit - product is appropriately priced - price has not been a barrier to physician interest |
| | J-code for Vivitrol became effective on 1/1/07 |
| Timeline | Approved 6/13/2006 |
| Guidance | 35-45m for 2006. |
| Dosing | qm injectable |
| Mechanism | mu-opioid receptor antagonist |
| Marketing | 2-3k psychologists/psychiatrists were targeted by CEPH with 120 sales reps. ALKS has 28 MMD (managers of market development) |
| | How large is the alcoholism market? How many rx for naltrexone are written? |
| Sales | Do not expect stocking. Ships from ALKS to specialty pharmacy. |
| Economics | CEPH returned product rights in 12/2008. ALKS sold Vivitrol to CEPH at cost, books sales as manufacturing revenue and records an offsetting COGS expense. |
| Sales | 1.1, 2.3, 3.2, 4.1, 4.7, 5.0, 4.3, 4.8, 4.7 (Q207-Q209). |
| Papers | Naltrexone long-acting formulation in the treatment of alcohol dependence. Johnson et al. Therapeutics and Clinical Risk Management 2007:3(5) 741-749 |
| | Use of Naltrexone in the Treatment of Alcoholism Nationally in the Department of Veterans Affairs. Petrakis et al. Alcoholism: Clin and Exp Res 2006. |
| Competition | Naltrel (DrugAbuse Sciences, Elbion), DepoTrex, Campral (FRX), topiramate, Seroquel (AZN), disulfiram |
| Clinical Trials | |
| | Phase III n=600 published by Garbutt et al |
| | S.S. lower percentage of heavy drinking days vs placebo, subgroup showed improvement was only in men. |