US state law explainer

Arizona HB 2871: $5M Ibogaine Research Law Explained

Arizona's 2025 law funding $5 million in ibogaine research at state universities, focused on veterans with treatment-resistant PTSD and opioid use disorder.

On this page

  1. What Arizona HB 2871 does
  2. Who can receive the grant
  3. What the research must study
  4. Cardiac safety and FDA requirements
  5. Arizona vs. Texas: how the two ibogaine laws compare
  6. Legislative timeline
  7. Federal law and what HB 2871 cannot do
  8. Frequently asked questions

What Arizona HB 2871 does

Arizona HB 2871 is a research-funding law that appropriates $5 million in state money to pay for a certified clinical study of ibogaine in veterans. The Arizona Legislature passed it during its 2025 session, and the Arizona Department of Health Services (ADHS) distributes the funds through the Arizona Biomedical Research Centre (ABRC).

The $5 million in state money must be matched dollar-for-dollar by the grant recipient. That means every project funded under this law has at least $10 million total to run phase one, two, and/or three clinical trials. The matching requirement is not a suggestion — an institution that cannot demonstrate a $5 million private commitment is ineligible for the award.

The funding runs for five years from the award date and is exempt from lapsing. That matters for long-running phase 2 or phase 3 trials, which can take several years to enroll and complete. State appropriations that lapse mid-study would stall enrollment, so the exemption is a meaningful operational detail.

This is not a therapy-access law. HB 2871 does not allow anyone to receive ibogaine outside a clinical trial. It does not decriminalize ibogaine possession. It funds research. For the full picture of ibogaine's legal status across the US, see the ibogaine guide.

Who sponsored the bill and why

State Representative Justin Wilmeth (R-Phoenix) introduced HB 2871 in February 2025. Wilmeth cited the veteran suicide crisis, saying every day veterans are lost to PTSD and traumatic brain injuries and that current treatment options are not working. Former U.S. Senator Kyrsten Sinema testified before the House Appropriations Committee and pledged to raise $5 million in private funding to match the state's investment.

Who can receive the grant

Only one type of institution can receive the HB 2871 grant: an Arizona-based organization with a documented history of neurological disease research, a neurosurgery program, and the ability to commit $5 million in matching funds. The statute sets four eligibility criteria, all of which must be met.

The four statutory requirements are:

  1. A proven history of research and treatment of neurological diseases.
  2. A neurosurgery program with advanced clinical and research facilities staffed by experts in complex neurological conditions.
  3. Demonstrated ability to conduct pioneering research and innovation in neurological diagnosis and treatment.
  4. A commitment to match the state's $5 million with at least $5 million from non-state sources.

These criteria effectively limit eligibility to major academic medical centers in Arizona. The ABRC issued its Request for Grant Applications (RFGA 2026-006) in October 2025, with the application window closing November 19, 2025.

Researcher credentials required

Principal investigators must hold an independent research position equivalent to NIH R01 eligibility and must reside in Arizona. The lead institution must hold DEA Schedule I researcher registration and maintain FDA Investigational New Drug (IND) authorization for the duration of the study. IRB approval is also required at all times — the trial cannot pause that oversight even between enrollment cohorts.

Indirect costs are capped at 10% of total direct costs per year, which is low compared to standard NIH overhead rates. Manuscript preparation fees are allowed but capped at $9,000 per manuscript — a detail that rarely appears in news coverage of the bill but matters for institutions building research infrastructure around the grant.

What the research must study

The statute directs the study toward ibogaine as a treatment for neurological diseases, specifically naming traumatic brain injury (TBI) and post-traumatic stress disorder (PTSD). These are the two conditions most frequently cited in veteran suicide research and the ones Wilmeth highlighted in the House Appropriations Committee.

The law does not list opioid use disorder as a named indication, which is the primary focus of the Texas ibogaine program. Arizona's mandate sits closer to the neurological and psychiatric injury model — examining how ibogaine may repair damage from combat trauma — rather than the addiction-interruption model that dominated earlier ibogaine research. This is a meaningful difference in scientific framing, not just political emphasis.

The funded trials may run at phase one, two, or three level. Phase one trials test safety and dosing. Phase two tests efficacy. Phase three trials generate the controlled data the FDA needs for approval. The law allows funding across all three stages, giving the recipient flexibility to start at whatever phase their preclinical work supports.

Why TBI specifically? Ibogaine's proposed mechanism in TBI involves neuroplasticity — the drug may trigger the release of glial-derived neurotrophic factor (GDNF) and brain-derived neurotrophic factor (BDNF), which support nerve repair. A 2023 Stanford study published in Nature Medicine found ibogaine improved cognitive function, PTSD symptoms, and disability scores in Special Operations veterans with TBI — providing the scientific basis Wilmeth cited in committee. Arizona's law is the first state appropriation directly targeting ibogaine for TBI rather than addiction.

Cardiac safety and FDA requirements

Every trial funded under HB 2871 must comply with FDA safety protocols because ibogaine carries a well-documented risk of QT-interval prolongation — an electrical disturbance in the heart that can trigger fatal arrhythmia. This is the primary reason ibogaine remains Schedule I: the cardiac risk profile made FDA approval impossible without controlled trial data on mitigation protocols.

The FDA IND requirement in the statute is the mechanism for managing this risk. Any IND application for ibogaine must include a cardiac safety monitoring plan, typically involving electrocardiogram (ECG or EKG) screening before dosing, continuous cardiac monitoring during the session, and magnesium pre-treatment, which has been shown in some protocols to reduce QT risk.

The law does not specify a cardiac safety protocol by name — it leaves that to the FDA and the institution's IRB. But every institution applying for the grant must build a compliant protocol into their trial design before the IND is issued. No IND means no grant, so cardiac safety screening is baked into eligibility even without an explicit statutory requirement. For more on ibogaine's cardiac profile, see the ibogaine guide.

Arizona vs. Texas: how the two ibogaine laws compare

Arizona and Texas are the two states that committed dedicated state funding for ibogaine clinical trials in 2025. They share a veteran focus and a state-funding mechanism, but their scale, structure, and therapeutic framing differ in important ways. The table below compares them directly.

Feature Arizona HB 2871 Texas SB 2308
State appropriation $5 million $50 million
Total budget (with match) $10 million (1:1 private match required) Up to $100 million (public-private consortium)
Model Single-institution academic grant Multi-organization consortium across the state
Primary indication TBI and PTSD in veterans Opioid use disorder, mental health broadly
Recipient eligibility One Arizona institution with neurosurgery program Organizations capable of FDA-supervised studies statewide
Cardiac safety protocol Required via FDA IND (protocol left to institution) Required via FDA IND (IMPACT consortium model)
Sponsor Rep. Justin Wilmeth (R) Senator Charles Perry (R)
Status Signed — ABRC grant application closed Nov 2025 Signed — IMPACT consortium forming

When Arizona's model fits better: if you are an Arizona-based academic medical center with neurosurgery capacity and a TBI or PTSD research focus. The single- institution structure means less coordination overhead and a cleaner chain of command for the trial.

When Texas's model fits better: if you want to run multiple concurrent trials across a broader population or target opioid use disorder specifically. Texas's consortium model allows several institutions to participate and share data. For the Texas breakdown, see the Texas SB 2308 guide.

Legislative timeline

Federal law and what HB 2871 cannot do

Ibogaine is a Schedule I controlled substance under the federal Controlled Substances Act — the same schedule as heroin and LSD. Arizona state law cannot change that. HB 2871 does not reschedule ibogaine, decriminalize it for personal use, or allow any treatment outside a federally authorized clinical trial.

The law works within federal law, not around it. Every trial it funds needs a DEA Schedule I researcher license and an FDA IND. The state's role is to write the check; the FDA and DEA still control what happens in the lab. For the full picture of what psychedelics are legally available where, see the guide to what psychedelics are legal in the US and the legal status by state tool.

What HB 2871 does accomplish is building the evidence base that could eventually support an FDA rescheduling petition. If phase two and phase three trials funded under this law show strong safety and efficacy data, the FDA could approve ibogaine as a prescription drug — and Schedule I status would become untenable. Arizona is betting $5 million that those trials will produce that data. The NDAA psychedelics provision and the legalization tracker cover the broader federal movement.

Do not attempt to self-medicate with ibogaine. Outside a supervised clinical trial with cardiac monitoring, ibogaine carries a real risk of fatal arrhythmia. The cardiac risks are not theoretical — deaths have been reported at unmonitored treatment centers. If you are looking for legal ibogaine access for addiction treatment today, legal retreat options in Costa Rica and other jurisdictions operate with required cardiac screening.

Frequently asked questions

What does Arizona HB 2871 do?

Arizona HB 2871 appropriates $5 million from the state general fund to the Arizona Department of Health Services to fund a certified clinical research study on ibogaine for veterans with PTSD and traumatic brain injury. The recipient must match the state's $5 million with at least $5 million from private or non-state sources, creating a $10 million total trial budget.

Is ibogaine legal in Arizona under HB 2871?

No. HB 2871 is a research-funding law, not a decriminalization measure. Ibogaine remains a Schedule I controlled substance under federal law and is illegal for personal use in Arizona. The law only funds supervised clinical research under FDA authorization.

Who can receive the Arizona ibogaine research grant?

The grant can only go to an Arizona-based institution that has a proven history of neurological disease research, a neurosurgery program with advanced facilities, and the ability to match the state's $5 million with private funding. The Arizona Biomedical Research Centre (ABRC) administers the grant application process.

How is Arizona HB 2871 different from Texas SB 2308?

Texas SB 2308 committed $50 million to a public-private consortium to fund multiple FDA-authorized ibogaine trials across the state. Arizona HB 2871 targets $5 million (matched to $10 million total) to a single Arizona institution for clinical research. Texas focuses on opioid use disorder and mental health broadly; Arizona emphasizes PTSD and TBI in veterans.

What conditions does the Arizona ibogaine study target?

The law targets neurological diseases specifically including traumatic brain injury (TBI) and post-traumatic stress disorder (PTSD). The focus on veterans reflects sponsor Rep. Justin Wilmeth's stated concern over veteran suicide rates tied to those conditions.

Who sponsored Arizona HB 2871?

Arizona HB 2871 was sponsored by state Representative Justin Wilmeth (R-Phoenix). It passed the Senate Committee on Health Services 10-0 in March 2025. Former U.S. Senator Kyrsten Sinema testified in support and pledged to raise $5 million in private matching funds.

Want to track ibogaine legislation as it moves?

Arizona and Texas are not the only states moving on ibogaine. Our legalization tracker shows every active bill, its current status, and when key votes are scheduled.

Psychedelic legalization tracker  ·  Legal status by state

Get Arizona HB 2871 — Ibogaine Research Appropriation updates

New votes, rules, court rulings, and access changes for Arizona HB 2871 — Ibogaine Research Appropriation — delivered when they happen.

Free. No spam. Unsubscribe anytime.

← Back to all psychedelic laws

Sources

  1. Arizona State Legislature. HB 2871 — Appropriation; Ibogaine; Clinical Research Study (57th Legislature, 1st Regular Session). azleg.gov, 2025. Bill text (PDF).
  2. Arizona Biomedical Research Centre / Arizona Department of Health Services. RFGA 2026-006 — Ibogaine Research Clinical Trials Grant. azdhs.gov, 2025. ABRC grant program.
  3. Arizona House GOP Conference. Funding for Ibogaine Research for Veterans with PTSD and TBI Advances in the House. azhousegop.com, 2025. House GOP press release.
  4. Arizona House of Representatives. News Release — HB 2871 (March 4, 2025). azleg.gov, 2025. Legislative press release (PDF).
  5. Nadelmann, E.; Krawitz, P.. Arizona joins Texas in ibogaine clinical trial research push for veteran, first responder mental health. Reason Foundation, 2025. Reason Foundation commentary.