Status:

TERMINATED

Vitamin D and Cocaine Administration

Lead Sponsor:

Yale University

Conditions:

Cocaine Use Disorder

Eligibility:

All Genders

30-55 years

Phase:

EARLY_PHASE1

Brief Summary

This study is designed to explore the effects of acute pre-treatment with 1,25-dihydroxyvitamin D3 (calcitriol), as compared to placebo on the behavioral (e.g., attempts to self-administer and ultimat...

Eligibility Criteria

Inclusion

  • Age 30-55 years
  • Voluntary, written, informed consent
  • Physically healthy by medical history, physical, neurological, ECG and laboratory examinations
  • DSM-5 criteria for at least moderate Cocaine Use Disorder
  • Recent street cocaine use in excess of quantities used in the current study
  • Intravenous and/or smoked (crack/ freebase) use
  • Positive urine toxicology screen for cocaine
  • Laboratory evidence of vitamin D sufficiency (i.e., 25(OH)-vitamin D3 level ≥ 20/mg)
  • For females, a negative serum pregnancy (HCG) test at screening and admission, and a negative urine pregnancy test (HCG) on cocaine administration days.

Exclusion

  • A history of other substance dependence (except for nicotine). Positive urine toxicology for cannabis is accepted for the study unless there is evidence for dependence per Structured Clinical Interview for DSM-5 (SCID) interview. Positive urine toxicology for other drugs at screening will be repeated. If positive again and/or positive at admission, subjects will be excluded
  • \< 1 year of cocaine abuse/dependence
  • A primary DSM-5 Axis I major psychiatric disorder (e.g., schizophrenia, bipolar disorder, major depression, etc.) unrelated to cocaine as determined by the SCID-5
  • Medical comorbidities including serum calcium ( \> 10.5 mg/dl, serum phosphorus \> 4.2 mg/dl), hyperparathyroidism, kidney disease (e.g., Serum creatinine \> 1.3 mg/dl)
  • A history of significant and uncontrolled medical (e.g., cardiovascular, diabetic/metabolic) or neurological (e.g., cerebrovascular, seizures, traumatic brain injury) illness
  • A history of seizures
  • Current use of psychotropic/potentially psychoactive medications or medications that can have drug drug interactions with calcitriol, including over the counter Vitamin D products, thiazide diuretics, and calcium supplements, etc, as referenced in the package insert for calcitriol
  • Seeking treatment for drug abuse/dependence
  • Hypersensitivity to calcitriol
  • For females, physical or laboratory (HCG) evidence of pregnancy.

Key Trial Info

Start Date :

March 27 2019

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

January 17 2020

Estimated Enrollment :

4 Patients enrolled

Trial Details

Trial ID

NCT04826133

Start Date

March 27 2019

End Date

January 17 2020

Last Update

August 14 2023

Active Locations (1)

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1

Connecticut Mental Health Center

New Haven, Connecticut, United States, 06519