NCT03136705

Brief Summary

STUDY SUMMARY Title: EFFECTS OF NICOTINAMIDE AND LANTHANUM CARBONATE ON PHOSPHORUS HOMEOSTASIS Protocol Number:STU00090161 Phase: Phase 1, detailed physiologic study Methodology: double blind, randomized, placebo-controlled, 2x2 factorial Study Duration: 12-18 months (to complete the entire study protocol) Study Center: Single-center Objectives: Define short-term effects of the interventions (lanthanum carbonate and nicotinamide) on indices of phosphate handling Number of Subjects: 80 Diagnosis and Main Inclusion Criteria: Healthy volunteers Study Product(s), Dose,Route, Regimen: Nicotinamide, 750 mg by mouth twice daily, Lanthanum carbonate, Fosrenol, 1000 mg by mouth three times daily with meals Duration of administration: 2 weeks (length of time study participants are enrolled in study) Reference therapy: reference is a placebo Statistical Methodology: Repeated measures analysis using mixed linear models

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
39

participants targeted

Target at P50-P75 for phase_1 healthy

Timeline
Completed

Started Feb 2016

Longer than P75 for phase_1 healthy

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 3, 2016

Completed
1.1 years until next milestone

First Submitted

Initial submission to the registry

March 23, 2017

Completed
1 month until next milestone

First Posted

Study publicly available on registry

May 2, 2017

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2017

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2017

Completed
6.2 years until next milestone

Results Posted

Study results publicly available

February 23, 2024

Completed
Last Updated

February 23, 2024

Status Verified

February 1, 2024

Enrollment Period

1.8 years

First QC Date

March 23, 2017

Results QC Date

July 10, 2023

Last Update Submit

February 22, 2024

Conditions

Keywords

Phosphorus HomeostasisFGF23Vitamin D

Outcome Measures

Primary Outcomes (1)

  • Change in Intact FGF23

    Longitudinal change in serum intact FGF23 levels from baseline visit through completion of study.

    Approximately 3 weeks.

Secondary Outcomes (2)

  • Change in Plasma Phosphorus Level

    Approximately 3 weeks.

  • Change in 24 Hour Urinary Phosphorus Level

    Approximately 3 weeks.

Study Arms (4)

Lanthanum + Nicotinamide

ACTIVE COMPARATOR

Lanthanum Carbonate 1000mg orally three times daily with meals for 2 weeks and Nicotinamide 750mg orally twice daily for 2 weeks

Drug: NicotinamideDrug: Lanthanum Carbonate

Lanthanum + Nicotinamide Placebo

ACTIVE COMPARATOR

Lanthanum Carbonate 1000mg orally three times daily with meals for 2 weeks and Nicotinamide Placebo orally twice daily for 2 weeks

Drug: Lanthanum CarbonateDrug: Nicotinamide Placebo

Lanthanum Placebo + Nicotinamide

ACTIVE COMPARATOR

Lanthanum Carbonate Placebo orally three times daily with meals for 2 weeks and Nicotinamide 750mg orally twice daily for 2 weeks

Drug: NicotinamideDrug: Lanthanum Carbonate Placebo

Lanthanum Placebo + Nicotinamide Placebo

PLACEBO COMPARATOR

Lanthanum Carbonate Placebo orally three times daily with meals for 2 weeks and Nicotinamide Placebo orally twice daily for 2 weeks

Drug: Lanthanum Carbonate PlaceboDrug: Nicotinamide Placebo

Interventions

Nicotinamide tablet

Lanthanum + NicotinamideLanthanum Placebo + Nicotinamide

Lanthanum Carbonate tablet

Also known as: Fosrenol
Lanthanum + NicotinamideLanthanum + Nicotinamide Placebo

Sugar pill manufactured to look like Lanthanum Carbonate tablet

Also known as: Placebo (for Lanthanum Carbonate 500mg tablet)
Lanthanum Placebo + NicotinamideLanthanum Placebo + Nicotinamide Placebo

Sugar pill manufactured to look like Nicotinamide tablet

Also known as: Placebo (for Nicotinamide 750mg tablet)
Lanthanum + Nicotinamide PlaceboLanthanum Placebo + Nicotinamide Placebo

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy volunteers
  • Age ≥ 18 years, at the time of screening
  • Normal renal function at screening, as defined by
  • eGFR \> 60
  • no albuminuria
  • normal urinalysis
  • normotensive, defined as blood pressure \<140/85mmHg
  • no known history of CKD
  • Adequate organ and marrow function at screening as defined below:
  • HCT ≥ 30%
  • platelets ≥ 125,000/mm3
  • total bilirubin within normal institutional limits
  • AST(SGOT)/ALT(SPGT) ≤ 2.5 X institutional upper limit
  • hydroxyvitamin D ≥ 10mg/dL
  • Women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry, for the duration of study participation, and for 90 days following completion of therapy.
  • +1 more criteria

You may not qualify if:

  • History of allergic reaction to nicotinamide, niacin (excluding flushing), and/or multivitamin preparations
  • Liver disease, defined as known cirrhosis by imaging or physician diagnosis.
  • Documented alcohol use \> 14 drinks/week
  • Aspartate aminotransferase (AST), alanine aminotransferase (ALT), and/or alkaline phosphatase concentrations \> 2 times the upper limit of the local laboratory reference range and/or total bilirubin concentration not within institutional limits.
  • Creatine kinase (CK) concentrations \> 2 times the upper limit of the local laboratory reference range at screening
  • Major hemorrhagic event within the past six months from screening requiring inpatient admission.
  • Blood or platelet transfusion within the past six months from screening
  • History of primary hyperparathyroidism
  • Current, clinically significant malabsorption
  • Anemia (screening HCT \< 30%) at screening
  • Plasma albumin \< 2.5 mg/dl at screening
  • hydroxyvitamin D \<10mg/dL at screening
  • Inability or unwillingness to provide consent
  • Current or recent treatment (within the last 14 days from screening) with niacin/nicotinamide \> 100 mg/day
  • Current or recent use of MVI containing niacin/nicotinamide \> 100 mg/day
  • +2 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Center for Translational Metabolism and Health (CTMH), Northwestern University

Chicago, Illinois, 60611, United States

Location

MeSH Terms

Interventions

Niacinamidelanthanum carbonateTablets

Intervention Hierarchy (Ancestors)

Nicotinic AcidsAcids, HeterocyclicHeterocyclic CompoundsPyridinesHeterocyclic Compounds, 1-RingDosage FormsPharmaceutical Preparations

Results Point of Contact

Title
Doctor
Organization
Northwestern University Feinberg School of Medicine

Study Officials

  • Tamara Isakova, MD, MMSc

    Northwestern University

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
FACTORIAL
Model Details: Double blind, randomized, placebo-controlled, 2x2 factorial
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor Department of Medicine-Nephrology, Director of the Center for Translational Metabolism and Health

Study Record Dates

First Submitted

March 23, 2017

First Posted

May 2, 2017

Study Start

February 3, 2016

Primary Completion

December 1, 2017

Study Completion

December 1, 2017

Last Updated

February 23, 2024

Results First Posted

February 23, 2024

Record last verified: 2024-02

Data Sharing

IPD Sharing
Will not share

Available IPD Datasets

Study Protocol (STU00089165)Access
Informed Consent Form (STU00089165)Access

Locations