PK and PD Study of NPI-001 and Cysteamine Bitartrate (INCA)

Nacuity Pharmaceuticals

Status and phase: Enrolling; Phase 2; Phase 1

Conditions: Cystinosis

Treatments: Drug: N-Acetylcysteine Amide; Drug: Cysteamine Bitartrate

Study type: Interventional

Funder types: Industry

Identifiers

NCT05994534

C-23-01

Details and patient eligibility

About

Safety, pharmacokinetics, and pharmacodynamics of NPI-001 oral solution in cystinosis patients compared with cysteamine.

Full description

This study will examine the safety, pharmacokinetics, and pharmacodynamics of NPI-001 oral solution in cystinosis patients, aged ≥ 10 years. The ability of NPI-001 to reduce cystine will be assessed and compared with cysteamine.

Enrollment: 12 estimated patients

Sex: All

Ages: 10+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1. Males or females, any race, ≥ 10 years of age.
2. Diagnosis of nephropathic cystinosis and able to cease cysteamine therapy for 2 days.
3. Females will be nonpregnant and nonlactating, and females of childbearing potential and males will agree to use contraception as detailed in the protocol.
4. Able to comprehend and willing to sign an informed consent /assent form and to abide by the study restrictions (travel as necessary, clinical phase 1 unit or similar for up to 3 days).

Exclusion criteria

1. Have undergone kidney transplantation.
2. Are receiving dialysis treatment.
3. History of significant hypersensitivity to NAC or any ingredient of NPI-001 oral solution.
4. Participation in a clinical study involving administration of an investigational drug (new chemical entity) in the 30 days prior to Day 1.
5. Inability to provide blood samples, including difficulty with venous access.
6. Subjects who, in the opinion of the Investigator and/or Sponsor (or designee), should not participate in this study.

Trial design

Primary purpose: Treatment

Allocation: Non-Randomized

Interventional model: Crossover Assignment

Masking: None (Open label)

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12 participants in 2 patient groups

cysteamine

Active Comparator group

Description:

Single dose, tablets in current treatment dose

Treatment:

Drug: Cysteamine Bitartrate

NPI-001

Experimental group

Description:

Single dose, NPI-001 (N-acetylcysteine amide) oral solution at molar equivalent of current cysteamine dose.

Treatment:

Drug: N-Acetylcysteine Amide