A Study of Niclosamide Enemas in Subjects With Active Ulcerative Proctitis or Ulcerative Proctosigmoiditis

F

First Wave BioPharma

Status and phase

Terminated
Phase 2
Phase 1

Conditions

Ulcerative Proctitis
Ulcerative Colitis
Ulcerative Proctosigmoiditis

Treatments

Drug: Niclosamide

Study type

Interventional

Funder types

Industry

Identifiers

NCT03521232
FW-UC-2017

Details and patient eligibility

About

This will be a phase I/IIa, open-label, three-stage, single center study aimed at investigating the safety, the efficacy (clinical and endoscopic effects) and the pharmacokinetics of Niclosamide enema 150 mg/60 ml and 450 mg/60 ml in subjects with mild-to-moderate UP and UPS, defined as a Modified Mayo Score (MMS) ≥ 4 and \< 8, with a stool frequency subscore (SFS) ≥ 1, a rectal bleeding sub-score (RBS) = 1 or 2, and an endoscopic subscore (mucosal appearance) = 1 or 2. At the endoscopic sub-score any degree of friability will be classified as having a sub-scale score of 2.

Enrollment

27 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Male or female subjects aged ≥ 18 years at the time of signing the informed consent;
  2. Must understand and voluntarily sign an informed consent from (ICF) prior to any study-related assessments/procedures being conducted.
  3. Must be able to adhere to the study visit schedule and other protocol requirements;
  4. Diagnosis of UP or UPS with a duration of at least 3 months prior to the Screening Visit
  5. MMS score ≥4 to < 8 (range: 0-9) prior to enrolment in the study.
  6. Availability to perform an endoscopy (colonoscopy or flexible rectosigmoidoscopy);

Exclusion criteria

  1. Diagnosis of Crohn's disease, indeterminate colitis, ischemic colitis, microscopic colitis, radiation colitis, or diverticular disease-associated colitis;
  2. UC extended more than 40 cm from the anal verge;
  3. Subjects who have had surgery as a treatment for UC or who, in the opinion of the Investigator, are likely to require surgery for UC during the study;
  4. History of any clinically significant neurological, renal, hepatic, gastrointestinal, pulmonary, metabolic, psychiatric, endocrine, hematological disorder or disease or any other medical condition that, in the Investigator's opinion, would preclude participation in the study;
  5. Any condition, including the presence of laboratory abnormalities, which places the subject at unacceptable risk if he/she was to participate in the study or confounds the ability to interpret data from the study;
  6. Pregnant or breast feeding females;
  7. Known active current or history of recurrent bacterial, viral, fungal, mycobacterial, or other infections (including but not limited to tuberculosis, atypical mycobacterial disease, and herpes zoster), human immunodeficiency virus (HIV), or any major episode of infection requiring hospitalization or treatment with intravenous (IV) or oral antibiotics within 4 weeks of screening;
  8. Subjects who have received any investigational drug or device in the last 3 months;
  9. History of alcohol, drug, or chemical abuse within the last 6 months;
  10. Known hypersensitivity to niclosamide or any excipients in the formulation.

Trial design

Primary purpose

Other

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

27 participants in 2 patient groups

150 mg/60 ml
Experimental group
Description:
Niclosamide enemas 150 mg/60 ml given twice daily for 6 weeks
Treatment:
Drug: Niclosamide
450 mg/60 ml
Experimental group
Description:
Niclosamide enemas 450 mg/60 ml given twice daily for 6 weeks
Treatment:
Drug: Niclosamide

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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