A Randomized, Multicenter, Double-Blind, Parallel-Group, Placebo-Controlled Trial of the Efficacy and Safety of Bovine Anti-Cryptosporidium Immunoglobulin (BACI) in the Treatment of Cryptosporidium Enteritis in AIDS Patients

U

Univax Biologics

Status and phase

Completed
Phase 1

Conditions

Cryptosporidiosis
HIV Infections

Treatments

Drug: Cryptosporidium Immune Whey Protein Concentrate (Bovine)

Study type

Interventional

Funder types

Industry

Identifiers

NCT00002248
081A
UNX-4101

Details and patient eligibility

About

PRIMARY: To assess the effect of bovine anti-Cryptosporidium immunoglobulin (BACI) on the volume of diarrhea due to Cryptosporidium parvum in AIDS patients who have protracted Cryptosporidium enteritis. SECONDARY: To assess changes in stool consistency and frequency, body weight, and safety in this patient population.

Full description

Forty patients are randomized to receive either BACI or placebo (bovine colostrum from non-immunized cattle) for 1 week. The double-blind portion of the study will be followed by an open-label phase in which all 40 patients receive BACI for 1 week.

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria

Concurrent Medication:

Allowed:

  • Antidiarrheal compounds (if dose remains stable).
  • Zidovudine (AZT), dideoxyinosine (ddI), dideoxycytidine (ddC), or alternative HIV therapy (provided dose was stable for at least 4 weeks prior to study entry).

Patients must have:

  • AIDS.
  • Cryptosporidium parvum enteritis.
  • Chronic diarrhea.
  • Life expectancy of at least 4 weeks.
  • Ability to tolerate food by mouth.
  • Ability to take the histamine H2-receptor antagonist famotidine (Pepcid).

Prior Medication:

Allowed:

  • Antidiarrheal compounds (provided dose has remained stable in the 7 days prior to study entry).
  • Zidovudine (AZT), dideoxyinosine (ddI), dideoxycytidine (ddC), or alternative HIV therapy (provided dose has remained stable for at least 4 weeks prior to study entry).

Exclusion Criteria

Co-existing Condition:

Patients with the following symptoms or conditions are excluded:

  • Concurrent unresolved clinical infections with enteric pathogens other than C. parvum (e.g., rotavirus, Salmonella, Shigella, Campylobacter, Giardia, C. difficile toxin, Yersinia, amebiasis, MAI, CMV, Microsporida) as determined by history or routine microbiology screening.
  • Other acute infections or concurrent immediately life-threatening medical crisis other than cryptosporidiosis.
  • Grossly bloody diarrhea.
  • Known allergy to milk or milk products (other than lactose intolerance).

Prior Medication:

Excluded:

  • Other experimental therapy (e.g., macrolide antibiotics, paromomycin) within 30 days prior to study entry.

Trial contacts and locations

6

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Data sourced from clinicaltrials.gov

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