Skip to content

Study · Animal study (in vivo) · rat · 1988

11 results

Human parathyroid hormone-(1-34) increases bone mass in ovariectomized and orchidectomized rats.

Hock JM, Gera I, Fonseca J, Raisz LG

Endocrinology1 Jun 1988Cited by 154 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study11

11 results from studies that gave the peptide. No result from this study comes from people.

  1. 01AnimalAnimal study (in vivo)Efficacy outcome

    In sham-operated female rats, PTH increased total bone calcium per body weight by 16% versus controls.

    In plain wordsIn sham-operated female rats, PTH increased bone calcium relative to body weight versus controls.

    Outcome
    IncreaseBone calcium in sham-operated females
    Study

    ratn: not reported in source

    sham-operated or gonadectomized rats
    Comparator
    corresponding vehicle control
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    8 micrograms/100 g daily · subcutaneous · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    In PTH-treated females, total bone Ca and DW per 100 g BW increased significantly by 16% and 21%, respectively, in sham-operated rats and by 21% and 25%, respectively, in OVX rats compared to the appropriate control values.
    2 context sentences
    Summary · context
    Two weeks after ovariectomy, orchidectomy, or sham operations, 5-week-old rats (eight per group) were given daily sc injections of human PTH (1-34) (8 micrograms/100 g) or vehicle.
    Summary · context
    After 12 days of treatment, all rats were killed; castration was confirmed, and sera, femurs, tibias, and kidneys were collected.
  2. 02AnimalAnimal study (in vivo)Efficacy outcome

    In sham-operated female rats, PTH increased bone dry weight per body weight by 21% versus controls.

    In plain wordsIn sham-operated female rats, PTH increased bone dry weight relative to body weight versus controls.

    Outcome
    IncreaseBone dry weight in sham-operated females
    Study

    ratn: not reported in source

    sham-operated or gonadectomized rats
    Comparator
    corresponding vehicle control
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    8 micrograms/100 g daily · subcutaneous · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    In PTH-treated females, total bone Ca and DW per 100 g BW increased significantly by 16% and 21%, respectively, in sham-operated rats and by 21% and 25%, respectively, in OVX rats compared to the appropriate control values.
    2 context sentences
    Summary · context
    Two weeks after ovariectomy, orchidectomy, or sham operations, 5-week-old rats (eight per group) were given daily sc injections of human PTH (1-34) (8 micrograms/100 g) or vehicle.
    Summary · context
    After 12 days of treatment, all rats were killed; castration was confirmed, and sera, femurs, tibias, and kidneys were collected.
  3. 03AnimalAnimal study (in vivo)Efficacy outcome

    In ovariectomized female rats, PTH increased total bone calcium per body weight by 21% versus controls.

    In plain wordsIn ovariectomized female rats, PTH increased bone calcium relative to body weight versus controls.

    Outcome
    IncreaseBone calcium in ovariectomized females
    Study

    ratn: not reported in source

    sham-operated or gonadectomized rats
    Comparator
    corresponding vehicle control
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    8 micrograms/100 g daily · subcutaneous · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    In PTH-treated females, total bone Ca and DW per 100 g BW increased significantly by 16% and 21%, respectively, in sham-operated rats and by 21% and 25%, respectively, in OVX rats compared to the appropriate control values.
    2 context sentences
    Summary · context
    Two weeks after ovariectomy, orchidectomy, or sham operations, 5-week-old rats (eight per group) were given daily sc injections of human PTH (1-34) (8 micrograms/100 g) or vehicle.
    Summary · context
    After 12 days of treatment, all rats were killed; castration was confirmed, and sera, femurs, tibias, and kidneys were collected.
  4. 04AnimalAnimal study (in vivo)Efficacy outcome

    In ovariectomized female rats, PTH increased bone dry weight per body weight by 25% versus controls.

    In plain wordsIn ovariectomized female rats, PTH increased bone dry weight relative to body weight versus controls.

    Outcome
    IncreaseBone dry weight in ovariectomized females
    Study

    ratn: not reported in source

    sham-operated or gonadectomized rats
    Comparator
    corresponding vehicle control
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    8 micrograms/100 g daily · subcutaneous · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    In PTH-treated females, total bone Ca and DW per 100 g BW increased significantly by 16% and 21%, respectively, in sham-operated rats and by 21% and 25%, respectively, in OVX rats compared to the appropriate control values.
    2 context sentences
    Summary · context
    Two weeks after ovariectomy, orchidectomy, or sham operations, 5-week-old rats (eight per group) were given daily sc injections of human PTH (1-34) (8 micrograms/100 g) or vehicle.
    Summary · context
    After 12 days of treatment, all rats were killed; castration was confirmed, and sera, femurs, tibias, and kidneys were collected.
  5. 05AnimalAnimal study (in vivo)Efficacy outcome

    In sham-operated male rats, PTH increased total bone calcium per body weight by 34% versus controls.

    In plain wordsIn sham-operated male rats, PTH increased bone calcium relative to body weight versus controls.

    Outcome
    IncreaseBone calcium in sham-operated males
    Study

    ratn: not reported in source

    sham-operated or gonadectomized rats
    Comparator
    corresponding vehicle control
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    8 micrograms/100 g daily · subcutaneous · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    In PTH-treated males, total bone Ca and DW per 100 g BW increased significantly by 34% and 25%, respectively, in sham-operated rats by 32% and 29%, respectively, in ORCHX rats compared to their appropriate control values.
    2 context sentences
    Summary · context
    Two weeks after ovariectomy, orchidectomy, or sham operations, 5-week-old rats (eight per group) were given daily sc injections of human PTH (1-34) (8 micrograms/100 g) or vehicle.
    Summary · context
    After 12 days of treatment, all rats were killed; castration was confirmed, and sera, femurs, tibias, and kidneys were collected.
  6. 06AnimalAnimal study (in vivo)Efficacy outcome

    In sham-operated male rats, PTH increased bone dry weight per body weight by 25% versus controls.

    In plain wordsIn sham-operated male rats, PTH increased bone dry weight relative to body weight versus controls.

    Outcome
    IncreaseBone dry weight in sham-operated males
    Study

    ratn: not reported in source

    sham-operated or gonadectomized rats
    Comparator
    corresponding vehicle control
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    8 micrograms/100 g daily · subcutaneous · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    In PTH-treated males, total bone Ca and DW per 100 g BW increased significantly by 34% and 25%, respectively, in sham-operated rats by 32% and 29%, respectively, in ORCHX rats compared to their appropriate control values.
    2 context sentences
    Summary · context
    Two weeks after ovariectomy, orchidectomy, or sham operations, 5-week-old rats (eight per group) were given daily sc injections of human PTH (1-34) (8 micrograms/100 g) or vehicle.
    Summary · context
    After 12 days of treatment, all rats were killed; castration was confirmed, and sera, femurs, tibias, and kidneys were collected.
  7. 07AnimalAnimal study (in vivo)Efficacy outcome

    In orchidectomized male rats, PTH increased total bone calcium per body weight by 32% versus controls.

    In plain wordsIn orchidectomized male rats, PTH increased bone calcium relative to body weight versus controls.

    Outcome
    IncreaseBone calcium in orchidectomized males
    Study

    ratn: not reported in source

    sham-operated or gonadectomized rats
    Comparator
    corresponding vehicle control
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    8 micrograms/100 g daily · subcutaneous · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    In PTH-treated males, total bone Ca and DW per 100 g BW increased significantly by 34% and 25%, respectively, in sham-operated rats by 32% and 29%, respectively, in ORCHX rats compared to their appropriate control values.
    2 context sentences
    Summary · context
    Two weeks after ovariectomy, orchidectomy, or sham operations, 5-week-old rats (eight per group) were given daily sc injections of human PTH (1-34) (8 micrograms/100 g) or vehicle.
    Summary · context
    After 12 days of treatment, all rats were killed; castration was confirmed, and sera, femurs, tibias, and kidneys were collected.
  8. 08AnimalAnimal study (in vivo)Efficacy outcome

    In orchidectomized male rats, PTH increased bone dry weight per body weight by 29% versus controls.

    In plain wordsIn orchidectomized male rats, PTH increased bone dry weight relative to body weight versus controls.

    Outcome
    IncreaseBone dry weight in orchidectomized males
    Study

    ratn: not reported in source

    sham-operated or gonadectomized rats
    Comparator
    corresponding vehicle control
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    8 micrograms/100 g daily · subcutaneous · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    In PTH-treated males, total bone Ca and DW per 100 g BW increased significantly by 34% and 25%, respectively, in sham-operated rats by 32% and 29%, respectively, in ORCHX rats compared to their appropriate control values.
    2 context sentences
    Summary · context
    Two weeks after ovariectomy, orchidectomy, or sham operations, 5-week-old rats (eight per group) were given daily sc injections of human PTH (1-34) (8 micrograms/100 g) or vehicle.
    Summary · context
    After 12 days of treatment, all rats were killed; castration was confirmed, and sera, femurs, tibias, and kidneys were collected.
  9. 09AnimalAnimal study (in vivo)Safety outcome

    In rats, serum calcium was normal and comparable across all groups, including PTH groups.

    In plain wordsIn rats, serum calcium was normal and similar across PTH and control groups.

    Outcome
    No significant changeSerum calcium
    Study

    ratn: not reported in source

    sham-operated or gonadectomized rats
    Comparator
    corresponding vehicle control
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    8 micrograms/100 g daily · subcutaneous · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    Serum Ca, creatinine, and alkaline phosphatase levels were normal and comparable in all rats.
    2 context sentences
    Summary · context
    Two weeks after ovariectomy, orchidectomy, or sham operations, 5-week-old rats (eight per group) were given daily sc injections of human PTH (1-34) (8 micrograms/100 g) or vehicle.
    Summary · context
    After 12 days of treatment, all rats were killed; castration was confirmed, and sera, femurs, tibias, and kidneys were collected.
  10. 10AnimalAnimal study (in vivo)Safety outcome

    In rats, serum creatinine was normal and comparable across all groups, including PTH groups.

    In plain wordsIn rats, serum creatinine was normal and similar across PTH and control groups.

    Outcome
    No significant changeSerum creatinine
    Study

    ratn: not reported in source

    sham-operated or gonadectomized rats
    Comparator
    corresponding vehicle control
    Outcome group
    Kidney function · Kidney and urinary
    Studied dose
    8 micrograms/100 g daily · subcutaneous · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    Serum Ca, creatinine, and alkaline phosphatase levels were normal and comparable in all rats.
    2 context sentences
    Summary · context
    Two weeks after ovariectomy, orchidectomy, or sham operations, 5-week-old rats (eight per group) were given daily sc injections of human PTH (1-34) (8 micrograms/100 g) or vehicle.
    Summary · context
    After 12 days of treatment, all rats were killed; castration was confirmed, and sera, femurs, tibias, and kidneys were collected.
  11. 11AnimalAnimal study (in vivo)Efficacy outcome

    In rats, serum alkaline phosphatase was normal and comparable across all groups, including PTH groups.

    In plain wordsIn rats, serum alkaline phosphatase was normal and similar across PTH and control groups.

    Outcome
    No significant changeSerum alkaline phosphatase
    Study

    ratn: not reported in source

    sham-operated or gonadectomized rats
    Comparator
    corresponding vehicle control
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    8 micrograms/100 g daily · subcutaneous · 12 daysAs given in this study (rat).

    Source sentences

    Summary
    Serum Ca, creatinine, and alkaline phosphatase levels were normal and comparable in all rats.
    2 context sentences
    Summary · context
    Two weeks after ovariectomy, orchidectomy, or sham operations, 5-week-old rats (eight per group) were given daily sc injections of human PTH (1-34) (8 micrograms/100 g) or vehicle.
    Summary · context
    After 12 days of treatment, all rats were killed; castration was confirmed, and sera, femurs, tibias, and kidneys were collected.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    22 Oct 2026, 02:26 UTC

    Study results updated

  2. Version 1

    21 Oct 2026, 18:59 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

PepBank is a research reference. Talk to a doctor before you use any peptide.