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Study · Non-randomized trial · n = 12 · 1990

13 results

Evidence of similar increases in bone turnover during nafarelin and danazol use in women with endometriosis.

Ylikorkala O, Nilsson CG, Hirvonen E, Viinikka L

Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology1 Dec 1990Cited by 11 (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 study13

13 results from studies that gave the peptide. 13 results from people.

  1. 01HumanNon-randomized trialSafety outcome

    In women with endometriosis, nafarelin reduced estradiol to less than 21.6 pg/ml after 3 months, as did danazol.

    In plain wordsIn women with endometriosis, estradiol fell during nafarelin and danazol treatment.

    Peptide
    Nafarelin
    Outcome
    DecreaseHypoestrogenism
    Study

    n = 12

    Comparator
    Pretreatment
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    400 micrograms daily · intranasal · 3 monthsAs given in this study (human).

    Measurements

    Estradiol (E2)
    < 21.6 pg/ml
    after 3 months, nafarelin and danazol groups

    Source sentences

    Summary
    Both treatments had already led to hypoestrogenism (E2 less than 21.6 pg/ml) after 3 months.
    1 context sentence
    Summary · context
    Twelve patients with laparoscopically confirmed endometriosis received nafarelin (400 micrograms day intranasally) and six patients danazol (600 mg day orally) for 6 months.
  2. 02HumanNon-randomized trialSafety outcome

    In women with endometriosis, urinary hydroxyproline rose approximately 50% during nafarelin treatment, as during danazol treatment.

    In plain wordsIn women with endometriosis, a bone breakdown marker rose during nafarelin and danazol treatment.

    Peptide
    Nafarelin
    Outcome
    IncreaseUrinary hydroxyproline at 6 months
    Study

    n = 12

    Comparator
    Pretreatment
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    400 micrograms daily · intranasal · 6 monthsAs given in this study (human).

    Measurements

    Rise in 24-h urinary hydroxyproline output
    ≈ 50%
    6 months, nafarelin and danazol groups

    Source sentences

    Summary
    They both were accompanied by an approximately 50% rise in 24-h urinary hydroxyproline output, suggesting accelerated bone resorption at 6 months
    1 context sentence
    Summary · context
    Twelve patients with laparoscopically confirmed endometriosis received nafarelin (400 micrograms day intranasally) and six patients danazol (600 mg day orally) for 6 months.
  3. 03HumanNon-randomized trialSafety outcome

    In women with endometriosis, urinary calcium did not change significantly during nafarelin treatment.

    In plain wordsIn women with endometriosis, urinary calcium did not change significantly during nafarelin treatment.

    Peptide
    Nafarelin
    Outcome
    No significant changeUrinary calcium
    Study

    n = 12

    Comparator
    Pretreatment
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    400 micrograms daily · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    They both were accompanied by an approximately 50% rise in 24-h urinary hydroxyproline output, suggesting accelerated bone resorption at 6 months; yet urinary calcium output did not change significantly.
    1 context sentence
    Summary · context
    Twelve patients with laparoscopically confirmed endometriosis received nafarelin (400 micrograms day intranasally) and six patients danazol (600 mg day orally) for 6 months.
  4. 04HumanNon-randomized trialSafety outcome

    In women with endometriosis, serum osteocalcin rose by 80-120% during nafarelin and danazol treatment.

    In plain wordsIn women with endometriosis, a bone formation marker increased during nafarelin and danazol treatment.

    Peptide
    Nafarelin
    Outcome
    IncreaseSerum osteocalcin
    Study

    n = 12

    Comparator
    Pretreatment
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    400 micrograms daily · intranasal · 6 monthsAs given in this study (human).

    Measurements

    Rise in serum osteocalcin
    80 to 120%
    6 months, nafarelin and danazol groups

    Source sentences

    Summary
    Serum osteocalcin rose by 80-120% and bone alkaline phosphatase activity by 34-40%, suggesting stimulated bone formation at the same time.
    1 context sentence
    Summary · context
    Twelve patients with laparoscopically confirmed endometriosis received nafarelin (400 micrograms day intranasally) and six patients danazol (600 mg day orally) for 6 months.
  5. 05HumanNon-randomized trialSafety outcome

    In women with endometriosis, bone alkaline phosphatase rose by 34-40% during nafarelin and danazol treatment.

    In plain wordsIn women with endometriosis, bone alkaline phosphatase increased during nafarelin and danazol treatment.

    Peptide
    Nafarelin
    Outcome
    IncreaseBone alkaline phosphatase
    Study

    n = 12

    Comparator
    Pretreatment
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    400 micrograms daily · intranasal · 6 monthsAs given in this study (human).

    Measurements

    Rise in bone alkaline phosphatase activity
    34 to 40%
    6 months, nafarelin and danazol groups

    Source sentences

    Summary
    Serum osteocalcin rose by 80-120% and bone alkaline phosphatase activity by 34-40%, suggesting stimulated bone formation at the same time.
    1 context sentence
    Summary · context
    Twelve patients with laparoscopically confirmed endometriosis received nafarelin (400 micrograms day intranasally) and six patients danazol (600 mg day orally) for 6 months.
  6. 06HumanNon-randomized trialSafety outcome

    In women with endometriosis, distal radius cortical bone mineral content did not change detectably during nafarelin treatment.

    In plain wordsIn women with endometriosis, forearm cortical bone mineral content did not change detectably during nafarelin treatment.

    Peptide
    Nafarelin
    Outcome
    No significant changeDistal radius cortical mineral content
    Study

    n = 12

    Comparator
    Pretreatment
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    400 micrograms daily · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    No detectable changes ensued in cortical bone mineral content in the distal radius or in serum levels of calcium, calcitonin, parathyroid hormone, or aminoterminal propeptide of type III collagen.
    1 context sentence
    Summary · context
    Twelve patients with laparoscopically confirmed endometriosis received nafarelin (400 micrograms day intranasally) and six patients danazol (600 mg day orally) for 6 months.
  7. 07HumanNon-randomized trialSafety outcome

    In women with endometriosis, serum calcium did not change detectably during nafarelin treatment.

    In plain wordsIn women with endometriosis, blood calcium did not change detectably during nafarelin treatment.

    Peptide
    Nafarelin
    Outcome
    No significant changeSerum calcium
    Study

    n = 12

    Comparator
    Pretreatment
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    400 micrograms daily · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    No detectable changes ensued in cortical bone mineral content in the distal radius or in serum levels of calcium, calcitonin, parathyroid hormone, or aminoterminal propeptide of type III collagen.
    1 context sentence
    Summary · context
    Twelve patients with laparoscopically confirmed endometriosis received nafarelin (400 micrograms day intranasally) and six patients danazol (600 mg day orally) for 6 months.
  8. 08HumanNon-randomized trialSafety outcome

    In women with endometriosis, serum calcitonin did not change detectably during nafarelin treatment.

    In plain wordsIn women with endometriosis, calcitonin did not change detectably during nafarelin treatment.

    Peptide
    Nafarelin
    Outcome
    No significant changeSerum calcitonin
    Study

    n = 12

    Comparator
    Pretreatment
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    400 micrograms daily · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    No detectable changes ensued in cortical bone mineral content in the distal radius or in serum levels of calcium, calcitonin, parathyroid hormone, or aminoterminal propeptide of type III collagen.
    1 context sentence
    Summary · context
    Twelve patients with laparoscopically confirmed endometriosis received nafarelin (400 micrograms day intranasally) and six patients danazol (600 mg day orally) for 6 months.
  9. 09HumanNon-randomized trialSafety outcome

    In women with endometriosis, serum parathyroid hormone did not change detectably during nafarelin treatment.

    In plain wordsIn women with endometriosis, parathyroid hormone did not change detectably during nafarelin treatment.

    Peptide
    Nafarelin
    Outcome
    No significant changeSerum parathyroid hormone
    Study

    n = 12

    Comparator
    Pretreatment
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    400 micrograms daily · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    No detectable changes ensued in cortical bone mineral content in the distal radius or in serum levels of calcium, calcitonin, parathyroid hormone, or aminoterminal propeptide of type III collagen.
    1 context sentence
    Summary · context
    Twelve patients with laparoscopically confirmed endometriosis received nafarelin (400 micrograms day intranasally) and six patients danazol (600 mg day orally) for 6 months.
  10. 10HumanNon-randomized trialSafety outcome

    In women with endometriosis, serum aminoterminal propeptide of type III collagen did not change detectably during nafarelin treatment.

    In plain wordsIn women with endometriosis, a collagen marker did not change detectably during nafarelin treatment.

    Peptide
    Nafarelin
    Outcome
    No significant changeType III collagen propeptide
    Study

    n = 12

    Comparator
    Pretreatment
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    400 micrograms daily · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    No detectable changes ensued in cortical bone mineral content in the distal radius or in serum levels of calcium, calcitonin, parathyroid hormone, or aminoterminal propeptide of type III collagen.
    1 context sentence
    Summary · context
    Twelve patients with laparoscopically confirmed endometriosis received nafarelin (400 micrograms day intranasally) and six patients danazol (600 mg day orally) for 6 months.
  11. 11HumanNon-randomized trialSafety outcome

    In women with endometriosis, hydroxyproline output remained elevated three months after nafarelin treatment.

    In plain wordsIn women with endometriosis, a bone breakdown marker remained elevated three months after nafarelin treatment.

    Peptide
    Nafarelin
    Outcome
    IncreaseHydroxyproline after withdrawal
    Study

    n = 12

    Comparator
    Pretreatment
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    400 micrograms daily · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    Three months after treatment, hydroxyproline output, serum osteocalcin and bone alkaline phosphatase were still elevated in women taking nafarelin, whereas only serum osteocalcin was elevated in women taking danazol.
    1 context sentence
    Summary · context
    Twelve patients with laparoscopically confirmed endometriosis received nafarelin (400 micrograms day intranasally) and six patients danazol (600 mg day orally) for 6 months.
  12. 12HumanNon-randomized trialSafety outcome

    In women with endometriosis, serum osteocalcin remained elevated three months after nafarelin treatment.

    In plain wordsIn women with endometriosis, osteocalcin remained elevated three months after nafarelin treatment.

    Peptide
    Nafarelin
    Outcome
    IncreaseOsteocalcin after withdrawal
    Study

    n = 12

    Comparator
    Pretreatment
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    400 micrograms daily · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    Three months after treatment, hydroxyproline output, serum osteocalcin and bone alkaline phosphatase were still elevated in women taking nafarelin, whereas only serum osteocalcin was elevated in women taking danazol.
    1 context sentence
    Summary · context
    Twelve patients with laparoscopically confirmed endometriosis received nafarelin (400 micrograms day intranasally) and six patients danazol (600 mg day orally) for 6 months.
  13. 13HumanNon-randomized trialSafety outcome

    In women with endometriosis, bone alkaline phosphatase remained elevated three months after nafarelin treatment.

    In plain wordsIn women with endometriosis, bone alkaline phosphatase remained elevated three months after nafarelin treatment.

    Peptide
    Nafarelin
    Outcome
    IncreaseBone alkaline phosphatase after withdrawal
    Study

    n = 12

    Comparator
    Pretreatment
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    400 micrograms daily · intranasal · 6 monthsAs given in this study (human).

    Source sentences

    Summary
    Three months after treatment, hydroxyproline output, serum osteocalcin and bone alkaline phosphatase were still elevated in women taking nafarelin, whereas only serum osteocalcin was elevated in women taking danazol.
    1 context sentence
    Summary · context
    Twelve patients with laparoscopically confirmed endometriosis received nafarelin (400 micrograms day intranasally) and six patients danazol (600 mg day orally) for 6 months.

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

    28 Oct 2026, 02:03 UTC

    Study results updated

  2. Version 1

    27 Oct 2026, 16:36 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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